io.github.rwnalds/engram
Engram
Is the Engram MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-27.
Git-backed markdown memory for AI agents; search hides superseded and archived notes.
alive probed 2026-11-14 · unchanged since 2026-10-27
16tools
3.9ktokens in Claude Opus 5.5
2.0 %of Claude's 200k window
1.6×the median server
373 msto initialize
5 msto list tools
- Run it
- docker run -i --rm ghcr.io/rwnalds/engram:0.1.2 (stdio, probed in a container with the network off)
- Host
- ghcr.io
- Reports itself as
- engram 0.1.2
- Capabilities
- tools
- Instructions
- none
- Of a 1M window
- 0.4 % of a 1M context window
- Count
- 3.9k tokens in Claude Opus 5.5, exact, measured 2026-10-28. With the Claude Code prefix mcp__…__ on each tool name: 4.0k. The o200k_base estimate is 2.4k. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/rwnalds/engram
- Website
- https://github.com/rwnalds/engram
- Registry
- active, updated 2026-07-21 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.64×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| brain_search | 746 | 454 | 19 % |
| brain_write | 710 | 432 | 18 % |
| brain_supersede | 492 | 299 | 13 % |
| brain_edit | 330 | 201 | 8 % |
| brain_read | 283 | 172 | 7 % |
Compare this server with others.
More servers
Other registry entries on ghcr.io, the ones next to this name; all of them.
- io.github.rosch100/mcp-sqlite · not found
- klaws — Korean compliance risk scanner io.github.rostradamus/klaws · alive
- io.github.rustok-org/rustok-wallet · timeout
- Hevy MCP (Remote) io.github.rwestergren/hevy-mcp-remote · not probed
- Sheriff io.github.ryansmith4/sheriff-mcp · alive
- io.github.sachitrafa/cognitive-ai-memory · needs env
- mergelock io.github.sadayamuthu/mergelock · alive
- SafeDep Vet MCP io.github.safedep/vet-mcp · crashed on start
Servers that mention engram.
- OneDroid Engram ai.onedroid/engram · needs auth
- Engram app.getengram/engram · needs auth
- io.github.alibaizhanov/mengram · needs auth
- Engram: AI memory you can edit in Obsidian io.github.engram-app/engram · needs auth
- Engram tools.engram/engram · alive
- Piia Engram io.github.Patdolitse/piia-engram · crashed on start
- EngrAmo app.engramo/mcp · needs auth
- Engram ro.rootcause/engram · needs auth
Badge for the README
The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.
A mail when this server changes
Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.
For the publisher
- The server answers initialize and tools/list. Nothing to fix.