What is signalint?
signalint is a MCP server by TranQui004 that compact JavaScript/TypeScript diagnostics: clusters and prioritizes Oxlint, tsc and Biome issues, caches results and detects recurring diagnostic loops. It is listed under Developer tools and has 1 GitHub stars.
| Type | Mcp server |
|---|---|
| Author | TranQui004 |
| Repository | TranQui004/signalint |
| Popularity | 1 GitHub stars |
| Category | Developer tools |
| Security | Low risk (96/100) |
| Rank | #3,258 of 4,418 MCP servers; #666 in Developer tools |
| License | MIT |
| Last commit | 2026-10-16 |
| Runs | Locally |
| Language | TypeScript |
| Platforms | macOS, Windows, Linux |
Is signalint safe to install?
signalint scores 96/100 on the MCPMods security check: Low risk. No checks raised a concern. It passed 5 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 |
| Read-only by description | Pass |
| No code execution | Pass |
| Source on GitHub | Pass |
How do I install signalint?
- 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/TranQui004/signalint
- 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 signalint -- <command from README> claude mcp add --transport http signalint <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 signalint for you:
Add the "signalint" MCP server from https://github.com/TranQui004/signalint 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.