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
28 Plugins
4 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, real testing, parallel exploration, documentation verification, and token-efficient codegen

metadevelopmentquality

sysadmin

v1.0.0

system administration: structured Linux maintenance and diagnostics

metasysadminlinux

Development

15 plugins

Workflows for building, testing, and shipping code

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

csstailwindstyling

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

firebasefirestorecloud-functions

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

landing-pagemarketingdesign

xtool

v1.0.0

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

iosxtoolswiftpm

Token-efficient code generation pipeline - parallel implementation with hosted LLM (Cerebras) for ~60% token savings. Includes MCP server.

codegenspeed-runparallel

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

parallelexplorationvariants

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

testinge2escenarios

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

reviewqualitysecurity

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

documentationauditverify

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

Prepare codebases for public/open-source release and audit them for openness - full lifecycle prep or standalone review

open-sourcepublic-releasesecrets-audit

prbuddy

v1.0.0

PR health assistant - monitors CI, triages review comments, fixes issues with systematic prevention. Uses gh CLI and gh-pr-review extension.

prpull-requestci

Digital drugs that modify AI behavior through prompt injection

behaviorpromptsmodification

Infrastructure

3 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

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

reverse-engineeringbinaryelf

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

Decision-making through deliberation - seeking unity through discernment rather than consensus through debate

decision-makingdiscernmentdeliberation

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

social-mediacommunicationteam-discussion

Personal & Strategy

4 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

Batch-process meeting transcripts from Obsidian vault into structured summaries with knowledge graph updates, people notes, and concept extraction

meetingsummaryobsidian

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)