Skip to main content
Glama

Phone Lookup

phone_lookup
Read-onlyIdempotent

Validate and analyze phone number: country, region, carrier, line type (mobile/landline/VoIP), timezone, formatted versions. Use to verify phone legitimacy and detect fraud risks. Requires E.164 format (+1234567890). Companion OSINT identity-investigation tools: username_lookup (social-platform handle correlation), email_disposable (throwaway-mail signal on associated email). Free: 30/hr, Pro: 500/hr. Returns {valid, country, region, carrier, carrier_status, line_type, timezone, formats}. carrier is omitted from the wire when libphonenumber has no mapping for the region (US/CA/GB and other MNP-restricted regions); always read carrier_status — 'known' means carrier is present, 'unsupported_region' means we cannot identify the carrier (do not infer the number lacks one).

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
numberYesPhone number in E.164 format: + followed by country code and number, no spaces or dashes. Examples: '+14155552671' (US), '+905551234567' (TR), '+442071234567' (UK). Wrong: '0555-123-4567', '(415) 555-2671'

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed6 schema fields changed
    • changedOutput schema / properties / result / properties / carrier / type
      Previous value: -"string"New value: +[
      +  "string",
      +  "null"
      +]
    • changedOutput schema / properties / result / properties / carrier_status / type
      Previous value: -"string"New value: +[
      +  "string",
      +  "null"
      +]
    • changedOutput schema / properties / result / properties / error / type
      Previous value: -"string"New value: +[
      +  "string",
      +  "null"
      +]
    • changedOutput schema / properties / result / properties / format / type
      Previous value: -"object"New value: +[
      +  "object",
      +  "null"
      +]
    • changedOutput schema / properties / result / properties / next_calls / type
      Previous value: -"array"New value: +[
      +  "array",
      +  "null"
      +]
    • changedOutput schema / properties / result / properties / verdict / type
      Previous value: -"object"New value: +[
      +  "object",
      +  "null"
      +]
  2. Changed4 schema fields changed
    • changedOutput schema / properties / result / properties / carrier / type
      Previous value: -"object"New value: +"string"
    • changedOutput schema / properties / result / properties / carrier_status / type
      Previous value: -"object"New value: +"string"
    • changedOutput schema / properties / result / properties / error / type
      Previous value: -"object"New value: +"string"
    • changedOutput schema / properties / result / properties / next_calls / type
      Previous value: -"object"New value: +"array"
  3. Changed1 schema field changed
    • changedOutput schema / (root)
      Previous value: -nullNew value: +{
      +  "properties": {
      +    "result": {
      +      "properties": {
      +        "carrier": {
      +          "type": "object"
      +        },
      +        "carrier_status": {
      +          "type": "object"
      +        },
      +        "country_code": {
      +          "type": "string"
      +        },
      +        "country_name": {
      +          "type": "string"
      +        },
      +        "error": {
      +          "type": "object"
      +        },
      +        "format": {
      +          "type": "object"
      +        },
      +        "next_calls": {
      +          "type": "object"
      +        },
      +        "number": {
      +          "type": "string"
      +        },
      +        "summary": {
      +          "type": "string"
      +        },
      +        "timezone": {
      +          "type": "array"
      +        },
      +        "type": {
      +          "type": "string"
      +        },
      +        "valid": {
      +          "type": "boolean"
      +        },
      +        "verdict": {
      +          "type": "object"
      +        }
      +      },
      +      "required": [],
      +      "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": "#/$defs/ErrorDetail"
      -        }
      -      },
      -      "required": [
      -        "error"
      -      ],
      -      "type": "object"
      -    },
      -    "PhoneFormat": {
      -      "properties": {
      -        "e164": {
      -          "type": "string"
      -        },
      -        "international": {
      -          "type": "string"
      -        },
      -        "national": {
      -          "type": "string"
      -        }
      -      },
      -      "type": "object"
      -    },
      -    "PhoneLookupResponse": {
      -      "properties": {
      -        "carrier": {
      -          "anyOf": [
      -            {
      -              "type": "string"
      -            },
      -            {
      -              "type": "null"
      -            }
      -          ]
      -        },
      -        "carrier_status": {
      -          "anyOf": [
      -            {
      -              "enum": [
      -                "known",
      -                "unsupported_region"
      -              ],
      -              "type": "string"
      -            },
      -            {
      -              "type": "null"
      -            }
      -          ]
