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KEV Detail

kev_detail
Read-onlyIdempotent

Look up CISA KEV (Known Exploited Vulnerabilities) full record for a CVE. Returns federal patch deadline (due_date), CISA-specified required_action remediation, known ransomware association, vendor/product, the CISA-given common name (e.g. 'Log4Shell'), CISA-reported CWE list, plus lifecycle metadata: date_updated (when CISA last revised the entry), date_removed (set when CISA removed the CVE from the catalog — null while still active), and updated_at (our DB sync freshness). Returns 404 when the CVE is not in the KEV catalog — use cve_lookup for non-KEV CVEs. Best follow-up after cve_lookup or cve_search(kev=true) when an in_kev=true CVE is identified; chain with cwe_lookup on each returned CWE to investigate the weakness category. Free: 30/hr, Pro: 500/hr. Returns {cve_id, vendor_project, product, vulnerability_name, date_added, due_date, required_action, known_ransomware_use, notes, cwes, date_updated, date_removed, updated_at, verdict, next_calls}.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
cve_idYesCVE identifier in format CVE-YYYY-NNNNN (e.g. 'CVE-2021-44228', 'CVE-2024-3094')

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed13 schema fields changed
    • changedOutput schema / properties / result / properties / date_added / type
      Previous value: -"string"New value: +[
      +  "string",
      +  "null"
      +]
    • changedOutput schema / properties / result / properties / date_removed / type
      Previous value: -"string"New value: +[
      +  "string",
      +  "null"
      +]
    • changedOutput schema / properties / result / properties / date_updated / type
      Previous value: -"string"New value: +[
      +  "string",
      +  "null"
      +]
    • changedOutput schema / properties / result / properties / due_date / type
      Previous value: -"string"New value: +[
      +  "string",
      +  "null"
      +]
    • changedOutput schema / properties / result / properties / next_calls / type
      Previous value: -"array"New value: +[
      +  "array",
      +  "null"
      +]
    • changedOutput schema / properties / result / properties / notes / type
      Previous value: -"string"New value: +[
      +  "string",
      +  "null"
      +]
    • changedOutput schema / properties / result / properties / product / type
      Previous value: -"string"New value: +[
      +  "string",
      +  "null"
      +]
    • changedOutput schema / properties / result / properties / required_action / type
      Previous value: -"string"New value: +[
      +  "string",
      +  "null"
      +]
    • changedOutput schema / properties / result / properties / short_description / type
      Previous value: -"string"New value: +[
      +  "string",
      +  "null"
      +]
    • changedOutput schema / properties / result / properties / updated_at / type
      Previous value: -"string"New value: +[
      +  "string",
      +  "null"
      +]
    • changedOutput schema / properties / result / properties / vendor_project / type
      Previous value: -"string"New value: +[
      +  "string",
      +  "null"
      +]
    • changedOutput schema / properties / result / properties / verdict / type
      Previous value: -"object"New value: +[
      +  "object",
      +  "null"
      +]
    • changedOutput schema / properties / result / properties / vulnerability_name / type
      Previous value: -"string"New value: +[
      +  "string",
      +  "null"
      +]
  2. Changed12 schema fields changed
    • changedOutput schema / properties / result / properties / date_added / type
      Previous value: -"object"New value: +"string"
    • changedOutput schema / properties / result / properties / date_removed / type
      Previous value: -"object"New value: +"string"
    • changedOutput schema / properties / result / properties / date_updated / type
      Previous value: -"object"New value: +"string"
    • changedOutput schema / properties / result / properties / due_date / type
      Previous value: -"object"New value: +"string"
    • changedOutput schema / properties / result / properties / next_calls / type
      Previous value: -"object"New value: +"array"
    • changedOutput schema / properties / result / properties / notes / type
      Previous value: -"object"New value: +"string"
    • changedOutput schema / properties / result / properties / product / type
      Previous value: -"object"New value: +"string"
    • changedOutput schema / properties / result / properties / required_action / type
      Previous value: -"object"New value: +"string"
    • changedOutput schema / properties / result / properties / short_description / type
      Previous value: -"object"New value: +"string"
    • changedOutput schema / properties / result / properties / updated_at / type
      Previous value: -"object"New value: +"string"
    • changedOutput schema / properties / result / properties / vendor_project / type
      Previous value: -"object"New value: +"string"
    • changedOutput schema / properties / result / properties / vulnerability_name / type
      Previous value: -"object"New value: +"string"
  3. Changed1 schema field changed
    • changedOutput schema / (root)
      Previous value: -nullNew value: +{
      +  "properties": {
      +    "result": {
      +      "properties": {
      +        "cve_id": {
      +          "type": "string"
      +        },
      +        "cwes": {
      +          "type": "array"
      +        },
      +        "date_added": {
      +          "type": "object"
      +        },
      +        "date_removed": {
      +          "type": "object"
      +        },
      +        "date_updated": {
      +          "type": "object"
      +        },
      +        "due_date": {
      +          "type": "object"
      +        },
      +        "in_kev": {
      +          "type": "boolean"
      +        },
      +        "known_ransomware_use": {
      +          "type": "boolean"
      +        },
      +        "next_calls": {
      +          "type": "object"
      +        },
      +        "notes": {
      +          "type": "object"
      +        },
      +        "product": {
      +          "type": "object"
      +        },
      +        "required_action": {
      +          "type": "object"
      +        },
      +        "short_description": {
      +          "type": "object"
      +        },
      +        "updated_at": {
      +          "type": "object"
      +        },
      +        "vendor_project": {
      +          "type": "object"
      +        },
      +        "verdict": {
      +          "type": "object"
      +        },
      +        "vulnerability_name": {
      +          "type": "object"
      +        }
      +      },
      +      "required": [
      +        "cve_id"
      +      ],
      +      "type": "object"
      +    }
      +  },
      +  "required": [
      +    "result"
      +  ],
      +  "type": "object"
      +}
  4. Changed1 schema field changed
    • changedOutput schema / (root)
      Previous value: -{
      -  "$defs": {
      -    "ErrorDetail": {
      -      "properties": {
      -        "code": {
      -          "enum": [
      -            "invalid_argument",
      -            "not_found",
      -            "rate_limit_exceeded",
      -            "auth_required",
      -            "tier_limit",
      -            "upstream_timeout",
      -            "upstream_error",
      -            "internal_error"
      -          ],
      -          "type": "string"
      -        },
      -        "docs_url": {
      -          "anyOf": [
      -            {
      -              "type": "string"
      -            },
      -            {
      -              "type": "null"
      -            }
      -          ]
      -        },
      -        "message": {
      -          "maxLength": 500,
      -          "type": "string"
      -        },
      -        "retry_after_seconds": {
      -          "anyOf": [
      -            {
      -              "type": "integer"
      -            },
      -            {
      -              "type": "null"
      -            }
      -          ]
      -        },
      -        "upgrade_url": {
      -          "anyOf": [
      -            {
      -              "type": "string"
      -            },
      -            {
      -              "type": "null"
      -            }
      -          ]
      -        }
      -      },
      -      "required": [
      -        "code",
      -        "message"
      -      ],
      -      "type": "object"
      -    },
      -    "ErrorResponse": {
      -      "properties": {
      -        "error": {
      -          "$ref": "#/$defs/ErrorDetail"
      -        }
      -      },
      -      "required": [
      -        "error"
      -      ],
      -      "type": "object"
      -    },
      -    "KevDetailResponse": {
      -      "additionalProperties": true,
      -      "properties": {
      -        "cve_id": {
      -          "type": "string"
      -        },
      -        "cwes": {
      -          "items": {
      -            "type": "string"
      -          },
      -          "maxItems": 100,
      -          "type": "array"
      -        },
      -        "date_added": {
      -          "anyOf": [
      -            {
      -              "type": "string"
