One Knowledge
A structured, human-verified knowledge base of API documentation for over 500 platforms and more than 80,000 tools, built for AI agents to look up parameters, authentication flows and edge cases instead of guessing.
One Knowledge addresses the problem of AI agents guessing at API parameters, hallucinating authentication flows, and failing silently on edge cases because documentation is scattered across sites, PDFs and developer portals. It offers structured, human-verified knowledge for every tool across more than 500 platforms, including metadata, authentication details such as OAuth flows and required scopes, and every available action.
A command-line tool installs and configures the knowledge base for an agent's environment, including Claude Code, Cursor, Claude Desktop, Windsurf or any MCP-compatible agent, after which the agent can search for actions, read full knowledge, and execute tools across the connected platforms. The same knowledge is also available as an open REST API authenticated with a free API key, with endpoints for a platform's overview, authentication details, and its individual actions.