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NexQL Postgres MCP Server

by nexql-oss Your server? Claim it
local only

NexQL Postgres MCP runs on your own machine — the client starts it, so there is no endpoint to ping. 97 installs a week from npm. Last commit 25 Aug 2026.

Standalone Postgres MCP server — schema-aware, read-only by default, installable everywhere.

Installs per day peak 424 · avg 49
a month agotoday
97
Installs / week
npm · nexql-mcp
0
Stars
0 open issues
25 Aug 2026
Last commit
0 releases in 90 days
GPL-3.0
License
Rust

What the code does

We read the source, 19 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.

Claims read-only, but the code runs commands npm/bin/nexql-mcp.js:101, [пакет] bin/nexql-mcp.js:101
  const result = spawnSync(binaryPath, process.argv.slice(2), {
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.

File ships in the package but is absent from the source [пакет] bin/nexql-mcp.js:1
этот файл ставится пользователю, но в репозитории его нет
Builds a database query by concatenation crates/nexql-tools/src/sql.rs:253
SELECT
  blks_hit,
  blks_read,
  CASE WHEN blks_hit + blks_read = 0 THEN NULL
  const result = spawnSync(binaryPath, process.argv.slice(2), {
      const candidate = path.join(pkgRoot, subpath);
Page executes code built at runtime crates/nexql-mcp/assets/setup/index.html:1225
      box.innerHTML = `
        <div class="review-block">
          <h3>Basics</h3>
          <dl>
            <div class="review-row"><dt>Name</dt><dd>${editorDisplay(editorField('f-name'))}</dd></div>
            <div class="review-row"><dt>Access</dt><dd>${editorDisplay(docum…

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

This one needs environment variables set before it will start: DATABASE_URL (Postgres connection string, used when no positional URL or --profile is given.), NEXQL_MCP_CONFIG (Path to config.toml (default: ~/.config/nexql-mcp/config.toml).). The author declared them in the registry entry; get the values from the project itself.

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NexQL Postgres MCP — questions

Answers built from our own checks of this server.

Why is there no uptime for NexQL Postgres MCP?
NexQL Postgres MCP 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 nexql-mcp was installed 97 times last week.
How do I connect NexQL Postgres MCP?
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 nexql-mcp straight from npm; nothing to host, nothing to sign up for.
How many people use NexQL Postgres MCP?
The npm package nexql-mcp was installed 97 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 NexQL Postgres MCP open source?
Yes — it is published under the GPL-3.0 licence, written in Rust 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.