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.
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.
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.
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.
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.
Multi-platform Claude Code plugin (8.6k stars, v2.3.1 Apr 12) that renders a visual knowledge graph plus business logic dashboard for any codebase — tagline 'graphs that teach > graphs that impress'. Supports all major IDEs via the plugin marketplace.
"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.
costviralskill
plugin · token · marketplace
claude plugin marketplace add JuliusBrussee/caveman && claude plugin install caveman@caveman
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.
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.
Agent harness optimization framework with 48 agents, 183 skills, 34 language rules, and 14+ MCP configs (162k stars). v1.10.0 April 2026 added a desktop dashboard GUI and launched the ECC 2.0 alpha — the community calls it the 'Claude Code distro'.
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.
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.
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.
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.
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.