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CompanyProof

by companyproof.ai · remote · no sign-in to list tools · v1.2.1 · published by ai.companyproof

Find legal companies, retrieve registry profiles and verify company facts with source evidence.

Changes · 1
CompareRegistry entry

3 tools: 1 change things and 2 only read.

Scanned Oct 21, 2026

1 check matched something in the tool definitions. No finding is not a safety guarantee. How the checks work.

claude mcp add --transport http companyproof https://companyproof.ai/v2/mcp

Findings

Matches of fixed checks, with the text they matched.

1 warn
  • Warnverify_company_claims

    The server marks "verify_company_claims" as not read-only (readOnlyHint: false), and its words say it reads.

    Matched text

    annotations: {"readOnlyHint":false,"destructiveHint":false,"idempotentHint":false,"openWorldHint":true}; The description's first verb is "resolve": a word for reading.

    What this check looks for

Tools

Open a tool for its reasons and full description. Descriptions are the publisher's own words, shown as they are.

3 tools

Changes things 1Claude Code: ask
  • verify_company_claimsResolve a company, compare supported claims with current company evidence, preserve a proof record, and optionally monitor verified claims for change.1 finding

    Why it is in this group

    • The description's first verb is "resolve": a word for reading.
    • The server marks it as not read-only (readOnlyHint: false).

    Findings

    • Warn

      The server marks "verify_company_claims" as not read-only (readOnlyHint: false), and its words say it reads.

      Matched text

      annotations: {"readOnlyHint":false,"destructiveHint":false,"idempotentHint":false,"openWorldHint":true}; The description's first verb is "resolve": a word for reading.

      What this check looks for
    Description, as the server wrote it
    Resolve a company, compare supported claims with current company evidence, preserve a proof record, and optionally monitor verified claims for change. This call consumes normal CompanyProof claim credits and writes to the account evidence ledger.

    Annotations the server declares

    • readOnlyHint: false
    • destructiveHint: false
    • idempotentHint: false
    • openWorldHint: true
Only reads 2Claude Code: allow
  • get_company_profileRetrieve a CompanyProof company profile and enrichment payload by the opaque company ID returned from search_companies.No findings

    Why it is in this group

    • The name "get_company_profile" says "get": a word for reading.
    Description, as the server wrote it
    Retrieve a CompanyProof company profile and enrichment payload by the opaque company ID returned from search_companies. This read-only operation requires an active CompanyProof evaluation or paid plan and live account access, and consumes one shared claim credit.

    Annotations the server declares

    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: true
  • search_companiesFind ranked CompanyProof company matches by name, registration number, VAT/tax identifier or ticker, optionally narrowed by subdivision and city/state.No findings

    Why it is in this group

    • The name "search_companies" says "search": a word for reading.
    Description, as the server wrote it
    Find ranked CompanyProof company matches by name, registration number, VAT/tax identifier or ticker, optionally narrowed by subdivision and city/state. This read-only operation requires an active CompanyProof evaluation or paid plan and live account access, and consumes one shared claim credit.

    Annotations the server declares

    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: true

This is not a safety rating, and no finding is not a safety guarantee. The groups and findings come from fixed checks of the tool definitions the server returned on the date shown, not from its code or what it does when called. How the checks work.

Install

Pinned to version 1.2.1. Values in angle brackets are yours to fill in.

claude mcp add --transport http companyproof https://companyproof.ai/v2/mcp

Run in a terminal.

Claude Code permissions

Allow the reads, ask before a change, deny the deletes. Paste into .claude/settings.json.

.claude/settings.json
{
  "permissions": {
    "allow": [
      "mcp__companyproof__search_companies",
      "mcp__companyproof__get_company_profile"
    ],
    "ask": [
      "mcp__companyproof__verify_company_claims"
    ],
    "deny": []
  }
}

Tools that only read are allowed, tools that change things ask first, tools that delete or cancel are denied. It assumes the server is installed as companyproof. Review it before you use it.