honcho

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# Honcho Memory for Hermes

Honcho provides AI-native cross-session user modeling. It learns who the user is across conversations and gives every Hermes profile its own peer identity while sharing a unified view of the user.

## When to Use

- Setting up Honcho (cloud or self-hosted)
- Troubleshooting memory not working / peers not syncing
- Creating multi-profile setups where each agent has its own Honcho peer
- Tuning observation, recall, dialectic depth, or write frequency settings
- Understanding what the 5 Honcho tools do and when to use them
- Configuring context budgets and session summary injection

## Setup

Honcho is a plugin-catalog memory provider maintained by Plastic Labs. Install it once per machine (homes upgraded from a release that bundled Honcho get it automatically):

```bash
hermes plugins install honcho
```

### Cloud (app.honcho.dev)

```bash
hermes memory setup honcho
# select "cloud", paste API key from https://app.honcho.dev
```

### Self-hosted

```bash
hermes memory setup honcho
# select "local", enter base URL (e.g. http://localhost:8000)
```

See: https://docs.honcho.dev/v3/guides/integrations/hermes#running-honcho-locally-with-hermes

### Verify

```bash
hermes honcho status    # shows resolved config, connection test, peer info
```

## Architecture

### Base Context Injection

When Honcho injects context into the system prompt (in `hybrid` or `context` recall modes), it assembles the base context block in this order:

1. **Session summary** -- a short digest of the current session so far (placed first so the model has immediate conversational continuity)
2. **User representation** -- Honcho's accumulated model of the user (preferences, facts, patterns)
3. **AI peer card** -- the identity card for this Hermes profile's AI peer

The session summary is generated automatically by Honcho at the start of each turn (when a prior session exists). It gives the model a warm start without replaying full history.

### Cold / Warm Prompt Selection

Honcho automatically selects between two prompt strategies:

| Condition | Strategy | What happens |
|-----------|----------|--------------|
| No prior session or empty representation | **Cold start** | Lightweight intro prompt; skips summary injection; encourages the model to learn about the user |
| Existing representation and/or session history | **Warm start** | Full base context injection (summary → representation → card); richer system prompt |

You do not need to configure this -- it is automatic based on session state.

### Peers

Honcho models conversations as interactions between **peers**. Hermes creates two peers per session:

- **User peer** (`peerName`): represents the human. Honcho builds a user representation from observed messages.
- **AI peer** (`aiPeer`): represents this Hermes instance. Each profile gets its own AI peer so agents develop independent views.

### Observation

Each peer has two observation toggles that control what Honcho learns from:

| Toggle | What it does |
|--------|-------------|
| `observeMe` | Peer's own messages are observed (builds self-representation) |
| `observeOthers` | Other peers' messages are observed (builds cross-peer understanding) |

Default: all four toggles **on** (full bidirectional observation).

Configure per-peer in `honcho.json`:

```json
{
  "observation": {
    "user": { "observeMe": true, "observeOthers": true },
    "ai":   { "observeMe": true, "observeOthers": true }
  }
}
```

Or use the shorthand presets:

| Preset | User | AI | Use case |
|--------|------|----|----------|
| `"directional"` (default) | me:on, others:on | me:on, others:on | Multi-agent, full memory |
| `"unified"` | me:on, others:off | me:off, others:on | Single agent, user-only modeling |

Settings changed in the [Honcho dashboard](https://app.honcho.dev) are synced back on session init -- server-side config wins over local defaults.

### Sessions

Honcho sessions scope where messages and observations land. Strategy options:

| Strategy | Behavior |
|----------|----------|
| `per-directory` (default) | One session per working directory |
| `per-repo` | One session per git repository root |
| `per-session` | New Honcho session each Hermes run |
| `global` | Single session across all directories |

Manual override: `hermes honcho map my-project-name`

### Recall Modes

From Lexus2016/hermes-agent-evolution, MIT.

More from Lexus2016/hermes-agent-evolution