CoinFello Agent CLI

Setup

pnpm install
pnpm build

RPC Configuration

The CLI uses QuickNode as its RPC provider. Configure it via environment variables:

Variable	Required	Description
RPC_BASE_URL	Yes (for paid RPC)	QuickNode base URL (e.g. https://your-endpoint-name)
RPC_API_KEY	Yes (for paid RPC)	QuickNode API key
RPC_URL_OVERRIDE	No	Custom RPC URL override for development/testing (overrides all other RPC settings)

If RPC_BASE_URL and RPC_API_KEY are both set, the CLI routes requests through QuickNode for supported chains. If either is missing, it falls back to the chain's default public RPC.

Supported chains: Ethereum (1), Polygon (137), BSC (56), Linea (59144), Base (8453), Base Sepolia (84532), Optimism (10), Arbitrum (42161), Ethereum Sepolia (11155111). Unsupported chains fall back to the default public RPC.

Local development: Set RPC_URL_OVERRIDE (e.g. http://127.0.0.1:8545) to route all RPC calls through a custom URL, regardless of chain.

Manual Testing

You can run the CLI via node dist/index.js after building.

1. create_account

Creates a MetaMask Hybrid smart account. By default, the signing key is generated in the macOS Secure Enclave (hardware-backed, non-exportable). If Secure Enclave is unavailable, the CLI warns and falls back to a software key. The chain is determined dynamically by the server when a delegation is requested via send_prompt.

Pass --use-unsafe-private-key to explicitly use a plaintext software key (development/testing only).

# Default: Secure Enclave
node dist/index.js create_account

# Development/testing: plaintext private key
node dist/index.js create_account --use-unsafe-private-key

Expected output (Secure Enclave):

Creating Secure Enclave-backed smart account...
Secure Enclave smart account created successfully.
Address: 0x...
Key tag: ...
Config saved to: /home/<user>/.clawdbot/skills/coinfello/config.json

Expected output (unsafe private key):

Creating smart account...
Smart account created successfully.
Address: 0x...
Config saved to: /home/<user>/.clawdbot/skills/coinfello/config.json

To overwrite an existing account, pass --delete-existing-private-key.

2. get_account

Displays the current smart account address from local config.

node dist/index.js get_account

3. sign_in

Authenticates with CoinFello using Sign-In with Ethereum (SIWE). Saves the session token to local config.

node dist/index.js sign_in

Expected output:

Signing in with smart account...
Sign-in successful.
User ID: ...
Session token saved to config.

4. set_delegation

Stores a parent delegation JSON object in config.

node dist/index.js set_delegation '{"delegate":"0x...","delegator":"0x...","authority":"0x0","caveats":[],"salt":"0x0","signature":"0x..."}'

5. new_chat

Clears the saved conversation chat ID from local config, forcing the next send_prompt call to start a fresh chat.

node dist/index.js new_chat

6. send_prompt

Sends a natural language prompt to CoinFello. If the server requires a delegation to execute the action, the CLI saves the delegation request to a local file and logs the details to the terminal. The delegation is not signed or submitted automatically — you must explicitly approve it with approve_delegation_request. Requires create_account and sign_in to have been run first.

node dist/index.js send_prompt "send 5 USDC to 0xRecipient..."

Expected output (when delegation is requested):

Sending prompt...
=== Delegation Request ===
Scope type: erc20TransferAmount
Chain ID: 8453
Token address: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Max amount: 5000000
Original prompt: "send 5 USDC to 0xRecipient..."
Justification: "Transfer 5 USDC to 0xRecipient on Base"
Requested at: 2026-03-16T12:34:56.789Z
Chat ID: chat_abc123
Call ID: call_abc123
==========================
Delegation request saved to: /home/<user>/.clawdbot/skills/coinfello/pending_delegation.json
Run 'approve_delegation_request' to sign and submit this delegation.

7. approve_delegation_request

Approves and signs a pending delegation request saved by send_prompt, then submits it to CoinFello.

node dist/index.js approve_delegation_request

Expected output:

Approving delegation request...
=== Delegation Request ===
...
==========================
Fetching CoinFello delegate address...
Loading smart account...
Creating subdelegation...
Signing subdelegation...
Sending signed delegation...
Transaction submitted successfully.
Transaction ID: <txn_hash>

8. signer-daemon

Manages the Secure Enclave signing daemon. Without the daemon, each signing operation (account creation, sign-in, delegation signing) triggers a separate Touch ID / password prompt. Starting the daemon authenticates once and caches the authorization for subsequent operations.

# Start the daemon (prompts Touch ID / password once)
node dist/index.js signer-daemon start

# Check if the daemon is running
node dist/index.js signer-daemon status

# Stop the daemon
node dist/index.js signer-daemon stop

If the daemon is not running, all signing operations fall back to direct Secure Enclave binary execution (which prompts Touch ID each time).

Help

View all commands and options:

node dist/index.js --help
node dist/index.js create_account --help
node dist/index.js send_prompt --help
node dist/index.js signer-daemon --help