io.github.narumiruna/yfinance-mcp
Yahoo Finance
Access Yahoo Finance stock data, news, screeners, options, financials, and charts through MCP.
alive probed 2026-10-14
15tools
7.6ktokens in Claude Opus 5.5
7.8ktokens in Claude Code
3.8 %of a 200k context window
4.3ko200k_base estimate
8.0 sto initialize
10 msto list tools
- Run it
- uvx yfmcp==0.14.0 (stdio, probed in a container with the network off)
- Host
- pypi.org
- Reports itself as
- yfinance_mcp 1.30.0
- Capabilities
- experimental, prompts, resources, 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/narumiruna/yfinance-mcp
- Website
- https://github.com/narumiruna/yfinance-mcp
- Registry
- active, updated 2026-08-16 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| yfinance_get_price_history | 658 | 15 % |
| yfinance_screen | 465 | 11 % |
| yfinance_get_option_chain | 334 | 8 % |
| yfinance_search | 325 | 8 % |
| yfinance_get_top | 323 | 8 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.narumiruna/yfinance-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.