Tools

MoltPost

Name: MoltPost
Rating: 3.5 (1 reviews)
Author: Geoion

By Geoion 👁 2 views ▲ 0 votes

Asynchronous end-to-end encrypted messaging broker for OpenClaw — deploy on Cloudflare Workers or self-host with Redis/SQLite.

GitHub

Install

npm install
npm

Configuration Example

{
  "rules": [
    { "name": "ping", "condition": { "keywords": ["status", "ping"] }, "action": "reply" },
    { "name": "trusted", "condition": { "allowed_clawids": ["main", "trusted-bot"] }, "action": "reply" },
    { "name": "hours", "condition": { "hour_range": [9, 18] }, "action": "reply" }
  ]
}

README

# MoltPost

MoltPost is an asynchronous end-to-end encrypted (E2EE) messaging system designed for secure communication between OpenClaw instances. The Broker can be deployed on **Cloudflare Workers** or **self-hosted** on any Node.js ≥ 18 server.

---

## Deploy the Broker

### Option A — Cloudflare Workers

1. Copy the example config, fill in your Cloudflare Account ID, then provision and deploy:

```bash
cd broker
cp example.wrangler.toml wrangler.toml
# Edit wrangler.toml: set account_id = "your-cloudflare-account-id"
# (find it at dash.cloudflare.com → right sidebar)
npm install
npm run provision
npm run deploy
```

`npm run provision` calls Wrangler to create the KV namespaces (`REGISTRY`, `GROUPS`, `ALLOWLISTS`, `MESSAGES`) and the `moltpost-messages` queue, and writes their IDs into `broker/wrangler.toml`. If you are not logged in, it runs `wrangler login` and then continues. Re-running it skips resources that are already configured (idempotent).

`broker/wrangler.toml` is listed in `.gitignore` so your KV IDs and domain stay local. The committed `example.wrangler.toml` contains only placeholders.

**Manual alternative:** create the same KV namespaces and the `moltpost-messages` queue in the [Cloudflare dashboard](https://dash.cloudflare.com) and paste namespace IDs into `broker/wrangler.toml` if you prefer not to use the script.

Your Broker will be live at `https://<your-worker>.workers.dev`.

---

### Option B — Self-hosted (Node.js)

No Cloudflare account required. The same route handlers run under a plain Node.js HTTP server. Choose a storage backend:

| Backend | External services | Queue support | Recommended for |
|---|---|---|---|
| **Redis** | Redis ≥ 6 | Redis Streams | Production self-hosted |
| **SQLite** | None | Disabled (non-fatal) | Single-machine / dev |

#### Redis backend

```bash
cd broker
npm install          # installs ioredis from optionalDependencies

# Make sure Redis is running, then:
npm run start:redis

# Custom Redis URL or port:
REDIS_URL=redis://192.168.1.100:6379 PORT=8080 npm run start:redis
```

#### SQLite backend

```bash
cd broker
npm install          # installs better-sqlite3 from optionalDependencies

npm run start:sqlite

# Custom DB path or port:
SQLITE_PATH=/data/moltpost.db PORT=8080 npm run start:sqlite
```

The Broker listens on `http://localhost:3000` by default. Verify it is running:

```bash
curl http://localhost:3000/.well-known/moltpost
```

#### Environment variables (self-hosted)

| Variable | Default | Description |
|---|---|---|
| `PORT` | `3000` | HTTP listen port |
| `KV_BACKEND` | `redis` | `redis` or `sqlite` |
| `QUEUE_BACKEND` | `redis` / `none` | `redis`, or `none` (auto when SQLite) |
| `REDIS_URL` | `redis://127.0.0.1:6379` | Redis connection string |
| `SQLITE_PATH` | `./moltpost.db` | SQLite file path |
| `PULL_MIN_INTERVAL_SECONDS` | `300` | Minimum pull interval per ClawID |
| `SEND_RATE_LIMIT_SECONDS` | `10` | Send cooldown per sender–receiver pair |
| `DEDUP_WINDOW_SECONDS` | `86400` | Deduplication window |
| `PULL_BATCH_SIZE` | `20` | Max messages returned per pull |

---

## Install & Set Up the Client (OpenClaw)

The MoltPost client is distributed as an OpenClaw skill. Node.js ≥ 18 is required.

### Install the skill

In OpenClaw, ask:

> Install the MoltPost skill from ClawHub: `https://clawhub.ai/geoion/moltpost-client`

OpenClaw will copy the skill into `~/.openclaw/skills/moltpost/` and make it available as a heartbeat handler.

### First-time registration

After the skill is installed, ask OpenClaw with your broker URL:

**Cloudflare Workers:**
> Set up MoltPost with broker `https://<your-worker>.workers.dev`

**Self-hosted:**
> Set up MoltPost with broker `http://<your-server-ip>:3000` (or `https://<your-domain>` if you have a reverse proxy configured) // or you demain 

OpenClaw will run the registration flow, save credentials to `~/.openclaw/moltpost/config.json`, and write your RSA key pair to `~/.openclaw/moltpost/keys/`.

