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fahali_get_flash_crash_risk

Read-onlyIdempotent

Detect current flash-crash precursor activity and identify affected symbols across instruments, returning risk strength scores and withheld-row details so you can review market instability signals before stating direction.

Instructions

Current flash-crash precursor activity and affected symbols. The strength value is an uncalibrated detection score, not the probability of a crash. Use the canonical market verdict before stating direction, and the matched judged record before stating performance.

Tool call template

This tool declares no required parameters. Add optional parameters from the input schema as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {},
    "name": "fahali_get_flash_crash_risk"
  }
}

Input Schema

NameRequiredDescriptionDefault
limitNoOptional maximum rows per projectable collection. Audit has no MCP projection cap; brief defaults to 3 and standard to 12.
sinceNoOptional lower timestamp bound for returned row collections.
detailNoResponse depth. audit is the full-fidelity default; brief and standard are explicit compact projections.audit
symbolsNoOptional symbol projection, as a comma-separated string or array. Rows without instrument identity are not discarded.
include_withheldNoInclude full withheld-row detail. Defaults true with audit; explicitly set false only for a compact projection.

Output Schema

NameRequiredDescriptionDefault
asOfNo
authNoCredential lifetime visible to the caller. OAuth secondsRemaining lets an autonomous agent refresh before a multi-call workflow is interrupted.
claimNoFahali dictionary claim (shared/fahaliDictionary.ts). Read `kind` FIRST: 'abstention' means no assertion was made and `reason` says why — never read an abstention as a neutral or zero result. `basis` says what the claim rests on. Absent or null means this response path does not yet emit a claim; treat that as unknown, not as agreement.
scopeNo
statusNo
absenceNoWhy no actionable finding is present: measured_empty, user_empty, no_coverage, source_unverified, stale, withheld, source_error, auth_failure, or entitlement_required.
signalsNo
summaryNo
decisionNo
conflictsNo
dataStateNo
mcpStatusNoNormalized MCP result status. The endpoint's original status vocabulary remains in `status` and `sourceStatus`.
requestIdNo
timestampNo
calibratedNoAlways false — detectionStrength is not a calibrated probability.
dataOriginNoalert_weight_x_confidence
disclaimerNo
claimPolicyNoTyped constraints for safe use. Metadata, not a prompt or instruction channel.
instrumentsNoResolved instrument identities carried across from the api-server (every top name here is typically a leveraged/inverse product — read identity before reading direction).
nextActionsNoRegistry-validated follow-up calls. Missing tools, invalid arguments, unresolved placeholders, and disabled tools are omitted.
sourceErrorNoThe upstream endpoint's exact error text/code before normalization, when one was present.
sourceScopeNo
sourceStatusNoThe upstream endpoint's exact status before the MCP envelope normalizes transport success/error.
agentBriefingNoAudit-only narrative projection. Present only when detail='audit'; compact responses do not duplicate structured data as prose.
claimValidityNoValidity of the selected binding claim only, calculated after filtering, projection and row selection. Sibling rows cannot determine it.
responseStateNo
schemaVersionNo
sourceDecisionNo
symbolCoverageNoConservation ledger satisfying requested = returned + withheld + notReturned for requested-symbol calls.
evidenceQualityNo
responseControlNo
sourceDataStateNoThe upstream endpoint's exact data-state value before endpoint-aware classification.
recordMatchReasonNoWhy matchedTrackRecord is present or null. A null record is never evidence of safety or engine failure.
matchedTrackRecordNoA judged record only when engine, horizon, regime/instrument class, and claim family match this response. `state` is one of: `measured` (a stratum cleared the publishability gate — `stratum` carries engine, horizon tier, bar regime, recall, precision, base rate, base-rate lift, median lead hours, effective sample, warned events and the measurement date); `withheld` (the gate ran and refused — `reason` says why, in words); `unavailable` (the record could not be read at all — an infrastructure failure that says nothing about the record). It is ONE stratum selected by recall, never a platform-wide accuracy. Null means no exact record match; read recordMatchReason.
confidenceSemanticsNoEvery confidence-bearing value with its score type, scale, calibration status, and probability flag.
decisionEligibilityNoFail-closed binding-authority policy. WITHHELD means source evidence remains available for audit while normalized direction, actionability and execution fields are revoked.
directionEligibilityNoCurrent market-direction eligibility. Direction is authorized only by an exact, eligible producer stratum (canonical_verdict, canonical_symbol_verdict, committee_verdict) — read bindingAuthority to see which one bound. Widening WHO may bind did not weaken WHAT binding requires: the named producer must still hold a matching horizon/class/family record on a verified-only judged population, so an authority without a record still cannot bind.
executionEligibilityNoFail-closed execution boundary. Portfolio monitoring tools always return WITHHELD with MONITOR_ONLY_NO_EXECUTION_AUTHORITY while Fahali has no capital path.
monitoringEligibilityNoCurrent portfolio-monitoring validity based on captured identity, freshness, integrity, and the caller-supplied monitoring policy. ELIGIBLE authorizes observation/delivery only, never financial action.
sourceEvidenceQualityNo
currentActionEligibilityNoCurrent eligibility of an immutable historical portfolio verdict. It never mutates the stored judgment being replayed.
sourceConfidenceSemanticsNo

