Deepfirsthq MCP Server

by deepfirsthqcom.deepfirstsearch/agent-pay-mcpv0.1.8

x402 payments in USDC on Base inside an owner-signed, on-chain budget the model can't change

1Node.jsstdioofficial registry

context tax

queued

security

queued

cold start

queued

freshness

Active1d ago

Install Deepfirsthq MCP server

claude mcp add deepfirsthq -e AGENT_PAY_BURNER_SEED='<agent-pay-burner-seed>' -e AGENT_PAY_AGENT_KEY='<agent-pay-agent-key>' -- npx -y @deepfirstsearch/agent-pay-mcp '<config.json>'

{
  "mcpServers": {
    "deepfirsthq": {
      "command": "npx",
      "args": [
        "-y",
        "@deepfirstsearch/agent-pay-mcp",
        "<config.json>"
      ],
      "env": {
        "AGENT_PAY_BURNER_SEED": "<agent-pay-burner-seed>",
        "AGENT_PAY_AGENT_KEY": "<agent-pay-agent-key>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "deepfirsthq": {
      "command": "npx",
      "args": [
        "-y",
        "@deepfirstsearch/agent-pay-mcp",
        "<config.json>"
      ],
      "env": {
        "AGENT_PAY_BURNER_SEED": "<agent-pay-burner-seed>",
        "AGENT_PAY_AGENT_KEY": "<agent-pay-agent-key>"
      }
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "deepfirsthq": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@deepfirstsearch/agent-pay-mcp",
        "<config.json>"
      ],
      "env": {
        "AGENT_PAY_BURNER_SEED": "<agent-pay-burner-seed>",
        "AGENT_PAY_AGENT_KEY": "<agent-pay-agent-key>"
      }
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "deepfirsthq": {
      "command": "npx",
      "args": [
        "-y",
        "@deepfirstsearch/agent-pay-mcp",
        "<config.json>"
      ],
      "env": {
        "AGENT_PAY_BURNER_SEED": "<agent-pay-burner-seed>",
        "AGENT_PAY_AGENT_KEY": "<agent-pay-agent-key>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
AGENT_PAY_BURNER_SEED	yes	yes	32-byte hex secret the per-merchant payer addresses are derived from. Never your owner key.
AGENT_PAY_AGENT_KEY	—	yes	The budget's agent key (needed when a vault is configured).

Freshness

Active — last maintenance signal 1d ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-10-08 · 1d ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-10-08 · 1d ago · official registry · v0.1.8

FAQ

›How do I install the Deepfirsthq MCP server in Claude Code?

Run: claude mcp add deepfirsthq -e AGENT_PAY_BURNER_SEED='<agent-pay-burner-seed>' -e AGENT_PAY_AGENT_KEY='<agent-pay-agent-key>' -- npx -y @deepfirstsearch/agent-pay-mcp '<config.json>'. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Deepfirsthq require an API key?

Yes. It expects AGENT_PAY_BURNER_SEED, AGENT_PAY_AGENT_KEY, of which 2 are secrets.

›Can I use Deepfirsthq as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is Deepfirsthq in the official MCP registry?

Yes, as com.deepfirstsearch/agent-pay-mcp.