Five improvements to position the library as a serious engineering project: 1. Cross-tool compatibility — new README "Works With" section honestly documenting where skills run (Claude Code natively; SKILL.md bodies port to other agents and chat LLMs as system prompts). 2. Python helper scripts (stdlib-only) for the three strongest skills: - sprint-planning: capacity_calculator.py (recommended commitment) - rice-prioritisation: rice_calculator.py (ranks, flags quick wins/moonshots) - cs-health-scorecard: health_score.py (weighted total + RAG) Each is wired into its SKILL.md and synced to the plugin copies. 3. Explicit skill tiering — TIERS.md + README section marking 46 Production-Ready skills and calling out Experimental (external-dependency) ones; everything else is Stable. 4. Repository hygiene — new CHANGELOG.md (Keep a Changelog format) and SKILL-AUTHORING-STANDARD.md; refreshed SECURITY.md version table and helper-script disclosure; added .gitignore. 5. Related Projects — README section linking to alirezarezvani/claude-skills and the major awesome-claude-skills / awesome-claude-code lists. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_016JWn5jRD5tcEFKrubjQ6Px
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Skill Tiers
Not every skill in a 170+ library is at the same level of maturity — and pretending otherwise wastes your time. This page tiers the skills honestly so you can start with the strongest work and know what to expect from the rest.
| Tier | What it means |
|---|---|
| 🟢 Production-Ready | Battle-tested, stable output format, used in real work. Includes the skills with computed helper scripts. Start here. |
| 🔵 Stable | Solid and well-structured. Reliable output; smaller track record than Production-Ready. This is the default tier for most of the library. |
| 🟡 Experimental | Newer, niche, or dependent on an external tool/API/scrape (Gemini, Gmail, browser automation, social scraping). Useful, but more setup and more moving parts — expect rough edges. |
⚙️ = ships a stdlib-only Python helper script that computes part of the work.
🟢 Production-Ready (46)
These are the skills to reach for first — the most-used, most-refined frameworks in the library.
Product core
prd-template · meeting-notes · stakeholder-update · user-research-synthesis · competitive-analysis
Prioritisation & planning
rice-prioritisation ⚙️ · feature-prioritisation · okr-builder · roadmap-narrative · rice-impact-matrix
Delivery
sprint-planning ⚙️ · sprint-brief · user-story-writer · retro-analysis · ab-test-planner · product-launch-checklist · technical-spec-template
Discovery
customer-journey-map · assumption-mapper · user-interview-synthesis · discovery-interview-guide · job-story-mapper
Data & analytics
data-analysis-standard · retention-analysis · cohort-analysis · metrics-framework · product-health-analysis
Customer success
cs-health-scorecard ⚙️ · churn-analysis · qbr-deck · renewal-playbook · customer-success-plan · cs-escalation-brief
Engineering
code-review-checklist · incident-postmortem · architecture-decision-record · api-docs-writer · runbook-writer · changelog-generator · pr-description-writer · technical-debt-register
GTM & strategy
go-to-market · competitor-teardown · product-positioning-doc
Cross-profession
executive-summary · press-release
🟡 Experimental
These depend on external services, scraping, or browser/desktop automation. They can be genuinely useful, but they have more setup and more failure modes than a self-contained markdown skill — treat output as a strong draft, and expect to adapt them to your environment.
| Skill | Why it's experimental |
|---|---|
instagram-post-downloader |
Depends on Instagram's page structure; can break when the site changes. |
substack-notes-scraper |
Scrapes Substack engagement data; fragile to layout changes. |
thumbnail-creator |
Requires a Gemini API key and image generation. |
notebooklm-connector |
Drives NotebookLM via a Chrome extension / browser automation. |
email-triage |
Requires Gmail access and a configured time window. |
morning-intelligence |
Designed for scheduled-task / routine setups; depends on your news sources. |
last-30-days-research |
Relies on live Reddit / X / web search availability and quality. |
competitor-signal-tracker |
Depends on the live sources you point it at. |
multi-source-signal-synthesiser |
Quality depends on the breadth/quality of sources supplied. |
🔵 Stable (everything else)
Every skill not listed above is Stable: well-structured, reliable output, broadly useful — just with a shorter track record than the Production-Ready set. Browse the full list in the README.
Tiers are reviewed as skills mature. New skills enter as Experimental and are promoted once they have a stable output format and real-world use — see SKILL-AUTHORING-STANDARD.md. Think a skill is mis-tiered? Open an issue.