09
Investigations
Nine domains. Every tool evaluated before adoption.
Research → Evaluate → Decide → Build
What we investigated
- 01n8n node capabilities — R2, SQLite, notifications, FinBERT. R2 adopted as static data store, ntfy for alerts.Adopted
- 02External API integration — Grok, Fed, ECB, Gemma. Responses API + grok-4-1-fast. Fed + ECB pipelines built.Adopted
- 03MCP & CLI tool audit — 11 services, 4 new MCP servers. FRED + QuantOracle close the quant-macro layer.Adopted
- 04TradingView MCP evaluation — 2 projects. One declined on ToS. One selective adoption for backtesting.Selective
- 05MCP vs CLI architecture — 25 runs. CLI 100% reliable, MCP 72%. CLI-first strategy adopted.Adopted
- 06Karpathy wiki pattern. Three-layer index retrieval beats RAG at ~400K words. No vector DB overhead.Adopted
- 07NotebookLM pipeline comparison. Claude pipeline wins 99% vs 60% on transcript success. Not integrated.Declined
- 08Security evaluation — supply-chain audit. Mastra pinned to SHA. 3 remaining vectors tracked with enforcement.Resolved
- 09Mastra core upgrade analysis — 18 releases. 2 breaking changes, neither affects our usage. Direct jump committed.Complete