2nd Brain
Personal knowledge base for capturing and retrieving information about people, places, restaurants, games, tech, events, media, ideas, and organizations. Use...
Description
name: brain version: 1.3.0 description: | Personal knowledge base for capturing and retrieving information about people, places, restaurants, games, tech, events, media, ideas, and organizations. Use when: user mentions a person, place, restaurant, landmark, game, device, event, book/show, idea, or company. Trigger phrases: "remember", "note that", "met this person", "visited", "played", "what do I know about", etc. Brain entries take precedence over daily logs for named entities. setup: | This skill uses OpenClaw's built-in memory_search and memory_get tools for search and retrieval — no external dependencies required.
Optional: For richer BM25 + vector + reranking search, enable the QMD backend: 1. Install QMD CLI: bun install -g https://github.com/tobi/qmd 2. Set memory.backend = "qmd" in openclaw.json 3. Add brain/ to memory.qmd.paths in openclaw.json: paths: [{ name: "brain", path: "~/.openclaw/workspace/brain", pattern: "**/*.md" }]
The skill degrades gracefully to OpenClaw's built-in search if QMD is not configured. permissions: paths: - "~/.openclaw/workspace/brain/**" write: true attachments: true
Brain Skill — 2nd Brain Knowledge Base
A personal knowledge management system for capturing and retrieving information about people, places, things, and ideas.
When to Use This Skill
Brain takes precedence over daily logs for named entities.
Trigger this skill when:
- User asks you to remember someone, something, or somewhere
- User shares information about a person, place, game, tech, event, media, idea, or organization
- User expresses a preference about an entity ("I like X at Y restaurant" → update Y's file)
- User asks about something that might be in the brain ("Who was that guy from...", "What did I think about...")
- User updates existing knowledge ("Actually, he's 27 now", "I finished that game")
Keywords that trigger: "remember", "note that", "met this person", "visited", "played", "watched", "read", "idea:", "what do I know about", "who is", "where was"
⚠️ Do NOT put brain-eligible content in daily logs. If it's a named entity (person, place, restaurant, product, game, etc.), it belongs in brain/, not memory/YYYY-MM-DD.md. Daily logs are for session context and ephemeral notes only.
🚨 MEDIA FILES MUST BE SAVED. When user sends photos/audio/video/PDFs about a brain entry, you MUST save the actual file to attachments/. Transcribing content is NOT the same as saving the file. Do BOTH.
Data Location
All brain data lives in: ~/.openclaw/workspace/brain/
brain/
people/ # Contacts, people you've met
places/ # Restaurants, landmarks, venues
games/ # Video games and interactions
tech/ # Devices, products, specs, gotchas
events/ # Conferences, meetups, gatherings
media/ # Books, shows, films, podcasts
ideas/ # Business ideas, concepts, thoughts
orgs/ # Companies, communities, groups
Search & Retrieval
This skill uses OpenClaw's built-in memory_search and memory_get tools, which work out of the box with any configured memory backend.
Searching
Use memory_search for all brain lookups:
memory_search("Raven Duran") # find a person
memory_search("Mamou Prime restaurant") # find a place
memory_search("what games has Raven played") # natural language
memory_search works transparently whether the backend is the built-in SQLite indexer or QMD. No direct CLI calls needed.
Reading a File
Use memory_get to read a specific brain file once you know its path:
memory_get("brain/people/raven-duran.md")
memory_get("brain/places/mamou-prime-sm-podium/mamou-prime-sm-podium.md")
Direct CLI (Optional / Advanced Only)
Only use the qmd CLI directly when searching a non-workspace collection (e.g., the skills collection). For all brain lookups, use memory_search.
# Only for skills collection or non-workspace paths:
export PATH="$HOME/.bun/bin:$PATH"
qmd search "keyword" -c skills
Operational Rules
Creating a New Entry
- Search first — Run
memory_search("<name or topic>")to check for existing entries - No match — Create new file using the appropriate template from
skills/brain/templates/ - Possible clash — List all potential matches and ask user to confirm before creating
Updating an Existing Entry
- Find the file — Use
memory_searchor direct path if known - Surgical edit — Update only the relevant section, don't rewrite the whole file
- Log the date — Add timestamp to Notes or Interactions section
- Update frontmatter — Bump
last_updatedfield
Searching / Retrieving
- Query memory_search —
memory_search("<natural language question>")for semantic search - Ambiguous results — Surface all candidates to user, ask which one
- No results — Tell user nothing found, offer to create entry
Disambiguation Protocol
When user references something ambiguous (e.g., "John"):
- Search brain for all matches using
memory_search("John") - If multiple results: list them with context
Found 2 matches for "John": 1. John Smith (Symph colleague, met 2024) 2. John Doe (GeeksOnABeach speaker, met 2026) Which one? - Wait for confirmation before updating
Templates
Templates live in skills/brain/templates/. Each has:
- YAML frontmatter with structured fields
- Markdown body with standard sections
When creating a new entry:
- Read the appropriate template
- Fill in known fields
- Leave unknown fields empty or with placeholder
- Write to
brain/<category>/<slug>.md
Categories Reference
| Category | Folder | Use For |
|---|---|---|
| People | brain/people/ |
Anyone user has met or wants to remember |
| Places | brain/places/ |
Restaurants, landmarks, venues, locations |
| Games | brain/games/ |
Video games — status, opinions, notes |
| Tech | brain/tech/ |
Devices, products, specs, quirks |
| Events | brain/events/ |
Conferences, meetups, gatherings |
| Media | brain/media/ |
Books, shows, films, podcasts |
| Ideas | brain/ideas/ |
Business ideas, concepts, random thoughts |
| Orgs | brain/orgs/ |
Companies, communities, groups |
Linking Entities
Use wikilink-style references to connect entities:
[[people/raven-duran]]— link to a person[[events/geeksonabeach-2026]]— link to an event[[orgs/symph]]— link to an org
This makes relationships explicit and searchable.
