keeperhub-langchain 0.3.2

LangChain toolkit for KeeperHub — reliable onchain execution, DeFi protocol actions, and AI workflow generation for any LangChain agent

keeperhub-langchain

Give any Python LangChain agent onchain superpowers — 24 tools for DeFi, transfers, ENS, workflows, and more.

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Skill Install

npx agentskills install keeperhub

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Install

pip install keeperhub-langchain

With MCP bridge (adds KeeperHub's official workflow tools):

pip install "keeperhub-langchain[workflows]"

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5-Minute Quickstart

import asyncio, os
from langchain_keeperhub import KeeperHubToolkit
from langchain_openai import ChatOpenAI
from langgraph.prebuilt import create_react_agent

# pip install keeperhub-langchain langchain-openai langgraph
# export KEEPERHUB_API_KEY=kh_...
# export OPENAI_API_KEY=sk-...

async def main():
    toolkit = KeeperHubToolkit(testnet_only=True)  # safe for dev
    agent = create_react_agent(
        model=ChatOpenAI(model="gpt-4o-mini"),
        tools=toolkit.get_tools(),
    )
    result = await agent.ainvoke({
        "messages": [("user", "What blockchains does KeeperHub support?")]
    })
    print(result["messages"][-1].content)
    # → "KeeperHub supports 19 chains: Ethereum, Base, Arbitrum, Optimism..."

asyncio.run(main())

Get your API key at app.keeperhub.com → Settings → API Keys.

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Safety

# Block all mainnet writes — safe for development
toolkit = KeeperHubToolkit(testnet_only=True)

# Restrict to specific chains only
toolkit = KeeperHubToolkit(
    testnet_only=True,
    allowed_chain_ids={"11155111", "84532"},  # Sepolia, Base Sepolia
)

Applies to transfer_funds, contract_call, check_and_execute. Returns a structured error instead of executing on mainnet.

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Execution History

# SQLite-backed — zero extra deps
toolkit = KeeperHubToolkit(history=True)           # ~/.keeperhub/executions.db
toolkit = KeeperHubToolkit(history="./project.db") # custom path

# Or bring your own store
from langchain_keeperhub import SqliteExecutionStore
toolkit = KeeperHubToolkit(history=SqliteExecutionStore("./executions.db"))

When history=True, every transfer_funds call is persisted with execution ID, network, amount, and recipient. get_execution_status updates the row with the tx hash when the transaction completes.

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MCP Bridge (Optional)

# Combines native tools + KeeperHub's official MCP tools
toolkit = KeeperHubToolkit(
    workflows=True,
    mcp_include={"list_workflows", "execute_workflow", "ai_generate_workflow"},
)
tools = await toolkit.aget_tools()  # must use async when workflows=True

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All 24 Tools

Chains

Tool	Description
keeperhub_list_chains	List all 19 supported blockchains
keeperhub_fetch_contract_abi	Fetch verified ABI, auto-resolves EIP-1967/UUPS/Diamond proxies

Web3

Tool	Description
keeperhub_transfer_funds	Send ETH or any ERC-20 token
keeperhub_contract_call	Read or write any smart contract function
keeperhub_check_and_execute	Atomic condition check + transaction
keeperhub_estimate_gas	Estimate gas cost before submitting

Workflows

Tool	Description
keeperhub_list_workflows	List all org workflows
keeperhub_execute_workflow	Run a workflow by ID
keeperhub_generate_workflow	Create a workflow from plain English
keeperhub_get_execution_status	Poll status, get tx hash

DeFi

Tool	Description
keeperhub_list_protocols	Browse all 396 available protocol actions
keeperhub_protocol_action	Execute any action — Aave V3/V4, Uniswap, Lido, Compound V3, Morpho, Yearn V3, Curve, CowSwap, Aerodrome
keeperhub_get_action_schema	Get required params for any action
keeperhub_search_actions	Search 396 actions by keyword

Payments

Tool	Description
keeperhub_pay_and_run	Execute a paid workflow via x402 (Base USDC) or MPP (Tempo USDC.e)

Identity

Tool	Description
keeperhub_register_agent	Register agent on-chain (ERC-8004) — mints identity NFT
keeperhub_wallet_balance	Check managed wallet balance across all chains
keeperhub_provision_wallet	Provision new Turnkey-backed agentic wallet

ENS

Tool	Description
keeperhub_ens_resolve	Resolve ENS name → address (e.g. vitalik.eth)
keeperhub_ens_text_record	Read ENS text records (avatar, email, twitter, url)
keeperhub_ens_lookup	Reverse lookup — address → ENS name

Chainlink

Tool	Description
keeperhub_chainlink_ccip	Cross-chain token transfer via Chainlink CCIP
keeperhub_chainlink_price	Get latest price from Chainlink oracle

Utility

Tool	Description
keeperhub_run_code	Execute custom JavaScript in KeeperHub sandbox
keeperhub_math_aggregate	Sum, average, median, min, max

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Config Reference

Parameter	Type	Default	Description
api_key	str	env KEEPERHUB_API_KEY	KeeperHub API key
base_url	str	https://app.keeperhub.com	API base URL
timeout	float	30.0	Per-request timeout in seconds
tools	list[str]	None (all 24)	Allowlist of tool names to load
testnet_only	bool	False	Block all mainnet writes
allowed_chain_ids	set[str]	None	Chain ID allowlist
history	bool | str | Store	False	Execution history store
workflows	bool	False	Enable MCP bridge
agent_context	dict	None	Session/goal metadata for observability

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Links

• GitHub: https://github.com/dhruv457457/keeperhub-eth-global/tree/staging/packages/langchain-keeperhub
• KeeperHub platform: https://app.keeperhub.com
• API docs: https://app.keeperhub.com/api/openapi
• TypeScript version: npm install @ethglobal-openagent/langchain-keeperhub
• ElizaOS plugin: npm install @keeperhub/elizaos
• OpenClaw adapter: openclaw plugin install @ethglobal-openagent/openclaw-keeperhub

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License

MIT