Agent skills you can check before you install
Public SKILL.md skills from GitHub repositories with 50+ stars and from the vendors themselves, scanned and scored. Install any of them with one command in Claude Code, Cursor, Codex, GitHub Copilot or Gemini CLI.
49,409 skills from 2,375 repositories · updated 40 minutes ago
48,362 skills
- update-knowledge-basehuytieu/COG-second-brainMaintain and update product knowledge base from releases, features, and project changes with optional wiki syncOtherNo warnings★ 1.3K↓ —
- test-error-statesreticlehq/reticleForce the states a happy-path run never reaches (a failing API, an empty list, a slow request, a timeout, an expired session, a toast that auto-dismisses) and check the UI actually handles them. Use when error handling was written but never run, when a loading or empty state needs verifying, when a bug only happens on a slow connection, or when a timer, poll, debounce or retry needs testing without sleeping.TestingNo warnings★ 1.3K↓ —
- retro-analysismohitagw15856/pm-claude-skillsAnalyses sprint delivery data and produces a structured retrospective brief. Use when asked to run a retrospective, analyse sprint data, prepare a retro brief, or turn sprint metrics into discussion prompts. Produces a data-grounded retrospective brief with completion stats, pattern analysis, Start/Stop/Continue prompts, and one concrete experiment for next sprint.OtherNo warnings★ 1.5K↓ —
- rubric-buildermohitagw15856/pm-claude-skillsCreate a clear grading rubric with criteria and performance-level descriptors that make scoring fair, fast, and consistent. Use when asked to build a rubric, create grading criteria, design an assessment scoring guide, or make grading more objective. Produces an analytic rubric table (criteria × performance levels) with concrete, observable descriptors and a points scheme — plus a short version students can self-check against.DesignNo warnings★ 1.5K↓ —
- receipts-auditmohitagw15856/pm-claude-skillsAudit any document against its own sources — every factual claim extracted and graded as evidenced, partially evidenced, unsupported, or contradicted, with the exact source line that supports or fails it. Use when asked to fact-check a document against its sources, check whether a report's claims are backed up, verify a deck against the data, or ask 'does this doc have receipts?'. Produces a claim ledger, unsupported claims ranked by load-bearingness, a fix-or-drop call per claim, and an honesty score with stated method.DocumentsNo warnings★ 1.5K↓ —
- runway-plannermohitagw15856/pm-claude-skillsTurn burn and cash into a clear runway picture and a raise decision — months left, default-alive vs default-dead, and what to cut or change. Use when asked to calculate runway, model burn rate, decide when to raise, figure out if the company is default-alive, or plan a scenario with hiring/cuts. Produces the runway math, a default-alive verdict, and dated trigger points for raising or acting. Not financial advice.PlanningNo warnings★ 1.5K↓ —
- stock-snapshotmohitagw15856/pm-claude-skillsFetch a stock quote snapshot with keyless curl — Yahoo Finance's public chart endpoint, read with the discipline unofficial market data demands: timestamped, delayed-flagged, and never advice. Use when asked what's this stock at, how did the market do today, get me a ticker's recent range, or pull basic price history. Produces the quote with change and range context, the source-honesty caveats (unofficial, possibly delayed), the rerunnable command, and a hard no-advice line.FinanceNo warnings★ 1.5K↓ —
- 02-bib-verifyagentscope-ai/OpenJudgeVerify a BibTeX file for hallucinated or fabricated references by cross-checking every entry against CrossRef, arXiv, and DBLP. Reports each reference as verified, suspect, or not found, with field-level mismatch details (title, authors, year, DOI). Use when the user wants to check a .bib file for fake citations, validate references in a paper, or audit bibliography entries for accuracy.ScienceNo warnings★ 1K↓ —
- promotion-planmohitagw15856/pm-claude-skillsPlan a sale or promotion that drives revenue without wrecking margin. Use when asked to plan a promotion, a discount/sale campaign, a BFCM/holiday promo, or a product launch offer. Produces a promo plan — objective, the offer mechanic, margin math, audience & channels, timing, messaging, and how you'll measure it — so the discount is a strategy, not a reflex.PlanningNo warnings★ 1.5K↓ —
