io.github.alexanderolvera/dfhack-mcp
Dwarf Fortress (DFHack)
MCP server exposing a live Dwarf Fortress fort to an AI agent as curated, semantic tools
alive probed 2026-10-14
45tools
25ktokens in Claude Opus 5.5
25ktokens in Claude Code
12.4 %of a 200k context window
15ko200k_base estimate
401 msto initialize
21 msto list tools
- Run it
- npx -y dfhack-mcp@1.4.1 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- dfhack-mcp 1.4.1
- Capabilities
- tools
- Instructions
- none
- Claude count
- Claude Opus 5.5, measured 2026-10-14. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/alexanderolvera/dfhack-mcp
- Website
- https://github.com/alexanderolvera/dfhack-mcp#readme
- Registry
- active, updated 2026-07-26 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| stockpiles | 761 | 5 % |
| fluids | 662 | 4 % |
| blueprint_apply | 561 | 4 % |
| livestock_and_pastures | 539 | 4 % |
| civilian_alert | 538 | 4 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.alexanderolvera/dfhack-mcp)
An entry for every probe that changed the result, the tool count or the token cost: Atom feed. Add it to a feed reader or a Slack RSS app to hear when the server stops answering or its tool set grows.