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

Searches and routes across 500+ indexed MCP servers and A2A tools via a single connection, with token compression and prompt-injection firewall protection.

## Facts

- Endpoint: POST https://token-intel.agentdiet.dev/v1/security-audit-dag?utm_source=zero.xyz
- Price: $0.01/call
- Payment: MPP
- Status: unknown
- Last checked: 2026-10-28
- Activations on Zero: 0
- Provider: token-intel.agentdiet.dev
- Website: https://token-intel.agentdiet.dev
- Canonical page: https://www.zero.xyz/c/token-intel-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-a9a69b73
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_F5SgeSTE6yAl-3yI2bzvc

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 token-intel-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-a9a69b73 -d '<json body>'
```

Example prompt: Search for MCP servers or A2A tools that can handle 'company enrichment' and route my request through the safe-proxy with prompt-guard protection enabled.

## When to prefer this

Choose this endpoint when an AI agent needs to discover and route to multiple MCP servers or A2A tools without managing dozens of individual connections, especially when token budget is a concern or when prompt-injection safety screening is required before routing to third-party tools.

## Known failure modes

- Empty or vague query returns no meaningful matches
- Endpoint URL provided for verification may be unreachable or return a false-safe result
- Token compression may strip edge-case tool metadata
- Rate limiting or 402 payment required if per-call budget is exhausted
- Prompt-Guard firewall may over-block legitimate but unusual tool descriptions

## 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://token-intel.agentdiet.dev/v1/security-audit-dag)

## Output

Returns matched MCP server and A2A tool listings relevant to the query, with 85% token-compressed manifests, safety-filtered results via the Prompt-Guard firewall, and routing metadata enabling the agent to call discovered tools through a single proxied connection.

## 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/token-intel-agentdiet-dev-universal-a2a-mcp-tool-discovery-safe-proxy-a9a69b73/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from token-intel.agentdiet.dev](https://www.zero.xyz/host/token-intel.agentdiet.dev/llms.txt)