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RelayShield MCP Registry Risk Scorer
x402
RelayShield MCP Registry Risk Scorer is a paid API for AI agents from api.relayshield.net, paid per call via x402, $0.35/call, status unknown (last checked 2026-10-13).
Scores the risk level of an MCP (Model Context Protocol) registry entry, returning a verdict and findings to help agents identify unsafe or malicious tools
Price / call$0.35
Success—
StatusUnknown
How this service works
Assess an MCP server URL for supply-chain and registry risk before your agent connects to it or grants it tool-calling access — flags unverified publishers, known-malicious servers, and other trust signals. Call before an autonomous agent adds a new MCP server to its toolset.
Output
Returns a JSON object with an 'ok' boolean, a 'verdict' field (e.g. LOW, MEDIUM, HIGH) indicating the overall risk level, and a 'findings' array listing specific issues or threats detected in the MCP registry entry.
Example use cases
Pre-install MCP tool safety check
“I found an MCP tool called 'DataFetcher Pro' at https://mcp-registry.io/tools/datafetcher-pro — can you check its risk level before I add it to my agent setup?”
Agent fleet tool vetting
“We're onboarding 10 new MCP servers for our agent fleet. Can you assess the risk on this registry entry at https://registry.agenttools.dev/servers/autoquery and tell me if it's safe to deploy?”
Suspicious registry entry investigation
“Someone shared an MCP registry link with me and it seems sketchy — can you run https://untrusted-mcp.io/packages/shadow-exec through RelayShield's risk scorer and report back any findings?”
Technical details
Endpoint
POSThttps://api.relayshield.net/v1/payg/mcp-registry-risk?utm_source=zero.xyzWhen to prefer
Use this endpoint when an AI agent needs to vet an MCP registry entry before installation or execution, especially in automated pipelines where untrusted tools are ingested. Prefer this over generic URL scanners because it is purpose-built for the MCP ecosystem and returns structured verdicts and findings tailored to AI tool safety signals.
Side effects
- Invalid or unreachable registry URL returns an error verdict
- Malformed input payload results in a 400-level error
- Unknown or unindexed registry entries may return limited findings
- Rate limiting or payment failure returns a non-200 response
- Timeouts if the target registry URL is slow to respond
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| server_url | string | URL of the MCP server to assess for registry/supply-chain risk |
Output
Schema · Response
{
"type": "json",
"example": {
"ok": true,
"data": {
"verdict": "LOW",
"findings": []
}
}
}Tags
x402
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