io.github.jeresalmisto/calcfi-mcp
calcfi-mcp
24 free personal-finance + macro tools (mortgage, paycheck, tax, FRED, BLS) for LLM agents.
alive probed 2026-10-15
25tools
5.9ktokens in Claude Opus 5.5
6.2ktokens in Claude Code
2.9 %of a 200k context window
3.2ko200k_base estimate
155 msto initialize
42 msto list tools
- Run it
- npx -y calcfi-mcp-server@0.1.6 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- calcfi-mcp 0.1.1
- Capabilities
- prompts, resources, tools
- Instructions
- none
- Claude count
- Claude Opus 5.5, measured 2026-10-15. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/jeresalmisto/calcfi-mcp
- Website
- https://calcfi.app
- Registry
- active, updated 2026-05-30 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| mortgage_affordability | 247 | 8 % |
| cite_this | 225 | 7 % |
| mortgage_payment | 216 | 7 % |
| paycheck_takehome | 192 | 6 % |
| save_scenario | 168 | 5 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.jeresalmisto/calcfi-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.