AI & Agents · Skill Development
Skill Development tools
Every Skill Development tool worth a solo builder's time - the agent skills, MCP servers and marketplaces tagged Skill Development, ranked by community signal. A focused slice of the broader AI & Agents category.
What's in Skill Development
Skill Development collects 290 curated tools across agent skills, a focused part of the broader AI & Agents category. Every one is screened against a single quality bar and ranked by real community signal.
These tools span Idea, Validate, Build, Ship, Grow and Operate of the build journey.
Description
1Find SkillsAI & AgentsSearch skills.sh and install agent skill packages when you need a capability you do not have in the repo yet.2M21.7k
2Skill CreatorAI & AgentsScaffold, document, and package reusable agent skills so solo builders can ship consistent Claude Code–style capabilities without reinventing SKILL.md structure.269k148k
3Lark Skill MakerAI & AgentsAuthor new lark-cli Skills (SKILL.md) that wrap single APIs or multi-step Feishu/Lark workflows for reuse by agents.230k0
4Skills CliAI & AgentsDiscover, install, and sync Agent Skills from skills.sh so Claude Code, Cursor, or Codex can reuse proven workflows instead of reinventing them in chat.215k61
5Write A SkillAI & AgentsGather requirements, draft SKILL.md with progressive disclosure, optional REFERENCE/EXAMPLES/scripts, and iterate with the user on coverage and depth.209k121k
6Using SuperpowersAI & AgentsInstall this as the default ritual so your coding agent always loads the right SKILL.md before planning, coding, or answering—instead of guessing from chat alone.143k221k
7Find SkillsAI & AgentsSearch skills.sh, Clawhub, and GitHub in one run to shortlist installable agent skills with per-registry popularity, match relevance, and optional security scans.113k6
8Writing SkillsAI & AgentsAuthor, edit, and pressure-test agent skills using TDD-style scenarios before publishing to ~/.claude/skills or ~/.agents/skills.103k221k
9TeachAI & AgentsMaintain an opinionated GLOSSARY.md so explainers and exercises share compressed, consistent terminology as learners prove understanding.57.1k121k
10Contribute CatalogAI & AgentsContribute a new HyperFrames registry block or component and open an upstream PR when the public catalog—not an in-repo edit—is the goal.55.5k25.6k
11Template SkillAI & AgentsBootstrap a new SKILL.md package in your repo by replacing placeholder frontmatter and body text with real triggers and instructions.45.3k148k
12ValueAI & AgentsRecognize a deliberate no-op placeholder skill so agents do not treat it as real procedural guidance.35.5k3
13Huashu NuwaAI & AgentsTurn a named thinker, fuzzy decision need, or local transcripts into a runnable Claude-style character skill with lenses, heuristics, and honest boundaries.20.8k23.3k
14Skill DevelopmentAI & AgentsCreate, structure, and improve Claude Code plugin skills with progressive disclosure and solid SKILL.md anatomy.13.4k131k
15Make Skill TemplateAI & AgentsScaffold a new GitHub Copilot Agent Skill folder with valid SKILL.md frontmatter and optional scripts, references, and assets.9k34.6k
16Microsoft Skill CreatorAI & AgentsScaffold reusable Microsoft SDK and library agent skills with Learn docs search patterns and CLI fallbacks when MCP is unavailable.8.8k34.6k
17Finalize Agent PromptAI & AgentsPolish an existing agent prompt file’s structure, clarity, and markdown without changing its intent before you ship or reuse it.8.7k34.6k
18Suggest Awesome Github Copilot SkillsAI & AgentsDiscover awesome-copilot skills missing from your repo, avoid duplicates, and flag local copies that lag upstream.8.6k34.6k
19HealthAI & AgentsAudit your Claude Code workspace—CLAUDE.md, rules/, and skills—for executable instructions, trigger clarity, and tier-appropriate rigor before you rely on the agent for real shipping work.7.8k0
20Darwin SkillAI & AgentsAutonomously score, hill-climb, and validation-test changes to a SKILL.md, then pause for human sign-off before keeping or rolling back.7.1k3.6k
21Skill CreatorAI & AgentsScaffold a new agent SKILL.md package with Starchild metadata, optional scripts/references/assets folders, and a chosen structuring pattern before you wire custom workflows.6.6k13
22SkillmarketplaceAI & AgentsSearch, install, and publish agent skills from local, Starchild community, and skills.sh registries without hand-downloading SKILL.md files.6.3k13
23Update SkillAI & AgentsRefactor or extend an existing `.agents/skills/` package using progressive disclosure so agents load only the SKILL sections and references they need.6k18
24Continuous LearningAI & AgentsTurn Claude Code session endings into reviewable learned skills instead of losing fixes and workarounds every time you close the editor.5.5k210k
25Using Agent SkillsAI & AgentsRoute any incoming dev task to the right workflow skill in the addyosmani/agent-skills collection at session start or when you are unsure which skill applies.5.1k49.1k
26Configure EccAI & AgentsRun the interactive Everything Claude Code installer to copy selected skills and rules into user- or project-level Claude directories, verify paths, and optionally optimize them.5.1k210k
27Validate SkillsAI & AgentsLint every skill folder in a repo against agentskills.io and Claude Code authoring rules before you publish or share a skill pack.4k1.4k
28Rules DistillAI & AgentsIndex every rule file under ~/.claude/rules and emit structured JSON so you can distill, archive, or merge overlapping agent rules.3.9k210k
29Skill ComplyAI & AgentsAudit agent session tool traces against expected skill workflows so solo builders can verify agents followed test-first or compliance patterns.3.8k210k
