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Claude Code YTD Catchup — 2026

Top 87 hottest items from Jan 1 through today. Deduped across 4 months.

Design

#1. Claude Design

Anthropic launched Claude Design on April 17 — Opus 4.7-powered tool that generates prototypes, slides, and one-pagers from prompts while reading your codebase and design files to apply your design system. Research preview for Pro/Max/Team/Enterprise; Figma stock dropped 7.28% on launch day.

anthropic design ↑ April 2026
frontend
Available at claude.ai (Pro/Max/Team/Enterprise)

#3. CC-Beeper

Floating macOS pager for Claude Code: see what agents are doing, respond by voice, and never miss a permission prompt. 100% Swift, zero dependencies, fully local, no telemetry — hit #6 on Product Hunt daily on April 15 with 220 upvotes.

design viral ↑ April 2026
brew install --cask cc-beeper

#4. Understand-Anything

Trending since March 2026. Skill that turns any codebase or knowledge base into an interactive knowledge graph from inside Claude Code. ~8.6k stars by mid-April.

skill design plugin ↑ March 2026
memory · viral
git clone https://github.com/Lum1104/Understand-Anything

#5. Masko Code

Desktop mascot companion that watches your Claude Code agents and shows speech bubbles for permission requests — ships with Clippy and community mascots, or generate custom ones at masko.ai. Free, MIT-licensed, 100% local.

design viral ↑ April 2026
audio
Download DMG from masko.ai

#8. naksha-studio

Virtual design team plugin — 26 roles, 60 commands, 13.8k lines of curated design knowledge for Claude Code.

design ↑ March 2026
plugin
/plugin install Adityaraj0421/naksha-studio

Cost & Tokens

#1. rtk

Rust CLI proxy that strips noise from dev-command output before it hits the model — claims 60-90% token reduction. ~30k stars from Jan 22.

cost ↑ January 2026 📈 ~30,424 stars
token · proxy · viral · terminal
brew install rtk

#2. caveman

"Why use many token when few token do trick" — the viral meme-skill (39.7k stars) that cuts ~65–75% output tokens and ~46% input tokens while preserving technical accuracy. Arjan Brussee's LinkedIn post spawned 30+ comments; launched on Product Hunt this week.

cost viral skill ↑ April 2026
plugin · token · marketplace
claude plugin marketplace add JuliusBrussee/caveman && claude plugin install caveman@caveman

#3. code-review-graph

Trending since February 2026. MCP server (11.7k stars, v2.3.2 Apr 14) that builds an AST knowledge graph with tree-sitter + SQLite, delivering 6.8× fewer tokens on code reviews and up to 49× on daily tasks. Plugs straight into Claude Code's MCP config with a single pip install.

mcp cost ↑ April 2026
memory · token · viral
pip install code-review-graph && code-review-graph install && code-review-graph build

#4. claude-mem

Plugin (46k+ stars, gained 3k in a single day) that auto-captures sessions, compresses them with the Claude Agent SDK, and injects relevant context at the start of the next session. Uses SQLite + Chroma vector search; cross-platform.

viral plugin cost ↑ April 2026
npx claude-mem install

#7. claude-devtools

Visual UI for Claude Code session logs — turn-based context, compaction visualization, subagent execution trees, token-usage observability.

cost ↑ February 2026
subagent
git clone https://github.com/matt1398/claude-devtools

#8. claude-token-efficient

A single drop-in CLAUDE.md that slashes verbosity on heavy workflows. 4.5k stars in three weeks rode the late-March pricing-pain wave.

cost ↑ March 2026
viral
cp CLAUDE.md ~/your-project/

#9. cc-gateway

Privacy-preserving reverse-proxy gateway for Claude Code — fingerprint normalization, request rewriting, prompt-leak audit. 2.7k stars.

cost ↑ March 2026
proxy · viral · security
docker run motiful/cc-gateway

#10. 9router

Free router connecting Claude Code, Cursor and Cline to 40+ providers and 100+ models, auto-switching tiers when quotas die. ~2.7k stars.

cost ↑ January 2026 📈 ~2,729 stars
proxy · viral
npm install -g 9router

Viral

#1. gstack

Garry Tan's exact Claude Code setup — 23 opinionated tools wired up as CEO/Designer/EM/QA personas. Hit ~78k stars from a March 11 creation, the breakout viral template of the month.