Example Workflow
User says: "Hey, I just met this guy called Raven Duran. He's positioning himself as an Agentic coder, met him at GeeksOnABeach PH last February."
Agent does:
memory_search("Raven Duran")→ no results- Read
skills/brain/templates/person.md - Create
brain/people/raven-duran.mdwith filled template - Optionally check/create
brain/events/geeksonabeach-ph-2026.mdand link
User says: "The Raven Duran guy, he's still 26 years old"
Agent does:
memory_search("Raven Duran")→ findsbrain/people/raven-duran.md- Read file via
memory_get("brain/people/raven-duran.md"), updateage: 26in frontmatter - Add note:
- **2026-02-21**: Confirmed still 26 years old - Update
last_updatedfield
Attachments
Brain entries can have attachments: photos, PDFs, videos, audio, transcripts, etc.
🚨 MANDATORY: Save All Media Files
When user sends ANY media (photos, audio, video, PDF) related to a brain entry:
- ALWAYS save the actual file to
attachments/— this is NON-NEGOTIABLE - THEN analyze/transcribe the content into the profile
- NEVER skip saving the file just because you processed its content
"Saved" means the FILE exists in attachments/, not just that content was transcribed.
# REQUIRED: Copy the file
cp /path/to/inbound/media.jpg brain/places/entry/attachments/descriptive-name.jpg
If you transcribed content but didn't save the file → YOU DID IT WRONG. Go back and save it.
Structure
Flat file (no attachments):
brain/places/manam.md
Folder structure (with attachments):
brain/places/mamou-prime-sm-podium/
mamou-prime-sm-podium.md # Profile (keeps original name)
attachments/
index.md # Describes each attachment
menu-page-1.jpg
menu-page-2.jpg
receipt.pdf
storefront.mp4
Attachments Index (attachments/index.md)
# Attachments
| File | Description | Added |
|------|-------------|-------|
| menu-page-1.jpg | Menu first page, mains section | 2026-02-21 |
| menu-page-2.jpg | Menu second page, desserts | 2026-02-21 |
| receipt.pdf | Receipt from Feb visit, ₱2,400 | 2026-02-21 |
| storefront.mp4 | Quick video of the entrance | 2026-02-21 |
QMD (if enabled) indexes this file, making attachments searchable by description.
Adding Attachments
When user sends media about an entity (e.g., "Here's the menu for Mamou Prime"):
-
Find the entry —
memory_search("Mamou Prime")→brain/places/mamou-prime-sm-podium.md -
Convert to folder structure (if flat file):
# Create folder mkdir -p brain/places/mamou-prime-sm-podium/attachments # Move profile into folder mv brain/places/mamou-prime-sm-podium.md brain/places/mamou-prime-sm-podium/ # Create attachments index touch brain/places/mamou-prime-sm-podium/attachments/index.md -
Save media to
attachments/with descriptive filename -
Update
attachments/index.mdwith file description
⚠️ Always Save Original Files
Do BOTH:
- Analyze/transcribe the content → add processed text to the profile (e.g., menu tables, business card info, transcript)
- Save the original files → preserve in
attachments/
The text is searchable and processable. The originals are preserved artifacts.
Never discard attachments unless user explicitly says "cleanup", "remove", or "delete" the files.
Example: User sends menu photos
- ✅ Transcribe menu into markdown tables in profile
- ✅ Save original photos to
attachments/menu-1.jpg,menu-2.jpg - ✅ Update
attachments/index.md
Wrong: Only transcribing without saving originals
Naming Attachments
Be descriptive — the index provides context:
menu-1.jpg,menu-2.jpgbusiness-card.jpgproduct-demo.mp4meeting-transcript.mdvoice-memo-2026-02-21.mp3
Example: Adding Menu Photos
User sends: 2 photos with message "Menu at Mamou Prime"
Agent does:
- Find
brain/places/mamou-prime-sm-podium.mdviamemory_search("Mamou Prime") - Convert to folder structure (if needed)
- Analyze photos → transcribe menu items, prices into markdown tables
- Update profile with transcribed menu section
- Save original photos as
attachments/menu-1.jpg,attachments/menu-2.jpg - Update
attachments/index.md:# Attachments | File | Description | Added | |------|-------------|-------| | menu-1.jpg | Menu page 1 (transcribed to profile) | 2026-02-21 | | menu-2.jpg | Menu page 2 (transcribed to profile) | 2026-02-21 | - Confirm to user: "Transcribed menu and saved 2 photos to Mamou Prime"
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