All servers · Payments & accounting · Maps, location & weather · Crypto & blockchain

PublicAPIs.io

io.publicapis/directory · v1.0.0

Measured by MCP Station

Last check	Reachable
Checked at	—
Check success 7 / 30 days	—
First-try success 30 days	—
Median response	—
Lookups 30 days	—
Authentication	No auth
MCP version	2025-06-18
Rank score	—
Declared risk	Can write (some tools are not declared read-only)
Capabilities declared	tools
Tool definitions	8 tools · with description 100% · input schema is an object 100% · read/destructive hints 75%

Description written by the publisher, not verified

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

Connect

streamable-http · https://publicapis.io/mcp

claude mcp add --transport http directory https://publicapis.io/mcp

{
  "mcpServers": {
    "directory": {
      "url": "https://publicapis.io/mcp"
    }
  }
}

Tools as reported by the server

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. weather, geocoding, payments, sports scores, crypto prices, jobs, LLMs. Searches 1,500+ APIs on PublicAPIs.io and returns name, description, category, link and si
get_api
Everything about one API by slug (from search_apis): documentation summary, endpoints, auth, pricing and links. Use before writing integration code.
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 samples are marked verified=true.
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 name, website and a contact email if you have them. Returns deal_id and deal_key (keep both; they are needed to continue) and the broker's reply. Every deal is a
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. Also returns the last messages.

Website · JSON · Text for agents · Registry updated 2026-10-15