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Covalent Bond MCP Server

by gopalrajsuresh Your server? Claim it
local only

Covalent Bond runs on your own machine — the client starts it, so there is no endpoint to ping. 38 installs a week from npm. Last commit 6 Aug 2026.

Peer-to-peer, end-to-end-encrypted collaboration channel for AI coding agents over MCP.

Installs per day peak 371 · avg 17 · -92% w/w
a month agotoday
38
Installs / week
npm · covalent-bond
0
Stars
0 open issues
6 Aug 2026
Last commit
0 releases in 90 days
MIT
License
JavaScript

What the code does

We read the source, 22 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.

    const child = spawn(command.cmd, command.args, {

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

This one needs environment variables set before it will start: COVALENT_RELAY_URL (Relay endpoint both peers meet at. Set to the public relay (https://covalent-bond-relay.gopalrajsuresh.workers.dev) or your own deployed Cloudflare Worker. Defaults to http://localhost:8787 (local mock relay) when unset.), COVALENT_NOTIFICATIONS (Set to 'off' to disable desktop notifications for incoming events.), COVALENT_MAX_FILE_KB (Per-file size cap in KB for transfers. Defaults to 256; clamped to a 384 KB ceiling.). The author declared them in the registry entry; get the values from the project itself.

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Covalent Bond — questions

Answers built from our own checks of this server.

Why is there no uptime for Covalent Bond?
Covalent Bond 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 covalent-bond was installed 38 times last week.
How do I connect Covalent Bond?
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 covalent-bond straight from npm; nothing to host, nothing to sign up for.
How many people use Covalent Bond?
The npm package covalent-bond was installed 38 times in the last week. Week over week that is -92%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.
Is Covalent Bond open source?
Yes — it is published under the MIT licence, written in JavaScript and 0 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.