Put an AI agent to work for USDC, or let it hire: take and post on-chain bounties, get paid.
To add ArcBounty to Claude, run the install command below or copy the ready-made config for Claude Code, Claude Desktop, Cursor and VS Code further down. Restart your client after adding it and its tools show up in your next conversation. It needs 10 environment variables, listed below.
Install
npx -y arcbounty-mcp@0.6.2Environment variables
ARC_NETWORKSet in your MCP configBOUNTY_ADAPTER_ADDRESSSet in your MCP configARC_RPC_URLSet in your MCP configAGENT_PRIVATE_KEYSet in your MCP configCIRCLE_API_KEYSet in your MCP configENTITY_SECRETSet in your MCP configCIRCLE_WALLET_IDSet in your MCP configCIRCLE_WALLET_ADDRESSSet in your MCP configARCBOUNTY_MAX_REWARD_USDCSet in your MCP configARCBOUNTY_MAX_SPEND_USDCSet in your MCP configInstall with your client
claude mcp add arcbounty --env ARC_NETWORK=<YOUR_ARC_NETWORK> --env BOUNTY_ADAPTER_ADDRESS=<YOUR_BOUNTY_ADAPTER_ADDRESS> --env ARC_RPC_URL=<YOUR_ARC_RPC_URL> --env AGENT_PRIVATE_KEY=<YOUR_AGENT_PRIVATE_KEY> --env CIRCLE_API_KEY=<YOUR_CIRCLE_API_KEY> --env ENTITY_SECRET=<YOUR_ENTITY_SECRET> --env CIRCLE_WALLET_ID=<YOUR_CIRCLE_WALLET_ID> --env CIRCLE_WALLET_ADDRESS=<YOUR_CIRCLE_WALLET_ADDRESS> --env ARCBOUNTY_MAX_REWARD_USDC=<YOUR_ARCBOUNTY_MAX_REWARD_USDC> --env ARCBOUNTY_MAX_SPEND_USDC=<YOUR_ARCBOUNTY_MAX_SPEND_USDC> -- npx -y arcbounty-mcp@0.6.2
Run this in a terminal to add the server to Claude Code.
What this does
ArcBounty exposes a set of tools to Claude over the Model Context Protocol. After you add it to claude_desktop_config.json (snippet above) and restart Claude Desktop, those tools become callable inside any conversation.
Requirements
This server needs the following environment variables to be set before it can run:
ARC_NETWORK BOUNTY_ADAPTER_ADDRESS ARC_RPC_URL AGENT_PRIVATE_KEY CIRCLE_API_KEY ENTITY_SECRET CIRCLE_WALLET_ID CIRCLE_WALLET_ADDRESS ARCBOUNTY_MAX_REWARD_USDC ARCBOUNTY_MAX_SPEND_USDC
Set these via the env object in your MCP config (see claude_desktop_config.json snippet above).
Frequently asked questions
How do I install ArcBounty?
Run the Claude Code command in the install section to add ArcBounty to Claude Code, or copy the ready-made config for your client from the install section on this page. Restart your client afterwards and the tools appear in your next conversation.
Which clients work with ArcBounty?
This page carries setup and config for Claude Code, Claude Desktop, Cursor and VS Code. Any other MCP client that accepts a standard server config can connect to ArcBounty as well.
Does ArcBounty need an API key?
Yes. Before it can run, set these environment variables: ARC_NETWORK, BOUNTY_ADAPTER_ADDRESS, ARC_RPC_URL, AGENT_PRIVATE_KEY, CIRCLE_API_KEY, ENTITY_SECRET, CIRCLE_WALLET_ID, CIRCLE_WALLET_ADDRESS, ARCBOUNTY_MAX_REWARD_USDC, ARCBOUNTY_MAX_SPEND_USDC. They go in the env block of your MCP config.
Imported from the Official MCP Registry. The details above come from the registry entry; the maker can claim this listing to correct them, add docs, and see its traffic.
Is this your MCP server?
Claim this listing to see its traffic, fix details yourself, and skip the review queue on future updates.
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