What is thoughtdag?
thoughtdag is a MCP server by chenxiachan that search local AI-agent conversation history by file or exact phrase and recall original source turns through four read-only tools. It is listed under Knowledge & memory and has 651 GitHub stars.
| Type | Mcp server |
|---|---|
| Author | chenxiachan |
| Repository | chenxiachan/thoughtdag |
| Popularity | 651 GitHub stars |
| Category | Knowledge & memory |
| Security | Low risk (96/100) |
| Rank | #223 of 4,418 MCP servers; #20 in Knowledge & memory |
| License | MIT |
| Last commit | 2026-10-15 |
| Stars this week | +43 |
| Runs | Locally |
| Language | TypeScript |
| Platforms | macOS, Windows, Linux |
Is thoughtdag safe to install?
thoughtdag 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 thoughtdag?
- 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/chenxiachan/thoughtdag
- 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 thoughtdag -- <command from README> claude mcp add --transport http thoughtdag <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 thoughtdag for you:
Add the "thoughtdag" MCP server from https://github.com/chenxiachan/thoughtdag 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.