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1Claw Vault MCP Server

local only

1Claw Vault runs on your own machine — the client starts it, so there is no endpoint to ping. 472 installs a week from npm. Last commit 17 Sep 2026.

HSM-backed vault secrets for AI agents (JIT fetch) plus prompt-injection and threat scanning.

Installs per day peak 865 · avg 239 · -50% w/w
a month agotoday
472
Installs / week
npm · @1claw/mcp
2
Stars
0 open issues
17 Sep 2026
Last commit
0 releases in 90 days
MIT
License
TypeScript

Nothing serious here today

Today is the operative word: we check 1Claw Vault every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

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 1claw-mcp -- npx -y @1claw/mcp
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "1claw-mcp": {
      "args": [
        "-y",
        "@1claw/mcp"
      ],
      "command": "npx"
    }
  }
}
~/.codex/config.toml
[mcp_servers.1claw-mcp]
command = "npx"
args = ["-y", "@1claw/mcp"]
.cursor/mcp.json
{
  "mcpServers": {
    "1claw-mcp": {
      "args": [
        "-y",
        "@1claw/mcp"
      ],
      "command": "npx"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "1claw-mcp": {
      "args": [
        "-y",
        "@1claw/mcp"
      ],
      "command": "npx"
    }
  }
}

This one needs environment variables set before it will start: ONECLAW_AGENT_API_KEY (Agent API key (ocv_...). Exchanged for a short-lived JWT; auto-discovers agent ID and vault. Recommended for stdio.), ONECLAW_AGENT_ID (Optional agent UUID when pinning identity (usually auto-discovered from the API key).), ONECLAW_VAULT_ID (Optional vault UUID when the agent can access multiple vaults.), ONECLAW_BASE_URL (Vault API base URL (default https://api.1claw.xyz).), ONECLAW_LOCAL_ONLY (Set to true for security-only mode (inspect_content only; no vault credentials).). The author declared them in the registry entry; get the values from the project itself.

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1Claw Vault — questions

Answers built from our own checks of this server.

Why is there no uptime for 1Claw Vault?
1Claw Vault 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 @1claw/mcp was installed 472 times last week.
How do I connect 1Claw Vault?
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 @1claw/mcp straight from npm; nothing to host, nothing to sign up for.
How many people use 1Claw Vault?
The npm package @1claw/mcp was installed 472 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 1Claw Vault open source?
Yes — it is published under the MIT licence, written in TypeScript and 2 stars on GitHub. The source link is on this page, so you can read exactly what it does with your data before you connect it.