viral ↑ March 2026
git clone https://github.com/garrytan/gstack

#2. everything-claude-code

Trending since January 2026. Full agent harness with 48 agents, 183 skills, hooks, rules and MCP configs. Hit ~162k stars three months after a Jan 18 creation.

plugin skill viral ↑ January 2026 📈 ~161,633 stars
mcp · harness · marketplace
/plugin marketplace add https://github.com/affaan-m/everything-claude-code

#3. claude-code-best/claude-code

Runnable, TS-typed, bun-installable build of Claude Code that emerged hours after the March 31 source leak. ~16.4k stars in <3 weeks.

viral ↑ March 2026
security
bun install && bun run dev

#4. ai-website-cloner-template

Clone any website with a single Claude Code command — template hit 12k stars in <3 weeks on the back of a viral demo thread.

viral ↑ March 2026
npx ai-website-cloner

#5. nanoclaw

Container-native alternative to OpenClaw — messaging integrations, memory, scheduled jobs, runs on Anthropic's Agents SDK. Exploded to ~28k stars from Jan 31.

viral ↑ January 2026 📈 ~27,560 stars
memory · anthropic · alternative
gh repo fork qwibitai/nanoclaw --clone && cd nanoclaw && claude

#6. paoloanzn/free-code

Post-leak 'free build of Claude Code' with telemetry and guardrails stripped — controversial but pulled ~8k stars within days.

viral ↑ March 2026
security
bun install

#7. NanmiCoder/cc-haha

Cross-platform desktop Claude Code fork that bolts on Computer Use. Spawned in the post-leak rush, 7.2k stars in <3 weeks.

viral ↑ March 2026
security
git clone https://github.com/NanmiCoder/cc-haha

#8. claude-code-sourcemap

Annotated sourcemap of the leaked Claude Code internals — 8.95k stars, 14.5k forks in <3 weeks. Anchor of the post-leak research cluster.

viral ↑ March 2026
security
browse repo

#9. get-shit-done

Spec-driven meta-prompting system for Claude Code (55.2k stars, updated April 19) with five slash commands: /gsd-new-project, /gsd-plan-phase, /gsd-execute-phase, /gsd-spike, and /gsd-sketch. Enforces a structured plan-then-build loop that prevents runaway agent sessions.

viral skill ↑ April 2026
npx get-shit-done-cc@latest

#10. cmux

Ghostty-based macOS terminal with vertical tabs and notifications purpose-built for AI coding agents. ~15k stars since Jan 28.

viral ↑ January 2026 📈 ~14,847 stars
terminal
brew tap manaflow-ai/cmux && brew install --cask cmux

#11. claude-squad

Terminal app (7.1k stars) for managing multiple Claude Code, Codex, and Gemini agents in parallel — each in its own isolated git workspace with a tmux pane. Supports any agent that speaks the Claude Code protocol.

viral plugin ↑ April 2026
terminal
curl -fsSL https://raw.githubusercontent.com/smtg-ai/claude-squad/main/install.sh | bash

#14. claude-code-book

420k-word Chinese book reverse-engineering Claude Code as an Agent Harness — landed at the post-leak peak with 2.8k stars.

viral ↑ March 2026
harness · security
browse repo

#15. ralphy

Autonomous bash loop that runs Claude Code, Codex, OpenCode, Cursor, Qwen and Droid against a PRD until it's done. ~2.8k stars.

viral ↑ January 2026 📈 ~2,778 stars
terminal
npm install -g ralphy-cli

Anthropic / General

#4. Claude Opus 4.7

Released April 16: 87.6% SWE-bench in new xhigh effort mode, 98.5% visual acuity, 3.75MP images (3× higher than Opus 4.6), and /ultrareview for parallel multi-agent cloud code review. Price unchanged at $5/M input, $25/M output; Auto mode now available to Max subscribers.

anthropic ↑ April 2026
agent · review

#5. awesome-openclaw-skills

VoltAgent's curated registry — 5,400+ OpenClaw skills filtered from 13,729 candidates. Jan 25 launch pulled ~47k stars.

marketplace skill ↑ January 2026 📈 ~46,684 stars
viral
clawhub install <skill-slug>

#7. OpenAI codex-plugin-cc

OpenAI ships an official Claude Code plugin — call Codex from inside CC for review or delegation. Cross-vendor moment of the month, 15.2k stars in ~3 weeks.

