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PublicAPIs.io

MCP serverVerified domain · publicapis.ioRemote● LiveFree to try

Search 1,500+ public APIs with docs, code and auth/free-tier filters; list or sponsor your API.

Install

Remote server: your requests and data go to publicapis.io. Claude Code: claude mcp add --transport http publicapis-io https://publicapis.io/mcp · Claude app: Settings → Connectors → Add custom connector.

What it can do

The tools this server listed when we connected to it, in its own words.

  • search_apis — Find a public API or data source for a task: use this whenever the user (or your code) needs an API, dataset or third-party service, e.g. we
  • get_api — Everything about one API by slug (from search_apis): documentation summary, endpoints, auth, pricing and links. Use before writing integrati
  • get_quickstart — Ready-to-run example code for calling an API, in javascript, python or curl. Use when you are about to integrate an API into code. Verified
  • compare_apis — Compare 2-5 APIs side by side (auth, free tier, HTTPS, pricing, docs summary) to choose one. Pass slugs from search_apis.
  • list_offerings — Ways to get an API listed or sponsored on PublicAPIs.io, with fixed prices, current sponsorship availability and the rules.
  • start_deal — Open a conversation with the PublicAPIs.io broker agent to list or sponsor an API. Say what you want in plain language and include the API n
  • send_message — Reply to the broker in an open deal. Returns the broker's answer and the deal status.
  • get_deal — Status of a deal: negotiating, agreed, awaiting_approval, awaiting_payment (payment_url is included), publishing, live (live_url), rejected.

KitScout test notes

Not tested by KitScout yet. When our harness runs it, pros, cons and the tasks we tried appear here, with the date and evidence.

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