PublicAPIs.io

Name: PublicAPIs.io
Author: io.publicapis

MCP serverMCP

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

by io.publicapishomepage ↗v1.0.0

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This record is unclaimed

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Observed by Wellknown

Evidence

Everything here was measured by our prober or read from a registry. Nothing is self-reported.

30-day availability36/37 checks ok

when	check	result	http	latency	detail
5 h ago	mcp initialize	ok	200	1909 ms	server publicapis-io 1.1.0 · protocol 2025-06-18 · 8 tools
13 h ago	mcp initialize	ok	200	2172 ms	server publicapis-io 1.1.0 · protocol 2025-06-18 · 8 tools
19 h ago	mcp initialize	ok	200	2753 ms	server publicapis-io 1.1.0 · protocol 2025-06-18 · 8 tools
27 h ago	mcp initialize	ok	200	1513 ms	server publicapis-io 1.1.0 · protocol 2025-06-18 · 8 tools
35 h ago	mcp initialize	ok	200	2170 ms	server publicapis-io 1.1.0 · protocol 2025-06-18 · 8 tools
2 d ago	mcp initialize	ok	200	1959 ms	server publicapis-io 1.1.0 · protocol 2025-06-18 · 8 tools
2 d ago	mcp initialize	ok	200	1373 ms	server publicapis-io 1.1.0 · protocol 2025-06-18 · 8 tools
2 d ago	mcp initialize	ok	200	1412 ms	server publicapis-io 1.1.0 · protocol 2025-06-18 · 8 tools
3 d ago	mcp initialize	ok	200	1863 ms	server publicapis-io 1.1.0 · protocol 2025-06-18 · 8 tools
3 d ago	mcp initialize	ok	200	1396 ms	server publicapis-io 1.1.0 · protocol 2025-06-18 · 8 tools

Tools observed via MCP handshake

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, pa
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 v
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 c
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 la

Declared by sources

What the publisher says

Attributed to the source that supplied each field. Treated as claims, not facts.

No long description beyond the summary.

kind Official MCP Registry

name Official MCP Registry

summary Official MCP Registry

version Official MCP Registry

description Official MCP Registry

homepageUrl Official MCP Registry

publisherName Official MCP Registry

Provenance

Where this record came from

Every source is kept verbatim. Field changes are logged as events.

Official MCP Registryio.publicapis/directory

first seen 11 d ago · fetched 15 h agoopen ↗

Field history (6 recent events)

11 d ago · declared · summary → "Search 1,500+ public APIs with docs, code and auth/free-tier filters; list or sponsor your API."
11 d ago · declared · description → "Search 1,500+ public APIs with docs, code and auth/free-tier filters; list or sponsor your API."
11 d ago · declared · publisherName → "io.publicapis"
11 d ago · declared · homepageUrl → "https://publicapis.io/agents"
11 d ago · declared · version → "1.0.0"
11 d ago · declared · protocols → ["mcp"]

This record is unclaimed

Evidence

What the publisher says

Capabilities

Where this record came from