      -        },
      -        "country_code": {
      -          "type": "string"
      -        },
      -        "country_name": {
      -          "type": "string"
      -        },
      -        "error": {
      -          "anyOf": [
      -            {
      -              "type": "string"
      -            },
      -            {
      -              "type": "null"
      -            }
      -          ]
      -        },
      -        "format": {
      -          "anyOf": [
      -            {
      -              "$ref": "#/$defs/PhoneFormat"
      -            },
      -            {
      -              "type": "null"
      -            }
      -          ]
      -        },
      -        "next_calls": {
      -          "anyOf": [
      -            {
      -              "items": {
      -                "$ref": "#/$defs/PivotHint"
      -              },
      -              "type": "array"
      -            },
      -            {
      -              "type": "null"
      -            }
      -          ]
      -        },
      -        "number": {
      -          "type": "string"
      -        },
      -        "summary": {
      -          "type": "string"
      -        },
      -        "timezone": {
      -          "items": {
      -            "type": "string"
      -          },
      -          "type": "array"
      -        },
      -        "type": {
      -          "type": "string"
      -        },
      -        "valid": {
      -          "type": "boolean"
      -        },
      -        "verdict": {
      -          "anyOf": [
      -            {
      -              "$ref": "#/$defs/Verdict"
      -            },
      -            {
      -              "type": "null"
      -            }
      -          ]
      -        }
      -      },
      -      "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": "#/$defs/PhoneLookupResponse"
      -        },
      -        {
      -          "$ref": "#/$defs/ErrorResponse"
      -        }
      -      ]
      -    }
      -  },
      -  "required": [
      -    "result"
      -  ],
      -  "type": "object"
      -}New value: +null
  5. Changed92 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 / PhoneFormat / properties / e164 / default
      Removed value: -""
    • removedOutput schema / $defs / PhoneFormat / properties / e164 / description
      Removed value: -"E.164 canonical format, e.g. '+14155552671'. Empty when parse fails."
    • removedOutput schema / $defs / PhoneFormat / properties / e164 / title
      Removed value: -"E164"
    • removedOutput schema / $defs / PhoneFormat / properties / international / default
      Removed value: -""
    • removedOutput schema / $defs / PhoneFormat / properties / international / description
      Removed value: -"Human-readable international format, e.g. '+1 415-555-2671'."
    • removedOutput schema / $defs / PhoneFormat / properties / international / title
      Removed value: -"International"
    • removedOutput schema / $defs / PhoneFormat / properties / national / default
      Removed value: -""
    • removedOutput schema / $defs / PhoneFormat / properties / national / description
      Removed value: -"Domestic format for the number's country, e.g. '(415) 555-2671'."
    • removedOutput schema / $defs / PhoneFormat / properties / national / title
      Removed value: -"National"
    • removedOutput schema / $defs / PhoneFormat / title
      Removed value: -"PhoneFormat"
    • removedOutput schema / $defs / PhoneLookupResponse / properties / carrier / default
      Removed value: -null
    • removedOutput schema / $defs / PhoneLookupResponse / properties / carrier / description
      Removed value: -"Carrier/network name from libphonenumber carrier DB. Excluded from the wire (response_model_exclude_none=True) when no carrier mapping exists for the region — inspect carrier_status to distinguish 'known' vs 'unsupported_region' (US/CA/GB and other MNP-restricted regions are commonly unsupported)."
    • removedOutput schema / $defs / PhoneLookupResponse / properties / carrier / title
      Removed value: -"Carrier"
    • removedOutput schema / $defs / PhoneLookupResponse / properties / carrier_status / default
      Removed value: -null
    • removedOutput schema / $defs / PhoneLookupResponse / properties / carrier_status / description
      Removed value: -"'known' when libphonenumber returned a carrier name; 'unsupported_region' when the carrier DB has no mapping for this region (do not treat the absent carrier field as evidence the number lacks a carrier — it just means we cannot identify it). Null on invalid/unparseable input."
    • removedOutput schema / $defs / PhoneLookupResponse / properties / carrier_status / title
      Removed value: -"Carrier Status"
    • removedOutput schema / $defs / PhoneLookupResponse / properties / country_code / default
      Removed value: -""
    • removedOutput schema / $defs / PhoneLookupResponse / properties / country_code / description
      Removed value: -"ISO 3166-1 alpha-2 region code (e.g. 'US', 'TR'). Empty when region cannot be inferred."
    • removedOutput schema / $defs / PhoneLookupResponse / properties / country_code / title
      Removed value: -"Country Code"
    • removedOutput schema / $defs / PhoneLookupResponse / properties / country_name / default
