{"uid":"cap_Zd3Zw03QluJxOTzNDN4Xf","slug":"token-intel-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-6aa7f4b0","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://token-intel.agentdiet.dev/v1/agent-tool-marketplace)","url":"https://token-intel.agentdiet.dev/v1/agent-tool-marketplace?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_meUOfGPMxp9z0QZxcFVpo","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"token-intel.agentdiet.dev","brandSlug":"token-intel-agentdiet-dev-mpp","brandBaseUrl":"https://token-intel.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Searches an index of 500+ MCP servers and A2A tools by capability query, returning compressed tool descriptions routed through a Prompt-Guard firewall.","exampleAgentPrompt":"Search the agent tool marketplace for MCP servers that can do 'github security' audits — I want to see what's available and get compressed tool descriptions I can actually use.","exampleUseCases":[{"title":"Discovering SEC filing tools for an agent","prompt":"Find me any MCP tools or A2A agents in the marketplace that can pull or analyze SEC filings — I want to see what's indexed and available."},{"title":"Finding context compression agents","prompt":"Search the tool marketplace for anything related to 'context compression' — I need to reduce token usage in my agent pipeline and want to see what tools are available."},{"title":"Verifying a specific MCP endpoint is listed","prompt":"Check whether this URL is indexed in the agent marketplace and tell me what capabilities it's listed for: https://some-mcp-server.example.com/api"}],"resultDescription":"Returns a filtered, token-compressed list of matching MCP servers and A2A tools from the 500+ indexed catalog, with tool descriptions passed through the Prompt-Guard firewall to remove prompt-injection risks. Results include tool metadata, capability summaries, and routing information.","failureModes":["Empty query string returns validation error","No matching tools found for obscure or misspelled capability queries","Endpoint URL verification may return not-found if URL is not indexed","Token compression may lose nuance in very detailed tool descriptions","Firewall may over-filter legitimate tool descriptions that resemble prompt injection patterns","HTTP 402 payment required if x402 credits are exhausted"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to dynamically discover available MCP servers or A2A tools by capability at runtime, rather than hardcoding tool URLs. Particularly useful for swarm orchestration scenarios where the agent needs to find the right sub-tool for a given subtask, or when you want safe proxied access with built-in prompt-injection protection and token-compressed responses.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:22:01.694Z","isFirstParty":false,"canonicalSlug":"token-intel-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-4de1292d"}