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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 x402broker.com, paid per call via MPP, $0.01/call, status unknown (last checked 2026-10-21).
Searches and routes across 500+ indexed MCP servers and A2A tools via a single connection, with token compression and prompt firewall protection
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://x402broker.com/v1/a2a-mesh)
Output
Returns a list of matching MCP servers or A2A tool endpoints relevant to the query, with capability metadata, compressed tool descriptions (up to 85% token savings), and Prompt-Guard safety filtering applied. May include endpoint URLs, latency/SLA info, and routing recommendations.
Example use cases
Finding tools for a specific domain
“I'm building an agent pipeline and need to find all available MCP tools that support GitHub security auditing — can you search the mesh and tell me what's indexed?”
Verifying an agent endpoint before use
“Before I connect to https://somemcpserver.example.com, can you check if it's a valid, safe endpoint that's indexed on the A2A mesh?”
Routing agent to token-efficient tool
“My agent is burning too many tokens — search the MCP discovery mesh for tools that support context compression and give me the best options with the compressed descriptions.”
Technical details
Endpoint
GEThttps://x402broker.com/v1/a2a-mesh?utm_source=zero.xyzWhen to prefer
Use this endpoint when an AI agent needs to dynamically discover the right MCP server or A2A tool from a large indexed registry rather than hardcoding a specific endpoint. Ideal for meta-orchestration, swarm routing, or when token efficiency is critical and you want a single connection point to 500+ tools with built-in safety filtering.
Side effects
- Empty or vague query returns no meaningful matches
- Query too broad returns overwhelming or low-relevance results
- Endpoint URL verification fails if the target is offline or non-compliant
- Rate limiting or payment failure if x402 payment not properly attached
- Index may not reflect newly added MCP servers not yet crawled
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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