MCP server

Bitcoin PSBT, Address & Descriptor Verifier + WorkSats L402 MCP

dev.workers.jeffpersons.botcheck/bitcoin-psbt-descriptor-l402-worksats

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Verify Bitcoin PSBTs, addresses, and BIP380 descriptors; earn or spend WorkSats L402 bearer credits.

Working at last checkAbout 2,114 tokens per request once connected6 tools

Website

https://botcheck.jeffpersons.workers.dev/mcp?client=registry

At a glance

Type: MCP server
Publisher: Not verified
Status: Working at last check
Tools: 6
Token cost: About 2,114 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to Cursor Add to VS Code VS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http bitcoin-psbt-descriptor-l402-worksats https://botcheck.jeffpersons.workers.dev/mcp?client=registry

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.bitcoin-psbt-descriptor-l402-worksats]
url = "https://botcheck.jeffpersons.workers.dev/mcp?client=registry"

Gemini CLI

{"mcpServers":{"bitcoin-psbt-descriptor-l402-worksats":{"httpUrl":"https://botcheck.jeffpersons.workers.dev/mcp?client=registry"}}}

Cursor

{"mcpServers":{"bitcoin-psbt-descriptor-l402-worksats":{"url":"https://botcheck.jeffpersons.workers.dev/mcp?client=registry"}}}

VS Code

{"servers":{"bitcoin-psbt-descriptor-l402-worksats":{"type":"http","url":"https://botcheck.jeffpersons.workers.dev/mcp?client=registry"}}}

Antigravity

agy mcp add bitcoin-psbt-descriptor-l402-worksats https://botcheck.jeffpersons.workers.dev/mcp?client=registry

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"bitcoin-psbt-descriptor-l402-worksats","server_url":"https://botcheck.jeffpersons.workers.dev/mcp?client=registry","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"bitcoin-psbt-descriptor-l402-worksats","server_url":"https://botcheck.jeffpersons.workers.dev/mcp?client=registry"}

Tools

check_bitcoin_address ~280 tokens
Verify 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 tier: 2 calls/day per IP; after that, pass a WorkSats `creditToken` (`crd_...`), L402 header, or Base
check_descriptor ~308 tokens
Validate 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 derives sample addresses and scriptPubKeys. Never send xprv, WIF, or seed phrases.
check_psbt ~258 tokens
Inspect 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, and flags high-fee or missing-prevout risks. Never send private keys or seed phrases.
worksats_credits ~604 tokens
Manage 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 Base USDC, `bounty_create` to escrow credits for a verifiable task (`sha256`, `descriptor_derive`, `ad
worksats_get_task ~189 tokens
Fetch 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_task` to mint bearer credits (`crd_...`).
worksats_solve_task ~475 tokens
Submit 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-specific fields (`addresses`, `address`, `scriptPubKey`, `feeSats`, `inputCount`, `outputCount`, `dat

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