PIO Agent MCP Server

by jl-codes Your server? Claim it

local only

PIO Agent runs on your own machine — the client starts it, so there is no endpoint to ping. 565 installs a week from npm. Last commit 5 Oct 2026.

Build, inspect, flash, and monitor PlatformIO firmware projects with policy-controlled tools.

Installs per day peak 330 · avg 53 · -60% w/w

a month agotoday

565

Installs / week

npm · platformio-mcp

Stars

6 open issues

5 Oct 2026

Last commit

2 releases in 90 days

MIT

License

JavaScript

What the code does

We read the source, 6 d ago · rules ccca72095570

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.

Runs an external command packages/python-launcher/src/pio_agent_launcher/__main__.py:89

    child = subprocess.Popen(command, env=environment, shell=False)

Builds a file path from a variable plugins/platformio-mcp/runtime/native/serialport.cjs:3241, src/core/dependency-project.ts:43, src/core/devices/device-lease.ts:386 и ещё 4

        var prebuilds = path.join(dir2, "prebuilds", tuple.name);

Runs an external command src/core/analysis/analysis-process.ts:74, src/core/ota/espota-process.ts:137, src/platformio.ts:62 и ещё 4

    execFile(

Dumps the whole environment plugins/platformio-mcp/runtime/native/serialport.cjs:1392, [пакет] plugins/platformio-mcp/runtime/native/serialport.cjs:1392

    exports2.inspectOpts = Object.keys(process.env).filter((key) => {

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.

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.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add platformio-mcp -- npx -y platformio-mcp

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "platformio-mcp": {
      "args": [
        "-y",
        "platformio-mcp"
      ],
      "command": "npx"
    }
  }
}

~/.codex/config.toml

[mcp_servers.platformio-mcp]
command = "npx"
args = ["-y", "platformio-mcp"]

.cursor/mcp.json

{
  "mcpServers": {
    "platformio-mcp": {
      "args": [
        "-y",
        "platformio-mcp"
      ],
      "command": "npx"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "platformio-mcp": {
      "args": [
        "-y",
        "platformio-mcp"
      ],
      "command": "npx"
    }
  }
}

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PIO Agent — questions

Answers built from our own checks of this server.

Why is there no uptime for PIO Agent?

PIO Agent 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 platformio-mcp was installed 565 times last week.

How do I connect PIO Agent?

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 platformio-mcp straight from npm; nothing to host, nothing to sign up for.

How many people use PIO Agent?

The npm package platformio-mcp was installed 565 times in the last week. Week over week that is -60%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.

Is PIO Agent open source?

Yes — it is published under the MIT licence, written in JavaScript, 52 stars on GitHub and 6 open issues. The source link is on this page, so you can read exactly what it does with your data before you connect it.