{
  "$schema": "https://public-agents.com/schemas/tool.schema.json",
  "schemaVersion": 1,
  "slug": "exa-mcp",
  "name": "Exa MCP",
  "kind": "service",
  "status": "active",
  "summary": "Exa's hosted MCP server for its web search index: web search and page fetching for any MCP client, with a documented keyless mode ('Free rate-limited usage without sign-in or API key'), an opt-in advanced search, and an agent_run tool for multi-step research, list-building and enrichment that needs OAuth or an API key. Measured keyless on 2026-10-03: two default tools listed and both answered with content; naming agent_run in the URL turns the handshake into a 401.",
  "vendor": {
    "name": "Exa Labs, Inc.",
    "url": "https://exa.ai/",
    "kind": "organization"
  },
  "license": "MIT (server source); hosted service under the Terms",
  "pricing": "freemium",
  "agentAccess": {
    "noAccountNeeded": true,
    "auth": "none",
    "notes": "Measured keyless 2026-10-03: initialize 200 (exa-search-server 3.2.1, session id issued, not required), tools/list 200 with web_search_exa and web_fetch_exa, both answered 200 with content; advanced search listed on opt-in; asking for agent_run answers 401. Free rate limit, number unstated."
  },
  "payments": {
    "machinePayable": true,
    "protocols": [
      "mpp",
      "x402"
    ],
    "methods": [
      "stablecoin"
    ],
    "humanBilling": "card-on-file",
    "priceList": "https://exa.ai/pricing",
    "notes": "Read 2026-10-03/04. MCP keyless use is free. REST /search keyless: 402 with x402 v2 (USDC 7000 units, the documented $0.007; Base, Solana, World Chain, Arc) and an MPP tempo challenge, both vendor-documented. Starter: $10 credits a month, no payment method. PAYG 'Pay via card or bank account'."
  },
  "surfaces": {
    "homepage": "https://exa.ai/mcp",
    "docs": "https://exa.ai/docs/get-started/exa-mcp",
    "llmsTxt": "https://exa.ai/llms.txt",
    "skills": [
      "https://exa.ai/docs/skill.md"
    ],
    "mcp": "https://mcp.exa.ai/mcp",
    "api": null,
    "openapi": "https://exa.ai/docs/exa-spec.yaml",
    "source": "https://github.com/exa-labs/exa-mcp-server"
  },
  "social": {
    "github": "exa-labs"
  },
  "domains": [
    "exa.ai",
    "mcp.exa.ai"
  ],
  "maintainers": [],
  "provenance": "third-party",
  "jobs": [
    {
      "job": "sales.enrich-leads",
      "summary": "The vendor's words: agent_run does 'list-building, enrichment, and structured output'; its GTM enrichment cookbook (REST API) searches companies 'for funding, headquarters, employees, and product' and emits industry, headquarters and funding fields. Not measured: 401 on the server, 402 on the API.",
      "source": "https://exa.ai/docs/integrations/payments/mpp/gtm-enrichment"
    }
  ],
  "created": "2026-10-03",
  "updated": "2026-10-04",
  "version": 1
}