Claude Code skills
Dated checks you add to Claude Code. Each skill is a SKILL.md, an offline scanner and its rule table: ask Claude in plain words and it reads every matching file and names the line, the date and the fix. Updated 2026-10-03.
GitHub Actions lint skill for Claude Code — retired runners, EOL Node
Finds the workflow lines that break CI, with the date and the fix
$12 once
Terraform cost review skill for Claude Code — standing AWS and Azure charges
Standing cloud charges in your Terraform, with the list price and the fix
$15 once
License check skill for Claude Code — BUSL, SSPL, AGPL changes in your deps
Which of your dependencies changed licence, and on which date
$12 once
Three dated DevOps checks for Claude Code — Actions, Terraform, licences
GitHub Actions, Terraform cost and dependency licence skills in one pack
$29 once
Tax & payroll rule skills
For accounting and payroll teams. The same file runs in Claude (claude.ai, Claude Code), ChatGPT Business, Codex and Gemini CLI; a script computes the 2026 rule with its official source and check date.
Minijob & Midijob 2026 Rechner-Skill (Claude, ChatGPT Business)
AN- und AG-Anteil für Minijob und Midijob 2026 – exakt nach § 20 Abs. 2a SGB IV
$15 once
Tax & payroll rule skills for AI – Japan invoice + Germany Midijob 2026
Two skills that compute 2026 rules exactly instead of letting AI guess
$25 once
Sold through Whop and Gumroad. Each one is a one-time purchase.
Trader tax skills
For investors who file their own tax: Brazil monthly DARF from the B3 extract, and Spain gains from a foreign broker (IBKR, DEGIRO, Trading 212) with FIFO and Modelo 720. Calculation only - no investment advice.
Skill DARF de ações 2026 — swing, day trade, FII e isenção de R$ 20 mil
Extrato da B3 → DARF de cada mês com vencimento, no seu computador
$15 once
Skill ganancias con bróker extranjero 2026 — IBKR, DEGIRO, Trading 212
Tus operaciones en euros con FIFO, regla de los dos meses y Modelo 720
$15 once
More Claude Code skills
Each one wraps a rule engine we already run, with its example output; same install, one-time purchase.
Security headers skill for Claude Code — dead headers and broken CSP
18 header findings in one _headers file, each with file:line and the reason
$12 once
Livewire security skill for Claude Code — open methods and writable state
14 findings in one Livewire component, each with file:line and the fix
$12 once
Post-quantum crypto skill for Claude Code — RSA/ECC deadlines and ML-KEM fixes
15 crypto findings in one sample, each with file:line, deadline and the fix
$12 once
Email deliverability skill for Claude Code — Gmail/Yahoo rules, one-click unsub
Finds SPF, DMARC, unsubscribe and TLS lines that break Gmail/Yahoo bulk rules
$12 once
VS Code extension publish skill for Claude Code — vsce stops and Open VSX gaps
What vsce publish stops on, and what keeps you off Open VSX, before release
$12 once
Rails ERB XSS audit skill for Claude Code — raw/html_safe, script-tag escaping
Finds each raw, html_safe, <%== and <script> value that skips Rails escaping
$12 once
Kubernetes deprecated API skill for Claude Code — removed apiVersions by line
11 findings in one manifest file, each with the release that removed the API
$12 once
Firestore security rules skill for Claude Code — open paths, missing auth
10 findings in one firestore.rules file, each with the path a client can reach
$12 once
Aurora MySQL 8.0 upgrade skill for Claude Code — removed SQL, parameter groups
Finds every line of SQL, my.cnf and Terraform that Aurora MySQL 8.0 will reject
$12 once
FHIR US Core skill for Claude Code — USCDI v3 profile pins and Patient gaps
9 US Core findings in one FHIR Bundle, with file:line and the version needed
$12 once
DMARCbis + SPF record skill for Claude Code — RFC 9989 tags, SPF permerror
Flags SPF, DMARC and DKIM records in zone files that break RFC 7208 or RFC 9989
$12 once
Helm chart lint skill for Claude Code — Chart.yaml errors and kubeVersion EOL
Chart.yaml lines Helm rejects or rewrites, each with file:line and the fix
$12 once
WordPress plugin review skill for Claude Code — readme.txt and plugin header
6 errors in one plugin readme, each with the line and the fix
$12 once
Guion Short Sin Rostro
Guion de 15-30 s con tiempos, planos y texto en pantalla, sin salir en cámara
$19 once
Short Repurpose Plan Skill
One long episode in, a week out: 10 timestamped shorts, 5 posts, 1 newsletter
$19 once
Roteiro Short Sem Rosto
Roteiro de 15-30 s com tempos, lista de cenas e texto na tela, sem aparecer
$19 once
YouTube Title Thumbnail Skill
10 title + thumbnail-text pairs, each kept by your first 30 seconds
$19 once
YouTube Long Script Skill
Faceless 8-12 min script: chapters, a loop every 60-90 s, retention plan
$19 once
Rental Deal Memo Skill
A one-page rental deal memo: cash flow, cap rate, DSCR and what to verify
$19 once
Trading Journal Review Skill
Your trade log CSV in, your weekly review out: R, tags, rule breaks
$19 once
30-Day Content Calendar Skill
30 dated posts from one niche, each with an idea, format, hook and CTA
$19 once
Carousel Post Writer Skill
7-10 slide carousel: hook with your number, one idea per slide, one action
$19 once
Energieausweis listing skill for Claude Code — GEG 87 fields and class bands
7 Energieausweis findings in one listing page, each with file:line and the fix
$12 once
Shop Support Replies Skill
Where-is-my-order, return and damage replies written from your own policy
$19 once
Cold Email Sequence Skill
4 B2B cold emails over 15 days: 6 subject lines, one proof each, one reply ask