      -            },
      -            {
      -              "type": "null"
      -            }
      -          ]
      -        },
      -        "date_removed": {
      -          "anyOf": [
      -            {
      -              "type": "string"
      -            },
      -            {
      -              "type": "null"
      -            }
      -          ]
      -        },
      -        "date_updated": {
      -          "anyOf": [
      -            {
      -              "type": "string"
      -            },
      -            {
      -              "type": "null"
      -            }
      -          ]
      -        },
      -        "due_date": {
      -          "anyOf": [
      -            {
      -              "type": "string"
      -            },
      -            {
      -              "type": "null"
      -            }
      -          ]
      -        },
      -        "in_kev": {
      -          "type": "boolean"
      -        },
      -        "known_ransomware_use": {
      -          "type": "boolean"
      -        },
      -        "next_calls": {
      -          "anyOf": [
      -            {
      -              "items": {
      -                "$ref": "#/$defs/PivotHint"
      -              },
      -              "type": "array"
      -            },
      -            {
      -              "type": "null"
      -            }
      -          ]
      -        },
      -        "notes": {
      -          "anyOf": [
      -            {
      -              "type": "string"
      -            },
      -            {
      -              "type": "null"
      -            }
      -          ]
      -        },
      -        "product": {
      -          "anyOf": [
      -            {
      -              "type": "string"
      -            },
      -            {
      -              "type": "null"
      -            }
      -          ]
      -        },
      -        "required_action": {
      -          "anyOf": [
      -            {
      -              "type": "string"
      -            },
      -            {
      -              "type": "null"
      -            }
      -          ]
      -        },
      -        "short_description": {
      -          "anyOf": [
      -            {
      -              "type": "string"
      -            },
      -            {
      -              "type": "null"
      -            }
      -          ]
      -        },
      -        "updated_at": {
      -          "anyOf": [
      -            {
      -              "type": "string"
      -            },
      -            {
      -              "type": "null"
      -            }
      -          ]
      -        },
      -        "vendor_project": {
      -          "anyOf": [
      -            {
      -              "type": "string"
      -            },
      -            {
      -              "type": "null"
      -            }
      -          ]
      -        },
      -        "verdict": {
      -          "anyOf": [
      -            {
      -              "$ref": "#/$defs/Verdict"
      -            },
      -            {
      -              "type": "null"
      -            }
      -          ]
      -        },
      -        "vulnerability_name": {
      -          "anyOf": [
      -            {
      -              "type": "string"
      -            },
      -            {
      -              "type": "null"
      -            }
      -          ]
      -        }
      -      },
      -      "required": [
      -        "cve_id"
      -      ],
      -      "type": "object"
      -    },
      -    "PivotHint": {
      -      "additionalProperties": true,
      -      "properties": {
      -        "input": {
      -          "type": "string"
      -        },
      -        "params": {
      -          "anyOf": [
      -            {
      -              "additionalProperties": {
      -                "type": "string"
      -              },
      -              "type": "object"
      -            },
      -            {
      -              "type": "null"
      -            }
      -          ]
      -        },
      -        "reason": {
      -          "type": "string"
      -        },
      -        "tool": {
      -          "enum": [
      -            "cve_lookup",
      -            "cve_search",
      -            "cve_leading",
      -            "bulk_cve_lookup",
      -            "calculate_risk_score",
      -            "get_cvss_details",
      -            "exploit_lookup",
      -            "kev_detail",
      -            "cwe_lookup",
      -            "subdomain_enum",
      -            "ssl_check",
      -            "tech_fingerprint",
      -            "asn_lookup",
      -            "ip_lookup",
      -            "ioc_lookup",
      -            "bulk_ioc_lookup",
      -            "hash_lookup",
      -            "threat_intel",
      -            "threat_report",
      -            "audit_domain",
      -            "domain_report",
      -            "dns_lookup",
      -            "whois_lookup",
      -            "wayback_lookup",
      -            "scan_headers",
      -            "check_headers",
      -            "check_secrets",
      -            "check_injection",
      -            "check_dependencies",
      -            "email_mx",
      -            "email_security_posture",
      -            "email_disposable",
      -            "email_verify",
      -            "robots_txt",
      -            "redirect_chain",
      -            "brand_assets",
      -            "seo_audit",
      -            "phone_lookup",
      -            "username_lookup",
      -            "password_check",
      -            "phishing_check",
      -            "atlas_technique_lookup",
      -            "atlas_technique_search",
      -            "bulk_atlas_technique_lookup",
      -            "atlas_case_study_lookup",
      -            "atlas_case_study_search",
      -            "d3fend_defense_lookup",
      -            "d3fend_defense_search",
      -            "d3fend_defense_for_attack",
      -            "d3fend_attack_coverage",
      -            "sigma_rule_lookup",
      -            "bulk_sigma_rule_lookup",
      -            "tech_stack_cve_audit"
      -          ],
      -          "type": "string"
      -        }
      -      },
      -      "required": [
      -        "tool",
      -        "input",
      -        "reason"
      -      ],
      -      "type": "object"
      -    },
      -    "Verdict": {
      -      "properties": {
      -        "completeness": {
      -          "enum": [
      -            "complete",
      -            "partial",
      -            "minimal"
      -          ],
      -          "type": "string"
      -        },
      -        "data_age_seconds": {
      -          "anyOf": [
      -            {
      -              "type": "integer"
      -            },
      -            {
      -              "type": "null"
      -            }
      -          ]
      -        },
      -        "deterministic": {
      -          "type": "boolean"
      -        },
      -        "falsifiable_fields": {
      -          "items": {
      -            "type": "string"
      -          },
      -          "type": "array"
      -        },
      -        "sources_queried": {
      -          "items": {
      -            "type": "string"
      -          },
      -          "type": "array"
      -        },
      -        "sources_unavailable": {
      -          "items": {
      -            "type": "string"
      -          },
      -          "type": "array"
      -        }
      -      },
      -      "required": [
      -        "deterministic"
      -      ],
      -      "type": "object"
      -    }
      -  },
      -  "properties": {
      -    "result": {
      -      "anyOf": [
      -        {
      -          "$ref": "#/$defs/KevDetailResponse"
      -        },
      -        {
      -          "$ref": "#/$defs/ErrorResponse"
      -        }
      -      ]
      -    }
      -  },
      -  "required": [
      -    "result"
      -  ],
      -  "type": "object"
      -}New value: +null
  5. Changed95 schema fields changed
    • removedOutput schema / $defs / ErrorDetail / description
      Removed value: -"Structured failure body. Codes mirror app/exceptions.AppException\nsubclasses; agent retry / upgrade decisions key off `code`, not `message`."
    • removedOutput schema / $defs / ErrorDetail / properties / code / description
      Removed value: -"Stable machine-readable failure category. Agents key retry/upgrade decisions off this."
    • removedOutput schema / $defs / ErrorDetail / properties / code / title
      Removed value: -"Code"
    • removedOutput schema / $defs / ErrorDetail / properties / docs_url / default
      Removed value: -null
    • removedOutput schema / $defs / ErrorDetail / properties / docs_url / description
      Removed value: -"Documentation pointer (e.g. tool input contract) when code='invalid_argument'."
    • removedOutput schema / $defs / ErrorDetail / properties / docs_url / title
      Removed value: -"Docs Url"
    • removedOutput schema / $defs / ErrorDetail / properties / message / description
      Removed value: -"Human-readable detail. Free text — never parse. Capped at 500 chars to prevent oversized upstream errors from bloating responses."
