x402-discovery-mcp (rplryan/x402-discovery-mcp) is an MCP server listed on the M8ven Trust Index. It scores 74 out of 100, grade C. It declares 9 tools. No publisher has claimed this listing.

Back to MCP Trust IndexM8ven
C
Emerging
74/100

x402-discovery-mcp

Discovers and routes across 251+ x402-enabled payment services with smart routing strategies (cheapest, fastest, most trusted) and signed attestations. Provides real-time health monitoring, facilitator compatibility checks, and service quality scoring for the x402 agent payment ecosystem.

→ rplryan/x402-discovery-mcp· listed on glama

Emerging. No concerning findings. Grades remain capped until the project builds reputation through adoption. Grades reflect the full trust pyramid: code, verification depth, and reputation. New projects cap at C until adoption is earned.

How we verified

Code Verified⚡ Live Monitored: not connected

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Who stands behind it

rplryan

Source: Glama

Is this your MCP?

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Install from

Glamanot scored here

The grade above is for the source repository. Registries can serve a different version, so we mark the ones we were not able to read.

// key findings
✅
9 tools verified — handlers match their declared behaviour
6 read-only tools verified — handlers contain no write/delete/exec
✅
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: CDP_API_KEY_SECRET, EVM_PRIVATE_KEY
These are read from process.env at runtime. Make sure you trust where they’ll be sent.
// tools this server exposes9 tools

These names and descriptions are the publisher's own, read from the source code. We print them as written. Our assessment is the findings above, not this list.

x402_discover

Discover x402-payable services matching your requirements.

x402_browse

Browse the complete catalog of registered x402 services.

x402_health

Check real-time health status of any registered x402 service. Free, no payment required.

x402_register

Register an x402 service with the discovery index.

x402_attest

Get a signed EdDSA attestation for an x402 service's quality measurements.

scout_route

Route and execute a payment for any x402 service by natural-language intent.

scout_discover

Find available x402 providers for a capability without executing.

scout_execute

Execute x402 payment directly against a known endpoint.

scout_audit

View recent scout_relay transaction history — what was purchased, which provider, cost paid.

// 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.
configWALLET_ADDRESS
configCDP_WALLET_ADDRESS
configBID_REGISTRATION_FEE_USD
configCDP_API_KEY_ID
🔐 secretCDP_API_KEY_SECRET
configDISCOVERY_API_URL
configRELAY_PRICE_USD
configRELAY_MIN_TRUST_SCORE
configRELAY_SPEND_LOG
configAGENT_DAILY_BUDGET_USD
🔐 secretEVM_PRIVATE_KEY
Deployment configuration, supplied by whoever hosts the server. Users are not asked for these.
deployPORT
// quality suggestions

Tool handlers catch errors

5/9 tool handlers wrap calls in try/catch (56%)

Wrap each tool handler body in try/catch and return a structured error response.

Tests exist

No test files found

Add tests that exercise each declared tool.

Claim the listing to review these findings one by one and send us a correction where you disagree, straight to the team. Claiming also means we tell you when the grade moves, and reach you first if we find anything urgent.

// 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 2 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.
// embed badge in your README
[![M8ven Score](https://m8ven.ai/badge/mcp/rplryan/x402-discovery-mcp)](https://m8ven.ai/mcp/rplryan/x402-discovery-mcp)
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commit: 4b8e69d087db6f0cbfbd056374d0126fc40d02aa
code hash: d8f7fd62f64a81ca299861d7a8e8858a3ab3f7be9a0abbf36850e75ffe22b1f3
view raw JSON →
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