FACTRAIL
Server Details
Evidence infrastructure for agents: source-backed company verification and beta import assessment.
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- Status
- Unhealthy
- Uptime
- 88.4% over 40 days
- Last Tested
- Transport
- Streamable HTTP
- URL
- Repository
- baronsigma/factrail
- GitHub Stars
- 0
- Server Listing
- FACTRAIL
- ChatGPT
- –
- Claude
- –
TDQS
Scored across 7 tools
The three active tools (factrail_assess, factrail_verify, factrail_capabilities) have distinct purposes: import assessment vs. company verification vs. capability discovery. However, the three deprecated tools (analyze_company, assess_import, verify_french_company) are explicit aliases of factrail_verify and factrail_assess respectively, creating intentional overlap that could confuse agents without careful reading.
The active tools follow a 'factrail_' prefix with mixed verb/noun structure (factrail_assess, factrail_verify, factrail_capabilities, factrail_get_receipt), which is fairly consistent. But the deprecated tools use entirely different conventions (analyze_company, assess_import, verify_french_company) with no prefix, breaking the pattern.
Seven tools is a reasonable number for the scope, but three of them are deprecated compatibility shims, leaving only four unique operations. This makes the effective tool surface feel thin and cluttered with legacy aliases.
The active tools cover capability discovery, company verification, import assessment, and result auditing, which is a coherent core. However, the deprecated tools expose unavailable data (financial/credit) or partial results, and there is no clear CRUD or lifecycle management beyond verify/assess/get_receipt.
Tool Schema Changelog
Recent tool additions, removals, and schema changes observed during successful MCP inspections.
5 tool updates
- Changed
analyze_company1 field changed- changed
Input schema / properties / company_name / descriptionPrevious value: -"Company legal name for lookup."New value: +"Optional caller-provided display name; it is echoed without verification."
- Changed
factrail_assess4 fields changed- added
Input schema / properties / parameters / properties / assessment_dateAdded value: +{ + "anyOf": [ + { + "format": "date", + "type": "string" + }, + { + "type": "null" + } + ], + "default": null, + "description": "Optional TARIC effective/simulation date; availability depends on the installed snapshot.", + "title": "Assessment Date" +} - added
Output schema / $defs / Fact / properties / support_levelAdded value: +{ + "$ref": "#/$defs/SupportLevel", + "default": "supported" +} - added
Output schema / $defs / SupportLevelAdded value: +{ + "description": "How strongly a fact is supported, independent of numeric confidence.", + "enum": [ + "authoritative", + "supported", + "derived_supported", + "derived_provisional", + "curated", + "caller_input" + ], + "title": "SupportLevel", + "type": "string" +} - changed
Output schema / properties / schema_version / defaultPrevious value: -"1.1"New value: +"1.2"
- Added
factrail_capabilities - Changed
factrail_get_receipt3 fields changed- added
Output schema / $defs / Fact / properties / support_levelAdded value: +{ + "$ref": "#/$defs/SupportLevel", + "default": "supported" +} - added
Output schema / $defs / SupportLevelAdded value: +{ + "description": "How strongly a fact is supported, independent of numeric confidence.", + "enum": [ + "authoritative", + "supported", + "derived_supported", + "derived_provisional", + "curated", + "caller_input" + ], + "title": "SupportLevel", + "type": "string" +} - changed
Output schema / properties / schema_version / defaultPrevious value: -"1.1"New value: +"1.2"
- Changed
factrail_verify3 fields changed- added
Output schema / $defs / Fact / properties / support_levelAdded value: +{ + "$ref": "#/$defs/SupportLevel", + "default": "supported" +} - added
Output schema / $defs / SupportLevelAdded value: +{ + "description": "How strongly a fact is supported, independent of numeric confidence.", + "enum": [ + "authoritative", + "supported", + "derived_supported", + "derived_provisional", + "curated", + "caller_input" + ], + "title": "SupportLevel", + "type": "string" +} - changed
Output schema / properties / schema_version / defaultPrevious value: -"1.1"New value: +"1.2"
4 tool updates
- Added
analyze_company - Added
factrail_assess - Added
factrail_get_receipt - Added
factrail_verify
1 tool update
- Added
assess_import
1 tool update
- First observed
verify_french_company
Publisher details
- Operator
- Unknown
- Operator website
- https://factrail.online · Publisher source
- Vendor relationship
- Not available
- Documentation
- Not available
- Trust center
- Not available
- Restrictions
- Not available
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