402MCP.org — HTTP 402 & Agent Payment Registry
org.402mcp/registry
About 402MCP.org — HTTP 402 & Agent Payment Registry
402MCP.org — HTTP 402 & Agent Payment Registry is an MCP server published by 402mcp.org. Decode HTTP 402 challenges (L402, x402, MPP) and choose agent payment rails from an open registry.
It runs on your own machine: your AI client starts it from the npm package @402mcp/mcp at version 1.1.1, or you can connect to the hosted version instead.
It asks for no keys or passwords.
Version 1.1.1 was published on 16 October 2026, and the source code is public, so you can read it before installing.
Written from the registry entry. 10 automated checks on the registry entry and the package code: 8 pass, 0 warn, 0 fail, 2 info. How we check.
What it asks for
| Variable | Required | Secret | Description |
|---|---|---|---|
MCP_402_OFFLINE | No | No | Set to 1 to use the bundled registry snapshot and never fetch. |
Checks
| Check | Result | Detail |
|---|---|---|
| Source repository linked | Pass | https://github.com/402MCP/402mcp |
| Version pinned | Pass | Every package has an explicit version |
| Remote uses HTTPS | Pass | All remote endpoints use https:// |
| Secrets requested | Info | Asks for no secrets |
| Known package registry | Pass | All packages come from npm, PyPI, OCI, NuGet or MCPB |
| Namespace ownership | Info | Name verified via domain 402mcp.org |
| Registry text aimed at the AI | Pass | Description and settings contain no hidden characters or instructions to the AI |
| Install scripts | Pass | @402mcp/mcp@1.1.1 runs nothing at install |
| Code red flags | Pass | Read 3 files in @402mcp/mcp@1.1.1: no obfuscation, encoded execution, credential reads or data-collection endpoints found |
| Text aimed at the AI | Pass | No hidden characters or instructions to the AI in 3 files, including comments and the README |
Popularity & health: 50 / 100
Worked out from public numbers and our own checks, not from user reviews or ratings. It says how used and how looked-after a server is, not whether it is safe.
0 forks, 0 merged pull requests. Sources: GitHub, npm, PyPI (pypistats.org) and Hacker News (Algolia), fetched 2026-10-31.
What people say
No Hacker News threads link to its source code.
Look further: search Reddit, search Hacker News, read its GitHub issues. These are not reviews we checked.
Facts
| Registry name | org.402mcp/registry |
|---|---|
| Publisher | Domain 402mcp.org |
| How the name is verified | Name verified via domain 402mcp.org. The registry ties the name prefix to that account or domain; it does not check the code. |
| Type | Local package and a hosted remote |
| Packages | npm @402mcp/mcp 1.1.1 (stdio) |
| Remote endpoints | streamable-http https://402mcp.org/api/v1/mcp |
| Version | 1.1.1 |
| Published | |
| Last updated | |
| Source repository | https://github.com/402MCP/402mcp |
| Website | https://402mcp.org |
| Category | Finance & payments (assigned by keyword rule, not by hand) |
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