What is layermap?
layermap is a MCP server by coffeecoproject that compiler-resolved call graph for TypeScript/JavaScript, Go, Python and Java that traces a function's callers up to HTTP routes and handlers in one call. It is listed under Developer tools and has 6 GitHub stars.
| Type | Mcp server |
|---|---|
| Author | coffeecoproject |
| Repository | coffeecoproject/layermap |
| Popularity | 6 GitHub stars |
| Category | Developer tools |
| Security | Low risk (96/100) |
| Rank | #2,041 of 4,418 MCP servers; #453 in Developer tools |
| License | Apache-2.0 |
| Last commit | 2026-10-17 |
| Runs | Locally |
| Language | TypeScript |
| Platforms | macOS, Linux |
Is layermap safe to install?
layermap 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 layermap?
- 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/coffeecoproject/layermap
- 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 layermap -- <command from README> claude mcp add --transport http layermap <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 layermap for you:
Add the "layermap" MCP server from https://github.com/coffeecoproject/layermap 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.