# 402MCP.org — HTTP 402 & Agent Payment Registry (slim)

> 402MCP.org — HTTP 402 & Agent Payment Registry, an MCP server by 402mcp.org, listed from the official MCP registry. Indexed, not reviewed: facts and our own checks, no score or ranking. Decode HTTP 402 challenges (L402, x402, MPP) and choose agent payment rails from an open…

- Full: https://www.anchorterminal.com/tools/402mcp-registry.md (~500 tokens) · this version ~430 tokens · JSON https://www.anchorterminal.com/tools/402mcp-registry.json · canonical https://www.anchorterminal.com/tools/402mcp-registry
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-23
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

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

> Indexed, not reviewed: facts from the official MCP registry and our own checks. No score, grade or rank, and not in the rankings until the panel reviews it. How the index works: https://www.anchorterminal.com/indexed/

- Kind: MCP server, by 402mcp.org (https://402mcp.org)
- Category: Payment & monetisation platforms (https://www.anchorterminal.com/categories/payment-platforms.md)
- Listed because: It's published in the registry under 402mcp.org, a namespace the registry only gives to whoever proves they control that domain.
- What the official MCP registry says: Decode HTTP 402 challenges (L402, x402, MPP) and choose agent payment rails from an open registry.

## Facts

- MCP registry: `org.402mcp/registry` 1.1.1
- Endpoint: https://402mcp.org/api/v1/mcp (streamable HTTP)
- Package: npm `@402mcp/mcp` (stdio)
- Source: https://github.com/402MCP/402mcp
- Website: https://402mcp.org
- npm downloads a week: 629
- GitHub stars: 0
- Registry entry updated: 2026-10-16

- Create a video and download its frames: https://www.anchorterminal.com/assets/listing-video/index.html?listing=402mcp-registry
- JSON: https://www.anchorterminal.com/api/v1/tools/402mcp-registry.json
- Being indexed says nothing about quality, and nobody can pay for it. Ask for a review: https://www.anchorterminal.com/builders/#claiming