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Verification records what our published tests found on a specific version at a specific date. It is not a warranty, and it does not certify that software is free of defects.

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Catalogue/MCP servers/X402 MCP Bridge

X402 MCP Bridge

zeam-labs · MCP server

Sits between your AI client and a paid MCP server and handles the x402 payment that stock clients cannot construct. It reads the seller's terms, then pays per call from a deposit in a batch-settlement channel, or buys milliseconds of time and rides a ZEAM Pass line for time-priced tools. You supply a private key as an environment variable and it signs locally. Spending stops at a default ceiling of $10 per run, which you can change. It suits people whose agents call sellers that charge per call or by time.

Written by ooruby from the README of @zeam-labs/x402-mcp-bridge 3.2.2.

Not claimed by its maker. Is this yours? Prove it and answer the findings

Why it's useful

Your agent can use MCP servers that charge per call or by time without you building a payment flow into your client.

What you could do with it

  1. 1List a paid seller's tools without a key and read the terms a paid call returns before paying.
  2. 2Call one of a seller's tools from the command line, such as a block number lookup on Base.
  3. 3Run the refund command to reclaim an unspent channel balance and unburned time from the seller.

Written from its documentation: what it says it can do, not what our checks found.

XBMCP serverFinance & ops

Maintenance

Not measured

No release date is on record for this package yet. The nightly publisher check records one as it reaches each npm package, about once every ten nights.

Release activity only: it says nothing about quality or safety, and a finished small package can be fine without releases. How it is measured

Not yet tested

What this does not cover

  • ·Everything. Treat it as you would software from anywhere else.

Receipt history: every signed receipt for every version of this listing, and what changed between them.

In its maker's words

Put a wallet in front of any x402-paid MCP server: pay per call, or buy time and ride a ZEAM :: Pass line. Stock MCP clients cannot construct x402 payments; this one does, and proxies your existing client through it.

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How far this has been checked

Static scanned

What it establishes
Its published package, or for a hosted server its source repository at a recorded commit, was read file by file, without running it, by every check in our current scan.
What it does not
How it behaves when it runs, or anything the scan does not read yet: several rubric checks, the repository's history, and compiled code in folders named dist or build. For a hosted server, that the endpoint runs the code that was read. The ooruby Index sets out exactly what was read.
Exactly what was read
Version 3.2.2, the file with digest sha512-XkTiajuIHecR/PzY1kZKthhrHSEosqXFkJKMc9PaJBxaBOADbevpH4ONW21WSGOyr8mucdHsFaeP5NrSzGp69g==, as the registry publishes it. A published version cannot be replaced, so this names the same bytes for anyone who checks.
Authentication
Runs locally. No hosted endpoint is listed for this package. You run it on your own machine, so there is no endpoint of ours to authenticate against.
How the rungs work

Adding it

Paste this into your client's MCP configuration.

{
  "mcpServers": {
    "x402-mcp-bridge": {
      "command": "npx",
      "args": [
        "-y",
        "@zeam-labs/x402-mcp-bridge@3.2.2"
      ]
    }
  }
}

Or run it directly.

npx -y @zeam-labs/x402-mcp-bridge@3.2.2

Pinned to 3.2.2, which is the version the findings above were found in. Drop the version to take whatever is newest, and the report on this page stops describing what you installed.

Where this came from

Registry
npm
Package
@zeam-labs/x402-mcp-bridge
Version read
3.2.2
Resolved
2026-10-10
Open the source(opens in a new tab)

No build provenance published. The repository above is the one the publisher declared, and nothing links it to the package you would install. That is not a mark against this listing, since most packages are published this way, but it is a check nobody can run.

The badge, if this is your listing

It renders the current rung (static scanned) and links back here, where what that does and does not establish is one click away. It updates itself as the evidence deepens.

[![ooruby: static scanned](https://ooruby.com/api/badge/zeam-labs-x402-mcp-bridge)](https://ooruby.com/market/zeam-labs-x402-mcp-bridge)

About this listing

Kind
MCP server
Category
Finance & ops
Pricing
Free
Sandbox
No
Hosted
No
Updated
2026-10-08
Price
Free
Get it freeVisit maker
Rating
no reviews yet
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Verification records what our published tests found on a specific version at a specific date. It is not a warranty, and it does not certify that software is free of defects.