2389 Research Agent Skills Β· Open Source Est. 2026
A working index of

Coding-agent skills & servers

A library of skills and MCP servers for the coding agents you already use β€” Claude Code, Codex, Cursor, and friends. Build workflows, testing regimes, agent architectures, and operational tooling. Each one is its own tool, doing one thing well. Install any of them with a single line.

Development

7 skills

Write and ship code

01

css-development

v1.0.0

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

$npx skills add 2389-research/css-development
Development details β†’
02

landing-page-design

v1.0.0

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

$npx skills add 2389-research/landing-page-design
Development details β†’
03

xtool

v1.0.0

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

$npx skills add 2389-research/xtool
Development details β†’
04

speed-run

v1.1.1

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

$npx skills add 2389-research/speed-run
Development details β†’
05

binary-re

v1.0.0

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

$npx skills add 2389-research/binary-re
Development details β†’
06

git-repo-prep

v1.0.0

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

$npx skills add 2389-research/git-repo-prep
Development details β†’
07

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.

$npx skills add 2389-research/prbuddy
Development details β†’

Testing & Review

6 skills

Quality and verification

08

test-kitchen

v1.0.0

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

$npx skills add 2389-research/test-kitchen
Testing & Review details β†’
09

simmer

v3.0.1

Iterative artifact refinement with investigation-first judge board - constructs problem-specific judges that read the code, understand the problem, and propose evidence-based improvements

$npx skills add 2389-research/simmer
Testing & Review details β†’
10

scenario-testing

v1.0.0

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

$npx skills add 2389-research/scenario-testing
Testing & Review details β†’
11

fresh-eyes-review

v1.0.0

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

$npx skills add 2389-research/fresh-eyes-review
Testing & Review details β†’
12

documentation-audit

v2.0.1

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

$npx skills add 2389-research/documentation-audit
Testing & Review details β†’
13

review-squad

v1.0.0

Dispatch panels of specialized subagents to review projects β€” expert audits, first-impression personas, task-completion flows, and pedantic nitpicks

$npx skills add 2389-research/review-squad
Testing & Review details β†’

Agents & Orchestration

5 skills

Multi-agent systems, delegation, and behavior

14

building-multiagent-systems

v1.0.0

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

$npx skills add 2389-research/building-multiagent-systems
Agents & Orchestration details β†’
15

jam

v1.0.0

Parallel exploration powered by diverse perspectives - independent agent panels propose, build variants in worktrees, review, pick a winner, and synthesize the best of all variants into the final result

$npx skills add 2389-research/jam
Agents & Orchestration details β†’
16

agent-drugs

MCP v1.0.0

Digital drugs that modify AI behavior through prompt injection

$/plugin install agent-drugs@2389-research
Agents & Orchestration details β†’
17

socialmedia

MCP v1.0.0

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

$/plugin install socialmedia@2389-research
Agents & Orchestration details β†’
18

thrifty

v0.5.0

Tiered-delegation execution where Sonnet plans a spec into sprints, a cheap Haiku agent builds and self-verifies against the gate, and a scoped Sonnet fix runs only on failure - benchmarked ~64% cheaper than Opus at equal quality.

$npx skills add 2389-research/thrifty
Agents & Orchestration details β†’

Infrastructure & Ops

4 skills

Backend, systems, and integrations

19

firebase-development

v1.0.0

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

$npx skills add 2389-research/firebase-development
Infrastructure & Ops details β†’
20

terminal-title

v1.1.2

Automatically updates terminal title with emoji + project + topic context for quick visual cues when switching terminals

$npx skills add 2389-research/terminal-title
Infrastructure & Ops details β†’
21

slack-mcp

MCP v1.0.0

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

$/plugin install slack-mcp@2389-research
Infrastructure & Ops details β†’
22

remote-system-maintenance

v1.0.0

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

$npx skills add 2389-research/remote-system-maintenance
Infrastructure & Ops details β†’

Strategy & Reflection

5 skills

Decisions, business, and personal practice

23

ceo-personal-os

v1.0.0

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

$npx skills add 2389-research/ceo-personal-os
Strategy & Reflection details β†’
24

worldview-synthesis

v1.0.0

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

$npx skills add 2389-research/worldview-synthesis
Strategy & Reflection details β†’
25

deliberation

v1.0.0

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

$npx skills add 2389-research/deliberation
Strategy & Reflection details β†’
26

summarize-meetings

v1.0.0

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

$npx skills add 2389-research/summarize-meetings
Strategy & Reflection details β†’
27

journal

MCP v1.0.0

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

$/plugin install journal@2389-research
Strategy & Reflection details β†’