Claude Code Skills·Claude Skills·The open SKILL.md registry for Claude
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0xDarkMatter

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88 Claude Code skills authored by 0xDarkMatter.

updated 2026-07-06 · showing 1–60 of 88 by quality score

Average Pro QualityScore: 76.8/100

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Detects stale project plans and suggests session commands. Triggers on: sync plan, update plan, check status, plan is stale, track progress, project planning.
Pre-push safety gate for any git push to a remote (GitHub, GitLab, Bitbucket, self-hosted). Runs gitleaks + regex-layer secret scan, forbidden-file check, divergence check, size…
Google Drive file operations with gwark: list, search, move, copy, share, activity. Use when: browsing files, searching Drive, managing permissions, moving or copying files,…
Log analysis and JSONL processing - structured extraction, cross-log correlation, timeline reconstruction, pattern search
Audit a completed parcel against its spec. Reads the parcel prompt, reads PARCEL_DONE.md (via parcel-reader), runs the git diff triad, reads changed src files, executes the dev…
Gmail operations with gwark: search, sender analysis, sent tracking, AI summaries. Use when: searching emails, analyzing senders, reviewing sent mail, summarizing threads.
Google Docs operations with gwark: create from markdown, section editing, themes, AI review. Use when: creating documents, editing doc content, applying themes, managing comments,…
Recommend the right agents and skills for any task. Covers both heavyweight agents (Task tool) and lightweight skills (Skill tool).
JavaScript and Node.js patterns, async programming, modules, runtime internals, and modern ES2024+ features.
API design patterns for REST, gRPC, and GraphQL. Use for: api design, REST, gRPC, GraphQL, protobuf, schema design, api versioning, pagination, rate limiting, error format,…
Flarecrawl AI-powered data extraction workflows. Triggers: extract data, structured extraction, AI scraping, schema extraction, Workers AI
Search code by AST structure using ast-grep. Find semantic patterns like function calls, imports, class definitions instead of text patterns.
Patterns for SQLite databases in Python projects - state management, caching, and async operations. Triggers on: sqlite, sqlite3, aiosqlite, local database, database schema,…
Google Analytics 4 CLI for property management, health checks, and user access. Triggers: ga4, google analytics, property access, analytics users, grant access.
Fast Python environment management with uv (10-100x faster than pip). Triggers on: uv, venv, pip, pyproject, python environment, install package, dependencies.
Generate tests with skill-preloaded routing, framework detection, and auto-TaskCreate. Triggers on: generate tests, write tests, testgen, create test file, add test coverage.
Google Forms operations with gwark: create surveys, add questions, export responses. Use when: creating forms, adding questions, analyzing responses, building quizzes.
Process JSON with jq and YAML/TOML with yq. Filter, transform, query structured data efficiently. Triggers on: parse JSON, extract from YAML, query config, Docker Compose, K8s…
Google Workspace CLI setup, authentication, configuration, and module routing. Use for: initial setup, OAuth, config, profiles, calendar, or when unsure which gwark module to use.
Read and view files without permission prompts. Use bat for syntax-highlighted code viewing, eza for directory listings with git status, cat/head/tail for plain text.
Generate self-contained headless-agent prompt files from a spec doc for DSP parallel build. Reads a PARCELS.md-style breakdown and writes one prompt per parcel that a fresh claude…
Generative art programming - three.js scenes, p5.js sketches, SVG generation, GLSL shaders, procedural algorithms, and color for creative coding.
Observability patterns for Python applications. Triggers on: logging, metrics, tracing, opentelemetry, prometheus, observability, monitoring, structlog, correlation id.
Onboard a new client: scan all GA4 properties, generate reports, identify issues. Triggers: new client, onboard, client setup, account audit, first review.
Building applications ON Claude - the Anthropic API and Claude Agent SDK. Use for: anthropic api, claude api, messages api, tool use, function calling, prompt caching, agent sdk,…
React development patterns, hooks, state management, Server Components, and performance optimization.
Authentication and authorization patterns - JWT, OAuth2, sessions, RBAC, ABAC, passkeys, and MFA. Use for: authentication, authorization, jwt, oauth, oauth2, session, login, rbac,…
Python asyncio patterns for concurrent programming. Triggers on: asyncio, async, await, coroutine, gather, semaphore, TaskGroup, event loop, aiohttp, concurrent.
