Back to MCP Servers
🧩

Pebbler Human Feedback MCP Server

API key required

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

To add Pebbler Human Feedback 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 5 environment variables, listed below.

DevToolsFinance

Install

npx -y @pebbler/pebbler-mcp@0.1.0

Environment variables

PEBBLER_ALLOW_PAYMENTSSet in your MCP config
PEBBLER_WALLET_PRIVATE_KEYSet in your MCP config
PEBBLER_MAX_PURCHASE_USDCSet in your MCP config
PEBBLER_MAX_TOTAL_USDCSet in your MCP config
PEBBLER_STATE_DIRSet in your MCP config

Install with your client

Terminal
claude mcp add pebbler-human-feedback --env PEBBLER_ALLOW_PAYMENTS=<YOUR_PEBBLER_ALLOW_PAYMENTS> --env PEBBLER_WALLET_PRIVATE_KEY=<YOUR_PEBBLER_WALLET_PRIVATE_KEY> --env PEBBLER_MAX_PURCHASE_USDC=<YOUR_PEBBLER_MAX_PURCHASE_USDC> --env PEBBLER_MAX_TOTAL_USDC=<YOUR_PEBBLER_MAX_TOTAL_USDC> --env PEBBLER_STATE_DIR=<YOUR_PEBBLER_STATE_DIR> -- npx -y @pebbler/pebbler-mcp@0.1.0

Run this in a terminal to add the server to Claude Code.

What this does

Pebbler Human Feedback 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:

PEBBLER_ALLOW_PAYMENTS
PEBBLER_WALLET_PRIVATE_KEY
PEBBLER_MAX_PURCHASE_USDC
PEBBLER_MAX_TOTAL_USDC
PEBBLER_STATE_DIR

Set these via the env object in your MCP config (see claude_desktop_config.json snippet above).

Frequently asked questions

How do I install Pebbler Human Feedback?

Run the Claude Code command in the install section to add Pebbler Human Feedback 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 Pebbler Human Feedback?

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 Pebbler Human Feedback as well.

Does Pebbler Human Feedback need an API key?

Yes. Before it can run, set these environment variables: PEBBLER_ALLOW_PAYMENTS, PEBBLER_WALLET_PRIVATE_KEY, PEBBLER_MAX_PURCHASE_USDC, PEBBLER_MAX_TOTAL_USDC, PEBBLER_STATE_DIR. 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.

Listed on clauderules.net

Add this badge to your README

Show visitors this server is listed in the ClaudeRules directory. The badge links straight to this listing.

Markdown
[![Listed on clauderules.net](https://clauderules.net/api/badge/io-github-bridge-applications-pebbler-mcp)](https://clauderules.net/mcp/io-github-bridge-applications-pebbler-mcp)
HTML
<a href="https://clauderules.net/mcp/io-github-bridge-applications-pebbler-mcp" target="_blank" rel="noopener noreferrer"><img src="https://clauderules.net/api/badge/io-github-bridge-applications-pebbler-mcp" alt="Listed on clauderules.net" /></a>