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FinancialMCP serverFirst audited Nov 13, 2026

bot-check: Bitcoin Self-Custody & WorkSats MCP

Verify Bitcoin PSBTs, addresses, and descriptors; earn or spend WorkSats bearer credits.The vendor's description, from its MCP Registry listing.

Passed public checksAudited Nov 13, 2026

Every public check ran and passed. Public audit: we connect as an AI client would, list the tools and check what they say. We do not run them. How we audit

Does it work?
YesConnected in 138 ms.
Sign-up?
None neededIt answered without any account or key.
Can it change things?
YesSome tools say they can change things. Your AI client should ask you first.
Endpointhttps://botcheck.jeffpersons.workers.dev/mcp

Website Streamable HTTP · protocol 2025-03-26 · server version 0.1.0

What we checked, the evidence, and the tools it offers.

What we checked

Security

  • Passed: Connections are encrypted (HTTPS).

  • Passed: No hidden instructions found in tool text.

Safety labels

  • Note: 3 tools are labelled as able to change things.

    Expected for tools that send, write or buy. Your AI client should ask before calling them.

    • worksats_get_task
    • worksats_solve_task
    • worksats_credits
  • Passed: Every tool says whether it only reads or can change things.

Tools

  • Passed: 6 tools listed.

  • Passed: Every tool describes its inputs with a valid schema.

Protocol

  • Note: Protocol version 2025-03-26.

  • Passed: The MCP handshake works (Streamable HTTP).

  • Passed: Unknown requests are refused.

Connection

  • Passed: The server responds.

Tools (6)

As the server describes them. The labels are the server's own: it says whether each tool only reads or can change things.

  • check_bitcoin_addressVerify a Bitcoin address (Bech32m P2TR, Bech32 P2WPKH/P2WSH, Base58 P2PKH/P2SH): network, type, witness version, scriptPubKey hex, and common pitfalls. Never send private keys or seed phrases. Free t…Read-only
  • check_psbtInspect an unsigned or partially signed Bitcoin PSBT (BIP174 base64 or hex) before signing: decodes inputs, outputs, fee, fee rate (sat/vB), change detection, sighash types, taproot/witness scripts,…Read-only
  • check_descriptorValidate a Bitcoin output descriptor (wpkh, wsh, tr, pkh, sh, multi, sortedmulti, raw, addr, combo): verifies or computes the 8-character BIP380 checksum, checks derivation paths and xpubs, and deriv…Read-only
  • worksats_get_taskFetch an open buyer-funded bounty task or a deterministic house micro-task (`descriptor_checksum_and_derive`) from the WorkSats clearinghouse (`GET /v1/tasks/next`). Solve it and call `worksats_solve…Can change things
  • worksats_solve_taskSubmit a solved WorkSats task ticket (`tsk_...`) to mint a signed bearer credit token (`crd_...`). For house tasks, provide `checksum` and `scriptPubKeys`; for bounty tasks, provide `answer` or mode-…Can change things
  • worksats_creditsManage WorkSats bearer credits (`crd_...`): check `balance`, `split` credits to pay another bot, `rotate`/`merge` received tokens so the sender cannot double-spend, `mint` credits from L402 or x402 B…Can change things

Audit history

  1. Nov 13Passed

What we sent

Every request in this audit, with the answer and how long it took. We never send credentials and never call a tool.

RequestAnswerTime
initializeHTTP 200138 ms
initializedHTTP 20232 ms
tools/listHTTP 200182 ms
unknown-methodHTTP 20041 ms

Run this server, or disagree with the result?

Fix the issue and it shows in the next weekly audit, or email us to ask for a re-audit or to dispute a finding. Read how we audit for what each check means.