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ZeroWidth Ledger

Official registry Other

Log decisions with expectations, add evidence, and track metrics in Ledger.

Website

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http zerowidth-ledger 'https://api.zerowidth.ai/mcp/x/ledger' --header 'Authorization: <Bearer token: a workspace API key or personal access token from accounts.zerowidth.ai>'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "zerowidth-ledger": {
            "type": "http",
            "url": "https://api.zerowidth.ai/mcp/x/ledger",
            "headers": {
                "Authorization": "<Bearer token: a workspace API key or personal access token from accounts.zerowidth.ai>"
            }
        }
    }
}

Frequently asked questions

What is ZeroWidth Ledger?

Log decisions with expectations, add evidence, and track metrics in Ledger.

How do I install ZeroWidth Ledger?

It runs as a remote server. In Claude Code: claude mcp add --transport http zerowidth-ledger 'https://api.zerowidth.ai/mcp/x/ledger' --header 'Authorization: <Bearer token: a workspace API key or personal access token from accounts.zerowidth.ai>'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does ZeroWidth Ledger need an API key?

Yes. It expects Authorization, which you set in its configuration.

Who maintains ZeroWidth Ledger?

It is published by ai.zerowidth. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.