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed6 schema fields changedv1.28.1
    • addedInput schema / properties / detail
      Added value: +{
      +  "default": "audit",
      +  "description": "Response depth. audit is the full-fidelity default; brief and standard are explicit compact projections.",
      +  "enum": [
      +    "brief",
      +    "standard",
      +    "audit"
      +  ],
      +  "type": "string"
      +}
    • addedInput schema / properties / include_withheld
      Added value: +{
      +  "default": true,
      +  "description": "Include full withheld-row detail. Defaults true with audit; explicitly set false only for a compact projection.",
      +  "type": "boolean"
      +}
    • addedInput schema / properties / limit
      Added value: +{
      +  "description": "Optional maximum rows per projectable collection. Audit has no MCP projection cap; brief defaults to 3 and standard to 12.",
      +  "maximum": 100,
      +  "minimum": 1,
      +  "type": "integer"
      +}
    • addedInput schema / properties / since
      Added value: +{
      +  "description": "Optional lower timestamp bound for returned row collections.",
      +  "format": "date-time",
      +  "type": "string"
      +}
    • addedInput schema / properties / symbols
      Added value: +{
      +  "description": "Optional symbol projection, as a comma-separated string or array. Rows without instrument identity are not discarded.",
      +  "items": {
      +    "type": "string"
      +  },
      +  "type": [
      +    "string",
      +    "array"
      +  ]
      +}
    • changedOutput schema / (root)
      Previous value: -nullNew value: +{
      +  "properties": {
      +    "absence": {
      +      "description": "Why no actionable finding is present: measured_empty, user_empty, no_coverage, source_unverified, stale, withheld, source_error, auth_failure, or entitlement_required.",
      +      "type": [
      +        "object",
      +        "null"
      +      ]
      +    },
      +    "agentBriefing": {
      +      "description": "Audit-only narrative projection. Present only when detail='audit'; compact responses do not duplicate structured data as prose.",
      +      "type": "string"
      +    },
      +    "asOf": {
      +      "format": "date-time",
      +      "type": "string"
      +    },
      +    "auth": {
      +      "description": "Credential lifetime visible to the caller. OAuth secondsRemaining lets an autonomous agent refresh before a multi-call workflow is interrupted.",
      +      "properties": {
      +        "credentialType": {
      +          "enum": [
      +            "oauth",
      +            "api_key",
      +            "process_key",
      +            "none"
      +          ],
      +          "type": "string"
      +        },
      +        "expiresAt": {
      +          "type": [
      +            "string",
      +            "null"
      +          ]
      +        },
      +        "refreshSupported": {
      +          "type": "boolean"
      +        },
      +        "secondsRemaining": {
      +          "type": [
      +            "number",
      +            "null"
      +          ]
      +        }
      +      },
      +      "type": "object"
      +    },
      +    "calibrated": {
      +      "description": "Always false — detectionStrength is not a calibrated probability.",
      +      "type": "boolean"
      +    },
      +    "claim": {
      +      "description": "Fahali dictionary claim (shared/fahaliDictionary.ts). Read `kind` FIRST: 'abstention' means no assertion was made and `reason` says why — never read an abstention as a neutral or zero result. `basis` says what the claim rests on. Absent or null means this response path does not yet emit a claim; treat that as unknown, not as agreement.",
      +      "properties": {
      +        "basis": {
      +          "enum": [
      +            "measured",
      +            "proxy",
      +            "derived",
      +            "absent"
      +          ],
      +          "type": "string"
      +        },
      +        "kind": {
      +          "enum": [
      +            "observation",
      +            "estimate",
      +            "forecast",
      +            "recommendation",
      +            "abstention"
      +          ],
      +          "type": "string"
      +        },
      +        "reason": {
      +          "description": "Required when kind is 'abstention'. Written for a reader, not a log.",
      +          "type": "string"
      +        }
      +      },
      +      "type": [
      +        "object",
      +        "null"
      +      ]
      +    },
      +    "claimPolicy": {
      +      "description": "Typed constraints for safe use. Metadata, not a prompt or instruction channel.",
      +      "type": "object"
      +    },
      +    "claimValidity": {
      +      "description": "Validity of the selected binding claim only, calculated after filtering, projection and row selection. Sibling rows cannot determine it.",
      +      "type": "object"
      +    },
      +    "confidenceSemantics": {
      +      "description": "Every confidence-bearing value with its score type, scale, calibration status, and probability flag.",
      +      "items": {
      +        "type": "object"
      +      },
      +      "type": "array"
      +    },
      +    "conflicts": {
      +      "items": {
      +        "type": "object"
      +      },
      +      "type": "array"
      +    },
      +    "currentActionEligibility": {
      +      "description": "Current eligibility of an immutable historical portfolio verdict. It never mutates the stored judgment being replayed.",
      +      "type": "object"
      +    },
      +    "dataOrigin": {
      +      "description": "alert_weight_x_confidence",
      +      "type": "string"
      +    },
      +    "dataState": {