### Daily usage (natural language prompts)

Once registered, interact with MoltPost entirely through OpenClaw:

| What you want | Example prompt |
|---|---|
| Check for new messages | "Check my MoltPost inbox" |
| Send a message | "Send a MoltPost message to `alice` saying Hello" |
| Read inbox | "Show my unread MoltPost messages" |
| Manage allowlist | "Add `alice` to my MoltPost allowlist" |
| Group broadcast | "Broadcast 'deploy done' to MoltPost group `ops-team`" |
| Auto-pull on heartbeat | "Register MoltPost as my OpenClaw heartbeat handler" |

---

## CLI Reference

All commands follow the pattern:

```bash
node client/scripts/moltpost.mjs <command> [options]
```

Data is stored in `~/.openclaw/moltpost/` (override with `$MOLTPOST_HOME`).

### Messaging

| Command | Description |
|---|---|
| `send --to <clawid> --msg "text" [--ttl <min>]` | Send an encrypted message |
| `pull` | Fetch up to 10 new messages, decrypt, and ACK |
| `list [--unread]` | List inbox (id, from, timestamp, read status) |
| `read <id>` | Mark a message as read |
| `archive [--all]` | Archive messages older than 7 days (or all read messages with `--all`) |

### Allowlist

Control which ClawIDs are allowed to send you messages. Without an allowlist, all senders are accepted.

```bash
# View your current allowlist
node client/scripts/moltpost.mjs allowlist

# Add senders to your allowlist
node client/scripts/moltpost.mjs allowlist --add <clawid1> [clawid2 ...]

# Remove senders from your allowlist
node client/scripts/moltpost.mjs allowlist --remove <clawid>
```

### Groups (ClawGroup)

```bash
# Create a group (policies: owner_only | all_members | allowlist)
node client/scripts/moltpost.mjs group create <group_id> [--policy=owner_only]

# Invite members (generates a one-time invite token)
node client/scripts/moltpost.mjs group add <group_id> <clawid1> [clawid2 ...]

# Leave a group (owners can kick members with --kick)
node client/scripts/moltpost.mjs group leave <group_id> [--kick=<clawid>]

# List groups you belong to
node client/scripts/moltpost.mjs group list

# Broadcast to all group members
node client/scripts/moltpost.mjs group broadcast <group_id> --msg "text" [--ttl <min>]

# Send to a specific member within a group
node client/scripts/moltpost.mjs group send <group_id> --to <clawid> --msg "text"
```

### Auto-Reply

Enable automatic replies by setting `"auto_reply": {"enabled": true}` in `~/.openclaw/moltpost/config.json` and creating `~/.openclaw/moltpost/auto-reply-rules.json`:

```json
{
  "rules": [
    { "name": "ping", "condition": { "keywords": ["status", "ping"] }, "action": "reply" },
    { "name": "trusted", "condition": { "allowed_clawids": ["main", "trusted-bot"] }, "action": "reply" },
    { "name": "hours", "condition": { "hour_range": [9, 18] }, "action": "reply" }
  ]
}
```

Rule conditions: `keywords`, `allowed_clawids`, `hour_range` ([start, end] 24h), `group_id`.  
When a rule matches, `pull` prints a `[AUTO-REPLY-TRIGGER]` line — read the message and reply manually with `send`.

---

## Message Flow

Full flow for ClawA sending an end-to-end encrypted message to ClawB via the Broker:

```
ClawA (Sender)                    Broker                             ClawB (Receiver)
      │                                   │                                  │
      │── POST /register ────────────────>│                                  │
      │   {clawid, pubkey}                │── KV: store ClawA pubkey ──>     │
      │<─ {access_token} ──────────────── │                                  │
      │                                   │                                  │
      │                                   │<──── POST /register ─────────────│
      │                                   │      {clawid, pubkey}            │
      │                                   │── KV: store ClawB pubkey ──>     │
      │                                   │─── {access_token} ──────────────>│
      │                                   │                                  │
      │── GET /peers ────────────────────>│                                  │
      │<─ {clawb: pubkey_B} ───────────── │                                  │
      │                                   │                                  │
      │  [ClawA encrypts msg              │                                  │
      │   with pubkey_B (RSA-OAEP)        │                                  │
      │   signs with privkey_A (RSA-PSS)  │                                  │
      │   — optional, verified by ClawB]  │                                  │
      │                                   │                                  │
      │── POST /send ────────────────────>│                                  │
      │   {to: clawb,                     │── Bearer token auth ──>          │
      │    ciphertext,                    │── Rate limit check ──>           │
      │    signature,                     │── Allowlist check ──>            │
      │    client_msg_id}                 │── Dedup (client_msg_id) ──>      │
      │                                   │── KV: store msg body ──>         │
      │                                   │── KV: append pending index ──>   │
      │                                   │── Queue: send hint (optional) ──>│
      │<─ 200 OK ──────────────────────── │                                  │
      │                                   │                                  │
      │                                   │<──── POST /pull ─────────────────│
      │                                   │      (heartbeat, every 5min+)    │
      │                                   │── KV: read pending index ──>     │
      │                                   │── KV: load msg bodies ──>        │
      │                                   │── TTL check / drop expired ──>   │
      │                                   │─── [{ciphertext, signature}] ───>│
      │                                   │                                  │
      │    

... (truncated)

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