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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 onchain-risk.agentdiet.dev, paid per call via MPP, $0.01/call, status unknown (last checked 2026-10-21).
Searches and routes to 500+ indexed MCP servers and A2A tools via a single meta-router endpoint 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://onchain-risk.agentdiet.dev/v1/a2a-mesh)
Output
Returns a list of matching MCP server endpoints or A2A tool descriptors from the 500+ indexed registry, with 85% token-compressed manifests and Prompt-Guard firewall screening applied. Each result includes routing metadata and capability summaries for the matching tools.
Example use cases
Finding a GitHub security audit tool
“Search the MCP tool index for something that can do GitHub security audits — I need to scan a repo for vulnerabilities and want to know which agent or server to call.”
Routing to on-chain risk analysis
“Find me an MCP server or A2A tool in your index that handles on-chain risk scoring for DeFi tokens — I want to plug my agent into it directly.”
Discovering email verification capability
“I need an agent tool that can verify email addresses at scale — search the meta-router index for any MCP servers covering email verification and give me the best option.”
Technical details
Endpoint
GEThttps://onchain-risk.agentdiet.dev/v1/a2a-mesh?utm_source=zero.xyzWhen to prefer
Use this endpoint when an agent needs to dynamically discover which MCP servers or A2A tools can fulfill a capability at runtime, rather than hardcoding tool endpoints. Ideal for swarm orchestration, meta-routing across heterogeneous tool ecosystems, and when token budget is constrained (85% compression). Prefer over manual tool registries when breadth of coverage (500+ servers) matters.
Side effects
- Empty query string returns validation error
- No matching tools found returns empty result set
- Prompt injection attempt blocked by Prompt-Guard firewall
- x402 payment required if micropayment not settled
- Indexed server may be stale or offline if index is not current
- Overly broad query returns too many low-relevance results
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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