      Removed value: -""
    • removedOutput schema / $defs / PhoneLookupResponse / properties / country_name / description
      Removed value: -"Full country name from libphonenumber geocoder. Empty when region cannot be inferred."
    • removedOutput schema / $defs / PhoneLookupResponse / properties / country_name / title
      Removed value: -"Country Name"
    • removedOutput schema / $defs / PhoneLookupResponse / properties / error / default
      Removed value: -null
    • removedOutput schema / $defs / PhoneLookupResponse / properties / error / description
      Removed value: -"Parse/validation error message. Null on successful lookups."
    • removedOutput schema / $defs / PhoneLookupResponse / properties / error / title
      Removed value: -"Error"
    • removedOutput schema / $defs / PhoneLookupResponse / properties / format / default
      Removed value: -null
    • removedOutput schema / $defs / PhoneLookupResponse / properties / format / description
      Removed value: -"E.164, international, and national representations. Null when the number could not be parsed at all."
    • removedOutput schema / $defs / PhoneLookupResponse / properties / next_calls / default
      Removed value: -null
    • removedOutput schema / $defs / PhoneLookupResponse / 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 / PhoneLookupResponse / properties / next_calls / title
      Removed value: -"Next Calls"
    • removedOutput schema / $defs / PhoneLookupResponse / properties / number / default
      Removed value: -""
    • removedOutput schema / $defs / PhoneLookupResponse / properties / number / description
      Removed value: -"Echoed input, normalized. Prefer format.e164 for downstream lookups."
    • removedOutput schema / $defs / PhoneLookupResponse / properties / number / title
      Removed value: -"Number"
    • removedOutput schema / $defs / PhoneLookupResponse / properties / summary / default
      Removed value: -""
    • removedOutput schema / $defs / PhoneLookupResponse / properties / summary / description
      Removed value: -"One-line human summary, e.g. '+14155552671 United States mobile AT&T'."
    • removedOutput schema / $defs / PhoneLookupResponse / properties / summary / title
      Removed value: -"Summary"
    • removedOutput schema / $defs / PhoneLookupResponse / properties / timezone / description
      Removed value: -"IANA timezone identifiers associated with the number's geography (e.g. ['America/Los_Angeles'])."
    • removedOutput schema / $defs / PhoneLookupResponse / properties / timezone / title
      Removed value: -"Timezone"
    • removedOutput schema / $defs / PhoneLookupResponse / properties / type / default
      Removed value: -"unknown"
    • removedOutput schema / $defs / PhoneLookupResponse / properties / type / description
      Removed value: -"Phone number type: 'mobile', 'fixed_line', 'fixed_line_or_mobile', 'voip', 'toll_free', 'premium_rate', 'shared_cost', 'personal_number', 'pager', 'uan', or 'unknown'."
    • removedOutput schema / $defs / PhoneLookupResponse / properties / type / title
      Removed value: -"Type"
    • removedOutput schema / $defs / PhoneLookupResponse / properties / valid / default
      Removed value: -false
    • removedOutput schema / $defs / PhoneLookupResponse / properties / valid / description
      Removed value: -"True only when phonenumbers.is_valid_number() passes (correct length, valid prefix for region)."
    • removedOutput schema / $defs / PhoneLookupResponse / properties / valid / title
      Removed value: -"Valid"
    • removedOutput schema / $defs / PhoneLookupResponse / properties / verdict / default
      Removed value: -null
    • removedOutput schema / $defs / PhoneLookupResponse / 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 / PhoneLookupResponse / title
      Removed value: -"PhoneLookupResponse"
    • 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: -"phone_lookupOutput"
  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. 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"
      +]
  11. 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"
      +  },
      +  "PhoneFormat": {
      +    "properties": {
      +      "e164": {
      +        "default": "",
      +        "description": "E.164 canonical format, e.g. '+14155552671'. Empty when parse fails.",
      +        "title": "E164",
      +        "type": "string"
      +      },
      +      "international": {
      +        "default": "",
      +        "description": "Human-readable international format, e.g. '+1 415-555-2671'.",
      +        "title": "International",
      +        "type": "string"
      +      },
      +      "national": {
      +        "default": "",
      +        "description": "Domestic format for the number's country, e.g. '(415) 555-2671'.",
      +        "title": "National",
      +        "type": "string"
      +      }
      +    },
      +    "title": "PhoneFormat",
      +    "type": "object"
      +  },
      +  "PhoneLookupResponse": {
      +    "properties": {
      +      "carrier": {
      +        "anyOf": [
      +          {
      +            "type": "string"
      +          },
      +          {
      +            "type": "null"
      +          }
      +        ],
      +        "default": null,
