MERCATOR Verify

MERCATOR Verify: evidence-backed verification and decision support for autonomous agents.

Should I use this

Quality & Safety

A
Description quality
100%
Schema completeness
80%
Naming quality
80%
Poisoning risk
100%
Permission match
100%
Protocol compliance
100%

Based on automated analysis of tool definitions and protocol compliance.

Context Cost

~308Tokens (tool definitions)
~1.2 KBTypical response size
Minimal attention impact (0.24% of 128k context)

This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.

Install

One-Click Install

Add this to your `claude_desktop_config.json` file:

{
  "mcpServers": {
    "mercator-company-verification": {
      "url": "https://mercator-entity-evidence.fly.dev/mcp"
    }
  }
}

Remote endpoints

https://mercator-entity-evidence.fly.dev/mcpstreamable-http

What it can do

Tool inventory

Tools (2)

🟢 Read-only🟡 Write🔴 Delete⚪ Unknown
⚪entity_evidence(fields, domain, name, max_age_days)

Evidence-backed company facts and current company information for company enrichment and company verification, with field-level sources, freshness and explicit conflicts. Unevidenced fields return UNKNOWN rather than a guess. $0.10 per billable call via x402; a response adding nothing beyond the identifier you supplied is free.

Input Schema

{
  "type": "object",
  "properties": {
    "fields": {
      "items": {
        "type": "string"
      },
      "title": "Fields",
      "type": "array"
    },
    "domain": {
      "default": "",
      "title": "Domain",
      "type": "string"
    },
    "name": {
      "default": "",
      "title": "Name",
      "type": "string"
    },
    "max_age_days": {
      "default": 30,
      "title": "Max Age Days",
      "type": "integer"
    }
  },
  "required": [
    "fields"
  ],
  "title": "entity_evidenceArguments"
}
🟢entity_evidence_validate(fields, domain, name, max_age_days)

FREE preflight for entity_evidence: check a request and see the price and guarantees before paying. Retrieves nothing and costs nothing.

Input Schema

{
  "type": "object",
  "properties": {
    "fields": {
      "items": {
        "type": "string"
      },
      "title": "Fields",
      "type": "array"
    },
    "domain": {
      "default": "",
      "title": "Domain",
      "type": "string"
    },
    "name": {
      "default": "",
      "title": "Name",
      "type": "string"
    },
    "max_age_days": {
      "default": 30,
      "title": "Max Age Days",
      "type": "integer"
    }
  },
  "required": [
    "fields"
  ],
  "title": "entity_evidence_validateArguments"
}

Output Schema

{
  "type": "object",
  "properties": {
    "result": {
      "title": "Result",
      "type": "string"
    }
  },
  "required": [
    "result"
  ],
  "title": "entity_evidence_validateOutput"
}

Community

Rate this Server

Evidence

Recent observations

verifiedversion not recorded2 tools
verifiedversion not recorded2 tools
verifiedversion not recorded2 tools