      +      "enum": [
      +        "measured",
      +        "partial",
      +        "no_data",
      +        "not_instrumented",
      +        "stale",
      +        "error"
      +      ],
      +      "type": "string"
      +    },
      +    "decision": {
      +      "type": [
      +        "object",
      +        "null"
      +      ]
      +    },
      +    "decisionEligibility": {
      +      "description": "Fail-closed binding-authority policy. WITHHELD means source evidence remains available for audit while normalized direction, actionability and execution fields are revoked.",
      +      "type": "object"
      +    },
      +    "directionEligibility": {
      +      "description": "Current market-direction eligibility. Direction is authorized only by an exact, eligible producer stratum (canonical_verdict, canonical_symbol_verdict, committee_verdict) — read bindingAuthority to see which one bound. Widening WHO may bind did not weaken WHAT binding requires: the named producer must still hold a matching horizon/class/family record on a verified-only judged population, so an authority without a record still cannot bind.",
      +      "type": "object"
      +    },
      +    "disclaimer": {
      +      "type": "string"
      +    },
      +    "evidenceQuality": {
      +      "type": "object"
      +    },
      +    "executionEligibility": {
      +      "description": "Fail-closed execution boundary. Portfolio monitoring tools always return WITHHELD with MONITOR_ONLY_NO_EXECUTION_AUTHORITY while Fahali has no capital path.",
      +      "type": "object"
      +    },
      +    "instruments": {
      +      "description": "Resolved instrument identities carried across from the api-server (every top name here is typically a leveraged/inverse product — read identity before reading direction).",
      +      "items": {
      +        "type": "object"
      +      },
      +      "type": "array"
      +    },
      +    "matchedTrackRecord": {
      +      "description": "A judged record only when engine, horizon, regime/instrument class, and claim family match this response. `state` is one of: `measured` (a stratum cleared the publishability gate — `stratum` carries engine, horizon tier, bar regime, recall, precision, base rate, base-rate lift, median lead hours, effective sample, warned events and the measurement date); `withheld` (the gate ran and refused — `reason` says why, in words); `unavailable` (the record could not be read at all — an infrastructure failure that says nothing about the record). It is ONE stratum selected by recall, never a platform-wide accuracy. Null means no exact record match; read recordMatchReason.",
      +      "properties": {
      +        "dataAsOf": {
      +          "description": "When the record was computed. A figure without this reads as current forever.",
      +          "type": "string"
      +        },
      +        "reason": {
      +          "description": "Present on `withheld` and `unavailable`: why there is no figure.",
      +          "type": "string"
      +        },
      +        "state": {
      +          "enum": [
      +            "measured",
      +            "withheld",
      +            "unavailable"
      +          ],
      +          "type": "string"
      +        },
      +        "stratum": {
      +          "description": "Present only on `measured`. Precision must never be quoted without recall.",
      +          "properties": {
      +            "barRegime": {
      +              "type": "string"
      +            },
      +            "baseRatePct": {
      +              "type": "number"
      +            },
      +            "claimFamily": {
      +              "description": "What this precision is ABOUT: `directional` (price moved the way the stratum said) or `magnitude` (a move exceeded the judge bar, carrying no direction). Never infer a direction from a `magnitude` row.",
      +              "type": "string"
      +            },
      +            "claimMeans": {
      +              "description": "The record endpoint's own sentence explaining the claim family. Quote it beside any precision figure.",
      +              "type": "string"
      +            },
      +            "effectiveSample": {
      +              "type": "number"
      +            },
      +            "engine": {
      +              "type": "string"
      +            },
      +            "horizonTier": {
      +              "type": "string"
      +            },
      +            "leadMedianHours": {
      +              "type": "number"
      +            },
      +            "measuredOn": {
      +              "type": "string"
      +            },
      +            "precisionPct": {
      +              "description": "Share of its warnings that held. Never quotable alone.",
      +              "type": "number"
      +            },
      +            "recallPct": {
      +              "description": "Share of qualifying events this stratum warned on — the half a buyer is exposed to.",
      +              "type": "number"
      +            },
      +            "warnedEvents": {
      +              "type": "number"
      +            }
      +          },
      +          "type": "object"
      +        }
      +      },
      +      "required": [
      +        "state"
      +      ],
      +      "type": [
      +        "object",
      +        "null"
      +      ]
      +    },
      +    "mcpStatus": {
      +      "description": "Normalized MCP result status. The endpoint's original status vocabulary remains in `status` and `sourceStatus`.",
      +      "enum": [
      +        "ok",
      +        "error"
      +      ],
      +      "type": "string"
      +    },
      +    "monitoringEligibility": {