    • removedOutput schema / $defs / ErrorDetail / properties / message / title
      Removed value: -"Message"
    • removedOutput schema / $defs / ErrorDetail / properties / retry_after_seconds / default
      Removed value: -null
    • removedOutput schema / $defs / ErrorDetail / properties / retry_after_seconds / description
      Removed value: -"When code='rate_limit_exceeded', the minimum seconds to wait before retrying."
    • removedOutput schema / $defs / ErrorDetail / properties / retry_after_seconds / title
      Removed value: -"Retry After Seconds"
    • removedOutput schema / $defs / ErrorDetail / properties / upgrade_url / default
      Removed value: -null
    • removedOutput schema / $defs / ErrorDetail / properties / upgrade_url / description
      Removed value: -"Pricing/upgrade URL when code='tier_limit' or 'rate_limit_exceeded' on the Free tier."
    • removedOutput schema / $defs / ErrorDetail / properties / upgrade_url / title
      Removed value: -"Upgrade Url"
    • removedOutput schema / $defs / ErrorDetail / title
      Removed value: -"ErrorDetail"
    • removedOutput schema / $defs / ErrorResponse / description
      Removed value: -"MCP error envelope. Tool return type is always\n`SpecificResponse | ErrorResponse` — Union flag tells the agent which arm\narrived without parsing the inner body."
    • removedOutput schema / $defs / ErrorResponse / title
      Removed value: -"ErrorResponse"
    • removedOutput schema / $defs / KevDetailResponse / description
      Removed value: -"Full CISA KEV catalog record for a single CVE.\n\nText fields (required_action, notes, vulnerability_name, short_description) are\nsourced verbatim from CISA's official feed and JSON-encoded — safe for\nJSON consumers, but downstream callers that render into HTML must apply their\nown escaping.\n\n`extra=\"allow\"` is set for forward-compat (Tier 2 audit pattern, Session 171).\nOnly PivotHint objects in `next_calls` and CISA-sourced DB columns appear in extras."
    • removedOutput schema / $defs / KevDetailResponse / properties / cve_id / description
      Removed value: -"Canonical CVE identifier, e.g. 'CVE-2021-44228'."
    • removedOutput schema / $defs / KevDetailResponse / properties / cve_id / title
      Removed value: -"Cve Id"
    • removedOutput schema / $defs / KevDetailResponse / properties / cwes / description
      Removed value: -"CWE identifiers CISA reports for this CVE. May differ from the NVD-assigned CWE. Call cwe_lookup with each entry to fetch weakness category, mitigations, and parent/child chain."
    • removedOutput schema / $defs / KevDetailResponse / properties / cwes / title
      Removed value: -"Cwes"
    • removedOutput schema / $defs / KevDetailResponse / properties / date_added / default
      Removed value: -null
    • removedOutput schema / $defs / KevDetailResponse / properties / date_added / description
      Removed value: -"ISO 8601 date CISA added this CVE to the Known Exploited Vulnerabilities catalog."
    • removedOutput schema / $defs / KevDetailResponse / properties / date_added / title
      Removed value: -"Date Added"
    • removedOutput schema / $defs / KevDetailResponse / properties / date_removed / default
      Removed value: -null
    • removedOutput schema / $defs / KevDetailResponse / properties / date_removed / description
      Removed value: -"ISO 8601 timestamp when CISA removed this CVE from the KEV catalog. Null while still active."
    • removedOutput schema / $defs / KevDetailResponse / properties / date_removed / title
      Removed value: -"Date Removed"
    • removedOutput schema / $defs / KevDetailResponse / properties / date_updated / default
      Removed value: -null
    • removedOutput schema / $defs / KevDetailResponse / properties / date_updated / description
      Removed value: -"ISO 8601 timestamp from KEV catalog 'dateUpdated' field — when CISA last revised this entry's metadata."
    • removedOutput schema / $defs / KevDetailResponse / properties / date_updated / title
      Removed value: -"Date Updated"
    • removedOutput schema / $defs / KevDetailResponse / properties / due_date / default
      Removed value: -null
    • removedOutput schema / $defs / KevDetailResponse / properties / due_date / description
      Removed value: -"Federal patch deadline (ISO 8601). Null for older entries from before CISA enforced remediation due dates (BOD 22-01, Nov 2021)."
    • removedOutput schema / $defs / KevDetailResponse / properties / due_date / title
      Removed value: -"Due Date"
    • removedOutput schema / $defs / KevDetailResponse / properties / in_kev / default
      Removed value: -true
    • removedOutput schema / $defs / KevDetailResponse / properties / in_kev / description
      Removed value: -"Always True for this endpoint — 404 is returned when the CVE is not in the KEV catalog."
    • removedOutput schema / $defs / KevDetailResponse / properties / in_kev / title
      Removed value: -"In Kev"
    • removedOutput schema / $defs / KevDetailResponse / properties / known_ransomware_use / default
      Removed value: -false
    • removedOutput schema / $defs / KevDetailResponse / properties / known_ransomware_use / description
      Removed value: -"True when CISA has linked this CVE to a known ransomware campaign. Derived from CISA's 'knownRansomwareCampaignUse=Known' field."
    • removedOutput schema / $defs / KevDetailResponse / properties / known_ransomware_use / title
      Removed value: -"Known Ransomware Use"
    • removedOutput schema / $defs / KevDetailResponse / properties / next_calls / default
      Removed value: -null
    • removedOutput schema / $defs / KevDetailResponse / properties / next_calls / description
      Removed value: -"Suggested follow-up MCP tool calls. Ordered by relevance; agents should chain these without re-prompting the user."
    • removedOutput schema / $defs / KevDetailResponse / properties / next_calls / title
      Removed value: -"Next Calls"
    • removedOutput schema / $defs / KevDetailResponse / properties / notes / default
      Removed value: -null
    • removedOutput schema / $defs / KevDetailResponse / properties / notes / description
      Removed value: -"Reference URLs published by CISA, separated by '; '."
    • removedOutput schema / $defs / KevDetailResponse / properties / notes / title
      Removed value: -"Notes"
    • removedOutput schema / $defs / KevDetailResponse / properties / product / default
      Removed value: -null
    • removedOutput schema / $defs / KevDetailResponse / properties / product / description
      Removed value: -"Affected product name as published by CISA, e.g. 'Log4j2', 'Exchange Server'."
    • removedOutput schema / $defs / KevDetailResponse / properties / product / title
      Removed value: -"Product"
    • removedOutput schema / $defs / KevDetailResponse / properties / required_action / default
      Removed value: -null
    • removedOutput schema / $defs / KevDetailResponse / properties / required_action / description
      Removed value: -"CISA-specified remediation action text, e.g. 'Apply updates per vendor instructions'."
    • removedOutput schema / $defs / KevDetailResponse / properties / required_action / title
      Removed value: -"Required Action"
    • removedOutput schema / $defs / KevDetailResponse / properties / short_description / default
      Removed value: -null
    • removedOutput schema / $defs / KevDetailResponse / properties / short_description / description
      Removed value: -"CISA's one-sentence summary of the vulnerability."
    • removedOutput schema / $defs / KevDetailResponse / properties / short_description / title
      Removed value: -"Short Description"
    • removedOutput schema / $defs / KevDetailResponse / properties / updated_at / default
      Removed value: -null
    • removedOutput schema / $defs / KevDetailResponse / properties / updated_at / description
      Removed value: -"ISO 8601 timestamp of our last KEV sync that touched this row (DB-side freshness, distinct from date_updated)."
    • removedOutput schema / $defs / KevDetailResponse / properties / updated_at / title
      Removed value: -"Updated At"
    • removedOutput schema / $defs / KevDetailResponse / properties / vendor_project / default
      Removed value: -null
    • removedOutput schema / $defs / KevDetailResponse / properties / vendor_project / description
      Removed value: -"Vendor or project name as published by CISA, e.g. 'Apache', 'Microsoft', 'Atlassian'."
