defi-skills

  !Chains: 6 !Protocols: 14 !Actions: 54

Translate natural language into unsigned DeFi transaction payloads. A data-driven playbook engine resolves human-readable parameters (token symbols, ENS names, decimal amounts) into ABI-encoded calldata, with zero protocol-specific code in the engine.

Give your agent DeFi superpowers

Claude Code:

/plugin marketplace add NethermindEth/defi-skills
/plugin install defi-skills@nethermind-defi-skills

OpenClaw:

npx clawhub install defi-skills

That's it. Your agent can now build DeFi transactions:

> "Supply 100 USDC to Aave" · "Swap 0.5 ETH for USDC on Uniswap" · "Stake 5 ETH on Lido"

https://github.com/user-attachments/assets/cdc2fd63-b007-40a4-900e-a6f775b6e9fa

Install

pip install defi-skills

Or from source:

git clone https://github.com/NethermindEth/defi-skills
cd defi-skills
python3 -m venv .venv && source .venv/bin/activate
pip install -e .

Quick Start

defi-skills config setup                  # interactive wizard
defi-skills actions                       # list all actions
defi-skills actions --chain-id 11155111   # list Sepolia actions

Build unsigned transactions (fully deterministic, no LLM requierd):

# Mainnet
defi-skills build --action aave_supply --args '{"asset":"USDC","amount":"500"}' --json

# Sepolia
defi-skills build --action aave_supply --args '{"asset":"WETH","amount":"1"}' --chain-id 11155111 --json

# More examples
defi-skills build --action uniswap_swap --args '{"asset_in":"WETH","asset_out":"USDC","amount":"0.5"}' --json
defi-skills build --action lido_stake --args '{"amount":"5"}' --json
defi-skills build --action weth_wrap --args '{"amount":"2"}' --json

Interactive chat mode (requires LLM API key):

defi-skills chat

Output

{
  "success": true,
  "transactions": [
    {
      "type": "approval",
      "raw_tx": { "chain_id": 1, "to": "0xA0b8...", "value": "0", "data": "0x095ea7b3..." }
    },
    {
      "type": "action",
      "action": "aave_supply",
      "function_name": "supply",
      "raw_tx": { "chain_id": 1, "to": "0x8787...", "value": "0", "data": "0x617ba037..." }
    }
  ]
}

Each raw_tx contains {chain_id, to, value, data} -- everything needed to sign and broadcast. The tool never signs or broadcasts. Gas estimation and nonce management are left to the signing wallet.

Supported Protocols

| Protocol | Chains | Actions | |----------|--------|---------| | Native ETH | All | transfer_native | | ERC-20 | All | transfer_erc20 | | ERC-721 | All | transfer_erc721 | | WETH | Mainnet, Arbitrum, Base, Optimism, Sepolia | weth_wrap, weth_unwrap | | Aave V3 | Mainnet, Arbitrum, Base, Optimism, Polygon, Sepolia | aave_supply, aave_withdraw, aave_borrow, aave_repay, aave_set_collateral, aave_repay_with_atokens, aave_claim_rewards | | Uniswap V3 | Mainnet, Arbitrum, Base, Optimism, Polygon, Sepolia | uniswap_swap, uniswap_lp_mint, uniswap_lp_collect, uniswap_lp_decrease, uniswap_lp_increase | | Compound V3 | Mainnet, Arbitrum, Base, Optimism, Polygon | compound_supply, compound_withdraw, compound_borrow, compound_repay, compound_claim_rewards | | Balancer V2 | Mainnet, Arbitrum, Base, Optimism, Polygon | balancer_swap, balancer_join_pool, balancer_exit_pool | | Lido | Mainnet | lido_stake, lido_wrap_steth, lido_unwrap_wsteth, lido_unstake, lido_claim_withdrawals | | Curve | Mainnet | curve_add_liquidity, curve_remove_liquidity, curve_gauge_deposit, curve_gauge_withdraw, curve_mint_crv | | MakerDAO DSR | Mainnet | maker_deposit, maker_redeem | | Rocket Pool | Mainnet | rocketpool_stake, rocketpool_unstake | | EigenLayer | Mainnet | eigenlayer_deposit, eigenlayer_delegate, eigenlayer_undelegate, eigenlayer_queue_withdrawals, eigenlayer_complete_withdrawal | | Pendle V2 | Mainnet | pendle_swap_token_for_pt, pendle_swap_pt_for_token, pendle_swap_token_for_yt, pendle_swap_yt_for_token, pendle_add_liquidity, pendle_remove_liquidity, pendle_mint_py, pendle_redeem_py, pendle_claim_rewards | | Fibrous | Base | fibrous_swap |

How It Works

!Architecture Diagram

The engine has two modes: build (deterministic, no LLM) and chat (interactive LLM agent on top). Both use the same pipeline:

1. Playbooks -- JSON files define each protocol's actions, parameters, and ABI mappings. Chain-agnostic: no hardcoded addresses. 2. ChainResources -- Per-chain contract addresses in data/chains/{chain_id}/{protocol}.json. Supports action overrides (different ABIs) and token overrides (different addresses) per chain. 3. Resolvers -- Pure functions that transform human inputs (token symbols, ENS names, amounts) into on-chain values (addresses, wei, calldata). 4. Encoder -- Maps resolved values to ABI parameters and produces the final {to, value, data}.

> For the full component breakdown, see docs/architecture.md.

Adding a New Protocol

Use the Claude Code agent for the fastest path:

@playbook-generator Add Morpho protocol

Or generate manually:

python scripts/generate_playbook.py \
  --protocol morpho_blue \
  --contracts "pool=0xBBBB..." \
  --functions supply,withdraw,borrow,repay

> See CONTRIBUTING.md for the full walkthrough, including multi-chain support and fork validation.

Configuration

defi-skills config setup   # interactive wizard

Key environment variables:

| Variable | Required for | |----------|-------------| | WALLET_ADDRESS | All commands | | ALCHEMY_API_KEY | On-chain quotes, ENS, balance queries (enable all chains in your Alchemy dashboard) | | ONEINCH_API_KEY | Token discovery on L2s (Arbitrum, Base, Optimism, Polygon) | | ANTHROPIC_API_KEY | Chat mode only |

> See docs/configuration.md for the full list.

Safety

• Output is always unsigned. The tool never signs or broadcasts.
• No private keys involved at any stage.
• All addresses EIP-55 checksummed.
• DEX operations include on-chain quoting with configurable slippage protection.
• Resolvers raise errors on failure. Broken transactions are never silently produced.

Known Limitations

• 6 chains: Mainnet, Arbitrum, Base, Optimism, Polygon, and Sepolia. Adding a protocol to an existing chain requires only data files. Adding a new chain also requires registering it in chains.py.
• No gas estimation -- the signing wallet handles gas and nonce.
• Single-hop swaps only on Uniswap and Balancer.
• Static contract addresses -- protocol upgrades require manual updates to chain resource files.

Tests

pip install -e ".[dev]"
pytest tests/ -v   # fully offline, no API keys needed

Official Links

Website: https://defi-skills.nethermind.io/ Telegram Group: https://t.me/defi_skills

License

MIT