      +      "description": "Current portfolio-monitoring validity based on captured identity, freshness, integrity, and the caller-supplied monitoring policy. ELIGIBLE authorizes observation/delivery only, never financial action.",
      +      "type": "object"
      +    },
      +    "nextActions": {
      +      "description": "Registry-validated follow-up calls. Missing tools, invalid arguments, unresolved placeholders, and disabled tools are omitted.",
      +      "items": {
      +        "properties": {
      +          "args": {
      +            "additionalProperties": {
      +              "type": "string"
      +            },
      +            "type": "object"
      +          },
      +          "requiredTier": {
      +            "type": "string"
      +          },
      +          "tool": {
      +            "type": "string"
      +          },
      +          "why": {
      +            "type": "string"
      +          }
      +        },
      +        "required": [
      +          "tool",
      +          "why"
      +        ],
      +        "type": "object"
      +      },
      +      "type": "array"
      +    },
      +    "recordMatchReason": {
      +      "description": "Why matchedTrackRecord is present or null. A null record is never evidence of safety or engine failure.",
      +      "type": "string"
      +    },
      +    "requestId": {
      +      "type": "string"
      +    },
      +    "responseControl": {
      +      "type": "object"
      +    },
      +    "responseState": {
      +      "enum": [
      +        "OK_WITH_FINDINGS",
      +        "OK_NO_FINDINGS",
      +        "PARTIAL",
      +        "WITHHELD",
      +        "NO_COVERAGE",
      +        "ERROR"
      +      ],
      +      "type": "string"
      +    },
      +    "schemaVersion": {
      +      "enum": [
      +        "2.0"
      +      ],
      +      "type": "string"
      +    },
      +    "scope": {
      +      "type": "object"
      +    },
      +    "signals": {
      +      "items": {
      +        "properties": {
      +          "detectionStrength": {
      +            "description": "0-1 UNCALIBRATED signal strength (risk_weight × confidence), NOT P(crash).",
      +            "type": "number"
      +          },
      +          "detectionStrengthPct": {
      +            "type": "number"
      +          },
      +          "precursorType": {
      +            "type": [
      +              "string",
      +              "null"
      +            ]
      +          },
      +          "severity": {
      +            "type": "string"
      +          },
      +          "symbol": {
      +            "type": "string"
      +          }
      +        },
      +        "type": "object"
      +      },
      +      "type": "array"
      +    },
      +    "sourceConfidenceSemantics": {
      +      "type": [
      +        "array",
      +        "object",
      +        "null"
      +      ]
      +    },
      +    "sourceDataState": {
      +      "description": "The upstream endpoint's exact data-state value before endpoint-aware classification.",
      +      "type": [
      +        "string",
      +        "null"
      +      ]
      +    },
      +    "sourceDecision": {
      +      "type": [
      +        "object",
      +        "null"
      +      ]
      +    },
      +    "sourceError": {
      +      "description": "The upstream endpoint's exact error text/code before normalization, when one was present.",
      +      "type": [
      +        "string",
      +        "null"
      +      ]
      +    },
      +    "sourceEvidenceQuality": {
      +      "type": [
      +        "object",
      +        "null"
      +      ]
      +    },
      +    "sourceScope": {
      +      "type": [
      +        "object",
      +        "null"
      +      ]
      +    },
      +    "sourceStatus": {
      +      "description": "The upstream endpoint's exact status before the MCP envelope normalizes transport success/error.",
      +      "type": [
      +        "string",
      +        "null"
      +      ]
      +    },
      +    "status": {
      +      "type": "string"
      +    },
      +    "summary": {
      +      "properties": {
      +        "note": {
      +          "type": [
      +            "string",
      +            "null"
      +          ]
      +        },
      +        "precursorConcentrationPct": {
      +          "type": [
      +            "number",
      +            "null"
      +          ]
      +        },
      +        "topDetectionStrengthPct": {
      +          "type": [
      +            "number",
      +            "null"
      +          ]
      +        },
      +        "topSymbol": {
      +          "description": "Null whenever the leader is not separated from second place — the name is withheld and the tie size is reported instead.",
      +          "type": [
      +            "string",
      +            "null"
      +          ]
      +        },
      +        "topSymbolTiedCount": {
      +          "description": "How many symbols share the top detection strength when topSymbol is withheld.",
      +          "type": [
      +            "integer",
      +            "null"
      +          ]
      +        },
      +        "topSymbolWithheld": {
      +          "description": "True when no single leader could be named.",
      +          "type": [
      +            "boolean",
      +            "null"
      +          ]
      +        }
      +      },
      +      "type": "object"
      +    },
      +    "symbolCoverage": {
      +      "description": "Conservation ledger satisfying requested = returned + withheld + notReturned for requested-symbol calls.",
      +      "type": "object"
      +    },
      +    "timestamp": {
      +      "type": [
      +        "string",
      +        "integer",
      +        "number"
      +      ]
      +    }
      +  },
      +  "type": "object"
      +}
  2. Addedv1.5.3

