What is platformio.mcp?
platformio.mcp is a MCP server by powerdragonfire that build, flash and debug PlatformIO firmware: parsed compiler errors, serial monitoring, crash backtrace decoding, Unity tests and library management. It is listed under Cloud & infra and has 5 GitHub stars.
| Type | Mcp server |
|---|---|
| Author | powerdragonfire |
| Repository | powerdragonfire/platformio.mcp |
| Popularity | 5 GitHub stars |
| Category | Cloud & infra |
| Security | Low risk (84/100) |
| Rank | #2,177 of 4,418 MCP servers; #126 in Cloud & infra |
| License | MIT |
| Last commit | 2026-10-07 |
| Runs | Locally |
| Language | Python |
| Platforms | macOS, Windows, Linux |
Is platformio.mcp safe to install?
platformio.mcp scores 84/100 on the MCPMods security check: Low risk. Things to review: can take actions such as send, write or deploy. It passed 4 of 6 checks.
MCP server results come from listing signals: who publishes it, where your data goes and what it can do. The code itself is not scanned yet.
| Check | Result |
|---|---|
| Community-built server | Note |
| Runs on your machine only | Pass |
| No credentials mentioned | Pass |
| Can take actions such as send, write or deploy | Review |
| No code execution | Pass |
| Source on GitHub | Pass |
How do I install platformio.mcp?
- Find the launch command. The README says how the server starts (npx, uvx, docker or a remote URL) and which API keys it needs.
https://github.com/powerdragonfire/platformio.mcp
- Add it to Claude Code. Replace the part after -- with the command from the README. Remote servers use --transport http with a URL.
claude mcp add platformio-mcp -- <command from README> claude mcp add --transport http platformio-mcp <server-url>
- Check it connected. This lists your MCP servers and their status.
claude mcp list
Or ask Claude to set it up
Paste this into Claude Code and it installs platformio.mcp for you:
Add the "platformio.mcp" MCP server from https://github.com/powerdragonfire/platformio.mcp to Claude Code. Read its README for the launch command and any API keys I need, run claude mcp add, then check that it connects.