| name | taiko |
| description | Deploy, test, and interact with smart contracts on Taiko networks (Type-1 ZK-EVM rollup on Ethereum). Use when "Taiko", "Hoodi", "L2 deployment", "bridge", "forge", or "Taikoscan" is mentioned. For x402 payment APIs use the taiko-x402 skill instead. |
Taiko Development
Build, deploy, and verify smart contracts on Taiko — a Type-1 ZK-EVM based rollup on Ethereum. Taiko targets 2-second block times powered by based preconfirmations.
Network Selection: If the user has not specified "hoodi" or "mainnet", always ask which network to use before proceeding.
Networks
See Networks Reference for chain IDs, RPCs, contract addresses, explorers, and API endpoints.
Quick Decision Guide
| Task | Command/Resource |
|---|
| Deploy contract | FOUNDRY_PROFILE=layer2 forge create ... |
| Verify (Taikoscan) | forge verify-contract --verifier-url $TAIKOSCAN_API_URL ... |
| Verify (Blockscout) | forge verify-contract --verifier blockscout ... |
| Verify (Etherscan V2) | forge verify-contract --verifier-url "https://api.etherscan.io/v2/api?chainid=$CHAIN_ID" ... |
| Fork testing | FOUNDRY_PROFILE=layer2 forge test --fork-url $TAIKO_RPC |
| Contract addresses | MainnetL1Addrs.sol / MainnetL2Addrs.sol / HoodiL1Addrs.sol / HoodiL2Addrs.sol in assets/foundry-template/src/ |
Protocol Knowledge
Foundry Setup
Use assets/foundry-template/ as a starting point.
Critical: Always use FOUNDRY_PROFILE=layer2 for Taiko L2:
FOUNDRY_PROFILE=layer2 forge build
FOUNDRY_PROFILE=layer2 forge test --fork-url $TAIKO_RPC
foundry.toml (both networks)
[profile.default]
solc_version = "0.8.30"
evm_version = "prague"
[profile.layer2]
evm_version = "shanghai"
See Networks Reference for RPC and Etherscan config.
Deploy
FOUNDRY_PROFILE=layer2 forge create src/MyContract.sol:MyContract \
--rpc-url $TAIKO_RPC --private-key $PRIVATE_KEY
FOUNDRY_PROFILE=layer2 forge create src/Token.sol:Token \
--rpc-url $TAIKO_RPC --private-key $PRIVATE_KEY \
--constructor-args "TokenName" "TKN" 1000000000000000000000000
FOUNDRY_PROFILE=layer2 forge script script/Deploy.s.sol:DeployScript \
--rpc-url $TAIKO_RPC --private-key $PRIVATE_KEY --broadcast
Verify
Taikoscan
forge verify-contract <ADDRESS> src/MyContract.sol:MyContract \
--watch --verifier-url https://api.taikoscan.io/api \
--etherscan-api-key $TAIKOSCAN_API_KEY
forge verify-contract <ADDRESS> src/MyContract.sol:MyContract \
--watch --verifier-url https://api-hoodi.taikoscan.io/api \
--etherscan-api-key $TAIKOSCAN_API_KEY
Blockscout
forge verify-contract <ADDRESS> src/MyContract.sol:MyContract \
--chain-id 167000 --verifier blockscout \
--verifier-url "https://blockscoutapi.mainnet.taiko.xyz/api?"
forge verify-contract <ADDRESS> src/MyContract.sol:MyContract \
--chain-id 167013 --verifier blockscout \
--verifier-url https://blockscout.hoodi.taiko.xyz/api
Cast CLI
cast balance <ADDRESS> --rpc-url $TAIKO_RPC
cast chain-id --rpc-url $TAIKO_RPC
cast block-number --rpc-url $TAIKO_RPC
cast gas-price --rpc-url $TAIKO_RPC
cast send <TO> "functionName(args)" --rpc-url $TAIKO_RPC --private-key $PRIVATE_KEY
Getting ETH
Mainnet: Bridge from Ethereum via https://bridge.taiko.xyz (24h cooldown for L2→L1)
Hoodi: Get test ETH from L1 faucets (see Networks Reference), then bridge via https://bridge.hoodi.taiko.xyz
x402 Payments
Taiko runs live x402 facilitators for HTTP-native USDC payments on Mainnet and Hoodi. For building payment-protected APIs or AI agent clients, use the dedicated taiko-x402 skill — it covers seller middleware, buyer client setup, and full facilitator configuration.
Troubleshooting
| Issue | Solution |
|---|
| "Invalid EVM version" | Use FOUNDRY_PROFILE=layer2 |
| "Contract not verified" | Check API endpoint URL and key |
| "Insufficient funds" | Bridge ETH from L1 |
| "Transaction reverted" | Use cast run <TX_HASH> to debug |
Examples
See examples/ for Python (signal verification, block hash) and Solidity (bridge receiver, cross-chain counter).
CLI Quick Reference
Use taiko --json for structured output parseable by agents:
taiko network status --json
taiko network info --json
taiko contract verify <ADDR> <id> --network hoodi
taiko bridge status <TX_HASH> --json
All commands return: { schema_version, command, status, network, data, errors, warnings, metrics }
Related Skills
Resources