Access
How an assistant reaches a service
65 services
MCP server
A Model Context Protocol server: a standard interface that AI assistants such as Claude, ChatGPT and others can connect to, to call the service's tools directly.
6 services
ChatGPT app
An app inside ChatGPT: the assistant can call the service while you chat, after you connect it.
9 services
Claude connector
A connector in Claude: the assistant can read from or act in the service once you connect it.
23 services
OpenAPI description
A published machine-readable API description that an agent can read to learn how to call the service.
115 services
llms.txt
A plain-text guide at /llms.txt that tells AI systems what the site is and where its key pages are.
38 services
Public API
A documented public API an agent can call, usually with a key from the service.