Public APIs FAQs

Question 1

Which AI agents are compatible with Public APIs?

Accepted Answer

Public APIs is designed for seamless integration with MCP-compatible AI agents, including Claude Desktop and Claude Code, with simple one-command installation.

Question 2

How do I install Public APIs for my AI agent?

Accepted Answer

Installation is simple and zero-config: for Claude Desktop, add a JSON snippet to your config; for Claude Code, use `claude mcp add mcp-public-apis`; or manually with `npx mcp-public-apis`.

Question 3

Do I need API keys to use Public APIs?

Accepted Answer

No, most of the 22 public APIs included in this tool require zero API keys for instant access. An optional key can be used for higher rate limits on the NASA APOD service.

Question 4

What is Public APIs?

Accepted Answer

Public APIs provides a zero-config MCP server that gives AI agents instant access to 22 popular free public APIs, eliminating the need for manual setup or most API keys.

Question 5

What types of data can my AI agent access through Public APIs?

Accepted Answer

Your AI agent can access a wide range of data, including weather forecasts, live cryptocurrency prices, news headlines, geographical lookups, country information, historical exchange rates, and more.

Public APIs

Key Features

Use Cases

Public APIs

Key Features

Use Cases