Google Sheets operations with gwark via gspread: read, write, pivot tables, export. Use when: reading spreadsheet data, writing CSV/JSON, creating pivot tables, exporting sheets,…
Quick reference for common SQL patterns, CTEs, window functions, and indexing strategies. Triggers on: sql patterns, cte example, window functions, sql join, index strate — from…
GA4 property health diagnostics, scoring, and site spider. Triggers: health check, site audit, tag coverage, ga4 score, diagnostics, spider.
Decompose a spec document (architecture, roadmap, wave plan) into a ranked list of candidate parcels ready for parcel-generate.
Autonomous orchestrator processing manifest work items through the development lifecycle with budget tracking.
pytest testing patterns for Python. Triggers on: pytest, fixture, mark, parametrize, mock, conftest, test coverage, unit test, integration test, pytest.raises.
Observability patterns - metrics, logging, tracing, alerting, and infrastructure monitoring. Use for: monitoring, observability, prometheus, grafana, metrics, alerting, structured…
Model Context Protocol server development, tool design, resource handling, and transport configuration.
Rust development patterns, ownership, async, error handling, and ecosystem. Use for: rust, cargo, ownership, borrow checker, lifetime, tokio, serde, trait, Result, Option, async…
Terraform and OpenTofu infrastructure-as-code operations - project layout, state management, module design, plan/apply safety, CI/CD pipelines, and secrets.
Tailwind CSS utility patterns, responsive design, component patterns, v4 migration, and configuration.
Framework and language migration patterns - version upgrades, breaking changes, dependency audit, safe rollback.
Given the parcels belonging to a wave, compute merge order and gate status by combining parcel-roster inventory, parcel-reader claims, and parcel-audit verdicts against the wave's…
Systematic debugging methodology, language-specific debuggers, and common scenario playbooks. Use for: debug, debugging, bug, crash, hang, memory leak, race condition, deadlock,…
Security audit orchestrator - parallel dependency scanning, SAST pattern detection, auth/config review.
Comprehensive macOS workstation operations — diagnose kernel panics, identify failing drives, audit launchd startup items, decode wake reasons, triage TCC permission denials,…
Patterns for building production-quality CLI tools with predictable behavior, parseable output, and agentic workflows.
Atom of Thoughts (AoT) reasoning - decompose complex problems into atomic units with confidence tracking and backtracking. For genuinely complex reasoning, not everyday questions.
Quick reference for RESTful API design patterns, HTTP semantics, caching, and rate limiting. Triggers on: rest api, http methods, status codes, api design, endpoint desig — from…
Set tool permissions for Claude Code. Configures allowed commands, rules, and preferences in .claude/ directory.
Use flarecrawl CLI for web scraping via Cloudflare Browser Rendering. Triggers: flarecrawl, scrape, crawl, browser rendering, cloudflare scrape, web content
Portless local-dev HTTPS proxy operations and integration. Use for: portless setup, named .localhost or custom-TLD URLs (axiom.lab, myapp.test), portless alias for…
Behavioural-first software supply chain defense - catches poisoned npm/PyPI packages in the publish-to-advisory window that CVE tools miss.
Django Unfold admin theme - build, configure, and enhance modern Django admin interfaces with Unfold.
Comprehensive Windows workstation operations - diagnose slow boot, identify failing drives, decode BSOD crashes, manage startup apps, audit event logs.
Cross-platform network troubleshooting (Windows, macOS, Linux) via local or remote shell. Use for: DNS broken, can't resolve hostnames, nslookup/dig works but apps fail, NRPT,…
PostgreSQL operations, optimization, and administration. Use for: schema design, index selection, query tuning with EXPLAIN ANALYZE, postgresql.conf configuration, backup and…
Safe refactoring patterns - extract, rename, restructure with test-driven methodology and dead code detection.
Color for developers - color spaces, accessibility contrast, palette generation, CSS color functions, design tokens, dark mode, and CVD simulation.
TypeScript type system, generics, utility types, strict mode, and ecosystem patterns. Use for: typescript, ts, type, generic, utility type, Partial, Pick, Omit, Record, Exclude,…
Parse a parcel's PARCEL_DONE.md into structured sections (summary, what-built, contracts-honoured, deviations, open-questions, verification-results, affected-trees) without…
Read and inspect LevelDB stores - especially Chromium/Electron app state (Local Storage, IndexedDB, Session Storage).
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