What is obsidian-codex-mcp?
obsidian-codex-mcp is a MCP server by dot-RealityTest that local Obsidian vault access working directly on Markdown files without the Obsidian app or plugins, with read-only mode, backup-on-write and path isolation. It is listed under Knowledge & memory and has 17 GitHub stars.
| Type | Mcp server |
|---|---|
| Author | dot-RealityTest |
| Repository | dot-RealityTest/obsidian-codex-mcp |
| Popularity | 17 GitHub stars |
| Category | Knowledge & memory |
| Security | Low risk (84/100) |
| Rank | #1,403 of 4,418 MCP servers; #151 in Knowledge & memory |
| License | MIT |
| Last commit | 2026-10-16 |
| Stars this week | +1 |
| Runs | Locally |
| Language | Python |
| Platforms | macOS, Windows, Linux |
Is obsidian-codex-mcp safe to install?
obsidian-codex-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 obsidian-codex-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/dot-RealityTest/obsidian-codex-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 obsidian-codex-mcp -- <command from README> claude mcp add --transport http obsidian-codex-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 obsidian-codex-mcp for you:
Add the "obsidian-codex-mcp" MCP server from https://github.com/dot-RealityTest/obsidian-codex-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.