anthropic ↑ March 2026
plugin · viral
/plugin install openai/codex-plugin-cc

#8. Claude Code v2.1.111–2.1.114

Four releases in four days (Apr 15–18): CLI now spawns a native binary instead of bundled JS, sandbox network domain blocking, OSC 8 clickable URLs in terminal, /tui fullscreen mode, push notifications, /less-permission-prompts skill, and plan files auto-named after the prompt.

anthropic ↑ April 2026
skill · terminal

#9. antigravity-awesome-skills

Installable library of 1,400+ agentic skills covering Claude Code, Cursor, Codex CLI, Gemini CLI and Antigravity. ~34k stars from Jan 14.

marketplace skill ↑ January 2026 📈 ~34,073 stars
agent · viral · terminal
npx antigravity-awesome-skills

#10. Claude Cowork on Windows

Cowork desktop reaches Windows with full feature parity — file access, MCP connectors, plugins — opening Anthropic's autonomous agent to ~70% of desktops.

anthropic ↑ February 2026
mcp
Download Claude Desktop for Windows → switch to Cowork mode

#11. oh-my-claudecode

Teams-first multi-agent orchestration layer for Claude Code. ~30k stars since its Jan 9 release.

plugin ↑ January 2026 📈 ~30,168 stars
agent · viral · marketplace
/plugin marketplace add https://github.com/Yeachan-Heo/oh-my-claudecode

#13. slavingia/skills

Sahil Lavingia's 'Minimalist Entrepreneur' skill pack — opinionated solo-founder workflows. 8k+ stars, broadly forked as a personal-skills starter.

skill ↑ March 2026
git clone https://github.com/slavingia/skills ~/.claude/skills/slavingia

#15. last30days-skill

Research skill that pulls 30-day signal from Reddit, X, YouTube, HN, Polymarket and the web into a grounded summary. ~23k stars from Jan 23.

skill ↑ January 2026 📈 ~22,885 stars
plugin · viral · marketplace
/plugin marketplace add mvanhorn/last30days-skill

#16. Anthropic + Infosys partnership

Joint Center of Excellence to build Claude-powered agents for telecom, financial services, manufacturing, and software dev in regulated industries.

anthropic ↑ February 2026
n/a

#17. claude-hud

Statusline plugin showing context usage, active tools, running agents and todo progress. ~20k stars since Jan 2.

plugin ↑ January 2026 📈 ~20,062 stars
context · viral · marketplace
/plugin marketplace add jarrodwatts/claude-hud

#18. Cowork enterprise plugin marketplaces

10 department plugin packs + 12 new MCP connectors (Google Workspace, DocuSign, FactSet, Harvey…) and a 'Customize' admin UI for private internal marketplaces.

marketplace plugin ↑ February 2026
mcp
Cowork → /plugin → Discover → Customize (Team/Enterprise)

#19. ARIS — Auto-claude-code-research-in-sleep

Markdown-only autonomous ML research skill — overnight idea/experiment/eval loops. Kicked off the March 'autoresearch' wave, 7k+ stars.

skill ↑ March 2026
git clone into ~/.claude/skills

#20. planning-with-files

Skill that implements Manus-style persistent markdown planning — the workflow pattern behind the $2B acquisition. ~19k stars from Jan 3.

skill ↑ January 2026 📈 ~19,125 stars
viral
npx skills add OthmanAdi/planning-with-files --skill planning-with-files -g

#21. anthropics/financial-services-plugins

Anthropic's first official vertical plugin pack — ~7.7K stars, MCP-backed integrations for finserv workflows like equity research and compliance review.

marketplace anthropic ↑ February 2026
mcp · plugin · viral
/plugin marketplace add anthropics/financial-services-plugins

#22. agency-agents-zh

211 plug-and-play AI expert personas across 18 departments — the Chinese-localized agency pack everyone forked in March.

skill ↑ March 2026
git clone https://github.com/jnMetaCode/agency-agents-zh

#23. baoyu-skills

Jim Liu's content + image-gen skill bundle — infographics, slides, social publishing, nine image providers. ~15k stars from Jan 13.

skill ↑ January 2026 📈 ~15,520 stars
viral
npx skills add jimliu/baoyu-skills

#24. web-access

Three-tier web/CDP/parallel skill that gives Claude Code robust internet access without third-party MCPs. 5.3k+ stars.