30Skill JudgeAI & AgentsScore a SKILL.md or skill package for knowledge delta, structure, and activation so you publish skills that add expert value—not redundant tutorials.3.8k2k
31Agent Md RefactorAI & AgentsSplit an overgrown CLAUDE.md or AGENTS.md into a slim root file plus linked topic docs so every agent task loads less noise.3.8k2k
32Ljg Skill MapAI & AgentsInventory every skill under ~/.claude/skills as JSON so you can audit names, versions, and descriptions before pruning or documenting your agent stack.3.8k5.5k
33Evaluation MethodologyAI & AgentsCalibrate how agent skills are scored on triggering, depth, and quality when you build or audit skills for Claude Code and similar agents.3.8k36.5k
34Self LearningAI & AgentsPackage procedural know-how so your coding agent stays concise and follows the right workflow freedom for fragile vs flexible tasks.3.2k65
35Agent SortAI & AgentsTrim a full Everything Claude Code (ECC) bundle to a repo-specific DAILY versus LIBRARY install plan backed by grep evidence instead of guesswork.3.2k210k
36Testing Handbook GeneratorAI & AgentsSpawn handbook-aligned Claude Code skills from Testing Handbook markdown sections using a fixed two-pass template workflow.3.1k5.6k
37K Skill SetupAI & AgentsFinish shared configuration and credential verification after you install the full k-skill bundle globally.3k5.4k
38Skill CreatorAI & AgentsCreate new agent skills with proper structure and progressive disclosure.3k63.7k
39Skill ImproverAI & AgentsRefine and harden custom agent skills from Trail of Bits patterns so procedural SKILL.md files stay accurate, safe, and useful across projects.2.7k5.6k
40Designing Workflow SkillsAI & AgentsDesign durable, invocable agent workflow skills with clear triggers, steps, and security-aware structure.2.7k5.6k
41Skill NameAI & AgentsCopy the Claude Office skill template to author a new scenario-based SKILL.md package with naming and testing guidelines before opening a PR.2.6k196
42Skill ShareAI & AgentsSpin up a properly structured SKILL.md package and notify your team on Slack when you publish internal agent skills.2.5k63.7k
43Skill CreatorAI & AgentsRun structured blind A/B skill evaluations and post-hoc winner/loser analysis so you can iteratively improve agent SKILL.md packages with evidence.2.5k4
44Template SkillAI & AgentsScaffold a new Claude agent skill by copying the Composio awesome-claude-skills starter and replacing the placeholder description and instructions.2.4k63.7k
45Create SkillAI & AgentsAuthor concise, discoverable SKILL.md packages so your coding agent reliably loads the right procedural knowledge without bloating the context window.2.4k19
46Ljg PushAI & AgentsSync updated ~/.claude/skills/ljg-* skills to the ljg-skills GitHub repo on master (org-mode) and md (markdown) branches with a README consistency gate.2.2k5.5k
47Skill CreatorAI & AgentsPackage repeatable agent procedures into SKILL.md files and validate them with structured evals before publishing to your team or catalog.2.1k21.7k
48Skill CreatorAI & AgentsAfter a blind A/B skill comparison picks a winner, unblind the runs and produce actionable reasons the winner won plus concrete improvements for the losing skill.2.1k1.8k
49Find SkillsAI & AgentsInstall a skills.sh package globally and symlink it into a deer-flow project's skills/custom folder from owner/repo@skill-name.2k70.7k
50Engineering SkillsAI & AgentsLoad one meta entry point so your agent can route to 23 production engineering skills—from architecture and fullstack to QA, DevOps, SecOps, and AI/ML—across Claude Code, Codex, Cursor, and OpenClaw.2k17.5k
51Text OptimizerAI & AgentsShrink prompts, CLAUDE.md, and agent instruction files with 41 token-efficiency rules so you spend less per session without losing intent.2k27
52Skill CreatorAI & AgentsCreate, refactor, validate, or slim down SKILL.md packages so your agent triggers stay lean and YAML-safe.2k378k
53Agent Platform Skill RegistryAI & AgentsScaffold a new agent skill with a standardized SKILL.md and optional references/, scripts/, and assets/ folders before you flesh out logic by hand.2k12.1k
54Hermes ImportsAI & AgentsSanitize a repeated Hermes operator workflow into a public ECC skill and release-pack artifacts without leaking paths, tokens, or private data.2k210k
55Engineering Advanced SkillsAI & AgentsBrowse and invoke twenty-five advanced engineering sub-skills for agents, RAG, MCP, CI/CD, databases, observability, and security from one POWERFUL-tier index.1.9k17.5k
56Ick SkillAI & AgentsInstall when you need an agent capability published on the 17usoft Walle skills registry alongside other third-party SKILL.md packages.1.8k0
57Skill WriterAI & AgentsAuthor a focused Claude Code Agent Skill with correct SKILL.md frontmatter, scope, and discovery-friendly structure.1.8k101k
58Data Context ExtractorAI & AgentsBootstrap or extend a company-specific data analysis agent skill by interviewing analysts and writing reference files for your warehouse.1.8k19.6k
59BackpropAI & AgentsTurn a failing test or reported bug into a SPEC.md invariant and test so the same class of failure cannot recur under spec-driven development.1.8k999
60Ce UpdateAI & AgentsDetect whether ce-update runs from the Claude marketplace cache and print the installed Compound Engineering version segment.1.8k20.5k
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Skill Development tools - common questions
What counts as a Skill Development tool?
Any agent skill, MCP server or marketplace tagged Skill Development - a focused slice of the broader AI & Agents category. Skillselion collects every Skill Development tool across types on one page.
How are Skill Development tools ranked?
By real community signal - installs, GitHub stars and votes - not paid placement. Sponsored slots, when present, are labelled and kept out of the ranking.