    • removedOutput schema / $defs / KevDetailResponse / properties / vendor_project / title
      Removed value: -"Vendor Project"
    • removedOutput schema / $defs / KevDetailResponse / properties / verdict / default
      Removed value: -null
    • removedOutput schema / $defs / KevDetailResponse / properties / verdict / description
      Removed value: -"Falsifiability metadata: sources_queried, sources_unavailable, completeness, deterministic flag. Lets agents distinguish 'no data' from 'source failed' without re-running the call."
    • removedOutput schema / $defs / KevDetailResponse / properties / vulnerability_name / default
      Removed value: -null
    • removedOutput schema / $defs / KevDetailResponse / properties / vulnerability_name / description
      Removed value: -"Short common name of the vulnerability when one is assigned, e.g. 'Log4Shell', 'ProxyShell'."
    • removedOutput schema / $defs / KevDetailResponse / properties / vulnerability_name / title
      Removed value: -"Vulnerability Name"
    • removedOutput schema / $defs / KevDetailResponse / title
      Removed value: -"KevDetailResponse"
    • removedOutput schema / $defs / PivotHint / description
      Removed value: -"A suggested follow-up MCP tool call. Surfaced inside response.next_calls so\nLLM agents can chain related lookups without manual prompting. Each hint names\nthe tool, the input value to pass, and a short reason explaining why this\npivot adds value in the current context."
    • removedOutput schema / $defs / PivotHint / properties / input / description
      Removed value: -"Suggested input value to pass to the tool — typically a CVE ID, CWE ID, domain, or IP. Pre-populated from the current response so the agent can call the next tool without re-deriving the argument."
    • removedOutput schema / $defs / PivotHint / properties / input / title
      Removed value: -"Input"
    • removedOutput schema / $defs / PivotHint / properties / params / default
      Removed value: -null
    • removedOutput schema / $defs / PivotHint / properties / params / description
      Removed value: -"Optional extra kwargs to pass alongside `input`. Used by pivot generators when the next call benefits from a secondary parameter, e.g. {'exclude_id': 'AML.T0051'} to skip the originating technique from a sibling-tactic search. Omitted when no extra args are needed."
    • removedOutput schema / $defs / PivotHint / properties / params / title
      Removed value: -"Params"
    • removedOutput schema / $defs / PivotHint / properties / reason / description
      Removed value: -"Short rationale (one sentence) for why this follow-up call adds value, e.g. 'Federal patch deadline + ransomware association', 'Public exploits / PoC availability'."
    • removedOutput schema / $defs / PivotHint / properties / reason / title
      Removed value: -"Reason"
    • removedOutput schema / $defs / PivotHint / properties / tool / description
      Removed value: -"Canonical MCP tool name to call next. Constrained to known operation_ids in tools/list — adding a new tool here requires expanding the Literal."
    • removedOutput schema / $defs / PivotHint / properties / tool / title
      Removed value: -"Tool"
    • removedOutput schema / $defs / PivotHint / title
      Removed value: -"PivotHint"
    • removedOutput schema / $defs / Verdict / properties / completeness / default
      Removed value: -"complete"
    • removedOutput schema / $defs / Verdict / properties / completeness / description
      Removed value: -"'complete' = every planned source returned data; 'partial' = at least one source in sources_unavailable failed or was skipped; 'minimal' = only the primary/required source returned, optional enrichment missing."
    • removedOutput schema / $defs / Verdict / properties / completeness / title
      Removed value: -"Completeness"
    • removedOutput schema / $defs / Verdict / properties / data_age_seconds / default
      Removed value: -null
    • removedOutput schema / $defs / Verdict / properties / data_age_seconds / description
      Removed value: -"Seconds elapsed since the oldest cached source was fetched, or null when every source was queried live for this request. Use to judge freshness."
    • removedOutput schema / $defs / Verdict / properties / data_age_seconds / title
      Removed value: -"Data Age Seconds"
    • removedOutput schema / $defs / Verdict / properties / deterministic / description
      Removed value: -"True when the response is fully reproducible from the listed sources for the same input at the same moment (no randomness, no model inference). False for endpoints that include probabilistic scoring or LLM output."
    • removedOutput schema / $defs / Verdict / properties / deterministic / title
      Removed value: -"Deterministic"
    • removedOutput schema / $defs / Verdict / properties / falsifiable_fields / description
      Removed value: -"Top-level response fields whose values a caller can independently re-derive from the named upstream sources (e.g. 'dns', 'ssl', 'whois'). Fields not in this list are derived/computed and cannot be directly re-verified."
    • removedOutput schema / $defs / Verdict / properties / falsifiable_fields / title
      Removed value: -"Falsifiable Fields"
    • removedOutput schema / $defs / Verdict / properties / sources_queried / description
      Removed value: -"Canonical source identifiers successfully consulted for this response (e.g. 'ripe_stat', 'shodan_internetdb', 'firehol'). Agent-readable list, order not significant."
    • removedOutput schema / $defs / Verdict / properties / sources_queried / title
      Removed value: -"Sources Queried"
    • removedOutput schema / $defs / Verdict / properties / sources_unavailable / description
      Removed value: -"Sources that were expected but not returned — either intentionally skipped (lite mode, tier gating) or failed (quota, timeout, upstream down). Empty list means every planned source produced data."
    • removedOutput schema / $defs / Verdict / properties / sources_unavailable / title
      Removed value: -"Sources Unavailable"
    • removedOutput schema / $defs / Verdict / title
      Removed value: -"Verdict"
    • removedOutput schema / properties / result / title
      Removed value: -"Result"
    • removedOutput schema / title
      Removed value: -"kev_detailOutput"
  6. Changed1 schema field changed
    • changedOutput schema / $defs / PivotHint / properties / tool / enum
      Previous value: -[
      -  "cve_lookup",
      -  "cve_search",
      -  "cve_leading",
      -  "bulk_cve_lookup",
      -  "calculate_risk_score",
      -  "get_cvss_details",
      -  "exploit_lookup",
      -  "kev_detail",
      -  "cwe_lookup",
      -  "subdomain_enum",
      -  "ssl_check",
      -  "tech_fingerprint",
      -  "asn_lookup",
      -  "ip_lookup",
      -  "ioc_lookup",
      -  "bulk_ioc_lookup",
      -  "hash_lookup",
      -  "threat_intel",
      -  "threat_report",
      -  "audit_domain",
      -  "domain_report",
      -  "dns_lookup",
      -  "whois_lookup",
      -  "wayback_lookup",
      -  "scan_headers",
      -  "check_headers",
      -  "check_secrets",
      -  "check_injection",
      -  "check_dependencies",
      -  "email_mx",
      -  "email_security_posture",
      -  "email_disposable",
      -  "email_verify",
      -  "robots_txt",
      -  "redirect_chain",
      -  "brand_assets",
      -  "seo_audit",
      -  "phone_lookup",
      -  "username_lookup",
      -  "password_check",
      -  "phishing_check",
      -  "atlas_technique_lookup",
      -  "atlas_technique_search",
      -  "bulk_atlas_technique_lookup",
      -  "atlas_case_study_lookup",
      -  "atlas_case_study_search",
