Add OptionsAhoy: equity-comp tax planning MCP server

Submitting **OptionsAhoy** for inclusion in this list.

**What it does:** Equity-compensation tax planning calculator suite. ISO/AMT multi-year optimization (maximizes after-tax Net Final Value at horizon), NSO sell-vs-hold, RSU sell-vs-hold at vest, single-stock concentration with optional hedge pricing, protective put / zero-cost collar pricing, and Section 1202 QSBS qualification. Federal plus all 50 state and DC tax tables compiled in.

**Connection:**
- Hosted HTTP: `https://optionsahoy.com/mcp`
- Repo: https://github.com/AlvisoOculus/optionsahoy-mcp
- License: MIT
- Auth: none required
- Stdio install also available via Dockerfile in the repo

**Tools (6):** `amt_iso_optimize`, `nso_calculate`, `rsu_sell_vs_hold`, `concentration_analyze`, `protective_put_price`, `qsbs_check`

Deterministic and offline (no LLM-generated tax math). Listed on Glama (grade A) and registry.modelcontextprotocol.io.

Docs for agents: https://optionsahoy.com/for-agents

Thanks for maintaining this list.