TDQS

A4/5.0
Behavior4/5

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

Annotations already cover the safety profile (readOnly, idempotent, non-destructive), so the bar is lower — and the description still adds real value by warning that the strength value is an uncalibrated detection score rather than a crash probability, which prevents the most likely misinterpretation. It doesn't discuss row volume, withholding behavior, or freshness, which are handled elsewhere.

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?

Three sentences, front-loaded with what is returned, then the two caveats that matter. Mostly efficient, though 'matched judged record' is internal jargon that costs the agent a little parsing effort.

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?

An output schema exists, so return shape needn't be described, and annotations cover safety. What remains — the interpretive limits of the headline score and the corroboration path — is exactly what the description supplies.

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 description coverage is 100%, so limit, since, detail, symbols, and include_withheld are all documented in the schema itself. The description adds nothing about parameter behavior, so the baseline 3 applies.

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

Purpose4/5

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

States a specific resource — current flash-crash precursor activity — and what comes with it (affected symbols), which is distinct from the risk-score, sentiment, and detection-activity siblings. It doesn't explicitly name which sibling to prefer when precursor activity overlaps with market risk, so it falls short of full differentiation.

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

Usage Guidelines4/5

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

Gives concrete downstream routing: consult the canonical market verdict before asserting direction and the matched judged record before asserting performance. That is clear guidance on interpretation and cross-tool sequencing, but it doesn't state when to call this tool instead of get_market_risk_score or get_detection_activity.

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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