skill ↑ March 2026
git clone into ~/.claude/skills

#25. hive

Zero-setup harness that auto-generates multi-agent topologies for long-running workflows. ~10k stars since Jan 12.

plugin ↑ January 2026 📈 ~10,102 stars
agent · harness · viral
git clone https://github.com/aden-hive/hive.git && cd hive && ./quickstart.sh

#26. claude-code-plugins-plus-skills

Open-source marketplace index with 423 plugins, 2,849 skills, and 177 agents (2k+ stars). The ccpi CLI lets you search and install anything from the index with a single command.

marketplace ↑ April 2026
plugin · terminal
pnpm add -g @intentsolutionsio/ccpi && ccpi install [plugin-name]

#27. trailofbits/skills

Trail of Bits ships 40+ security skills — smart-contract scanners, YARA authoring, Android APK checks, differential code audits. ~4.7k stars.

skill ↑ January 2026 📈 ~4,688 stars
plugin · viral · marketplace · security
/plugin marketplace add trailofbits/skills

#28. codebase-to-course

Skill that converts any codebase into a self-paced interactive HTML course — ~3.9k stars from a single tweet.

skill ↑ March 2026
viral · education
git clone into ~/.claude/skills

#29. awesome-claude-plugins (ComposioHQ)

Curated list of 40+ Claude Code plugins (1.4k stars) led by connect-apps — a flagship plugin with 500+ integration connectors — plus frontend-design, CCHub, and other high-signal picks.

marketplace plugin ↑ April 2026
design · frontend · viral
See README

#30. antfu/skills

Anthony Fu's curated skills — Vue, Nuxt, Vite, Vitest, Pinia, UnoCSS, pnpm — hand-tuned plus generated from upstream docs. ~4.6k stars.

skill ↑ January 2026 📈 ~4,645 stars
viral
pnpx skills add antfu/skills --skill='*'

#31. autoresearch

Karpathy-style autonomous goal-directed iteration skill — second hit in the March autoresearch surge with ~3.9k stars.

skill ↑ March 2026
viral
git clone into ~/.claude/skills

#32. levnikolaevich/claude-code-skills

Full dev lifecycle plugin suite (413 stars): 7 core plugins covering planning through deployment, plus three MCP servers (hex-line, hex-graph, hex-ssh) for graph visualization and remote SSH sessions inside Claude Code.

plugin mcp ↑ April 2026
viral · marketplace
/plugin marketplace add levnikolaevich/claude-code-skills

#33. open-claude-cowork

Composio's open-source take on Claude Cowork with 500+ SaaS integrations. Shipped Jan 13, day after Anthropic's preview.

plugin marketplace ↑ January 2026 📈 ~3,882 stars
anthropic
git clone https://github.com/ComposioHQ/open-claude-cowork.git && cd open-claude-cowork && ./setup.sh

#34. Waza

Engineering habits packaged as runnable Claude skills — code review, debugging, refactor playbooks. 3.6k stars.

skill ↑ March 2026
viral · review
git clone into ~/.claude/skills

#35. claude-code-ultimate-guide

24k lines of docs, 228 templates, 271 quiz questions and a built-in MCP server you can point Claude Code at. ~3.7k stars from Jan 9.

skill mcp ↑ January 2026 📈 ~3,729 stars
viral
npx -y claude-code-ultimate-guide-mcp

#36. claude-scholar

Research assistant covering ideation → literature → experiments → writing, with Zotero and Obsidian integrations. ~3.4k stars.

skill ↑ January 2026 📈 ~3,448 stars
viral
bash <(curl -fsSL https://raw.githubusercontent.com/Galaxy-Dawn/claude-scholar/main/scripts/setup.sh)

#37. Superpowers (obra)

20+ composable skills enforcing clarify→design→plan→code→verify discipline — exploded to 55K+ stars in Feb after Anthropic accepted it into the official marketplace.

skill ↑ February 2026
design · plugin · anthropic · marketplace
/plugin marketplace add obra/superpowers-marketplace

#38. harness

Meta-plugin that designs domain-specific agent teams and generates their skills on the fly. 2.7k stars in two weeks.

plugin ↑ March 2026
harness · viral
/plugin install revfactory/harness

#39. addyosmani/agent-skills

Addy Osmani (Google) drops production-grade engineering skills compatible with Claude Code, Cursor, and Antigravity — ~18K stars in weeks.

