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Universal A2A & MCP Tool Discovery, Safe-Proxy & Swarm Router
Universal A2A & MCP Tool Discovery, Safe-Proxy & Swarm Router is a paid API for AI agents from agentdiet.dev, paid per call via MPP, $0.01/call, status unknown (last checked 2026-10-21).
Searches an index of 500+ MCP servers and A2A tools by capability query and returns matching endpoints with token-compressed routing metadata via a prompt-guarded proxy
Price / call$0.01
Success—
StatusUnknown
How this service works
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://agentdiet.dev/v1/a2a-mesh)
Output
Returns a list of matching MCP servers and A2A tool endpoints from a 500+ item index, with capability descriptions and routing metadata, delivered through a token-compressed (up to 85% reduction) and Prompt-Guard-firewalled proxy connection.
Example use cases
Discover MCP tools for lead enrichment
“Find me an MCP server that does B2B lead enrichment or company data lookup — I need to wire up my sales agent to something that can fill in firmographic details from a domain name.”
Route agent queries to prompt firewall tools
“Search the A2A mesh for tools related to prompt injection defense or firewall — I want to add a safety layer to my swarm that screens user inputs before they hit my main LLM.”
Identify token compression endpoints
“Can you look up what MCP servers are available for context compression? My agent is hitting token limits and I need a tool that can compress or summarize long contexts before passing them along.”
Technical details
Endpoint
GEThttps://agentdiet.dev/v1/a2a-mesh?utm_source=zero.xyzWhen to prefer
Choose this endpoint when an AI agent needs to dynamically discover, search, or route to one of hundreds of MCP or A2A tools without maintaining its own registry. It is especially useful when token budget is a concern (85% compression), when prompt injection safety is required, or when building multi-agent swarms that need a single-connection hub to delegate capability queries.
Side effects
- Empty or overly broad query returns too many irrelevant results
- Highly specific or niche queries return no matches if not indexed
- Payment required error (HTTP 402) if x402 micropayment not fulfilled
- Index may be stale if newly registered MCP servers haven't been crawled
- Query targeting an endpoint URL for verification may return incomplete compliance data
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| queryrequired | string | Capability search query (e.g. 'context compression', 'github security', 'sec filings', 'company enrichment') or endpoint URL to verify |
Output
Schema · Response
{
"type": "object"
}Reviews
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