{"uid":"cap_PEXFb-ymzSxDQGv5FNMdw","slug":"onchain-risk-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-f979a105","name":"Universal A2A & MCP Tool Discovery, Safe-Proxy & Swarm Router","description":"Single-connection meta-router indexing 500+ MCP servers & A2A tools with 85% token compression and Prompt-Guard firewall. (Live x402 v2, IETF MPP & MCP endpoint at https://onchain-risk.agentdiet.dev/v1/swarm-router)","url":"https://onchain-risk.agentdiet.dev/v1/swarm-router?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","required":["query"],"properties":{"query":{"type":"string","minLength":1,"description":"Capability search query (e.g. 'context compression', 'github security', 'sec filings', 'company enrichment') or endpoint URL to verify"}}},"responseSchema":{"type":"object"},"example":null,"exampleRequest":null,"tags":[],"displayCostAmount":"0.01","displayCostAsset":"USD","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":"$0.01/call","primary":{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_3OoLQjSxCx2JH5z1KwCqe","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"onchain-risk.agentdiet.dev","brandSlug":"onchain-risk-agentdiet-dev-mpp","brandBaseUrl":"https://onchain-risk.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Searches a meta-index of 500+ MCP servers and A2A tools to find the right agent capability by query, routing requests through a token-compressed, prompt-firewall-protected proxy.","exampleAgentPrompt":"Search the swarm router index for any MCP or A2A tool that handles SEC filings and company enrichment — I need to find the right agent capability to route this task to.","exampleUseCases":[{"title":"Routing SEC filing research tasks","prompt":"I need to find an MCP server or A2A tool in the swarm index that can pull SEC filings — search for 'SEC filings' and tell me what's available."},{"title":"Discovering GitHub audit capabilities","prompt":"Search the agent tool index for anything related to 'GitHub security' or 'GitHub audit' — I want to know which MCP servers can review my repo for vulnerabilities."},{"title":"Verifying an external agent endpoint","prompt":"Can you check this endpoint URL against the swarm router to verify it's a valid, indexed MCP tool before I route traffic to it?"}],"resultDescription":"Returns a structured object describing matching MCP servers or A2A tools from the 500+ indexed registry, including tool metadata with 85% token-compressed descriptions and routing information, filtered through the Prompt-Guard firewall.","failureModes":["Empty or too-generic query returns no matching tools","Queried endpoint URL not found in index — returns empty or not-found result","Malformed query string causes 400 validation error","x402 payment not satisfied — returns HTTP 402 requiring USDC payment","Rate limit or SLA exceeded — returns 429 or 503","Index out of date — recently added MCP servers may not appear"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to dynamically discover which MCP server or A2A tool to use for a given capability at runtime, rather than hard-coding a specific tool. Ideal for multi-agent orchestration, swarm routing, and scenarios where the right downstream tool is unknown ahead of time. The 85% token compression makes it especially valuable when operating under tight context budgets.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:25:44.202Z","isFirstParty":false,"canonicalSlug":"onchain-risk-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-0c8aadb4"}