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Mizuki MCP Server

local only

Mizuki runs on your own machine — the client starts it, so there is no endpoint to ping. 55 installs a week from npm. Last commit 26 Oct 2026.

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

Installs per day peak 19 · avg 6 · +50% w/w
a month agotoday
55
Installs / week
npm · mizuki-mcp
8
Stars
10 open issues
26 Oct 2026
Last commit
3 releases in 90 days
Apache-2.0
License
Rust

What the code does

We read the source, 32 min ago · rules 995398eba69f

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"…
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.

Three servers free · no card

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.

run in your terminal
claude mcp add mizuki -- npx -y mizuki-mcp
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "mizuki": {
      "command": "npx",
      "args": [
        "-y",
        "mizuki-mcp"
      ]
    }
  }
}
~/.codex/config.toml
[mcp_servers.mizuki]
command = "npx"
args = ["-y", "mizuki-mcp"]
.cursor/mcp.json
{
  "mcpServers": {
    "mizuki": {
      "command": "npx",
      "args": [
        "-y",
        "mizuki-mcp"
      ]
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "mizuki": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "mizuki-mcp"
      ]
    }
  }
}

Optional settings from the registry entry, left out of the block above: MIZUKI_API_URL (Mizuki API base URL. Defaults to the public service), MIZUKI_API_TOKEN (Maintainer API token. Only needed for repository, preflight, and payment-status tools; quoting and public reads work without it), MIZUKI_MCP_TIMEOUT_MS (Per-request timeout in milliseconds).

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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 55 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 in the form 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 55 times in the last week. Week over week that is +50%. 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.