Mizuki MCP Server

by opencovenant Your server? Claim it

local only

Mizuki runs on your own machine — the client starts it, so there is no endpoint to ping. 367 installs a week from npm. Last commit 7 Sep 2026.

Fixed-price maintenance for public GitHub issues, paid in USDC on Solana.

Installs per day peak 333 · avg 12

a month agotoday

367

Installs / week

npm · mizuki-mcp

Stars

10 open issues

7 Sep 2026

Last commit

0 releases in 90 days

Apache-2.0

License

Rust

What the code does

We read the source, 16 h ago · rules 3dff92dd89df

Capabilities

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

A line of code looks encrypted services/indexer/src/verified.rs:474

            r#"{"type":"covenant_endpoint_attestation_v1","url":"https://example.com/x402/foo","network":"solana","asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","payTo":"ZAU64eKWAgiGNux8bzvgRn8RvWqFhdMVrpJytF7V1qm","checks":{"live":true,"validX402Challenge":true},"source"…

Runs an external command services/covenant-trust-mcp/test-client.mjs:151, apps/desk/src/surfaces/cli/index.ts:568, services/coding-gateway/src/types.ts:159

const child = spawn(process.execPath, ['dist/server.js'], {

Executes code built at runtime services/proof-gen/src/rate-limit.ts:44

    const raw = (await deps.connection.eval(

Touches key and credential files agent-os/crates/covenantd/src/main.rs:1345

     **/id_rsa*\n\

Sends data to a third-party sink agent-os/crates/covenantd/src/robinhood.rs:301

        let url = format!("https://api.telegram.org/bot{}/sendMessage", self.token);

Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

This code can reach further than it looks

We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.

Connect this server

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add mizuki -- npx -y mizuki-mcp

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "mizuki": {
      "args": [
        "-y",
        "mizuki-mcp"
      ],
      "command": "npx"
    }
  }
}

~/.codex/config.toml

[mcp_servers.mizuki]
command = "npx"
args = ["-y", "mizuki-mcp"]

.cursor/mcp.json

{
  "mcpServers": {
    "mizuki": {
      "args": [
        "-y",
        "mizuki-mcp"
      ],
      "command": "npx"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "mizuki": {
      "args": [
        "-y",
        "mizuki-mcp"
      ],
      "command": "npx"
    }
  }
}

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Mizuki — questions

Answers built from our own checks of this server.

Why is there no uptime for Mizuki?

Mizuki runs on your own machine over stdio — there is no network address to reach, so uptime cannot be measured for it by anyone. What can be measured is adoption: the npm package mizuki-mcp was installed 367 times last week.

How do I connect Mizuki?

Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It runs locally, so the command pulls mizuki-mcp straight from npm; nothing to host, nothing to sign up for.

How many people use Mizuki?

The npm package mizuki-mcp was installed 367 times in the last week. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.

Is Mizuki open source?

Yes — it is published under the Apache-2.0 licence, written in Rust, 8 stars on GitHub and 10 open issues. The source link is on this page, so you can read exactly what it does with your data before you connect it.