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How to add the ZeroWidth Ledger MCP server to Claude Code

Server URL: https://api.zerowidth.ai/mcp/x/ledger
Sign-in: No sign-in. Paste the URL and it connects.
Our hands-on result: Partial 6 of 7 tasks passed, tested Oct 18, 2026 with MCP TypeScript SDK (reference client).

Claude Code setup

claude mcp add --transport http ai-zerowidth-ledger https://api.zerowidth.ai/mcp/x/ledger
  1. Run the command, then run claude mcp get ai-zerowidth-ledger to confirm it connected.

We ran the hands-on test in a reference client, not in Claude Code. This config follows Claude Code's documented format for remote (Streamable HTTP) servers. If it fails for you, tell us and we will retest.

Same server, other clients

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