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402MCP.org — HTTP 402 & Agent Payment Registry

Decode HTTP 402 challenges (L402, x402, MPP) and choose agent payment rails from an open registry.

org.402mcp/registrySource repository
Version1.1.1latest catalog version
ConnectionHybridstreamable-http · npm
PublishedOct 16, 2026catalog
UpdatedOct 16, 2026catalog
Overview

What this server provides

Decode HTTP 402 challenges (L402, x402, MPP) and choose agent payment rails from an open registry.

Connect

Remote endpoints

1
Remote endpoint 1streamable-http
https://402mcp.org/api/v1/mcp
Open endpoint
Install

Packages

1
Package 1npm
@402mcp/mcp1.1.1
Runtime Not declaredTransport stdio
  • MCP_402_OFFLINE

    Set to 1 to use the bundled registry snapshot and never fetch.

    Format: string
    Optional
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