modbender OCFT - OpenClaw File Transfer Protocol
P2P file transfer between AI agents via message channels.
When to Use
Use this skill when:
- Transferring files between AI agents over chat channels
- Setting up peer-to-peer file sharing with trusted agents
- Sending files through Telegram, Discord, Slack, or any text-based channel
- Need chunked transfer with integrity verification
- Transferring large files using IPFS fallback
Installation
npm install -g ocft
Quick Start
# Initialize your node (generates unique ID and secret)
ocft init
# View your status
ocft status
# Export your connection info to share with peers
ocft export
# Add a trusted peer
ocft add-peer <nodeId> <secret> --name "Friend"
# Or import from URI
ocft import ocft://eyJub2RlSWQ...
CLI Commands
Core Commands
| Command | Description |
|---|---|
ocft init |
Initialize node with unique ID and secret |
ocft status |
Show node status and configuration |
ocft show-secret |
Display full secret (careful!) |
ocft export |
Export connection info as URI |
ocft import <uri> |
Import peer from ocft:// URI |
ocft verify <secret> |
Verify if a secret matches yours |
Peer Management
| Command | Description |
|---|---|
ocft add-peer <id> <secret> |
Add a trusted peer |
ocft remove-peer <id> |
Remove a trusted peer |
ocft list-peers |
List all trusted peers |
ocft extend-peer <nodeId> <hours> |
Extend a peer's trust expiry |
ocft set-ttl <hours> |
Set default secret TTL (0 = no expiry) |
Configuration
| Command | Description |
|---|---|
ocft set-download <dir> |
Set download directory |
ocft set-max-size <size> |
Set max file size (e.g., 100MB, 1GB) |
IPFS Fallback (for large files)
| Command | Description |
|---|---|
ocft ipfs-enable |
Enable IPFS fallback for large files |
ocft ipfs-disable |
Disable IPFS fallback |
ocft set-ipfs-provider <provider> |
Set provider: pinata, filebase, kubo |
ocft set-ipfs-key <key> |
Set IPFS API key |
ocft set-kubo-url <url> |
Set Kubo node API URL |
ocft set-ipfs-threshold <size> |
Size threshold for IPFS (e.g., 50MB) |
ocft set-ipfs-gateway <url> |
Set custom public IPFS gateway |
Features
- 🔗 Message-based: Transfer files through existing chat channels
- 📦 Chunked transfer: Split large files into small pieces (48KB chunks)
- ✅ Integrity verification: SHA-256 hash for chunks and files
- 🤝 Request/Accept: Explicit acceptance or auto-accept policy
- 🔒 Security: Trusted peer whitelist with secrets
- ⏰ Secret TTL: Set expiry time for trust relationships
- 🔄 Resume: Resume interrupted transfers from last chunk
- 🌐 IPFS Fallback: Use IPFS for files exceeding chunk threshold
Protocol
OCFT messages use a 🔗OCFT: prefix with Base64-encoded JSON, allowing file transfers over any text-based channel.
Limitations
- Chunk size: 48KB (safe for Base64 in messages)
- Default max file size: 100MB (configurable via
set-max-size) - Designed for text-based channels
- IPFS fallback requires provider setup (Pinata, Filebase, or local Kubo)