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Open dataset

410 agent records with source URLs and last-checked dates, plus 516 Verified · 11 registry-listed compliance audit firms. Licence: CC-BY-4.0. Free to download with no sign-up.

Download agents.json Download auditors.json

The JSON files, /llms.txt, /api/search and /api/mcp are openly accessible. No email is required.

Official Open Dataset Mirrors & DOI Citation

Cite as: Agent Index (https://theagentindex.io) — DOI: 10.5281/zenodo.23604511. Concept DOI: 10.5281/zenodo.23604510.

Public Search API (/api/search) & Model Context Protocol (MCP) Server (/api/mcp)

Read-only, CORS-open endpoints over the same static datasets. No API key. Licence CC BY 4.0 — please cite the DOI.

Search API

Query parameters: q, type (all | agents | auditors), category, framework, country / region, accreditation, limit (default 20, max 100).

curl "https://theagentindex.io/api/search?q=soc+2&type=all"
curl "https://theagentindex.io/api/search?type=auditors&framework=ISO+27001&accreditation=ANAB&limit=10"

MCP server (Cursor / Claude Desktop)

Streamable HTTP JSON-RPC 2.0 at https://theagentindex.io/api/mcp. Tools: search_agents, get_agent, search_auditors, get_auditor, compare_agents. GET /api/mcp returns a discovery document.

Cursor mcp.json

{
  "mcpServers": {
    "agent-index": {
      "url": "https://theagentindex.io/api/mcp"
    }
  }
}

Claude Desktop mcp.json

{
  "mcpServers": {
    "agent-index": {
      "type": "http",
      "url": "https://theagentindex.io/api/mcp"
    }
  }
}

Related: Check an Auditor · Compliance deadlines calendar · Read the State of AI Compliance & Audit report.

How to cite

Agent Index (https://theagentindex.io) — DOI: 10.5281/zenodo.23604511. Agents v0.1.27, auditors v0.1.32.

Auditor listings (separate file): auditors.json — 516 Verified · 11 registry-listed compliance audit firms (listing_tier is Verified or registry-listed). Each record includes a government_body boolean (true for STQC, C-DAC, NSAI and the Standards Institution of Israel). Facts only; not endorsements.

Changelog