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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 mcp-security.agentdiet.dev, paid per call via MPP, $0.01/call, status unknown (last checked 2026-10-21).
Searches a meta-index of 500+ MCP servers and A2A tools by capability query, returning compressed, firewall-screened tool references for agent use
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://mcp-security.agentdiet.dev/api/mcp/audit)
Output
Returns a compressed, firewall-screened list of matching MCP servers or A2A tool entries relevant to the query, with metadata about each tool's capabilities, safety status, and connection details — delivered with 85% token compression relative to raw tool manifests.
Example use cases
Discovering MCP servers for a coding agent
“Can you search the MCP tool directory for any servers that do GitHub security auditing or dependency scanning? I want to wire one into my coding agent pipeline.”
Verifying a third-party endpoint before use
“Before my agent starts calling this endpoint — https://some-tool.example.com/api/v1/mcp — can you run it through the MCP audit to check if it's safe and not flagged for prompt injection?”
Finding token-compression tools for a swarm
“I'm building a multi-agent swarm and I need to cut down token usage — can you search the MCP meta-router for any tools that do context compression or token diet optimization?”
Technical details
Endpoint
GEThttps://mcp-security.agentdiet.dev/api/mcp/audit?utm_source=zero.xyzWhen to prefer
Choose this endpoint when an agent needs to dynamically discover new MCP servers or A2A tools at runtime without hardcoding integrations, especially when operating in a multi-agent swarm context where token efficiency matters and prompt-injection safety is a concern. Prefer it over manual MCP server registries when you need a single connection point covering 500+ tools with built-in security screening.
Side effects
- Missing or empty 'query' parameter returns a validation error
- Query too vague returns zero or low-relevance tool matches
- Endpoint URL verification may time out if the target is unreachable
- Rate limiting or 402 payment required if per-call quota exceeded
- Prompt-Guard firewall may flag and block certain query strings as injection attempts
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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