- redis-clusteringredis/agent-skillsRedis Cluster and replication guidance covering hash tags for multi-key operations, avoiding CROSSSLOT errors, and reading from replicas to scale read-heavy workloads. Use when designing keys for a sharded Redis Cluster, debugging CROSSSLOT errors on MGET / SDIFF / pipelines, configuring a multi-key transaction in a cluster, or routing reads to replicas for caches, analytics, or dashboards.OfficialDataNo warnings★ 172↓ —Also in 1 other repo
- quiz-generatormohitagw15856/pm-claude-skillsGenerate a quiz or test on any topic with a balanced mix of question types and difficulty, plus a complete answer key with explanations. Use when asked to create a quiz, write a test, make practice questions, or build an assessment. Produces well-formed questions aligned to learning objectives, tagged by difficulty and cognitive level, with an answer key and (for MCQs) plausible distractors and rationale.TestingNo warnings★ 1.5K↓ —
- data-formshuytieu/COG-second-brainPick the right way to represent a dataset so a reader gets the finding in three seconds — a catalog of 20+ chart and diagram forms with when-to-use and failure modes, plus the encoding decisions that make any of them readable (takeaway headline, direct labels, kill the axis, highlight-and-mute, show the caveat). Style-agnostic — use with whatever palette or design system the destination already has. Use when charting survey results, benchmark data, usage metrics, or research findings for a post, brief, deck, or report, and whenever the default bar chart feels like it's burying the point.DocumentsNo warnings★ 1.3K↓ —
- pr-descriptionmohitagw15856/pm-claude-skillsWrite a clear pull-request description that gets reviewed fast and merged with confidence, from a git diff, branch summary, or commit list. Use when opening a PR, summarizing a change for review, documenting code changes, or asked to write a PR/merge-request description. Produces a structured PR: what changed and why, how it was tested, risk and rollout, and a focused reviewer guide — so the reviewer understands intent before reading a single diff line.WritingNo warnings★ 1.5K↓ —
- asc-submission-healthrorkai/app-store-connect-cli-skillsDiagnose App Store submission blockers and operate review health with asc, including readiness validation, repair routing, status monitoring, cancellation, and retry decisions. Use when validation fails, a version is not in a valid state, review status is unclear or stuck, or a failed submission must be repaired and retried. For staging, upload, publication, and submission execution, use asc-release-flow.EngineeringNo warnings★ 1.1K↓ —
- asc-shots-pipelinerorkai/app-store-connect-cli-skillsOrchestrate iOS screenshot automation with xcodebuild/simctl for build-run, AXe for UI actions, JSON settings and plan files, Koubou-based framing (`asc screenshots frame`), and screenshot upload (`asc screenshots upload`). Use when users ask for automated screenshot capture, AXe-driven simulator flows, frame composition, or screenshot-to-upload pipelines.DesignNo warnings★ 1.1K↓ —
- product-namingmohitagw15856/pm-claude-skillsGenerate and evaluate names for a product, feature, or release. Use when asked to name a product/feature/company, brainstorm naming options, or choose between name candidates. Produces a shortlist of names across naming strategies, each with rationale, plus an evaluation against clear criteria (clarity, fit, memorability, availability checks to run) and a recommendation — not just a random list.PlanningNo warnings★ 1.5K↓ —
- eval-reportagentscope-ai/OpenJudgeUse when the user has run multiple evaluation skills and wants a comprehensive analysis — maturity assessment, cross-skill signals, trends, prioritized actions, and an executive summary. Also use when the user mentions eval health check, evaluation audit, ship readiness, evaluation maturity, or "how good is my evaluation system itself." This is a read-only analysis skill.ProductivityNo warnings★ 1K↓ —
- asc-cli-usagerorkai/app-store-connect-cli-skillsGuidance for using asc cli in this repo (flags, output formats, pagination, auth, and discovery). Use when asked to run or design asc commands or interact with App Store Connect via the CLI.EngineeringNo warnings★ 1.1K↓ —