      +        "description": "Carrier/network name from libphonenumber carrier DB. Excluded from the wire (response_model_exclude_none=True) when no carrier mapping exists for the region — inspect carrier_status to distinguish 'known' vs 'unsupported_region' (US/CA/GB and other MNP-restricted regions are commonly unsupported).",
      +        "title": "Carrier"
      +      },
      +      "carrier_status": {
      +        "anyOf": [
      +          {
      +            "enum": [
      +              "known",
      +              "unsupported_region"
      +            ],
      +            "type": "string"
      +          },
      +          {
      +            "type": "null"
      +          }
      +        ],
      +        "default": null,
      +        "description": "'known' when libphonenumber returned a carrier name; 'unsupported_region' when the carrier DB has no mapping for this region (do not treat the absent carrier field as evidence the number lacks a carrier — it just means we cannot identify it). Null on invalid/unparseable input.",
      +        "title": "Carrier Status"
      +      },
      +      "country_code": {
      +        "default": "",
      +        "description": "ISO 3166-1 alpha-2 region code (e.g. 'US', 'TR'). Empty when region cannot be inferred.",
      +        "title": "Country Code",
      +        "type": "string"
      +      },
      +      "country_name": {
      +        "default": "",
      +        "description": "Full country name from libphonenumber geocoder. Empty when region cannot be inferred.",
      +        "title": "Country Name",
      +        "type": "string"
      +      },
      +      "error": {
      +        "anyOf": [
      +          {
      +            "type": "string"
      +          },
      +          {
      +            "type": "null"
      +          }
      +        ],
      +        "default": null,
      +        "description": "Parse/validation error message. Null on successful lookups.",
      +        "title": "Error"
      +      },
      +      "format": {
      +        "anyOf": [
      +          {
      +            "$ref": "#/$defs/PhoneFormat"
      +          },
      +          {
      +            "type": "null"
      +          }
      +        ],
      +        "default": null,
      +        "description": "E.164, international, and national representations. Null when the number could not be parsed at all."
      +      },
      +      "next_calls": {
      +        "anyOf": [
      +          {
      +            "items": {
      +              "$ref": "#/$defs/PivotHint"
      +            },
      +            "type": "array"
      +          },
      +          {
      +            "type": "null"
      +          }
      +        ],
      +        "default": null,
      +        "description": "Suggested follow-up MCP tool calls. Ordered by relevance; agents should chain these without re-prompting the user.",
      +        "title": "Next Calls"
      +      },
      +      "number": {
      +        "default": "",
      +        "description": "Echoed input, normalized. Prefer format.e164 for downstream lookups.",
      +        "title": "Number",
      +        "type": "string"
      +      },
      +      "summary": {
      +        "default": "",
      +        "description": "One-line human summary, e.g. '+14155552671 United States mobile AT&T'.",
      +        "title": "Summary",
      +        "type": "string"
      +      },
      +      "timezone": {
      +        "description": "IANA timezone identifiers associated with the number's geography (e.g. ['America/Los_Angeles']).",
      +        "items": {
      +          "type": "string"
      +        },
      +        "title": "Timezone",
      +        "type": "array"
      +      },
      +      "type": {
      +        "default": "unknown",
      +        "description": "Phone number type: 'mobile', 'fixed_line', 'fixed_line_or_mobile', 'voip', 'toll_free', 'premium_rate', 'shared_cost', 'personal_number', 'pager', 'uan', or 'unknown'.",
      +        "title": "Type",
      +        "type": "string"
      +      },
      +      "valid": {
      +        "default": false,
      +        "description": "True only when phonenumbers.is_valid_number() passes (correct length, valid prefix for region).",
      +        "title": "Valid",
      +        "type": "boolean"
      +      },
      +      "verdict": {
      +        "anyOf": [
      +          {
      +            "$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."
      +      }
      +    },
      +    "title": "PhoneLookupResponse",
      +    "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": "#/$defs/PhoneLookupResponse"
      +  },
      +  {
      +    "$ref": "#/$defs/ErrorResponse"
      +  }
      +]
    • removedOutput schema / properties / result / type
      Removed value: -"string"
  12. Changed1 schema field changed
    • changedInput schema / properties / number / description
      Previous value: -"Phone number in E.164 format with country code (e.g. '+14155552671', '+905551234567', '+442071234567')"New value: +"Phone number in E.164 format: + followed by country code and number, no spaces or dashes. Examples: '+14155552671' (US), '+905551234567' (TR), '+442071234567' (UK). Wrong: '0555-123-4567', '(415) 555-2671'"
  13. First observed

