402MCP.org — HTTP 402 & Agent Payment Registry MCP Tools

402MCP.org — HTTP 402 & Agent Payment Registry exposes 7 tools. Each one has its own page with the configuration for every client that can run this server.

decode_402_challenge

decode 402 challenge
recommend_payment_rail

recommend payment rail
search_402_solutions Read-only

search 402 solutions
get_solution Read-only

get solution
get_scheme_reference Read-only

get scheme reference
probe_402_support

probe 402 support
get_best_payment_solution Read-only

get best payment solution

This list was read from the server itself, by connecting to it and calling tools/list on 16 October 2026. It is what the server actually exposes, not what its listing claims.

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. The registry stores tool names only; connect the server for its live schemas.

402MCP.org — HTTP 402 & Agent Payment Registry MCP server