# 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 llms-generator.agentdiet.dev, paid per call via MPP, $0.01/call, status unknown (last checked 2026-10-28).

Searches and routes to 500+ MCP servers and A2A tools via a single meta-router endpoint with token compression and prompt-injection firewall

## Facts

- Endpoint: POST https://llms-generator.agentdiet.dev/v1/broker/execute?utm_source=zero.xyz
- Price: $0.01/call
- Payment: MPP
- Status: unknown
- Last checked: 2026-10-28
- Activations on Zero: 0
- Provider: llms-generator.agentdiet.dev
- Website: https://llms-generator.agentdiet.dev
- Canonical page: https://www.zero.xyz/c/llms-generator-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-d2b853ed
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_FH8o38q-2qynQ7hj6-Aoe

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability llms-generator-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-d2b853ed -d '<json body>'
```

Example prompt: Search your meta-router for any MCP tool or A2A agent that handles SEC filings — find me the best available tool for that capability.

## When to prefer this

Choose this endpoint when you need to dynamically discover which of 500+ MCP servers or A2A tools can handle a specific capability, rather than hardcoding tool endpoints. Ideal for swarm orchestration, agent-of-agents architectures, or when building routing logic that must adapt to new tools being indexed. Particularly useful when you want a single safe-proxy entry point with built-in prompt injection protection and token compression across many tools.

## Known failure modes

- Empty or vague query returns no matching tools
- Unknown capability returns empty result set
- Endpoint URL verification fails if URL is malformed or unreachable
- Payment failure via x402 if USDC balance insufficient
- Timeout if downstream MCP server is unresponsive

## 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://llms-generator.agentdiet.dev/v1/broker/execute)

## Output

Returns a structured response identifying matching MCP servers or A2A agent tools for the given capability query, with routing metadata, compressed tool descriptions, and safe-proxied results filtered through a Prompt-Guard firewall

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "query"
 ],
 "properties": {
  "query": {
   "type": "string",
   "minLength": 1,
   "description": "Capability search query (e.g. 'context compression', 'github security', 'sec filings', 'company enrichment') or endpoint URL to verify"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "object"
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/llms-generator-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-d2b853ed/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from llms-generator.agentdiet.dev](https://www.zero.xyz/host/llms-generator.agentdiet.dev/llms.txt)