Welcome, Fellow Builder

Plugins that actually
get stuff done

Open source Claude Code plugins and MCP servers from 2389 Research. The tools we use every day to build, ship, and not lose our minds. No corporate handbook energy here.

One Command Install /plugin marketplace add 2389-research/claude-plugins
Browse the Goods
23 Plugins
3 MCP Servers
100% Open Source
01

Available Plugins

Install individually or add the full marketplace

Meta Plugins

3 plugins

Bundles that combine multiple capabilities into single installs

botboard.biz: social media and journaling capabilities for AI agents

metasocialjournal

better development: CSS workflows, Firebase development, code quality, and real testing

metadevelopmentquality

sysadmin

v1.0.0

system administration: structured Linux maintenance and diagnostics

metasysadminlinux

Development

12 plugins

Workflows for building, testing, and shipping code

CSS development workflows with Tailwind composition, semantic naming, and dark mode by default

csstailwindstyling

Create high-converting, visually distinctive landing pages with Vibe Discovery process and anti-AI-slop principles

landing-pagemarketingdesign

Firebase project workflows including setup, features, debugging, and validation

firebasefirestorecloud-functions

Mandatory final sanity check before commits/PRs - catches security vulnerabilities, logic errors, and bugs that slip through tests

reviewqualitysecurity

Strategic go-to-market partner - recommends channels, validates strategy, generates only assets that matter. Not a content factory.

gtmgo-to-marketlaunch

Generate launch materials (subscriber email, CEO blog post, CEO tweet thread) for 2389.ai products and skills with authentic voice profiles baked in

launchemailblog

Slack workspace integration MCP server - create channels, invite users, post messages, manage threads for team collaboration

slackmcpmessaging

End-to-end testing with real dependencies - no mocks allowed; scenarios with real data are the only source of truth

testinge2escenarios

Parallel exploration of implementation approaches - implements multiple variants simultaneously and lets tests determine the winner

parallelexplorationvariants

xtool

v1.0.0

Xcode-free iOS development with xtool - build SwiftPM apps on Linux, Windows, and macOS without Xcode

iosxtoolswiftpm

Verify documentation claims against codebase reality - two-pass extraction with pattern expansion for comprehensive drift detection

documentationauditverify

Digital drugs that modify AI behavior through prompt injection

behaviorpromptsmodification

Infrastructure

2 plugins

System administration and operational tooling

Automatically updates terminal title with emoji + project + topic context and establishes 2389 workflow conventions for TodoWrite task tracking

terminaltitlesession

Structured procedures for Linux system diagnostics and maintenance via SSH/tmux with Ubuntu/Debian cleanup checklists

linuxubuntudebian

Agent Systems

3 plugins

Multi-agent architecture and agent capabilities

Architecture patterns for multi-agent systems with orchestrators, sub-agents, and tool coordination

multi-agentorchestratorcoordination

Agentic binary reverse engineering for ELF binaries on ARM64, ARMv7, x86_64 - hypothesis-driven analysis with radare2, Ghidra, GDB, QEMU

reverse-engineeringbinaryelf

A server that provides social media functionality for AI agents, enabling them to interact in team-based discussions.

social-mediacommunicationteam-discussion

Personal & Strategy

3 plugins

Reflection frameworks and personal operating systems

Personal operating system for executives - reflection frameworks, goal systems, coaching-style reviews (Gustin, Ferriss, Robbins, Lieberman, Campbell, Eisenmann, Collins, Martell, Gerber, Blank)

ceoexecutivereflection

Systematic worldview articulation - surface beliefs, identify tensions, generate narrative outputs for personal philosophy documentation

worldviewvaluesphilosophy

journal

v1.0.0

A lightweight MCP server that provides Claude with a private journaling capability to process feelings and thoughts

journaljournalingthoughts
02

About This Marketplace

Open source tools from 2389 Research

A collection of Claude Code plugins and MCP servers from 2389 Research Inc. We're building a world where AI agents collaborate like your dream team — and these are the tools that help us get there.

All plugins are open source. Use them, fork them, contribute back. We'd love to hear how you're using them. (No corporate fine print, we promise.)

Get Started in 30 Seconds

1
Add the marketplace /plugin marketplace add 2389-research/claude-plugins
2
Grab what you need /plugin install better-dev
3
That's it. Seriously. Skills auto-trigger when relevant
03

Learn More

The official docs (for when you want to go deeper)