skill ↑ February 2026
viral
git clone https://github.com/addyosmani/agent-skills ~/.claude/skills/addyosmani

#40. claude-octopus

Puts up to 8 models on every coding task so blind spots surface before you ship. Plugin form, ~2.8k stars from Jan 15.

plugin ↑ January 2026 📈 ~2,758 stars
viral · marketplace
/plugin marketplace add https://github.com/nyldn/claude-octopus.git

#41. mattpocock/skills

Matt Pocock's personal `.claude/skills` directory becomes the most-cloned creator-driven skill collection of the month — ~16.5K stars.

skill ↑ February 2026
viral · marketplace
git clone https://github.com/mattpocock/skills ~/.claude/skills/mattpocock

#42. HolyClaude

Dockerized AI coding workstation: Claude Code + 7 sibling CLIs + headless browser + 50+ tools, ready to spin up. 2k stars.

plugin ↑ March 2026
viral · browser
docker compose up

#43. Anthropic Cybersecurity Skills

754 cybersecurity skills mapped to MITRE ATT&CK and NIST CSF — riding the Claude Code Security wave to ~5K stars.

skill ↑ February 2026
anthropic · viral · security
git clone https://github.com/mukul975/Anthropic-Cybersecurity-Skills ~/.claude/skills/cybersec

#44. mcp-brasil

MCP server bundling 41 Brazilian public-data and government APIs (CNPJ, CEP, Receita, BCB) into one install. 1.4k stars.

mcp ↑ March 2026
viral
pip install mcp-brasil

#45. ouroboros

Spec-driven harness — interview, seed, execute, evaluate, evolve — with nine specialized agents and 3-stage evaluation gates. ~2.4k stars.

plugin ↑ January 2026 📈 ~2,448 stars
harness · subagent · viral
curl -fsSL https://raw.githubusercontent.com/Q00/ouroboros/main/scripts/install.sh | bash

#46. Claude Plugins Community

Read-only mirror of Anthropic's official curated community plugin marketplace. Submission pipeline at clau.de/plugin-directory-submission.

marketplace ↑ March 2026
plugin · anthropic
/plugin marketplace add anthropics/claude-plugins-community

#47. agent-of-empires

Rust TUI + web dashboard for managing many Claude Code / OpenCode / Codex sessions via tmux and git worktrees. ~1.6k stars.

plugin ↑ January 2026 📈 ~1,638 stars
viral
brew install aoe

#48. engram

Persistent agent memory MCP server in Go + SQLite — tools for store/recall/forget across sessions, riding Feb's memory-layer wave.

mcp ↑ February 2026
memory
go install github.com/Gentleman-Programming/engram@latest

#49. awesome-claude-code-toolkit

Most comprehensive toolkit of the month — 135 agents, 35 skills, 176+ plugins, 14 MCP configs. Heavy March commit cadence.

marketplace ↑ March 2026
mcp
browse repo

#50. drift

MCP server that learns codebase patterns and remembers decisions across sessions. Offline CLI, works in any IDE. ~780 stars from Jan 19.

mcp ↑ January 2026 📈 ~777 stars
local · viral · terminal
# MCP — see repo README for server config

#51. context-mode

Claude Code plugin that sandboxes tool output via PreToolUse/PostToolUse hooks — claims 98% context-window reduction across 12 platforms.

plugin ↑ February 2026
/plugin install mksglu/context-mode

#52. lean-ctx

Rust binary positioning itself as a 99%-cost-cut MCP + shell-hook layer for 24+ coding agents. 695 stars in three weeks.

mcp ↑ March 2026
cost · viral
cargo install lean-ctx

#53. mcp-security-hub

FuzzingLabs' collection of MCP servers wiring offensive tools — Nmap, Ghidra, Nuclei, SQLMap, Hashcat — into AI assistants. ~525 stars.

mcp ↑ January 2026 📈 ~525 stars
viral · marketplace · security
git clone https://github.com/FuzzingLabs/mcp-security-hub

#54. Composio agent-orchestrator

Parallel coding-agent orchestrator from Composio — coordinates Claude Code subagents on CI fixes and merge-conflict resolution. ~6.4K stars.

plugin ↑ February 2026
viral
npx @composio/agent-orchestrator init