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Bray MCP Server

local only

Bray runs on your own machine — the client starts it, so there is no endpoint to ping. 268 installs a week from npm. Last commit 17 Sep 2026.

Trust-aware Nostr for AI agents -- 235 tools covering social, DMs, zaps, trust, and identity

Installs per day peak 1 026 · avg 120 · +186% w/w
a month agotoday
268
Installs / week
npm · nostr-bray
1
Stars
1 open issues
17 Sep 2026
Last commit
0 releases in 90 days
MIT
License
TypeScript

What the code does

We read the source, 20 h ago · rules 3dff92dd89df

Evidence

Things with no honest explanation: a promise that contradicts the code, code that runs at install time while hiding what it does, data leaving the machine.

Reaches cloud metadata service src/validation.ts:145
  '169.254.169.254',

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

We found things in this code

Code changes quietly between releases, and nobody reads the diff of a dependency. We do, on every release — watch Bray and you get told the day something new turns up.

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

This one needs environment variables set before it will start: NOSTR_SECRET_KEY (Nostr secret key (nsec, hex, or BIP-39 mnemonic)), NOSTR_RELAYS (Comma-separated list of Nostr relay WebSocket URLs), NWC_URI (Nostr Wallet Connect URI for Lightning zaps). The author declared them in the registry entry; get the values from the project itself.

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Bray — questions

Answers built from our own checks of this server.

Why is there no uptime for Bray?
Bray 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 nostr-bray was installed 268 times last week.
How do I connect Bray?
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 nostr-bray straight from npm; nothing to host, nothing to sign up for.
How many people use Bray?
The npm package nostr-bray was installed 268 times in the last week. Week over week that is +186%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.
Is Bray open source?
Yes — it is published under the MIT licence, written in TypeScript, 1 stars on GitHub and 1 open issue. The source link is on this page, so you can read exactly what it does with your data before you connect it.