x402-mcp-bridge (zeam-labs/x402-mcp-bridge) is an MCP server listed on the M8ven Trust Index. M8ven has not graded it yet. No publisher has claimed this listing.

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Grade pending
5 days ago

x402-mcp-bridge

Put a wallet in front of a paid MCP server. Signs x402 payments locally and proxies your existing MCP client.

→ zeam-labs/x402-mcp-bridge· listed on github_code

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Who stands behind it

zeam-labs

Source: github_code

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// key findings
✅
No credential exfiltration, no sensitive file access, no obfuscation
Static analysis found nothing flowing your secrets to unexpected places.
✅
Open source with a license and README
Anyone can audit the code, the license is declared, and the publisher documents what it does.
🔐
You'll be asked for 2 credentials: PRISM_PRIVATE_KEY, X402_PRIVATE_KEY
These are read from process.env at runtime. Make sure you trust where they’ll be sent.
// environment variables
To run this server yourself, you supply these values. They go in your own MCP client configuration and stay on your machine. The secret label means the value is sensitive, not that the server mishandles it.
🔐 secretPRISM_PRIVATE_KEY
configX402_ASSETaddress or symbol, if you hold a specific token
configX402_AUTO_FAST_RUN
configX402_AUTO_SLOW_RUN
configX402_DEPOSIT_MULTIPLIERhow much refundable collateral to lock, as a multiple of the seller's quote for the opening call. Unset, the x402 scheme sizes it (minimum 3); raise it to top up less often, lower it to commit less. It leaves your wallet when you open the channel and comes back on refund — it is not the price.
configX402_LINEline to reopen during a slow session. =off pays per call instead.
configX402_MAX_SPENDceiling on what this run may spend, in micro-USD. 0 removes it — see below
configX402_MCP_URLany x402-paid MCP endpoint
configX402_NAME
configX402_NETWORKCAIP-2
configX402_PAYER_ADDRESS
🔐 secretX402_PRIVATE_KEYWith your key already exported into the environment as :
configX402_RPC_URLchain reads. Point it at your own node — checking a seller's claims through the seller proves nothing.
configX402_SALTopen a distinct channel. Any string; it is hashed to bytes32
configX402_STATE_DIRtrip to resync rather than handing you a failed call. Keep and
configX402_UPSTREAM
// quality suggestions

Tests exist

No test files found

Add tests that exercise each declared tool.

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// full audit trail
The findings above are the summary. The full trail, every check we ran, each deduction, the network hosts observed and the dependency advisories, goes to verified publishers, along with an alert whenever a new one lands. Verified publishers can also review each finding and dispute it in one click. Publisher corrections have sharpened several of our checks this month, because the maintainer knows the codebase better than any scanner.
// improvement guidance — verified publishers only
We have 1 concrete improvement we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.
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commit: a3e181cb3b0698e80966f20d2c4479b794c697a2
code hash: d283dedbb4e014713b3157bbf7cc3c1c229c4bc7488bf31b4f9aba78bfd7dce2
verified: 9/5/2026, 7:05:17 AM
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