MCP Collection

Bitrovas PSBT-Check MCP Server

Check an unsigned Bitcoin PSBT before signing: recipients, fee, and lookalike addresses.

Business & Payments MIT license Added Oct 16, 2026 Self-hosted

Bitrovas PSBT-Check is a Business & Payments MCP (Model Context Protocol) server: Check an unsigned Bitcoin PSBT before signing: recipients, fee, and lookalike addresses. It is MIT-licensed and self-hosted from its source repository. Listed on MCP Collection since October 2026.

About Bitrovas PSBT-Check

Python SDK and MCP tool (psbt_check) that checks an unsigned Bitcoin transaction (PSBT) before signing: recipients, fee, and lookalike addresses. Paid per check in sats (21 sats) over Nostr NIP-90/NWC. Author: Bitrovas.

How to connect Bitrovas PSBT-Check to Claude, Cursor or VS Code

Bitrovas PSBT-Check is self-hosted. Install it from the source repository, then register its start command in your MCP client's config (Claude Code, Cursor, Windsurf or VS Code).

{
  "mcpServers": {
    "bitrovas-psbt-check": {
      "command": "<start command from the README>",
      "args": []
    }
  }
}

The exact command (often npx, uvx or docker) is in the project README at github.com/bitrovas/bitrovas-psbtcheck.

Bitrovas PSBT-Check FAQ

What is Bitrovas PSBT-Check?

Bitrovas PSBT-Check is a Model Context Protocol (MCP) server in the Business & Payments category. Check an unsigned Bitcoin PSBT before signing: recipients, fee, and lookalike addresses. MCP servers expose tools that AI assistants like Claude can call during a conversation.

How do I use Bitrovas PSBT-Check with Claude or Cursor?

Bitrovas PSBT-Check is self-hosted. Install it from the source repository, then register its start command in your MCP client's config (Claude Code, Cursor, Windsurf or VS Code).

Is Bitrovas PSBT-Check free to use?

Bitrovas PSBT-Check is published under the MIT license, so the software itself is free to run. Hosted or API-backed servers may have their own usage tiers; check the project homepage.

Where is the source code for Bitrovas PSBT-Check?

The source is at github.com/bitrovas/bitrovas-psbtcheck.

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