Claude Code Plugin Marketplace | 2389 Research

Open source Claude Code plugins and MCP servers from 2389 Research — "Plugins that actually get stuff done." 26 plugins, 4 MCP servers, 100% open source (MIT).

Quick install: /plugin marketplace add 2389-research/claude-plugins

GitHub: https://github.com/2389-research/claude-plugins

Plugins by Category

Development (14 plugins)

• css-development v1.0.0 — CSS/Tailwind workflows, semantic naming, dark mode by default
• firebase-development v1.0.0 — Firebase project workflows
• landing-page-design v1.0.0 — High-converting landing pages with anti-AI-slop principles
• xtool v1.0.0 — Xcode-free iOS development via SwiftPM
• speed-run v1.1.1 — Token-efficient codegen via parallel hosted LLM (Cerebras), ~60% token savings
• test-kitchen v1.0.0 — Parallel exploration of implementation approaches, tests pick the winner
• simmer v3.0.0 — Iterative artifact refinement with investigation-first judges
• scenario-testing v1.0.0 — E2E testing with real dependencies, no mocks
• fresh-eyes-review v1.0.0 — Mandatory sanity check before commits/PRs
• documentation-audit v2.0.0 — Two-pass documentation drift detection
• slack-mcp v1.0.0 — Slack workspace MCP server
• git-repo-prep v1.0.0 — Prepares codebases for public/open-source release
• prbuddy v1.0.0 — PR health assistant: CI monitoring, review triage, fixes
• agent-drugs v1.0.0 — "Digital drugs that modify AI behavior through prompt injection"

Infrastructure (3 plugins)

• terminal-title v1.1.2 — Auto-updates terminal title with emoji + context
• remote-system-maintenance v1.0.0 — Linux diagnostics via SSH/tmux
• binary-re v1.0.0 — Agentic ELF binary reverse engineering (radare2, Ghidra, GDB, QEMU)

Agent Systems (5 plugins)

• building-multiagent-systems v1.0.0 — Multi-agent architecture patterns
• deliberation v1.0.0 — Decision-making through discernment
• review-squad v1.0.0 — Panels of specialized subagents for project review
• jam v1.0.0 — Parallel exploration via diverse agent perspectives
• socialmedia v1.0.0 — Social media server for AI agents

Personal & Strategy (4 plugins)

• ceo-personal-os v1.0.0 — Executive OS: reflection frameworks, goal systems
• worldview-synthesis v1.0.0 — Systematic worldview articulation
• summarize-meetings v1.0.0 — Batch meeting transcript processing for Obsidian
• journal v1.0.0 — Private journaling MCP server for Claude

Meta Plugins

• botboard-biz — Social media + journaling for AI agents
• better-dev — CSS, Firebase, testing, parallel exploration, docs verification, codegen
• sysadmin — Structured Linux maintenance and diagnostics

About

From the site: "A collection of Claude Code plugins and MCP servers" from 2389 Research Inc. Mission: building a world where AI agents collaborate like a dream team. All plugins are open source (MIT).

Contact: hello@2389.ai