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132 boosters for "building" — open source, verified from GitHub, ready to install

1181 Skills617 Plugins662 Agents878 MCP Servers1442 Prompts

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"building"

MCP Server

X402 Starter Kit MCP Server

A starter kit for building paid APIs using the x402 payment protocol, enabling developers to monetize APIs with USDC payments and EIP-3009 support. Ideal for developers creating blockchain-based payment systems and API commerce platforms.

by gurubazawada

x402payment-api

CDCC

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Skill

sockethub

Sockethub bridges web applications to IRC, XMPP, and RSS/Atom feeds using ActivityStreams, enabling developers to build protocol-agnostic messaging clients and real-time communication tools.

by lachthox

Skill

ui-skills

A skill booster that enforces opinionated UI constraints and best practices for building accessible, performant interfaces with AI agents on Claude Code. Developers using terminal-based IDEs (Neovim, tmux) benefit from clear, enforceable standards for component selection, animation, and interaction patterns.

by quanphm

alacrittyghostty

Skill

create-expert-skill

Create production-ready AI skills by extracting domain expertise and system ontologies, ensuring reliable performance in real-world applications. Ideal for developers building AI assistants that need deep contextual knowledge.

by diegosouzapw

aiskill

Prompt

ruby-template — Copilot Instructions

A GitHub Copilot prompt template that guides AI assistance for Ruby development by establishing conventions for environment setup, testing, and project structure. Ideal for Ruby developers and teams looking to standardize AI-assisted coding practices.

Interview Agents using Fetch.ai uAgents SDK

This booster provides three AI interview agents (easy, medium, hard difficulty levels) built with Fetch.ai uAgents SDK to help users practice and improve their interviewing skills through interactive Q&A. Developers and interview coaches benefit from a reusable, multi-difficulty agent framework.

Mcp Migadu MCP Server

An MCP server that integrates Migadu's email hosting API with AI agents, enabling automated email management tasks through Claude Desktop and Claude Code. Useful for developers building AI agents that need to handle email operations programmatically.

by leowilkin

CDCC

Skill

ui-skills

UI Skills provides opinionated constraints and best practices for building better interfaces with AI agents, enforcing consistent use of Tailwind CSS, motion libraries, and accessibility standards. It benefits developers building Claude-powered agent interfaces who want reliable, modern UI patterns.

by diegosouzapw

aiagent

Prompt

vp-scraping — Cursor Rules

Heuristic scoring (no AI key configured).

by ceferonl

cursorrules

Agent

prompt-engineer

An expert prompt engineering agent that optimizes prompts for LLMs and AI systems, helping developers build better AI features and improve agent performance through proven prompt patterns and techniques.

by xats-org

aillm

MCP Server

Amp Mcp MCP Server

An MCP server that provides developer-focused documentation for building applications on Amp, a blockchain/ETL platform. It integrates with Claude Desktop and Claude Code to help developers quickly access Amp's API and integration guides.

by edgeandnode

mcpmodel-context-protocol

CDCC

Skill

aos-constitutional-governance

Enables cryptographically-signed constitutional governance for AI tool use, allowing teams to define immutable policy layers (constitution + signature) beneath mutable identity guidance. Ideal for organizations deploying autonomous agents requiring tamper-evident audit trails and policy enforcement.

by diegosouzapw

gitskill