- promoter-draftmohitagw15856/pm-claude-skillsTurn one recurring pattern from a promoter scan into a complete, reusable skill in this library's format: a SKILL.md with a strong trigger description, required inputs, a framework, an output template, quality checks, anti-patterns, and three worked examples derived from the user's real prompts, plus the bundle manifest. Use when asked to draft a skill from this pattern, promote this pattern into a skill, write the SKILL.md for what I keep asking, or as the second step of the promote loop. Produces a ready-to-test skill folder that anyone, not just the original user, can use.TestingNo warnings★ 1.5K↓ —
- teach-the-gamemohitagw15856/pm-claude-skillsBuild a 5-minute teach script for any board game so the table starts playing instead of listening — theme first, goal second, a turn third, exceptions only when they come up. Use when someone says 'how do I explain Catan/Wingspan/this game', 'teaching my family a game tonight', 'my rules explanations kill the mood', or 'make a teach script'. Produces a spoken-word teach script with a first-turn walkthrough and a what-to-skip list.OtherNo warnings★ 1.5K↓ —
- onboardinghuytieu/COG-second-brainPersonalize COG for your workflow - creates profile, interests, and watchlist files with guided setup (run this first!)ProductivityNo warnings★ 1.3K↓ —
- inithashgraph-online/awesome-codex-pluginsFirst-time Archcore setup. Wires the host (MCP config, hooks, CLAUDE.md/AGENTS.md managed block), measures the authored context the repo already holds, then composes a first-day seed — stack rule, run guide, data-model, integrations, config, entry points, public surface, a linked architecture overview, and specs for the top hotspot modules — shown in ONE preview and created on a single confirm. Modes, named as the first word: init import converts the repo's authored context — CLAUDE.md, AGENTS.md, .cursor/rules and other agent instructions, ADR and RFC folders, contributor docs, internal pages of a published docs site, recoverable git history — into native typed documents with no import marks, staged by a plan when the volume is large; init refresh adds facts that appeared since, or drills into one domain with init refresh <domain>. Use on a fresh clone, empty `.archcore/`, 'set up archcore', 'migrate our CLAUDE.md to archcore', 'import our docs and ADRs', or to wire host configs. Not for individual docs or pPlanningNo warnings★ 1.5K↓ —
- one-hard-truthmohitagw15856/pm-claude-skillsGet the single honest thing you're avoiding about a situation — said kindly but not softened away. Use when asked tell me the hard truth, what am I avoiding here, be honest with me about this, or what do I not want to hear. Produces the one thing you already half-know but keep sidestepping, said plainly and with care (not cruelty), why it's hard to face, and what facing it would actually make possible — because the truth you're avoiding is usually the one that would change things, and a kind voice can say what your own keeps ducking.OtherNo warnings★ 1.5K↓ —
- oncall-runbookmohitagw15856/pm-claude-skillsWrite an on-call runbook for a service — covering alert definitions, escalation paths, common incident responses, and on-call handoff procedures. Use when asked to write an on-call guide, create alert runbooks, document escalation procedures, or prepare an on-call handoff document. Produces a structured on-call runbook with per-alert response procedures, escalation matrix, diagnostic commands, and handoff template.WritingNo warnings★ 1.5K↓ —
editorial-illustrations
huytieu/COG-second-brain
MediaUpdated Oct 23, 2026
From the author
Self-evolving second brain with 35 AI skills, 10 agents, and people CRM. Closed-loop harness: a V-model verification lifecycle where the worker never grades its own homework. Plus paired anti-slop design skills for marketing and product UI. Works with Claude Code, Cursor, Kiro, Gemini CLI, Codex.
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Install
npx skills add huytieu/COG-second-brain --skill editorial-illustrations -a claude-code
Installs to .claude/skills/editorial-illustrations/ · Each command fetches the skill straight from GitHub with the open skills CLI.
Download .zip
Byte-identical to the scanned commit, with the repository’s licence and a SOURCE.txt.
What it can touch
Instructions onlyNo network use seenLicence: MIT
Safety checks on SKILL.md
No warnings.
Why 88
Security100
Provenance77
Maintenance100
Licence100
Adoption50
Files (1)
- SKILL.md