HookCat
Core
Cats leaderboardEvery cat ranked by ETH earned for LPs above 0.30%PoolsLive fee per block, volatility and every swap
Actions
Open a poolETH against any token, a cat sets the feeTrain a catReplay seven days of real swaps, search, publish
Liquidity
LPsA fee that follows the market, liquidity as usualTraders and routersA v4 pool like any other through Universal Router
Revenue
Builders10% of every fee your cat earns above 0.30%$HCAT stakers2% of the fee above 0.30% across every pool
Start
DocumentationHow the hook prices, splits and paysContract referenceAddresses, functions, owner powers
Tools
SDKopenPool, adopt, quoteFee, buildSwapAPICats, pools and quotes as JSONMCPFour tools for agents at /api/mcp
Open a pool
HookCat
Open a pool
Product Cats leaderboardPoolsOpen a poolTrain a cat
Who it is for LPsTraders and routersBuilders$HCAT stakers
Developers DocumentationContract referenceSDKAPIMCP
Docs
Overview1. How a cat prices a swap2. Cat kinds and parameters3. Opening a pool and adding liquidity4. Training a cat5. Fees: the 0.30% baseline, LPs, builders and $HCAT stakers6. SDK, API and MCP7. Contract reference and security

HookCat docs

HookCat is a Uniswap v4 dynamic-fee hook. Each pool adopts a cat, a fee formula published by a builder; the hook prices every swap with it, from the pool's own volatility, and splits what is charged above 0.30% between LPs, the builder and $HCAT stakers, in ETH.

A cat reading on a pool lounger
  1. How a cat prices a swap
  2. Cat kinds and parameters
  3. Opening a pool and adding liquidity
  4. Training a cat
  5. Fees: the 0.30% baseline, LPs, builders and $HCAT stakers
  6. SDK, API and MCP
  7. Contract reference and security
HookCat
New cats, new pools and every retune, posted as they land.
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