Development

APIs.guru integrations

Connect APIs.guru to any other app, or use it from your AI client over MCP. APIs.guru is a directory of machine-readable OpenAPI and Swagger definitions for thousands of public web APIs. Callers can list every API in the directory, look up all versions published for a given provider, retrieve the metadata and hosted specification URL for a specific API version, list the providers covered, and download the full directory index in one request. Useful for API discovery and for feeding spec-driven tooling. No credentials required.

No account neededapis.guru
6 actions

What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it.

Build solutions, not workarounds.

What do you want to automate with APIs.guru?

Ask the assistant

You'll sign in before anything runs. What you typed comes with you.

Connect your AI client

Give your AI client this address.

https://mcp.apiant.ai

Any client that takes a remote MCP server. Nothing to install. Create your free account, then sign in once in your browser.

Set it up in your client
Claude Code

Run this in the directory you want to work in.

claude mcp add --transport http -s project apiant-ai https://mcp.apiant.ai

Start Claude Code there, approve the server, and sign in in the browser page it opens.

Claude Code guide (opens in a new tab)
Claude, web and desktop

Open Customize, then Connectors, then Add custom connector, and paste the address. On Team and Enterprise an owner adds it first.

Setup guide (opens in a new tab)
Cursor

Add the address to your MCP configuration as a server URL. Cursor signs you in in your browser.

Setup guide (opens in a new tab)
Zed

Open Settings, then AI, then MCP Servers, then Add Server, then Add Remote Server.

Setup guide (opens in a new tab)
Codex and the ChatGPT desktop app

Open Settings, then MCP servers, then Add server, and choose Streamable HTTP. From the terminal, Codex takes the address with its own add command and then signs you in.

Setup guide (opens in a new tab)
Any other MCP client

Paste the address where the client asks for a remote MCP server URL, and name the server apiant-ai where it lets you. APIANT's skills reach the client over the same connection.

Setup guide (opens in a new tab)

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What your agent can do with APIs.guru

Triggers and actions 6 actions

  • Action
    Find APIs by provider

    Returns all APIs listed for a given provider.

  • Action
    Find service names by provider

    Returns all serviceNames registered for a given provider (providers that host multiple APIs under sub-services).

  • Action
    Get API metrics

    Returns basic aggregate metrics about the APIs.guru directory (numSpecs, numAPIs, numEndpoints, etc).

  • Action
    Get API specification

    Retrieves one version of a particular API's OpenAPI spec by provider and api version, optionally scoped to a serviceName.

  • Action
    List APIs

    Returns the full catalog of all APIs indexed by APIs.guru, keyed by provider/api.

  • Action
    List providers

    Returns the full list of API providers known to APIs.guru.

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Questions

APIs.guru, answered

Is there a APIs.guru MCP server?

APIANT's MCP server at https://mcp.apiant.ai works with APIs.guru. Add that address to any AI client that takes a remote MCP server, sign in once in your browser, and your client can build, test and run automations that use APIs.guru. Nothing to install.

What can your agent do in APIs.guru?

Any of APIs.guru's 6 actions, including Find APIs by provider, Find service names by provider, Get API metrics and Get API specification. Your agent maps the data both ways and tests every scenario before it ships.

Which apps can APIs.guru connect to?

Any app in the catalog; the list on this page pairs APIs.guru with each of them. If the other app is missing, point your agent at its API documentation and it builds the connector.

What happens when something fails?

Your agent works that out for you. It plans the failure paths along with the happy path, then tests every scenario before it ships.

Is there a free plan?

Yes. Every plan includes the agent, including free, and building from your own AI client spends no assistant credits.