io.github.lonniev/optionality-mcp
optionality-mcp
Optionality — AI-judged options trading drill, Tollbooth-monetized MCP server
alive probed 2026-10-15 · HTTP 200
72tools
27ktokens in Claude Opus 5.5
28ktokens in Claude Code
13.6 %of a 200k context window
16ko200k_base estimate
2.0 sto initialize
2.5 sto list tools
- Endpoint
- https://optionality-mcp.fastmcp.app/mcp (streamable-http)
- Host
- optionality-mcp.fastmcp.app
- Protocol
- 2025-11-25
- Reports itself as
- optionality-mcp 0.7.4
- Capabilities
- experimental, extensions, logging, prompts, resources, tools
- Instructions
- 2 940 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-15. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/lonniev/optionality-mcp
- Registry
- active, updated 2026-08-24 · registry entry
- Reachable
- 9 of the last 9 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| optionality_update_coupon | 560 | 3 % |
| optionality_deal_scenario | 559 | 3 % |
| optionality_request_npub_proof | 558 | 3 % |
| optionality_list_journal | 428 | 3 % |
| optionality_receive_npub_proof | 401 | 2 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-10-15 10:48 | alive | 386 ms | 72 | 27k | 16k |
| 2026-10-13 11:17 | alive | 902 ms | 72 | 23k | 13k |
| 2026-10-08 11:15 | alive | 2.8 s | 71 | 23k | 13k |
| 2026-10-05 14:56 | alive | 2.0 s | 71 | 23k | 13k |
| 2026-10-05 00:37 | alive | 594 ms | 71 | 13k | |
| 2026-10-04 10:05 | alive | 2.8 s | 71 | 13k | |
| 2026-10-04 07:59 | alive | 960 ms | 71 | 13k | |
| 2026-10-03 20:38 | alive | 2.3 s | 71 | 13k | |
| 2026-10-03 17:54 | alive | 1.3 s | 71 | 13k |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.lonniev/optionality-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.