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Imperium Pre-Flight Readiness Auditor — A2A, MCP & x402 Validator MCP Server

answering

Imperium Pre-Flight Readiness Auditor — A2A, MCP & x402 Validator is answering right now. Last checked 12 min ago. It exposes 2 tools. Last commit 17 Oct 2026.

Audit any domain or agent for A2A, MCP, x402, MPP, ERC-8004, and Poppy readiness.

Uptime history 6 days of history · worst day 99%
6 days agonow
100.0%
Uptime 24h
91 of 91 checks
2
Tools
read from the server
419 ms
Response time
average over 24h
0
Stars
last commit 17 Oct 2026

Imperium Pre-Flight Readiness Auditor — A2A, MCP & x402 Validator missed one check this week

Everything else answered, so this is steady rather than shaky. We check every 15 minutes, which is how a one-off gets told apart from the start of a pattern, and how you hear about the next one within the hour instead of from your users.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 12 min ago.

run in your terminal
claude mcp add preflight --transport http https://preflight.agentdiet.dev/mcp
Settings → Connectors → Add custom connector, then paste this address
https://preflight.agentdiet.dev/mcp
~/.codex/config.toml
[mcp_servers.preflight]
url = "https://preflight.agentdiet.dev/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "preflight": {
      "url": "https://preflight.agentdiet.dev/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "preflight": {
      "type": "http",
      "url": "https://preflight.agentdiet.dev/mcp"
    }
  }
}

Available tools 2

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

agent
get_agent_wallet_status
Inspect an agent's account ledger: remaining free trial calls (out of 5), prepaid USD balance, cumulative spend, total API calls, and total LLM tokens saved. WHEN TO USE: Call before a batch of paid tool executions or after completing a Stripe or USDC top-up to confirm your balance. WHEN NOT TO USE: Do not use to process web content, execute marketplace tools, or submit payments; use the other tools on this server for execution. PARAMETER INTERACTIONS: Omit agent_id to inspect the default trial account derived from your client IP, or pass your explicit agent_id or agd_pass_ session key to check a specific funded wallet. Free and read-only: never charges a fee or consumes a free trial call. Example: get_agent_wallet_status(agent_id='example')
audit
audit_x402_and_a2a_endpoint
Audits any remote agent or MCP URL for JSON-RPC compliance, latency SLA, OpenAPI schema, and HTTP 402 settlement headers. WHEN TO USE: Call `audit_x402_and_a2a_endpoint` when your task requires deterministic `x402-audit` analysis for `url`; use `get_agent_wallet_status` to check your remaining free trial quota or prepaid balance. WHEN NOT TO USE: Do not use for unrelated domains or binary media. PARAMETER INTERACTIONS: Pass the target `url` as a non-empty string; omit `agent_id` and `tx_hash` during your 5 free trial calls, or supply `agent_id` (`agd_pass_...`) / `tx_hash` for paid execution. Read-only and idempotent; results are cached for 1 hour (<5ms cache hit). $0.01 per call. Pricing: the first 5 calls per agent_id are free and failed calls are never charged. After 5 calls, the tool returns a payment-required quote (not a fatal error) with a $2 Stripe top-up link and Base/Solana USDC addresses; complete payment, then retry with your agd_pass_ key in agent_id or pass tx_hash. Example: audit_x402_and_a2a_endpoint(url='https://docs.stripe.com/api')

Endpoints

URLTransportStateLatencyChecked
https://preflight.agentdiet.dev/mcp streamable-http answering 312 ms 12 min ago

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Imperium Pre-Flight Readiness Auditor — A2A, MCP & x402 Validator — questions

Answers built from our own checks of this server.

What can Imperium Pre-Flight Readiness Auditor — A2A, MCP & x402 Validator do?
It exposes 2 tools, read directly from the server on our last check. Among them: audit_x402_and_a2a_endpoint, get_agent_wallet_status. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →
Is Imperium Pre-Flight Readiness Auditor — A2A, MCP & x402 Validator working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 419 ms. The bar chart above shows every period we have measured.
How do I connect Imperium Pre-Flight Readiness Auditor — A2A, MCP & x402 Validator?
Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does Imperium Pre-Flight Readiness Auditor — A2A, MCP & x402 Validator need an API key?
No. Imperium Pre-Flight Readiness Auditor — A2A, MCP & x402 Validator completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 2 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is Imperium Pre-Flight Readiness Auditor — A2A, MCP & x402 Validator?
It answers our handshake in 419 ms on average, which is faster than 33% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.
Is Imperium Pre-Flight Readiness Auditor — A2A, MCP & x402 Validator open source?
The code is open source: it is published under the MIT licence, written in Python, 0 stars on GitHub and 1 open issue. The licence covers the code in the repository, not the hosted service at preflight.agentdiet.dev, which runs on its operator's own terms.