Alex Newman
142 lines
4.1 KiB
Markdown
142 lines
4.1 KiB
Markdown
---
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name: mem-search
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description: Search claude-mem's persistent cross-session memory database. Use when user asks "did we already solve this?", "how did we do X last time?", or needs work from previous sessions.
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---
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# Memory Search
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Search past work across all sessions. Simple workflow: search -> filter -> fetch.
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## When to Use
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Use when users ask about PREVIOUS sessions (not current conversation):
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- "Did we already fix this?"
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- "How did we solve X last time?"
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- "What happened last week?"
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## 3-Layer Workflow (ALWAYS Follow)
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**NEVER fetch full details without filtering first. 10x token savings.**
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### Step 1: Search - Get Index with IDs
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Use the `search` MCP tool:
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```
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search(query="authentication", limit=20, project="my-project")
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```
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**Returns:** Table with IDs, timestamps, types, titles (~50-100 tokens/result)
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```
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| ID | Time | T | Title | Read |
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|----|------|---|-------|------|
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| #11131 | 3:48 PM | 🟣 | Added JWT authentication | ~75 |
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| #10942 | 2:15 PM | 🔴 | Fixed auth token expiration | ~50 |
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```
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**Parameters:**
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- `query` (string) - Search term
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- `limit` (number) - Max results, default 20, max 100
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- `project` (string) - Project name filter
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- `type` (string, optional) - "observations", "sessions", or "prompts"
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- `obs_type` (string, optional) - Comma-separated: bugfix, feature, decision, discovery, change
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- `dateStart` (string, optional) - YYYY-MM-DD or epoch ms
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- `dateEnd` (string, optional) - YYYY-MM-DD or epoch ms
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- `offset` (number, optional) - Skip N results
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- `orderBy` (string, optional) - "date_desc" (default), "date_asc", "relevance"
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### Step 2: Timeline - Get Context Around Interesting Results
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Use the `timeline` MCP tool:
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```
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timeline(anchor=11131, depth_before=3, depth_after=3, project="my-project")
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```
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Or find anchor automatically from query:
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```
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timeline(query="authentication", depth_before=3, depth_after=3, project="my-project")
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```
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**Returns:** `depth_before + 1 + depth_after` items in chronological order with observations, sessions, and prompts interleaved around the anchor.
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**Parameters:**
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- `anchor` (number, optional) - Observation ID to center around
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- `query` (string, optional) - Find anchor automatically if anchor not provided
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- `depth_before` (number, optional) - Items before anchor, default 5, max 20
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- `depth_after` (number, optional) - Items after anchor, default 5, max 20
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- `project` (string) - Project name filter
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### Step 3: Fetch - Get Full Details ONLY for Filtered IDs
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Review titles from Step 1 and context from Step 2. Pick relevant IDs. Discard the rest.
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Use the `get_observations` MCP tool:
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```
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get_observations(ids=[11131, 10942])
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```
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**ALWAYS use `get_observations` for 2+ observations - single request vs N requests.**
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**Parameters:**
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- `ids` (array of numbers, required) - Observation IDs to fetch
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- `orderBy` (string, optional) - "date_desc" (default), "date_asc"
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- `limit` (number, optional) - Max observations to return
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- `project` (string, optional) - Project name filter
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**Returns:** Complete observation objects with title, subtitle, narrative, facts, concepts, files (~500-1000 tokens each)
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## Saving Memories
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Use the `save_memory` MCP tool to store manual observations:
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```
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save_memory(text="Important discovery about the auth system", title="Auth Architecture", project="my-project")
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```
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**Parameters:**
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- `text` (string, required) - Content to remember
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- `title` (string, optional) - Short title, auto-generated if omitted
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- `project` (string, optional) - Project name, defaults to "claude-mem"
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## Examples
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**Find recent bug fixes:**
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```
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search(query="bug", type="observations", obs_type="bugfix", limit=20, project="my-project")
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```
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**Find what happened last week:**
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```
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search(type="observations", dateStart="2025-11-11", limit=20, project="my-project")
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```
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**Understand context around a discovery:**
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```
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timeline(anchor=11131, depth_before=5, depth_after=5, project="my-project")
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```
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**Batch fetch details:**
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```
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get_observations(ids=[11131, 10942, 10855], orderBy="date_desc")
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```
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## Why This Workflow?
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- **Search index:** ~50-100 tokens per result
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- **Full observation:** ~500-1000 tokens each
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- **Batch fetch:** 1 HTTP request vs N individual requests
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- **10x token savings** by filtering before fetching
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