AI Alt Finder developer resources

What this is

AI Alt Finder finds live, working alternatives to well-known AI tools, grouped by the product being replaced. Every alternative listed is a real, currently-live tool in the same category. This page is the public API documentation for AI Alt Finder. There is no private REST catalog. Agents query live listings through MCP and the documents listed below.

OpenAPI

The machine-readable description of HTTP surfaces that actually exist is https://aialtfinder.com/openapi.json. Endpoints not listed there do not exist. Paginated listings: GET /api/v1/listings.

MCP

Streamable HTTP MCP server: https://aialtfinder.com/api/mcp/mcp. Tools: search_tools, get_tool, list_alternatives, submit_tool, list_offers, create_checkout. Read tools need no authentication.

Authentication

Public catalog and MCP reads need no token. Maker login is a human browser flow. Full agent instructions: https://aialtfinder.com/auth.md. RFC 9728 metadata: https://aialtfinder.com/.well-known/oauth-protected-resource.

Discovery files

Agent discovery: https://aialtfinder.com/.well-known/agent-discovery.json. Also https://aialtfinder.com/.well-known/agents.json, https://aialtfinder.com/llms.txt, https://aialtfinder.com/AGENTS.md, and https://aialtfinder.com/.well-known/api-catalog.