$19 once
Maven Central publish skill for Claude Code — OSSRH endpoints and GPG/javadoc
16 Maven Central release blockers in one pom.xml, each with file:line
$12 once
Dockerfile EOL skill for Claude Code — end-of-life base images and FROM fixes
End-of-life base images in your Dockerfiles, with file:line, date and new FROM
$12 once
SSDF attestation audit skill for Claude Code — GitHub Actions SBOM, pinning
Finds each GitHub Actions line that contradicts your SSDF attestation
$12 once
pytest deprecation skill for Claude Code — removed APIs and silent skips by line
12 findings in one conftest.py, each with the pytest release and the fix
$12 once
TLS cert validity skill for Claude Code — 200/100/47-day caps, openssl -days
Flags cert scripts, Terraform and cert-manager values that break under SC-081v3
$12 once
Chef to Cinc migration skill for Claude Code — licence gates and Server EOL
Every Chef licence gate in your repo, each with file:line and the Cinc fix
$12 once
OWASP Dependency-Check config skill for Claude Code — NVD key, failBuildOnCVSS
Finds why your OWASP Dependency-Check scan cannot update or never fails
$12 once
MinIO to SeaweedFS skill for Claude Code — compose lines and K8s fixes
Every MinIO line SeaweedFS will not run, with file:line and the replacement
$12 once
Tailwind v4 upgrade skill for Claude Code — removed classes, changed defaults
35 findings in one sample template, each with the v4 class to write instead
$12 once
OTel Collector config skill for Claude Code — removed components, renamed keys
Find Collector config lines a current Collector rejects or silently ignores
$12 once
Oracle JDK license skill for Claude Code — Oracle Java lines, free swaps
Every Oracle JDK line in your builds, with the date its free window closed
$12 once
MCP spec migration skill for Claude Code — removed methods, transports by line
13 findings in one MCP server file, each with what 2026-07-28 changed
$12 once
PyMuPDF to pypdf migration skill for Claude Code — AGPL imports, fitz calls
Finds every PyMuPDF import, call and requirement line, with the pypdf fix
$12 once
Android targetSdk 36 skill for Claude Code — Play deadline, Android 16 breaks
13 findings in one Android app, each with the line and the fix for targetSdk 36
$12 once
Firmware release security skill for Claude Code — secure boot, OTA, debug
Find the sdkconfig and prj.conf lines that must not ship in production firmware
$12 once
Code coverage gate skill for Claude Code — Codecov status, fail_under
Finds why your coverage check stays green when coverage drops
$12 once
ISO 20022 CBPR+ address skill for Claude Code — unstructured and hybrid, by line
13 findings in one pacs.008 file, each with the party and the element to use
$12 once
Angular upgrade skill for Claude Code — removed APIs, support dates
Finds every Angular API that will stop your next ng update
$12 once
composer.json skill for Claude Code — end-of-life PHP and validate errors
10 findings in one composer.json, each with the php.net date and the fix
$12 once
CRAN submission skill for Claude Code — DESCRIPTION and R code policy
Finds what CRAN will reject in your R package before you submit it
$12 once
OpenTofu migration skill for Claude Code — version pins and HCP ties
Every line that stops tofu init or ties you to HCP Terraform
$12 once
Conda licence skill for Claude Code — defaults channel and pkgs/main lines
6 lines in one environment.yml pulling from Anaconda's licensed repo, with fixes
$12 once
Xcode 26 upload skill for Claude Code — runner images, Xcode pins
Shows which Xcode every iOS job in your GitHub Actions really builds with
$12 once
YOLO AGPL license skill for Claude Code — Ultralytics ties by line, RF-DETR fix
10 findings in one sample: every line that ties the project to Ultralytics YOLO
$12 once
Docker Desktop to Podman skill for Claude Code — sockets, hostnames
Lists every line in your repo that stops working when Docker Desktop is gone
$12 once
IEC 62304 SOUP list skill for Claude Code — missing records, unpinned versions
14 findings in one sample SOUP list, each with the IEC 62304 clause
$12 once
Encryption export notice skill for Claude Code — EAR 742.15(b), TSU and ECCN
Checks the export notice in your crypto project's README against EAR 742.15(b)
$12 once
F-Droid inclusion skill for Claude Code — non-free deps, foss flavour
Finds every Gradle line that keeps your Android app out of F-Droid
$12 once
Google CSE & Bing to Brave skill for Claude Code — broken params by line
8 findings in one Google CSE search file, each with the Brave fix
$12 once
GKG & RVG 2025 fee table skill for Claude Code — Mahnbescheid fees, 2021 values
Finds every German court and lawyer fee in your code still on the 2021 table
$12 once
pyproject.toml release skill for Claude Code — PEP 639 license, Python EOL
Every pyproject.toml line PEP 639 or setuptools will reject, before you publish
$12 once
SendGrid to Resend migration skill for Claude Code — webhooks, templates by line
8 SendGrid lines in one mail file that break on Resend
$12 once
Dependency EOL check skill for Claude Code — Angular, Django, Laravel dates
Lists every pinned framework that no longer gets security fixes
$12 once
Manuscript disclosure skill for Claude Code — AI use, funding, data statements
14 disclosure findings in one LaTeX manuscript, each with file:line and the fix
$12 once
France e-invoice skill for Claude Code — PDP-ready XML, SIREN and VAT key
Every missing French e-invoice mention in your XML, with the line to fix
$12 once
Related: Ai sidebar chatgpt claude gemini