TDQS

A4.6/5.0
Behavior5/5

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

Annotations already declare readOnly/idempotent behavior, but the description adds substantial behavioral detail beyond that: carrier is omitted from the wire for MNP-restricted regions, carrier_status must be read to distinguish 'known' from 'unsupported_region', and explicitly warns not to infer the number lacks a carrier. This is valuable, non-obvious behavior.

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 dense and front-loaded with purpose, then expands into use case, format, companion tools, rate limits, return shape, and an important edge case. Every sentence earns its place, though it is somewhat long. A tight, well-structured description.

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?

For a tool with one parameter and an output schema, the description covers return fields, edge cases (carrier omission, carrier_status semantics), rate limits, and usage context. The carrier_status nuance is essential for correctly interpreting results and is fully explained.

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?

Schema covers 100% of the single parameter (number) with format and examples. The description repeats the E.164 requirement but adds no new syntax or nuance beyond what the schema already provides. Baseline 3 applies since the schema does the heavy lifting.

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 a specific verb ('Validate and analyze') and resource ('phone number'), then enumerates attributes (country, region, carrier, line type, timezone, formatted versions). It distinguishes itself from sibling OSINT tools by framing it as a phone-specific lookup and referencing companion tools.

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?

States explicit use cases: 'verify phone legitimacy and detect fraud risks.' Mentions companion tools (username_lookup for social-platform handle correlation, email_disposable for throwaway-mail signal) as alternatives, giving the agent clear guidance on when to choose this tool over related ones. Also includes rate limits.

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

Try in Browser

Glama MCP Gateway

Add one secure layer between your agents and this server.