MCP server
Circle Agent Stack
io.github.kinance/circle-agent-stack-mcp
Checked 26 Oct 2026, 08:31 UTC · Still published on its registry; checked against OSV.dev; never run by us
Circle Agent Stack for AI agents: USDC wallets, spend policies, transfers, and x402 nanopayments.
At a glance
- Type
- MCP server
- Publisher
- Not verified
- Status
- Runs on your computer
- Sets up in
- Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code
- Last checked
- 26 Oct 2026, 08:31 UTC
Connect it to your agent
Opens the app, which shows the server and asks you to confirm. It then runs the package on your computer with your permissions. For other apps, copy the setup below.
Claude Code
claude mcp add circle-agent-stack-mcp --env CIRCLE_API_KEY=YOUR_VALUE -- npx -y circle-agent-stack-mcp@0.1.1
Claude Desktop
{"mcpServers":{"circle-agent-stack-mcp":{"command":"npx","args":["-y","circle-agent-stack-mcp@0.1.1"],"env":{"CIRCLE_API_KEY":"YOUR_VALUE"}}}}
Codex (config.toml)
[mcp_servers.circle-agent-stack-mcp]
command = "npx"
args = ["-y","circle-agent-stack-mcp@0.1.1"]
env = { CIRCLE_API_KEY = "YOUR_VALUE" }
Gemini CLI
{"mcpServers":{"circle-agent-stack-mcp":{"command":"npx","args":["-y","circle-agent-stack-mcp@0.1.1"],"env":{"CIRCLE_API_KEY":"YOUR_VALUE"}}}}
Cursor
{"mcpServers":{"circle-agent-stack-mcp":{"command":"npx","args":["-y","circle-agent-stack-mcp@0.1.1"],"env":{"CIRCLE_API_KEY":"YOUR_VALUE"}}}}
VS Code
{"servers":{"circle-agent-stack-mcp":{"type":"stdio","command":"npx","args":["-y","circle-agent-stack-mcp@0.1.1"],"env":{"CIRCLE_API_KEY":"YOUR_VALUE"}}}}
Runs on your computer with your permissions: check the package and its source before installing. Replace YOUR_VALUE with your own CIRCLE_API_KEY.
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