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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 alpha-stream.agentdiet.dev, paid per call via MPP, $0.01/call, status unknown (last checked 2026-10-23).
Searches and routes across 500+ indexed MCP servers and A2A tools using a single connection, with built-in 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://alpha-stream.agentdiet.dev/api/mcp/audit)
Output
Returns a list of matching MCP servers or A2A tools relevant to the query, along with tool metadata, with results compressed by up to 85% for token efficiency and filtered through a Prompt-Guard firewall to block injection attacks.
Example use cases
Finding tools for SEC filing analysis
“Search your MCP tool index for anything that can pull SEC EDGAR 10-K or 10-Q filings for public companies — I need to find the right capability and want safe, compressed results.”
Discovering GitHub security audit tools
“Can you search across all indexed A2A and MCP servers to find tools that do GitHub security audits or code vulnerability scanning? I want to route my agent to the best one.”
Locating company enrichment capabilities
“Look through the MCP and A2A tool index and find me the best available tool for B2B lead enrichment or company data enrichment — I want to see what's out there before committing to one.”
Technical details
Endpoint
POSThttps://alpha-stream.agentdiet.dev/api/mcp/audit?utm_source=zero.xyzWhen to prefer
Choose this endpoint when an AI agent needs to dynamically discover which MCP server or A2A tool best handles a specific capability, rather than hardcoding a single tool. Especially useful when building swarms or multi-agent pipelines that need to route tasks to the right specialized tool at runtime. The built-in Prompt-Guard firewall makes it preferable over direct tool proxying when safety and injection resistance are required.
Side effects
- Empty query string returns a validation error
- Overly broad queries may return low-relevance results from the 500+ index
- Prompt-Guard firewall may flag and block queries containing injection-like patterns
- External MCP server downtime may result in incomplete index coverage
- Rate limiting or payment failures may block access under x402 flow
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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