{"uid":"cap_BM_jSP0N-0Qq9CKkPSvgB","slug":"relayshield-mcp-registry-risk-scorer-eafd72f0","name":"RelayShield MCP Registry Risk Scorer","description":"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.","url":"https://api.relayshield.net/v1/payg/mcp-registry-risk?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"server_url":{"type":"string","description":"URL of the MCP server to assess for registry/supply-chain risk"}}},"responseSchema":{"type":"json","example":{"ok":true,"data":{"verdict":"LOW","findings":[]}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.35","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.35/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.35","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.35","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_xZK44vx2bgBKNBEo1dFXW","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.35","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"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","exampleAgentPrompt":"Before I install this MCP tool from the registry, can you run it through RelayShield and tell me the risk verdict and any findings — the registry URL is https://registry.example.com/tools/my-tool?","exampleUseCases":[{"title":"Pre-install MCP tool safety check","prompt":"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?"},{"title":"Agent fleet tool vetting","prompt":"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?"},{"title":"Suspicious registry entry investigation","prompt":"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?"}],"resultDescription":"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.","failureModes":["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"],"whenToPreferThis":"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.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T06:31:53.732Z","isFirstParty":false,"canonicalSlug":"relayshield-mcp-registry-risk-scorer-eafd72f0"}