      -  "d3fend_defense_lookup",
      -  "d3fend_defense_search",
      -  "d3fend_defense_for_attack",
      -  "d3fend_attack_coverage",
      -  "sigma_rule_lookup",
      -  "bulk_sigma_rule_lookup"
      -]New value: +[
      +  "cve_lookup",
      +  "cve_search",
      +  "cve_leading",
      +  "bulk_cve_lookup",
      +  "calculate_risk_score",
      +  "get_cvss_details",
      +  "exploit_lookup",
      +  "kev_detail",
      +  "cwe_lookup",
      +  "subdomain_enum",
      +  "ssl_check",
      +  "tech_fingerprint",
      +  "asn_lookup",
      +  "ip_lookup",
      +  "ioc_lookup",
      +  "bulk_ioc_lookup",
      +  "hash_lookup",
      +  "threat_intel",
      +  "threat_report",
      +  "audit_domain",
      +  "domain_report",
      +  "dns_lookup",
      +  "whois_lookup",
      +  "wayback_lookup",
      +  "scan_headers",
      +  "check_headers",
      +  "check_secrets",
      +  "check_injection",
      +  "check_dependencies",
      +  "email_mx",
      +  "email_security_posture",
      +  "email_disposable",
      +  "email_verify",
      +  "robots_txt",
      +  "redirect_chain",
      +  "brand_assets",
      +  "seo_audit",
      +  "phone_lookup",
      +  "username_lookup",
      +  "password_check",
      +  "phishing_check",
      +  "atlas_technique_lookup",
      +  "atlas_technique_search",
      +  "bulk_atlas_technique_lookup",
      +  "atlas_case_study_lookup",
      +  "atlas_case_study_search",
      +  "d3fend_defense_lookup",
      +  "d3fend_defense_search",
      +  "d3fend_defense_for_attack",
      +  "d3fend_attack_coverage",
      +  "sigma_rule_lookup",
      +  "bulk_sigma_rule_lookup",
      +  "tech_stack_cve_audit"
      +]
  7. Changed1 schema field changed
    • changedOutput schema / $defs / PivotHint / properties / tool / enum
      Previous value: -[
      -  "cve_lookup",
      -  "cve_search",
      -  "cve_leading",
      -  "bulk_cve_lookup",
      -  "calculate_risk_score",
      -  "get_cvss_details",
      -  "exploit_lookup",
      -  "kev_detail",
      -  "cwe_lookup",
      -  "subdomain_enum",
      -  "ssl_check",
      -  "tech_fingerprint",
      -  "asn_lookup",
      -  "ip_lookup",
      -  "ioc_lookup",
      -  "bulk_ioc_lookup",
      -  "hash_lookup",
      -  "threat_intel",
      -  "threat_report",
      -  "audit_domain",
      -  "domain_report",
      -  "dns_lookup",
      -  "whois_lookup",
      -  "wayback_lookup",
      -  "scan_headers",
      -  "check_headers",
      -  "check_secrets",
      -  "check_injection",
      -  "check_dependencies",
      -  "email_mx",
      -  "email_security_posture",
      -  "email_disposable",
      -  "email_verify",
      -  "robots_txt",
      -  "redirect_chain",
      -  "brand_assets",
      -  "seo_audit",
      -  "phone_lookup",
      -  "username_lookup",
      -  "password_check",
      -  "phishing_check",
      -  "atlas_technique_lookup",
      -  "atlas_technique_search",
      -  "bulk_atlas_technique_lookup",
      -  "atlas_case_study_lookup",
      -  "atlas_case_study_search",
      -  "d3fend_defense_lookup",
      -  "d3fend_defense_search",
      -  "d3fend_defense_for_attack",
      -  "d3fend_attack_coverage"
      -]New value: +[
      +  "cve_lookup",
      +  "cve_search",
      +  "cve_leading",
      +  "bulk_cve_lookup",
      +  "calculate_risk_score",
      +  "get_cvss_details",
      +  "exploit_lookup",
      +  "kev_detail",
      +  "cwe_lookup",
      +  "subdomain_enum",
      +  "ssl_check",
      +  "tech_fingerprint",
      +  "asn_lookup",
      +  "ip_lookup",
      +  "ioc_lookup",
      +  "bulk_ioc_lookup",
      +  "hash_lookup",
      +  "threat_intel",
      +  "threat_report",
      +  "audit_domain",
      +  "domain_report",
      +  "dns_lookup",
      +  "whois_lookup",
      +  "wayback_lookup",
      +  "scan_headers",
      +  "check_headers",
      +  "check_secrets",
      +  "check_injection",
      +  "check_dependencies",
      +  "email_mx",
      +  "email_security_posture",
      +  "email_disposable",
      +  "email_verify",
      +  "robots_txt",
      +  "redirect_chain",
      +  "brand_assets",
      +  "seo_audit",
      +  "phone_lookup",
      +  "username_lookup",
      +  "password_check",
      +  "phishing_check",
      +  "atlas_technique_lookup",
      +  "atlas_technique_search",
      +  "bulk_atlas_technique_lookup",
      +  "atlas_case_study_lookup",
      +  "atlas_case_study_search",
      +  "d3fend_defense_lookup",
      +  "d3fend_defense_search",
      +  "d3fend_defense_for_attack",
      +  "d3fend_attack_coverage",
      +  "sigma_rule_lookup",
      +  "bulk_sigma_rule_lookup"
      +]
  8. Changed1 schema field changed
    • changedOutput schema / $defs / PivotHint / properties / tool / enum
      Previous value: -[
      -  "cve_lookup",
      -  "cve_search",
      -  "cve_leading",
      -  "bulk_cve_lookup",
      -  "calculate_risk_score",
      -  "get_cvss_details",
      -  "exploit_lookup",
      -  "kev_detail",
      -  "cwe_lookup",
      -  "subdomain_enum",
      -  "ssl_check",
      -  "tech_fingerprint",
      -  "asn_lookup",
      -  "ip_lookup",
      -  "ioc_lookup",
      -  "bulk_ioc_lookup",
      -  "hash_lookup",
      -  "threat_intel",
      -  "threat_report",
      -  "audit_domain",
      -  "domain_report",
      -  "dns_lookup",
      -  "whois_lookup",
      -  "wayback_lookup",
      -  "scan_headers",
      -  "check_headers",
      -  "check_secrets",
      -  "check_injection",
      -  "check_dependencies",
      -  "email_mx",
      -  "email_disposable",
      -  "email_verify",
      -  "robots_txt",
      -  "redirect_chain",
      -  "brand_assets",
      -  "seo_audit",
      -  "phone_lookup",
      -  "username_lookup",
      -  "password_check",
      -  "phishing_check",
      -  "atlas_technique_lookup",
      -  "atlas_technique_search",
      -  "bulk_atlas_technique_lookup",
      -  "atlas_case_study_lookup",
      -  "atlas_case_study_search",
      -  "d3fend_defense_lookup",
      -  "d3fend_defense_search",
      -  "d3fend_defense_for_attack",
      -  "d3fend_attack_coverage"
      -]New value: +[
      +  "cve_lookup",
      +  "cve_search",
      +  "cve_leading",
      +  "bulk_cve_lookup",
      +  "calculate_risk_score",
      +  "get_cvss_details",
      +  "exploit_lookup",
      +  "kev_detail",
      +  "cwe_lookup",
      +  "subdomain_enum",
      +  "ssl_check",
      +  "tech_fingerprint",
      +  "asn_lookup",
      +  "ip_lookup",
      +  "ioc_lookup",
      +  "bulk_ioc_lookup",
      +  "hash_lookup",
      +  "threat_intel",
      +  "threat_report",
      +  "audit_domain",
      +  "domain_report",
      +  "dns_lookup",
      +  "whois_lookup",
      +  "wayback_lookup",
      +  "scan_headers",
      +  "check_headers",
      +  "check_secrets",
      +  "check_injection",
      +  "check_dependencies",
      +  "email_mx",
      +  "email_security_posture",
      +  "email_disposable",
      +  "email_verify",
      +  "robots_txt",
      +  "redirect_chain",
      +  "brand_assets",
      +  "seo_audit",
      +  "phone_lookup",
      +  "username_lookup",
      +  "password_check",
      +  "phishing_check",
      +  "atlas_technique_lookup",
      +  "atlas_technique_search",
      +  "bulk_atlas_technique_lookup",
      +  "atlas_case_study_lookup",
      +  "atlas_case_study_search",
      +  "d3fend_defense_lookup",
      +  "d3fend_defense_search",
      +  "d3fend_defense_for_attack",
      +  "d3fend_attack_coverage"
      +]
  9. Changed1 schema field changed
    • changedOutput schema / $defs / PivotHint / properties / tool / enum
      Previous value: -[
