Coding & Development
raphaelchristi/harness-evolver
Automated harness evolution for AI agents. A Claude Code plugin that iteratively optimizes system prompts, routing, retrieval, and orchestration code using full-trace counterfactual diagnosis. Based on Meta-Harness (Lee et al., 2026).
$ npx skills add raphaelchristi/harness-evolverbackchainai/backchain-plugins
Claude Code plugin marketplace by Backchain — practical frameworks for AI-enabled decision assistance. Countering AI sycophancy with tools that challenge, not validate.
$ npx skills add backchainai/backchain-pluginsPostHog/ai-plugin
Official PostHog plugin for Claude Code, Cursor, and other AI coding tools
$ npx skills add PostHog/ai-pluginPalmCoast/clawlock-plugin
ClawLock Claude Code Plugin - Identity, credential vault, and audit security for AI agents. By AgentHive Inc.
$ npx skills add PalmCoast/clawlock-pluginJiusi-pys/agent-plugins
claude code plugins marketplace
$ npx skills add Jiusi-pys/agent-pluginschrisfentiman/claude-context-cli
Auto-indexing CLI for claude-context-mcp (npm: claude-context-cli)
$ npx skills add chrisfentiman/claude-context-cliFrankFMY/buddy-evolution
Companion progression system for Claude Code — achievements, XP, journal, and stats tracking across sessions
$ npx skills add FrankFMY/buddy-evolutioncostajohnt/oss-scout
Find open source issues personalized to your contribution history. Three-strategy search, deep vetting, and viability scoring.
$ npx skills add costajohnt/oss-scoutsalmundani/ralphex
Ralphex is a Claude Code plugin that uses Claude Code as planner + implementer, and Codex as code reviewer
$ npx skills add salmundani/ralphexcostajohnt/oss-autopilot
Claude Code plugin — AI-powered autopilot for managing open source contributions. Track PRs, respond to maintainers, discover issues, maintain velocity.
$ npx skills add costajohnt/oss-autopilotlgbarn/shipyard
Structured project lifecycle plugin for Claude Code — from idea to production with discipline, parallel agents, and quality gates.
$ npx skills add lgbarn/shipyardShiftinBits/constellation-claude
Constellation Plugin for Claude Code
$ npx skills add ShiftinBits/constellation-claudebitflight-devops/hallucination-detector
Zero-dependency Claude Code plugin that catches speculation, invented causality, and fake citations before they pollute your context. Install in one command, works offline, no API keys needed.
$ npx skills add bitflight-devops/hallucination-detectorojowwalker77/Claude-Matrix
Claude on Rails - Tooling System for Claude Code.
$ npx skills add ojowwalker77/Claude-MatrixSuuzoujuuzou/Claudeman
🚀 Manage Claude Code sessions effortlessly, featuring persistent sessions, tracking, and multi-session dashboards for a seamless development experience.
$ npx skills add Suuzoujuuzou/Claudemanpunt-labs/vox
Speech - a voice for Claude Code: Text-to-speech CLI, MCP server, and Claude Code plugin (ElevenLabs, AWS Polly, OpenAI)
$ npx skills add punt-labs/voxmurtazatouqeer/f5-framework-claude
🤖 Boost your development with the F5 Framework for Claude Code, featuring powerful commands and plugins for efficient AI-powered coding and quality assurance.
$ npx skills add murtazatouqeer/f5-framework-claudeJacklineMK/claude-tts
Convert Claude Code responses to speech using various TTS providers with local fallback for seamless audio output across platforms.
$ npx skills add JacklineMK/claude-ttsQaxim-0/claude-rolling-context
Provide rolling context compression for Claude Code by summarizing old messages while keeping recent ones fully detailed to extend conversation length.
$ npx skills add Qaxim-0/claude-rolling-contextthai24605/claude-code-cost-estimate
Estimate development costs and timelines by analyzing codebases using real market rates and team effort projections without AI involvement.
$ npx skills add thai24605/claude-code-cost-estimateNbofs8398/claudes-ai-buddies
Host and manage competing AI engines in one platform to test, compare, and deploy multiple AI models efficiently.
$ npx skills add Nbofs8398/claudes-ai-buddieshrconsultnj/claude-plugins
Claude Code plugin — code quality hooks, knowledge graph, impact-aware reviews, decomposition enforcement. Babysitter for your AI's code quality.
$ npx skills add hrconsultnj/claude-pluginsRexboy23/awesome-claude-plugins
🛠️ Explore and share a curated collection of plugins for Claude, enhancing its capabilities and integrating with various tools and services.
$ npx skills add Rexboy23/awesome-claude-pluginsFreePeak/LeanKG
LeanKG: Stop Burning Tokens. Start Coding Lean.
$ npx skills add FreePeak/LeanKG