What is osnova?
osnova is a MCP server by getdomovoi that deterministic code map for AI coding agents: a tree-sitter symbol and call graph with exact file:line callers and callees, the evidence behind each edge, diff impact and test discovery. It is listed under Developer tools and has 1 GitHub stars.
| Type | Mcp server |
|---|---|
| Author | getdomovoi |
| Repository | getdomovoi/osnova |
| Popularity | 1 GitHub stars |
| Category | Developer tools |
| Security | Low risk (96/100) |
| Rank | #3,239 of 4,418 MCP servers; #647 in Developer tools |
| License | Apache-2.0 |
| Last commit | 2026-10-17 |
| Runs | Locally |
| Language | TypeScript |
| Platforms | macOS, Windows, Linux |
Is osnova safe to install?
osnova 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 osnova?
- 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/getdomovoi/osnova
- 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 osnova -- <command from README> claude mcp add --transport http osnova <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 osnova for you:
Add the "osnova" MCP server from https://github.com/getdomovoi/osnova 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.