      -  "cve_lookup",
      -  "cve_search",
      -  "cve_leading",
      -  "bulk_cve_lookup",
      -  "exploit_lookup",
      -  "kev_detail",
      -  "cwe_lookup",
      -  "subdomain_enum",
      -  "ssl_check",
      -  "tech_fingerprint",
      -  "asn_lookup",
      -  "ip_lookup",
      -  "ioc_lookup",
      -  "bulk_ioc_lookup",
      -  "hash_lookup",
      -  "threat_intel",
      -  "threat_report",
      -  "audit_domain",
      -  "domain_report",
      -  "dns_lookup",
      -  "whois_lookup",
      -  "wayback_lookup",
      -  "scan_headers",
      -  "check_headers",
      -  "check_secrets",
      -  "check_injection",
      -  "check_dependencies",
      -  "email_mx",
      -  "email_disposable",
      -  "email_verify",
      -  "robots_txt",
      -  "redirect_chain",
      -  "brand_assets",
      -  "seo_audit",
      -  "phone_lookup",
      -  "username_lookup",
      -  "password_check",
      -  "phishing_check",
      -  "atlas_technique_lookup",
      -  "atlas_technique_search",
      -  "bulk_atlas_technique_lookup",
      -  "atlas_case_study_lookup",
      -  "atlas_case_study_search",
      -  "d3fend_defense_lookup",
      -  "d3fend_defense_search",
      -  "d3fend_defense_for_attack",
      -  "d3fend_attack_coverage"
      -]New value: +[
      +  "cve_lookup",
      +  "cve_search",
      +  "cve_leading",
      +  "bulk_cve_lookup",
      +  "calculate_risk_score",
      +  "get_cvss_details",
      +  "exploit_lookup",
      +  "kev_detail",
      +  "cwe_lookup",
      +  "subdomain_enum",
      +  "ssl_check",
      +  "tech_fingerprint",
      +  "asn_lookup",
      +  "ip_lookup",
      +  "ioc_lookup",
      +  "bulk_ioc_lookup",
      +  "hash_lookup",
      +  "threat_intel",
      +  "threat_report",
      +  "audit_domain",
      +  "domain_report",
      +  "dns_lookup",
      +  "whois_lookup",
      +  "wayback_lookup",
      +  "scan_headers",
      +  "check_headers",
      +  "check_secrets",
      +  "check_injection",
      +  "check_dependencies",
      +  "email_mx",
      +  "email_disposable",
      +  "email_verify",
      +  "robots_txt",
      +  "redirect_chain",
      +  "brand_assets",
      +  "seo_audit",
      +  "phone_lookup",
      +  "username_lookup",
      +  "password_check",
      +  "phishing_check",
      +  "atlas_technique_lookup",
      +  "atlas_technique_search",
      +  "bulk_atlas_technique_lookup",
      +  "atlas_case_study_lookup",
      +  "atlas_case_study_search",
      +  "d3fend_defense_lookup",
      +  "d3fend_defense_search",
      +  "d3fend_defense_for_attack",
      +  "d3fend_attack_coverage"
      +]
  10. Changed3 schema fields changed
    • addedOutput schema / $defs / KevDetailResponse / properties / date_removed
      Added value: +{
      +  "anyOf": [
      +    {
      +      "type": "string"
      +    },
      +    {
      +      "type": "null"
      +    }
      +  ],
      +  "default": null,
      +  "description": "ISO 8601 timestamp when CISA removed this CVE from the KEV catalog. Null while still active.",
      +  "title": "Date Removed"
      +}
    • addedOutput schema / $defs / KevDetailResponse / properties / date_updated
      Added value: +{
      +  "anyOf": [
      +    {
      +      "type": "string"
      +    },
      +    {
      +      "type": "null"
      +    }
      +  ],
      +  "default": null,
      +  "description": "ISO 8601 timestamp from KEV catalog 'dateUpdated' field — when CISA last revised this entry's metadata.",
      +  "title": "Date Updated"
      +}
    • addedOutput schema / $defs / KevDetailResponse / properties / updated_at
      Added value: +{
      +  "anyOf": [
      +    {
      +      "type": "string"
      +    },
      +    {
      +      "type": "null"
      +    }
      +  ],
      +  "default": null,
      +  "description": "ISO 8601 timestamp of our last KEV sync that touched this row (DB-side freshness, distinct from date_updated).",
      +  "title": "Updated At"
      +}
  11. Changed1 schema field changed
    • changedOutput schema / $defs / PivotHint / properties / tool / enum
      Previous value: -[
      -  "cve_lookup",
      -  "cve_search",
      -  "cve_leading",
      -  "bulk_cve_lookup",
      -  "exploit_lookup",
      -  "kev_detail",
      -  "cwe_lookup",
      -  "subdomain_enum",
      -  "ssl_check",
      -  "tech_fingerprint",
      -  "asn_lookup",
      -  "ip_lookup",
      -  "ioc_lookup",
      -  "bulk_ioc_lookup",
      -  "hash_lookup",
      -  "threat_intel",
      -  "threat_report",
      -  "audit_domain",
      -  "domain_report",
      -  "dns_lookup",
      -  "whois_lookup",
      -  "wayback_lookup",
      -  "scan_headers",
      -  "check_headers",
      -  "check_secrets",
      -  "check_injection",
      -  "check_dependencies",
      -  "email_mx",
      -  "email_disposable",
      -  "phone_lookup",
      -  "username_lookup",
      -  "password_check",
      -  "phishing_check",
      -  "atlas_technique_lookup",
      -  "atlas_technique_search",
      -  "bulk_atlas_technique_lookup",
      -  "atlas_case_study_lookup",
      -  "atlas_case_study_search",
      -  "d3fend_defense_lookup",
      -  "d3fend_defense_search",
      -  "d3fend_defense_for_attack",
      -  "d3fend_attack_coverage"
      -]New value: +[
      +  "cve_lookup",
      +  "cve_search",
      +  "cve_leading",
      +  "bulk_cve_lookup",
      +  "exploit_lookup",
      +  "kev_detail",
      +  "cwe_lookup",
      +  "subdomain_enum",
      +  "ssl_check",
      +  "tech_fingerprint",
      +  "asn_lookup",
      +  "ip_lookup",
      +  "ioc_lookup",
      +  "bulk_ioc_lookup",
      +  "hash_lookup",
      +  "threat_intel",
      +  "threat_report",
      +  "audit_domain",
      +  "domain_report",
      +  "dns_lookup",
      +  "whois_lookup",
      +  "wayback_lookup",
      +  "scan_headers",
      +  "check_headers",
      +  "check_secrets",
      +  "check_injection",
      +  "check_dependencies",
      +  "email_mx",
      +  "email_disposable",
      +  "email_verify",
      +  "robots_txt",
      +  "redirect_chain",
      +  "brand_assets",
      +  "seo_audit",
      +  "phone_lookup",
      +  "username_lookup",
      +  "password_check",
      +  "phishing_check",
      +  "atlas_technique_lookup",
      +  "atlas_technique_search",
      +  "bulk_atlas_technique_lookup",
      +  "atlas_case_study_lookup",
      +  "atlas_case_study_search",
      +  "d3fend_defense_lookup",
      +  "d3fend_defense_search",
      +  "d3fend_defense_for_attack",
      +  "d3fend_attack_coverage"
      +]
  12. Changed3 schema fields changed
    • addedOutput schema / $defs
      Added value: +{
      +  "ErrorDetail": {
      +    "description": "Structured failure body. Codes mirror app/exceptions.AppException\nsubclasses; agent retry / upgrade decisions key off `code`, not `message`.",
      +    "properties": {
      +      "code": {
      +        "description": "Stable machine-readable failure category. Agents key retry/upgrade decisions off this.",
      +        "enum": [
      +          "invalid_argument",
      +          "not_found",
      +          "rate_limit_exceeded",
      +          "auth_required",
      +          "tier_limit",
      +          "upstream_timeout",
      +          "upstream_error",
      +          "internal_error"
      +        ],
      +        "title": "Code",
      +        "type": "string"
      +      },
      +      "docs_url": {
      +        "anyOf": [
      +          {
      +            "type": "string"
      +          },
      +          {
      +            "type": "null"
      +          }
      +        ],
      +        "default": null,
