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Proofrun MCP Server

by workers-jeffmarcilliat-proofrun-closed Your server? Claim it
answering

Proofrun is answering right now. Last checked 8 min ago. It exposes 5 tools.

ProofRun: bounded HTTP acceptance checks for agent deployments. $0.01 USDC per pack.

Uptime history 28 days of history · worst day 99%
28 days agonow
100.0%
Uptime 24h
91 of 91 checks
5
Tools
read from the server
674 ms
Response time
average over 24h
open, no key
Access
streamable-http

What changed 4

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 13 October 2026. No other catalogue keeps this.

15 Oct 2 tools appeared preflight_pack, read_report
13 Oct a tool description was rewritten verify_deployment
13 Oct a tool changed the parameters it asks for verify_deployment

Nothing serious here today

Today is the operative word: we check Proofrun every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

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 8 min ago.

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

Available tools 5

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

verify
verify_deployment
Return a $0.01 native Base USDC x402 challenge without paying. For execution supply a verified enrollment, private read token, idempotency key and caller-created payment_signature or headers.PAYMENT-SIGNATURE. Only that payment header is accepted; enrollment/read token/idempotency remain explicit. Never creates a wallet signature. Returns bounded independent HTTP assertions, not security or full-application certification.
verify_target
Verify the exact proof file for a previously started enrollment. Successful enrollment expires after 24 hours.
enroll
enroll_target
Start authorization and origin-control proof for up to five exact read-only HTTPS GET paths. Serve the returned proof JSON at proof_url before verifying. Private read_token must be generated and saved by the caller.
preflight
preflight_pack
Free configuration and enrollment preflight before paying. Validates exact authorized paths, pack and idempotency format; refuses an existing caller payment attempt. Makes no target request, signature, settlement or ledger write. Not a deployment test, wallet/balance check or capacity reservation.
report
read_report
Read or reconcile the original private report for a purchase. Use the ORIGINAL idempotency_key, not the report_id UUID. Free; never signs or charges. If state is uncertain do not pay again. Requires the original private read token; reports expire after seven days.

Endpoints

URLTransportStateLatencyChecked
https://proofrun-closed.jeffmarcilliat.workers.dev/mcp streamable-http answering 645 ms 8 min ago

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Proofrun — questions

Answers built from our own checks of this server.

What can Proofrun do?
It exposes 5 tools, read directly from the server on our last check. Among them: enroll_target, preflight_pack, read_report, verify_deployment, verify_target. 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 Proofrun 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 674 ms. The bar chart above shows every period we have measured.
How do I connect Proofrun?
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 Proofrun need an API key?
No. Proofrun completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 5 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is Proofrun?
It answers our handshake in 674 ms on average, which is faster than 13% of all working MCP servers we measure. That is on the slow side — worth knowing if the tool sits inside an interactive loop. The comparison comes from our own checks across the whole registry, every 15 minutes.