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