      +        "description": "Documentation pointer (e.g. tool input contract) when code='invalid_argument'.",
      +        "title": "Docs Url"
      +      },
      +      "message": {
      +        "description": "Human-readable detail. Free text — never parse. Capped at 500 chars to prevent oversized upstream errors from bloating responses.",
      +        "maxLength": 500,
      +        "title": "Message",
      +        "type": "string"
      +      },
      +      "retry_after_seconds": {
      +        "anyOf": [
      +          {
      +            "type": "integer"
      +          },
      +          {
      +            "type": "null"
      +          }
      +        ],
      +        "default": null,
      +        "description": "When code='rate_limit_exceeded', the minimum seconds to wait before retrying.",
      +        "title": "Retry After Seconds"
      +      },
      +      "upgrade_url": {
      +        "anyOf": [
      +          {
      +            "type": "string"
      +          },
      +          {
      +            "type": "null"
      +          }
      +        ],
      +        "default": null,
      +        "description": "Pricing/upgrade URL when code='tier_limit' or 'rate_limit_exceeded' on the Free tier.",
      +        "title": "Upgrade Url"
      +      }
      +    },
      +    "required": [
      +      "code",
      +      "message"
      +    ],
      +    "title": "ErrorDetail",
      +    "type": "object"
      +  },
      +  "ErrorResponse": {
      +    "description": "MCP error envelope. Tool return type is always\n`SpecificResponse | ErrorResponse` — Union flag tells the agent which arm\narrived without parsing the inner body.",
      +    "properties": {
      +      "error": {
      +        "$ref": "#/$defs/ErrorDetail"
      +      }
      +    },
      +    "required": [
      +      "error"
      +    ],
      +    "title": "ErrorResponse",
      +    "type": "object"
      +  },
      +  "KevDetailResponse": {
      +    "additionalProperties": true,
      +    "description": "Full CISA KEV catalog record for a single CVE.\n\nText fields (required_action, notes, vulnerability_name, short_description) are\nsourced verbatim from CISA's official feed and JSON-encoded — safe for\nJSON consumers, but downstream callers that render into HTML must apply their\nown escaping.\n\n`extra=\"allow\"` is set for forward-compat (Tier 2 audit pattern, Session 171).\nOnly PivotHint objects in `next_calls` and CISA-sourced DB columns appear in extras.",
      +    "properties": {
      +      "cve_id": {
      +        "description": "Canonical CVE identifier, e.g. 'CVE-2021-44228'.",
      +        "title": "Cve Id",
      +        "type": "string"
      +      },
      +      "cwes": {
      +        "description": "CWE identifiers CISA reports for this CVE. May differ from the NVD-assigned CWE. Call cwe_lookup with each entry to fetch weakness category, mitigations, and parent/child chain.",
      +        "items": {
      +          "type": "string"
      +        },
      +        "maxItems": 100,
      +        "title": "Cwes",
      +        "type": "array"
      +      },
      +      "date_added": {
      +        "anyOf": [
      +          {
      +            "type": "string"
      +          },
      +          {
      +            "type": "null"
      +          }
      +        ],
      +        "default": null,
      +        "description": "ISO 8601 date CISA added this CVE to the Known Exploited Vulnerabilities catalog.",
      +        "title": "Date Added"
      +      },
      +      "due_date": {
      +        "anyOf": [
      +          {
      +            "type": "string"
      +          },
      +          {
      +            "type": "null"
      +          }
      +        ],
      +        "default": null,
      +        "description": "Federal patch deadline (ISO 8601). Null for older entries from before CISA enforced remediation due dates (BOD 22-01, Nov 2021).",
      +        "title": "Due Date"
      +      },
      +      "in_kev": {
      +        "default": true,
      +        "description": "Always True for this endpoint — 404 is returned when the CVE is not in the KEV catalog.",
      +        "title": "In Kev",
      +        "type": "boolean"
      +      },
      +      "known_ransomware_use": {
      +        "default": false,
      +        "description": "True when CISA has linked this CVE to a known ransomware campaign. Derived from CISA's 'knownRansomwareCampaignUse=Known' field.",
      +        "title": "Known Ransomware Use",
      +        "type": "boolean"
      +      },
      +      "next_calls": {
      +        "anyOf": [
      +          {
      +            "items": {
      +              "$ref": "#/$defs/PivotHint"
      +            },
      +            "type": "array"
      +          },
      +          {
      +            "type": "null"
      +          }
      +        ],
      +        "default": null,
      +        "description": "Suggested follow-up MCP tool calls. Ordered by relevance; agents should chain these without re-prompting the user.",
      +        "title": "Next Calls"
      +      },
      +      "notes": {
      +        "anyOf": [
      +          {
      +            "type": "string"
      +          },
      +          {
      +            "type": "null"
      +          }
      +        ],
      +        "default": null,
      +        "description": "Reference URLs published by CISA, separated by '; '.",
      +        "title": "Notes"
      +      },
      +      "product": {
      +        "anyOf": [
      +          {
      +            "type": "string"
      +          },
      +          {
      +            "type": "null"
      +          }
      +        ],
      +        "default": null,
      +        "description": "Affected product name as published by CISA, e.g. 'Log4j2', 'Exchange Server'.",
      +        "title": "Product"
      +      },
      +      "required_action": {
      +        "anyOf": [
      +          {
      +            "type": "string"
      +          },
      +          {
      +            "type": "null"
      +          }
      +        ],
      +        "default": null,
      +        "description": "CISA-specified remediation action text, e.g. 'Apply updates per vendor instructions'.",
      +        "title": "Required Action"
      +      },
      +      "short_description": {
      +        "anyOf": [
      +          {
      +            "type": "string"
      +          },
      +          {
      +            "type": "null"
      +          }
      +        ],
      +        "default": null,
      +        "description": "CISA's one-sentence summary of the vulnerability.",
      +        "title": "Short Description"
      +      },
      +      "vendor_project": {
      +        "anyOf": [
      +          {
      +            "type": "string"
      +          },
      +          {
      +            "type": "null"
      +          }
      +        ],
      +        "default": null,
      +        "description": "Vendor or project name as published by CISA, e.g. 'Apache', 'Microsoft', 'Atlassian'.",
      +        "title": "Vendor Project"
      +      },
      +      "verdict": {
      +        "anyOf": [
      +          {
      +            "$ref": "#/$defs/Verdict"
      +          },
      +          {
      +            "type": "null"
      +          }
      +        ],
      +        "default": null,
      +        "description": "Falsifiability metadata: sources_queried, sources_unavailable, completeness, deterministic flag. Lets agents distinguish 'no data' from 'source failed' without re-running the call."
