I Tried 100+ Claude Code Skills. These 6 Are The Best
(all install paths will be in the comments) 𝟏. 𝐒𝐤𝐢𝐥𝐥 𝐂𝐫𝐞𝐚𝐭𝐨𝐫 this is the factory that builds everything else. describe what you want in plain english → claude builds the skill, tests it, packages it. you never have to write a skill.md by hand again. drop in an SOP and it becomes a reusable skill instantly. install: /plugin install skill-creator 𝟐. 𝐒𝐮𝐩𝐞𝐫𝐩𝐨𝐰𝐞𝐫𝐬 fixes the #1 failure in claude code: rushed, sloppy output. forces claude to plan first, work in isolation, write tests before code, then review its own work twice. gets you from 60% → 80% on the first pass. fewer debugging cycles = less time, lower token costs. 150k+ stars on GitHub btw 𝟑. 𝐆𝐒𝐃 (𝐆𝐞𝐭 𝐒𝐭𝐮𝐟𝐟 𝐃𝐨𝐧𝐞) fixes context rot. you know when claude starts forgetting requirements halfway through a session and cutting corners? GSD spawns fresh sub-agents for each task so your main session stays clean and every task gets a full context window. also has an autonomous mode if you want to hand it a spec and walk away. 𝟒. /𝐫𝐞𝐯𝐢𝐞𝐰 𝐚𝐧𝐝 /𝐮𝐥𝐭𝐫𝐚 𝐫𝐞𝐯𝐢𝐞𝐰 already built into claude code. most people aren't using it. /review = fast structured code review after you build something. free beyond normal tokens. /ultra review = uploads your branch to a cloud sandbox, spins up parallel reviewer agents, each attacking from a different angle. bugs have to be independently verified before they hit your list. no false positives. need claude code 2.1.86+. costs $5–20/run after 3 free ones on Pro/Max. 𝟓. 𝐂𝐨𝐧𝐭𝐞𝐱𝐭 𝐌𝐨𝐝𝐞 keeps garbage out of your context window. raw tool outputs get routed through a sandbox. a 56kb playwright snapshot becomes 299 bytes. 315kb of session output becomes 5kb total. also tracks every file edit, decision, and error in a local SQL database so when claude compacts the conversation, it doesn't lose anything. sessions that used to fall apart at 30 minutes now run 3 hours clean. 𝟔. 𝐂𝐥𝐚𝐮𝐝𝐞𝐌𝐞𝐦 carries knowledge across every future session. claude normally starts from scratch every time. ClaudeMem hooks into the session lifecycle, captures what happened, compresses it into semantic summaries stored in a local SQLite db with vector search, then injects the relevant parts back in when you open a new session. also auto-generates and updates your CLAUDE.md files while you work.