OpenClaw

Local, long term memory for OpenClaw agents using Hindsight.

This plugin integrates hindsight-embed, a standalone daemon that bundles Hindsight's memory engine (API + PostgreSQL) into a single command. Everything runs locally on your machine, reuses the LLM you're already paying for, and costs nothing extra.

View Changelog →

Quick Start

Step 1: Set up LLM for memory extraction

Choose one provider and set its API key:

# Option A: OpenAI (uses gpt-4o-mini for memory extraction)
export OPENAI_API_KEY="sk-your-key"

# Option B: Anthropic (uses claude-3-5-haiku for memory extraction)
export ANTHROPIC_API_KEY="your-key"

# Option C: Gemini (uses gemini-2.5-flash for memory extraction)
export GEMINI_API_KEY="your-key"

# Option D: Groq (uses openai/gpt-oss-20b for memory extraction)
export GROQ_API_KEY="your-key"

# Option E: Claude Code (uses claude-sonnet-4-20250514, no API key needed)
export HINDSIGHT_API_LLM_PROVIDER=claude-code

# Option F: OpenAI Codex (uses gpt-4o-mini, no API key needed)
export HINDSIGHT_API_LLM_PROVIDER=openai-codex

Step 2: Install the plugin

openclaw plugins install @vectorize-io/hindsight-openclaw

Step 3: Start OpenClaw

openclaw gateway

The plugin will automatically:

• Start a local Hindsight daemon (port 9077)
• Capture conversations after each turn
• Inject relevant memories before agent responses

Important: The LLM you configure above is only for memory extraction (background processing). Your main OpenClaw agent can use any model you configure separately.

How It Works

Auto-Capture: Every conversation is automatically stored after each turn. Facts, entities, and relationships are extracted in the background.

Auto-Recall: Before each agent response, relevant memories are automatically injected into the context (up to 1024 tokens). The agent uses past context without needing to call tools.

Feedback Loop Prevention: The plugin automatically strips injected memory tags (<hindsight_memories>) before storing conversations. This prevents recalled memories from being re-extracted as new facts, which would cause exponential memory growth and duplicate entries.

Traditional memory systems give agents a search_memory tool - but models don't use it consistently. Auto-recall solves this by injecting memories automatically before every turn.

Configuration

Plugin Settings

Optional settings in ~/.openclaw/openclaw.json:

{
  "plugins": {
    "entries": {
      "hindsight-openclaw": {
        "enabled": true,
        "config": {
          "apiPort": 9077,
          "daemonIdleTimeout": 0,
          "embedVersion": "latest"
        }
      }
    }
  }
}

Options:

• apiPort - Port for the openclaw profile daemon (default: 9077)
• daemonIdleTimeout - Seconds before daemon shuts down from inactivity (default: 0 = never)
• embedVersion - hindsight-embed version (default: "latest")
• bankMission - Agent identity/purpose stored on the memory bank. Helps the memory engine understand context for better fact extraction during retain. Set once per bank on first use — not a recall prompt.
• dynamicBankId - Enable per-context memory banks (default: true)
• bankIdPrefix - Optional prefix for bank IDs (e.g. "prod" → "prod-slack-C123")
• dynamicBankGranularity - Fields used to derive bank ID: agent, channel, user, provider (default: ["agent", "channel", "user"])
• excludeProviders - Message providers to skip for recall/retain (e.g. ["slack"], ["telegram"], ["discord"])
• autoRecall - Auto-inject memories before each turn (default: true). Set to false when the agent has its own recall tool.
• autoRetain - Auto-retain conversations after each turn (default: true)
• retainRoles - Which message roles to retain (default: ["user", "assistant"]). Options: user, assistant, system, tool
• recallBudget - Recall effort: "low", "mid", or "high" (default: "mid"). Higher budgets use more retrieval strategies for better results.
• recallMaxTokens - Max tokens for recall response (default: 1024). Controls how much memory context is injected per turn.

Memory Isolation

The plugin creates separate memory banks based on conversation context. By default, banks are derived from the agent, channel, and user fields — so each unique combination gets its own isolated memory store.

You can customize which fields are used for bank segmentation with dynamicBankGranularity:

{
  "plugins": {
    "entries": {
      "hindsight-openclaw": {
        "enabled": true,
        "config": {
          "dynamicBankGranularity": ["provider", "user"]
        }
      }
    }
  }
}

In this example, memories are isolated per provider + user, meaning the same user shares memories across all channels within a provider.

Available isolation fields:

• agent - The agent/bot identity
• channel - The channel or conversation ID
• user - The user interacting with the agent
• provider - The message provider (e.g. Slack, Discord)

Use bankIdPrefix to namespace bank IDs across environments (e.g. "prod", "staging"). Set dynamicBankId to false to use a single shared bank for all conversations.

Retention Controls

By default, the plugin retains user and assistant messages after each turn. You can customize this behavior:

{
  "plugins": {
    "entries": {
      "hindsight-openclaw": {
        "enabled": true,
        "config": {
          "autoRetain": true,
          "retainRoles": ["user", "assistant", "system"]
        }
      }
    }
  }
}

• autoRetain - Set to false to disable automatic retention entirely (useful if you handle retention yourself)
• retainRoles - Controls which message roles are included in the retained transcript. Only messages from the last user message onward are retained each turn, preventing duplicate storage.

