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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 prompt-guard.agentdiet.dev, 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 injection 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://prompt-guard.agentdiet.dev/v1/broker/execute)
Output
Returns a list of matching MCP servers or A2A tool endpoints relevant to the search query, including tool metadata and routing information, with responses compressed to reduce token usage. May also return verification status if an endpoint URL is submitted as the query.
Example use cases
Discover context compression tools
“Find me an MCP server or A2A tool that does context compression — I want to reduce token usage in my agent pipeline.”
Route agent to GitHub security auditor
“Search the tool index for a GitHub security or code audit capability so I can route my swarm agent to the right MCP server.”
Locate on-chain risk or DEX intelligence tool
“I need to find an A2A or MCP tool that handles on-chain risk analysis or DEX token intelligence — can you search the broker index for me?”
Technical details
Endpoint
GEThttps://prompt-guard.agentdiet.dev/v1/broker/execute?utm_source=zero.xyzWhen to prefer
Choose this endpoint when an AI agent needs to dynamically discover or route to one of hundreds of MCP or A2A tools at runtime, rather than hard-coding specific tool URLs. Ideal for swarm orchestration, meta-agent setups, or when you need to find the right specialized tool for a capability without knowing its endpoint in advance. The built-in Prompt-Guard firewall adds safety for untrusted tool inputs.
Side effects
- Empty or vague query returns no useful matches
- Query too broad returns too many unranked results
- Endpoint URL verification may fail if remote tool is offline
- Token-compressed response may lose nuance for complex tool descriptions
- Rate limiting or payment (x402) failure if USDC balance is insufficient
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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