🧪Synthesis Tool
what_was_i_thinking
Snapshot of what you were working on and thinking about during a specific month.
When to use this
Use what_was_i_thinking for monthly reviews, retrospectives, or when you need to remember what was occupying your attention at a specific time.
Quick Example
mcporter call brain.what_was_i_thinking month="2025-01"Response
## What Was I Thinking: January 2025
📊 Activity: 847 messages across 142 conversations
🔥 Top Domains:
ai-dev (34%) — MCP server v1 development
data-engineering (22%) — Embedding pipeline setup
frontend-dev (18%) — Portfolio site rebuild
💎 Breakthroughs:
- "Conversations ARE the data" (ai-dev, Jan 8)
- "nomic-embed is fast enough on M4" (data-engineering, Jan 15)
- "LanceDB eliminates the server dependency" (ai-dev, Jan 20)
✅ Key Decisions:
- MCP over REST for brain-mcp server
- LanceDB over Pinecone for vectors
- Parquet as source-of-truth format
❓ Questions That Were Open:
- How to handle multi-source conversation IDs?
- Embedding batch size for stability?
- Should summaries be generated at sync time?
📅 Busiest day: January 15 (42 messages)
🧠 Dominant stage: exploring (58%)Parameters
| Name | Type | Required | Default | Description |
|---|---|---|---|---|
month | string | Yes | — | Month to snapshot, format: YYYY-MM (e.g., '2025-06') |
Examples
Recent month
mcporter call brain.what_was_i_thinking month="2025-06"Historical month
mcporter call brain.what_was_i_thinking month="2024-08"