What is ontomics?
ontomics is a MCP server by EtienneChollet that semantic code index that extracts domain concepts, naming conventions and behavioral similarity from codebases. It is listed under Developer tools and has 43 GitHub stars.
| Type | Mcp server |
|---|---|
| Author | EtienneChollet |
| Repository | EtienneChollet/ontomics |
| Popularity | 43 GitHub stars |
| Category | Developer tools |
| Security | Low risk (96/100) |
| Rank | #926 of 4,418 MCP servers; #227 in Developer tools |
| License | MIT |
| Last commit | 2026-04-17 |
| Runs | Locally |
| Language | Rust |
| Platforms | macOS, Linux |
Is ontomics safe to install?
ontomics 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 ontomics?
- 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/EtienneChollet/ontomics
- 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 ontomics -- <command from README> claude mcp add --transport http ontomics <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 ontomics for you:
Add the "ontomics" MCP server from https://github.com/EtienneChollet/ontomics 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.