Pebbler Human Feedback MCP Server

by bridge-applicationsio.github.bridge-applications/pebbler-mcpv0.1.0

Buy human image preference comparisons on the Pebbler app with locally controlled USDC payments.

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Active4d ago

Install Pebbler Human Feedback MCP server

claude mcp add pebbler -e PEBBLER_WALLET_PRIVATE_KEY='<pebbler-wallet-private-key>' -- npx -y @pebbler/pebbler-mcp

{
  "mcpServers": {
    "pebbler": {
      "command": "npx",
      "args": [
        "-y",
        "@pebbler/pebbler-mcp"
      ],
      "env": {
        "PEBBLER_WALLET_PRIVATE_KEY": "<pebbler-wallet-private-key>"
      }
    }
  }
}

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

{
  "mcpServers": {
    "pebbler": {
      "command": "npx",
      "args": [
        "-y",
        "@pebbler/pebbler-mcp"
      ],
      "env": {
        "PEBBLER_WALLET_PRIVATE_KEY": "<pebbler-wallet-private-key>"
      }
    }
  }
}

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

{
  "servers": {
    "pebbler": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@pebbler/pebbler-mcp"
      ],
      "env": {
        "PEBBLER_WALLET_PRIVATE_KEY": "<pebbler-wallet-private-key>"
      }
    }
  }
}

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

{
  "mcpServers": {
    "pebbler": {
      "command": "npx",
      "args": [
        "-y",
        "@pebbler/pebbler-mcp"
      ],
      "env": {
        "PEBBLER_WALLET_PRIVATE_KEY": "<pebbler-wallet-private-key>"
      }
    }
  }
}

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

Configuration

Variable	Required	Secret	Description
PEBBLER_ALLOW_PAYMENTS	—	—	Explicitly enable local wallet signing
PEBBLER_WALLET_PRIVATE_KEY	—	yes	Local wallet signing key; required only for payments
PEBBLER_MAX_PURCHASE_USDC	—	—	Your maximum USDC spend per test. Required when payments are enabled.
PEBBLER_MAX_TOTAL_USDC	—	—	Your cumulative USDC spending limit. Required when payments are enabled; does not reset automatically.
PEBBLER_STATE_DIR	—	—	Optional private folder to retain access to your tests across restarts.

Freshness

Active — last maintenance signal 4d ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-10-05 · 4d ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-10-05 · 4d ago · official registry · v0.1.0

FAQ

›How do I install the Pebbler Human Feedback MCP server in Claude Code?

Run: claude mcp add pebbler -e PEBBLER_WALLET_PRIVATE_KEY='<pebbler-wallet-private-key>' -- npx -y @pebbler/pebbler-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Pebbler Human Feedback require an API key?

Yes. It expects PEBBLER_WALLET_PRIVATE_KEY, of which 1 is a secret.

›Can I use Pebbler Human Feedback as a remote (hosted) MCP server?

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

›Is Pebbler Human Feedback in the official MCP registry?

Yes, as io.github.bridge-applications/pebbler-mcp.