LLM Configuration

The plugin auto-detects your LLM provider from these environment variables:

Provider	Env Var	Default Model	Notes
OpenAI	OPENAI_API_KEY	gpt-4o-mini
Anthropic	ANTHROPIC_API_KEY	claude-3-5-haiku-20241022
Gemini	GEMINI_API_KEY	gemini-2.5-flash
Groq	GROQ_API_KEY	openai/gpt-oss-20b
Claude Code	HINDSIGHT_API_LLM_PROVIDER=claude-code	claude-sonnet-4-20250514	No API key needed
OpenAI Codex	HINDSIGHT_API_LLM_PROVIDER=openai-codex	gpt-4o-mini	No API key needed

Override with explicit config:

export HINDSIGHT_API_LLM_PROVIDER=openai
export HINDSIGHT_API_LLM_MODEL=gpt-4o-mini
export HINDSIGHT_API_LLM_API_KEY=sk-your-key

# Optional: custom base URL (OpenRouter, Azure, vLLM, etc.)
export HINDSIGHT_API_LLM_BASE_URL=https://openrouter.ai/api/v1

Example: Free OpenRouter model

export HINDSIGHT_API_LLM_PROVIDER=openai
export HINDSIGHT_API_LLM_MODEL=xiaomi/mimo-v2-flash  # FREE!
export HINDSIGHT_API_LLM_API_KEY=sk-or-v1-your-openrouter-key
export HINDSIGHT_API_LLM_BASE_URL=https://openrouter.ai/api/v1

External API (Advanced)

Connect to a remote Hindsight API server instead of running a local daemon. This is useful for:

• Shared memory across multiple OpenClaw instances
• Production deployments with centralized memory storage
• Team environments where agents share knowledge

Plugin Configuration

Configure in ~/.openclaw/openclaw.json:

{
  "plugins": {
    "entries": {
      "hindsight-openclaw": {
        "enabled": true,
        "config": {
          "hindsightApiUrl": "https://your-hindsight-server.com",
          "hindsightApiToken": "your-api-token"
        }
      }
    }
  }
}

Options:

• hindsightApiUrl - Full URL to external Hindsight API (e.g., https://mcp.hindsight.example.com)
• hindsightApiToken - API token for authentication (optional, only if API requires auth)

Environment Variables (Alternative)

You can also configure via environment variables:

export HINDSIGHT_EMBED_API_URL=https://your-hindsight-server.com
export HINDSIGHT_EMBED_API_TOKEN=your-api-token  # Optional

openclaw gateway

Note: Plugin config takes precedence over environment variables.

Behavior

When external API mode is enabled:

• No local daemon is started (no hindsight-embed process)
• Health check runs on startup to verify API connectivity
• All memory operations (retain, recall, reflect) go to the external API
• Faster startup since no local PostgreSQL or embedding models are needed

Verification

Check OpenClaw logs for external API mode:

tail -f /tmp/openclaw/openclaw-*.log | grep Hindsight

# Should see on startup:
# [Hindsight] External API mode enabled: https://your-hindsight-server.com
# [Hindsight] External API health check passed

If you see daemon startup messages instead, verify your configuration is correct.

Inspecting Memories

Check Configuration

View the daemon config that was written by the plugin:

cat ~/.hindsight/profiles/openclaw.env

This shows the LLM provider, model, port, and other settings the daemon is using.

Check Daemon Status

# Check if daemon is running
uvx hindsight-embed@latest -p openclaw daemon status

# View daemon logs
tail -f ~/.hindsight/profiles/openclaw.log

Query Memories

# Search memories
uvx hindsight-embed@latest -p openclaw memory recall openclaw "user preferences"

# View recent memories
uvx hindsight-embed@latest -p openclaw memory list openclaw --limit 10

# Open web UI (uses openclaw profile's daemon)
uvx hindsight-embed@latest -p openclaw ui

Troubleshooting

Plugin not loading

openclaw plugins list | grep hindsight
# Should show: ✓ enabled │ Hindsight Memory │ ...

# Reinstall if needed
openclaw plugins install @vectorize-io/hindsight-openclaw

Daemon not starting

# Check daemon status (note: -p openclaw uses the openclaw profile)
uvx hindsight-embed@latest -p openclaw daemon status

# View logs for errors
tail -f ~/.hindsight/profiles/openclaw.log

# Check configuration
cat ~/.hindsight/profiles/openclaw.env

# List all profiles
uvx hindsight-embed@latest profile list

No API key error

Make sure you've set one of the provider API keys (or use a provider that doesn't require one):

# Option 1: OpenAI
export OPENAI_API_KEY="sk-your-key"

# Option 2: Anthropic
export ANTHROPIC_API_KEY="your-key"

# Option 3: Claude Code (no API key needed)
export HINDSIGHT_API_LLM_PROVIDER=claude-code

# Option 4: OpenAI Codex (no API key needed)
export HINDSIGHT_API_LLM_PROVIDER=openai-codex

# Verify it's set
echo $OPENAI_API_KEY
# or
echo $HINDSIGHT_API_LLM_PROVIDER

Verify it's working

Check gateway logs for memory operations:

tail -f /tmp/openclaw/openclaw-*.log | grep Hindsight

# Should see on startup:
# [Hindsight] ✓ Using provider: openai, model: gpt-4o-mini
# or
# [Hindsight] ✓ Using provider: claude-code, model: claude-sonnet-4-20250514

# Should see after conversations:
# [Hindsight] Retained X messages for session ...
# [Hindsight] Auto-recall: Injecting X memories