PublicAPIs.io

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

Connector by publicapis.ioOfficial · Domain verified by the MCP Registry

IndexedLicense unknownRemote (HTTP)

Chalk Labs

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Install

Works with Claude Code, VS Code, Cursor, Windsurf. Read the repository before you give any tool access to your data.

npx agentmarket install connector/publicapis-io-directory

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

Remote endpoint

https://publicapis.io/mcp Remote (HTTP)

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About

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

Reviews

Write a review

No reviews yet. Installed it? Reviews come from verified installers only. How reviews work

Permissions

What this server can do and what it asks for, from its tool list and install config. Checked Oct 25, 2026.

Tools: 6 read · 2 write · 0 delete
Secrets: None asked for
Install scripts: Nothing to install (hosted)
Runs as: Hosted (remote endpoint)

Tools by what they do 8

From the running server's own tool list (tools/list) on Oct 25, 2026.

Read 6 · Look things up without changing anything.

compare_apis
get_api
get_deal
get_quickstart
list_offerings
search_apis

Write 2 · Create, change, send or run things.

send_message
start_deal

Network hosts it talks to 1

publicapis.io · found in remote endpoint, install command

Tools (8)

As the server listed them on Oct 25, 2026. Descriptions are the server’s own words; hidden characters are shown as [U+…].

compare_apisread-only
Compare 2-5 APIs side by side (auth, free tier, HTTPS, pricing, docs summary) to choose one. Pass slugs from search_apis.
get_apiread-only
Everything about one API by slug (from search_apis): documentation summary, endpoints, auth, pricing and links. Use before writing integration code.
get_dealread-only
Status of a deal: negotiating, agreed, awaiting_approval, awaiting_payment (payment_url is included), publishing, live (live_url), rejected. Also returns the last messages.
get_quickstartread-only
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.
list_offeringsread-only
Ways to get an API listed or sponsored on PublicAPIs.io, with fixed prices, current sponsorship availability and the rules.
search_apisread-only
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 signals (auth: none/api_key/oauth, free_tier, https). Filter with auth="none" for APIs that need no key, free=true, https=true.
send_message
Reply to the broker in an open deal. Returns the broker's answer and the deal status.
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 approved by a person before payment.

Signals

Last release: Oct 15, 2026 (15 days ago)

Details

Registry name: io.publicapis/directory
Version: 1.0.0
Auth: Auth not stated
License: License unknown
Website: publicapis.io/agents
First seen: Oct 24, 2026
Last checked: Oct 24, 2026
Source: Official MCP Registry

Rank

of 44,833 in Connectors

Score

0.562

Security 30%not yet
Popularity 25%0.30
Freshness 20%1.00
Rating 15%not yet
Docs 10%0.62

How ranking works →

Grades

Freshness

Active in the last 30 days. Last activity 15 days ago.

–

Security

Security scan: in progress. Grades from our dependency, secret, code and prompt-injection checks appear here once they launch. Until then, check the code before you install.

Indexed

Found automatically from a public source. Not yet claimed by its publisher.

How grades work →

Availability

100% uptime, last 30 days (1 check)

Last check: 5 days ago
Status: Up
Median response: 1.2 s

Up
Up, auth required
Down
Not checked
No data

A daily MCP handshake with the remote endpoint. “Auth required” means it answered and wants a login or key. “Not checked” means the URL needs your own account or blocks automated checks.

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Chalk Labs is a two-founder AI and growth studio. We build AI agents, CRMs and MVPs for Web3 and AI companies, and have shipped 50+ product and token launches.

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Rahil Jain, Co-founder, Chalk Labs. Ex-Goldman Sachs engineer. You talk to the person who builds it.

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Cite this page

PublicAPIs.io MCP server. Agent Mart. https://agentmart.dev/connectors/publicapis-io-directory (last updated 2026-10-24)