Assay A2A, MCP & x402 Pre-Flight Verifier & Observatory

What you can do with Assay A2A, MCP & x402 Pre-Flight Verifier & Observatory

Assay A2A, MCP & x402 Pre-Flight Verifier & Observatory is a Model Context Protocol (MCP) server published by robertoyanguas-ops. It ranks #77,202 of 150,963 active servers on MCP Toplist. Assay A2A, MCP & x402 Pre-Flight Verifier & Observatory is listed on Official MCP, with 2 tracked versions. It was first listed on Oct 17, 2026 and most recently updated on Oct 21, 2026.

What Assay A2A, MCP & x402 Pre-Flight Verifier & Observatory can and cannot do

MCP Toplist connected to the public endpoint on Oct 20, 2026 and it listed 4 tools. Tool names are not stored, so what they do is not catalogued here.

Not verifiedMCP Toplist has not catalogued this server's tools or limitations. The repository README lists them.

What you need before using Assay A2A, MCP & x402 Pre-Flight Verifier & Observatory

Connect Assay A2A, MCP & x402 Pre-Flight Verifier & Observatory and confirm it works

claude mcp add --transport http assay https://assay.agentdiet.dev/mcp

[mcp_servers.assay]
url = "https://assay.agentdiet.dev/mcp"

https://assay.agentdiet.dev/mcp

{
  "mcpServers": {
    "assay": {
      "url": "https://assay.agentdiet.dev/mcp"
    }
  }
}

{
  "servers": {
    "assay": {
      "type": "http",
      "url": "https://assay.agentdiet.dev/mcp"
    }
  }
}

{
  "mcpServers": {
    "assay": {
      "serverUrl": "https://assay.agentdiet.dev/mcp"
    }
  }
}

{
  "mcpServers": {
    "assay": {
      "url": "https://assay.agentdiet.dev/mcp"
    }
  }
}

What changed, and when this was checked

First listed

Oct 17, 2026

Latest version published

Oct 21, 2026

Version history

2 versions tracked (below)

Requirements evidence

Verified by MCP Toplist on Oct 20, 2026: the public endpoint completed the MCP handshake and listed 4 tools without credentials.

Profile checked

Not yet — purpose, capabilities and requirements above come from registry data only

Ranking data as of

Oct 21, 2026

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Show your rank

Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.

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