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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+ MCP servers and A2A tools via a single meta-router endpoint with token compression and prompt firewall
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/crypto-alpha-dag)
Output
Returns a filtered, token-compressed list of matching MCP servers or A2A tools relevant to the query, including endpoint metadata and safety scores from the Prompt-Guard firewall. For URL queries, returns a trust/validity assessment of the submitted endpoint.
Example use cases
Discovering tools for SEC filings
“Search the MCP meta-router for any tools or servers that can pull SEC filings or EDGAR data — I want to know what's available before I wire up my research agent.”
Validating a third-party MCP endpoint
“Can you check whether this endpoint URL is safe and legitimate in the MCP tool index? I want to verify it before my agent starts proxying calls through it.”
Finding context compression capabilities
“Search the A2A and MCP tool registry for anything related to context compression or token reduction — I'm trying to cut down on token usage in my swarm agent pipeline.”
Technical details
Endpoint
GEThttps://x402broker.com/v1/crypto-alpha-dag?utm_source=zero.xyzWhen to prefer
Use this endpoint when an AI agent needs to dynamically discover which MCP server or A2A tool can fulfill a given capability at runtime, especially in multi-agent swarm architectures where routing decisions must be made programmatically. Prefer it over static tool registries when you need live index coverage, built-in safety filtering via Prompt-Guard, and token-compressed responses to minimize LLM context overhead.
Side effects
- Empty or too-vague query returns no useful matches
- Endpoint URL validation may return inconclusive trust score for unknown domains
- Token compression may strip context needed for nuanced capability matching
- Rate limiting or payment failure returns HTTP 402
- Overly broad queries may return too many results to be actionable
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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Zero review prompt (fires after every successful call)
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