smart-memory
v2.5.0Persistent local cognitive memory for OpenClaw via a Node adapter and FastAPI engine.
Installation
Smart Memory v2 Skill
Smart Memory v2 is a persistent cognitive memory runtime, not a legacy vector-memory CLI.
Core runtime:
- Node adapter: smart-memory/index.js
- Local API: server.py (FastAPI)
- Orchestrator: cognitive_memory_system.py
Core Capabilities
- Structured long-term memory (
episodic,semantic,belief,goal) - Entity-aware retrieval and reranking
- Hot working memory
- Background cognition (reflection, consolidation, decay, conflict resolution)
- Strict token-bounded prompt composition
- Observability endpoints (
/health,/memories,/memory/{id},/insights/pending)
Native OpenClaw Integration (v2.5)
Use the native OpenClaw skill package:
- skills/smart-memory-v25/index.js
- Optional hook helper: skills/smart-memory-v25/openclaw-hooks.js
- Skill descriptor: skills/smart-memory-v25/SKILL.md
Primary exports:
- createSmartMemorySkill(options)
- createOpenClawHooks({ skill, agentIdentity, summarizeWithLLM })
Tool Interface (for agent tool use)
memory_search- Purpose: query long-term memory.
- Input:
query(string, required)type(all|semantic|episodic|belief|goal, defaultall)limit(number, default5)min_relevance(number, default0.6)-
Behavior: checks
/healthfirst, then retrieves via/retrieveand returns formatted memory results. -
memory_commit - Purpose: explicitly persist important facts/decisions/beliefs/goals.
- Input:
content(string, required)type(semantic|episodic|belief|goal, required)importance(1-10, default5)tags(string array, optional)- Behavior:
- checks
/healthfirst - auto-tags if missing (
working_question,decisionheuristics) - commits are serialized (sequential) to protect local CPU embedding throughput
- if server is unreachable, payload is queued to
.memory_retry_queue.json -
unreachable response is explicit:
Memory commit failed - server unreachable. Queued for retry.
-
memory_insights - Purpose: surface pending background insights.
- Input:
limit(number, default10)- Behavior: checks
/healthfirst, calls/insights/pending, returns formatted insight list.
Reliability Guarantees
- Mandatory health gate before each tool call (
GET /health). - Retry queue flushes automatically on healthy tool calls and heartbeat.
- Heartbeat supports automatic retry recovery and background maintenance.
Session Arc Lifecycle Hooks
The v2.5 skill supports episodic session arc capture: - checkpoint capture every 20 turns - session-end capture during teardown/reset
Flow:
1. Extract recent conversation turns (up to 20).
2. Run summarization with prompt:
- Summarize this session arc: What was the goal? What approaches were tried? What decisions were made? What remains open?
3. Persist summary through internal memory_commit as:
- type: "episodic"
- tags: ["session_arc", "YYYY-MM-DD"]
Passive Context Injection
Use inject_active_context (or createOpenClawHooks().beforeModelResponse) before response generation.
This adds the standardized block:
[ACTIVE CONTEXT]
Status: {status}
Active Projects: {active_projects}
Working Questions: {working_questions}
Top of Mind: {top_of_mind}
Pending Insights:
- {insight_1}
- {insight_2}
[/ACTIVE CONTEXT]
Add this guidance line to your agent base prompt:
If pending insights appear in your context that relate to the current conversation, surface them naturally to the user. Do not force it - but if there is a genuine connection, seamlessly bring it up.
Minimal OpenClaw Wiring Example
const {
createSmartMemorySkill,
createOpenClawHooks,
} = require("./skills/smart-memory-v25");
const memory = createSmartMemorySkill({
baseUrl: "http://127.0.0.1:8000",
summarizeSessionArc: async ({ prompt, conversationText }) => {
return openclaw.llm.complete({ system: prompt, user: conversationText });
},
});
const hooks = createOpenClawHooks({
skill: memory.skill,
agentIdentity: "OpenClaw Agent",
summarizeWithLLM: async ({ prompt, conversationText }) => {
return openclaw.llm.complete({ system: prompt, user: conversationText });
},
});
// Register memory.tools as callable tools:
// - memory_search
// - memory_commit
// - memory_insights
// and call hooks.beforeModelResponse / hooks.onTurn / hooks.onSessionEnd at lifecycle points.
Node Adapter Methods (Base Adapter)
start()/init()ingestMessage(interaction)retrieveContext({ user_message, conversation_history })getPromptContext(promptComposerRequest)runBackground(scheduled)stop()
API Endpoints
GET /healthPOST /ingestPOST /retrievePOST /composePOST /run_backgroundGET /memoriesGET /memory/{memory_id}GET /insights/pending
Install (CPU-Only Required)
For Docker, WSL, and laptops without NVIDIA GPUs, use CPU-only PyTorch.
# from repository root
cd smart-memory
# Create Python venv
python3 -m venv .venv
source .venv/bin/activate # Windows: .venvScriptsactivate
# Install CPU-only PyTorch FIRST
pip install torch --index-url https://download.pytorch.org/whl/cpu
# Then install remaining dependencies
pip install -r requirements-cognitive.txt
# Finally, install Node dependencies
npm install
PyTorch Policy
- Smart Memory v2 supports CPU-only PyTorch only.
- Do not install GPU/CUDA PyTorch builds for this project.
- Use the bundled installer flow (
npm install->postinstall.js) so CPU wheels are always used.
Deprecated
Legacy vector-memory CLI artifacts (smart_memory.js, vector_memory_local.js, focus_agent.js) are removed in v2.