      +      },
      +      "vulnerability_name": {
      +        "anyOf": [
      +          {
      +            "type": "string"
      +          },
      +          {
      +            "type": "null"
      +          }
      +        ],
      +        "default": null,
      +        "description": "Short common name of the vulnerability when one is assigned, e.g. 'Log4Shell', 'ProxyShell'.",
      +        "title": "Vulnerability Name"
      +      }
      +    },
      +    "required": [
      +      "cve_id"
      +    ],
      +    "title": "KevDetailResponse",
      +    "type": "object"
      +  },
      +  "PivotHint": {
      +    "additionalProperties": true,
      +    "description": "A suggested follow-up MCP tool call. Surfaced inside response.next_calls so\nLLM agents can chain related lookups without manual prompting. Each hint names\nthe tool, the input value to pass, and a short reason explaining why this\npivot adds value in the current context.",
      +    "properties": {
      +      "input": {
      +        "description": "Suggested input value to pass to the tool — typically a CVE ID, CWE ID, domain, or IP. Pre-populated from the current response so the agent can call the next tool without re-deriving the argument.",
      +        "title": "Input",
      +        "type": "string"
      +      },
      +      "params": {
      +        "anyOf": [
      +          {
      +            "additionalProperties": {
      +              "type": "string"
      +            },
      +            "type": "object"
      +          },
      +          {
      +            "type": "null"
      +          }
      +        ],
      +        "default": null,
      +        "description": "Optional extra kwargs to pass alongside `input`. Used by pivot generators when the next call benefits from a secondary parameter, e.g. {'exclude_id': 'AML.T0051'} to skip the originating technique from a sibling-tactic search. Omitted when no extra args are needed.",
      +        "title": "Params"
      +      },
      +      "reason": {
      +        "description": "Short rationale (one sentence) for why this follow-up call adds value, e.g. 'Federal patch deadline + ransomware association', 'Public exploits / PoC availability'.",
      +        "title": "Reason",
      +        "type": "string"
      +      },
      +      "tool": {
      +        "description": "Canonical MCP tool name to call next. Constrained to known operation_ids in tools/list — adding a new tool here requires expanding the Literal.",
      +        "enum": [
      +          "cve_lookup",
      +          "cve_search",
      +          "cve_leading",
      +          "bulk_cve_lookup",
      +          "exploit_lookup",
      +          "kev_detail",
      +          "cwe_lookup",
      +          "subdomain_enum",
      +          "ssl_check",
      +          "tech_fingerprint",
      +          "asn_lookup",
      +          "ip_lookup",
      +          "ioc_lookup",
      +          "bulk_ioc_lookup",
      +          "hash_lookup",
      +          "threat_intel",
      +          "threat_report",
      +          "audit_domain",
      +          "domain_report",
      +          "dns_lookup",
      +          "whois_lookup",
      +          "wayback_lookup",
      +          "scan_headers",
      +          "check_headers",
      +          "check_secrets",
      +          "check_injection",
      +          "check_dependencies",
      +          "email_mx",
      +          "email_disposable",
      +          "phone_lookup",
      +          "username_lookup",
      +          "password_check",
      +          "phishing_check",
      +          "atlas_technique_lookup",
      +          "atlas_technique_search",
      +          "bulk_atlas_technique_lookup",
      +          "atlas_case_study_lookup",
      +          "atlas_case_study_search",
      +          "d3fend_defense_lookup",
      +          "d3fend_defense_search",
      +          "d3fend_defense_for_attack",
      +          "d3fend_attack_coverage"
      +        ],
      +        "title": "Tool",
      +        "type": "string"
      +      }
      +    },
      +    "required": [
      +      "tool",
      +      "input",
      +      "reason"
      +    ],
      +    "title": "PivotHint",
      +    "type": "object"
      +  },
      +  "Verdict": {
      +    "properties": {
      +      "completeness": {
      +        "default": "complete",
      +        "description": "'complete' = every planned source returned data; 'partial' = at least one source in sources_unavailable failed or was skipped; 'minimal' = only the primary/required source returned, optional enrichment missing.",
      +        "enum": [
      +          "complete",
      +          "partial",
      +          "minimal"
      +        ],
      +        "title": "Completeness",
      +        "type": "string"
      +      },
      +      "data_age_seconds": {
      +        "anyOf": [
      +          {
      +            "type": "integer"
      +          },
      +          {
      +            "type": "null"
      +          }
      +        ],
      +        "default": null,
      +        "description": "Seconds elapsed since the oldest cached source was fetched, or null when every source was queried live for this request. Use to judge freshness.",
      +        "title": "Data Age Seconds"
      +      },
      +      "deterministic": {
      +        "description": "True when the response is fully reproducible from the listed sources for the same input at the same moment (no randomness, no model inference). False for endpoints that include probabilistic scoring or LLM output.",
      +        "title": "Deterministic",
      +        "type": "boolean"
      +      },
      +      "falsifiable_fields": {
      +        "description": "Top-level response fields whose values a caller can independently re-derive from the named upstream sources (e.g. 'dns', 'ssl', 'whois'). Fields not in this list are derived/computed and cannot be directly re-verified.",
      +        "items": {
      +          "type": "string"
      +        },
      +        "title": "Falsifiable Fields",
      +        "type": "array"
      +      },
      +      "sources_queried": {
      +        "description": "Canonical source identifiers successfully consulted for this response (e.g. 'ripe_stat', 'shodan_internetdb', 'firehol'). Agent-readable list, order not significant.",
      +        "items": {
      +          "type": "string"
      +        },
      +        "title": "Sources Queried",
      +        "type": "array"
      +      },
      +      "sources_unavailable": {
      +        "description": "Sources that were expected but not returned — either intentionally skipped (lite mode, tier gating) or failed (quota, timeout, upstream down). Empty list means every planned source produced data.",
      +        "items": {
      +          "type": "string"
      +        },
      +        "title": "Sources Unavailable",
      +        "type": "array"
      +      }
      +    },
      +    "required": [
      +      "deterministic"
      +    ],
      +    "title": "Verdict",
      +    "type": "object"
      +  }
      +}
    • addedOutput schema / properties / result / anyOf
      Added value: +[
      +  {
      +    "$ref": "#/$defs/KevDetailResponse"
      +  },
      +  {
      +    "$ref": "#/$defs/ErrorResponse"
      +  }
      +]
    • removedOutput schema / properties / result / type
      Removed value: -"string"
  13. Added

TDQS

A4.6/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare readOnlyHint, idempotentHint, and destructiveHint=false, but the description adds valuable behavior beyond that: states 404 behavior, explains date_removed is null while active, and clarifies updated_at as 'our DB sync freshness'. No contradiction with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a dense paragraph but every sentence adds value—field semantics, usage direction, and rate limits. It is front-loaded with the primary purpose in the first sentence. Slightly longer than strictly necessary, but efficient overall.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool's complexity (many return fields, conditional null values, 404 behavior, integration with sibling tools) and the presence of an output schema, the description covers all essential aspects: what it returns, how it behaves on missing CVEs, and when to use it. No significant gaps.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

There is only one parameter, cve_id, and the schema already provides a full description with format and examples (CVE-2021-44228). The description adds no additional semantics beyond what the schema covers, so the baseline of 3 applies.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description opens with 'Look up CISA KEV (Known Exploited Vulnerabilities) full record for a CVE', which is a specific verb+resource combination. It explicitly distinguishes from sibling tools by stating 'use cve_lookup for non-KEV CVEs' and framing itself as a follow-up to cve_lookup or cve_search(kev=true).

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Provides explicit when-to-use guidance: 'Best follow-up after cve_lookup or cve_search(kev=true) when an in_kev=true CVE is identified'. It also names an alternative ('use cve_lookup for non-KEV CVEs') and suggests chaining with cwe_lookup. Rate limits ('Free: 30/hr, Pro: 500/hr') add operational context.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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