Wellknown

A registry of AI Plugins.

Endpoint	`https://api.apis.guru/v2/specs/wellknown.ai/1.0.0/openapi.json`
Trust	Not checked yet
Pricing	See the provider
docs url	https://www.wellknown.ai/api/doc
auth	none
source	apis_guru

Use it

Endpoint

https://api.apis.guru/v2/specs/wellknown.ai/1.0.0/openapi.json

This listing as JSON

curl https://aipaygen.com/v1/catalog/api/4043

Search the whole marketplace from your agent (MCP)

{
  "mcpServers": {
    "aipaygen": {
      "url": "https://aipaygen.com/mcp"
    }
  }
}