Browse Skills

ln-361-security-auditor.md

13

1 export ln-361-security-auditor

2 from "levnikolaevich/claude-code-skills"

3 Security audit worker (L3). Scans codebase for hardcoded secrets, SQL injection, XSS, insecure dependencies, missing input validation. Returns findings with severity (Critical/High/Medium/Low), location, effort, and recommendations.

2026-01-21

filter-js-from-html.md

13

1 export filter-js-from-html

2 from "letta-ai/skills"

3 Guidance for removing JavaScript from HTML while preserving structure and formatting. This skill applies when filtering XSS vectors, sanitizing HTML content, removing script tags and event handlers, or building HTML sanitization tools. It covers comprehensive XSS vector identification, format-preserving transformations, and verification strategies.

2026-01-21

tdd-bug-fix.md

13

1 export tdd-bug-fix

2 from "kurko/dotfiles"

3 Enforce TDD when fixing bugs - write a failing test first, then make it pass. Use when about to fix a bug, correct broken behavior, or resolve an issue in production code. Activates for phrases like "let me fix", "I'll fix this", "same issue as", "the problem is", or when editing code after identifying a bug.

2026-01-22

feal-linear-cryptanalysis.md

13

1 export feal-linear-cryptanalysis

2 from "letta-ai/skills"

3 This skill provides guidance for FEAL cipher linear cryptanalysis tasks. It should be used when recovering encryption keys from FEAL-encrypted data using known plaintext-ciphertext pairs, implementing linear approximation attacks on block ciphers, or solving cryptanalysis challenges involving the FEAL cipher family. The skill emphasizes mathematical analysis over brute-force approaches.

2026-01-21

writing-skills.md

13

1 export writing-skills

2 from "withzombies/hyperpowers"

3 Use when creating new skills, editing existing skills, or verifying skills work - applies TDD to documentation by testing with subagents before writing

2026-01-21

avo-coder.md

13

1 export avo-coder

2 from "majesticlabs-dev/majestic-marketplace"

3 Use when building Avo admin interfaces. Creates resources, actions, filters, and dashboards following Avo conventions. Fetches latest docs dynamically.

2026-01-22

fixing-bugs.md

13

1 export fixing-bugs

2 from "withzombies/hyperpowers"

3 Use when encountering a bug - complete workflow from discovery through debugging, bd issue, test-driven fix, verification, and closure

2026-01-21

react-testing.md

13

1 export react-testing

2 from "majesticlabs-dev/majestic-marketplace"

3 Comprehensive testing strategies with Vitest, React Testing Library, and Jest. Use when writing tests for React components, hooks, and integration testing.

2026-01-22

break-filter-js-from-html.md

13

1 export break-filter-js-from-html

2 from "letta-ai/skills"

3 This skill provides guidance for XSS filter bypass tasks where the goal is to craft HTML payloads that execute JavaScript despite sanitization filters. Use this skill when tasks involve bypassing HTML sanitizers (like BeautifulSoup), exploiting parser differentials between server-side sanitizers and browsers, or security testing/CTF challenges involving XSS filter evasion.

2026-01-21

ln-342-regression-checker.md

13

1 export ln-342-regression-checker

2 from "levnikolaevich/claude-code-skills"

3 Worker that runs existing tests to catch regressions. Auto-detects framework, reports pass/fail. No status changes or task creation.

2026-01-21

event-sourcing-coder.md

13

1 export event-sourcing-coder

2 from "majesticlabs-dev/majestic-marketplace"

3 Record domain events and dispatch to inbox handlers for side effects, audit trails, and activity feeds. Use when building activity logs, syncing external services, or decoupling event creation from processing. Triggers on event recording, audit trails, activity feeds, or inbox patterns.

2026-01-22

rspec-coder.md

13

1 export rspec-coder

2 from "majesticlabs-dev/majestic-marketplace"

3 This skill guides writing comprehensive RSpec tests for Ruby and Rails applications. Use when creating spec files, writing test cases, or testing new features. Covers RSpec syntax, describe/context organization, subject/let patterns, fixtures, mocking with allow/expect, and shoulda matchers.

2026-01-22

fix-code-vulnerability.md

13

1 export fix-code-vulnerability

2 from "letta-ai/skills"

3 Guidance for identifying and fixing security vulnerabilities in code. This skill should be used when asked to fix security issues, address CVEs or CWEs, remediate vulnerabilities like injection attacks (SQL, command, CRLF, XSS), or when working with failing security-related tests.

2026-01-21

data-seeding.md

13

1 export data-seeding

2 from "sgcarstrends/sgcarstrends"

3 Create or update database seed scripts for development and testing environments. Use when setting up test data or initializing development databases.

2026-01-21

minitest-coder.md

13

1 export minitest-coder

2 from "majesticlabs-dev/majestic-marketplace"

3 This skill guides writing comprehensive Minitest tests for Ruby and Rails applications. Use when creating test files, writing test cases, or testing new features. Covers both traditional and spec styles, fixtures, mocking, and Rails integration testing patterns.

2026-01-22

ln-343-manual-tester.md

13

1 export ln-343-manual-tester

2 from "levnikolaevich/claude-code-skills"

3 Performs manual testing of Story AC via executable bash scripts saved to tests/manual/. Creates reusable test suites per Story. Worker only.

2026-01-21

acceptance-test.md

13

1 export acceptance-test

2 from "yurenju/eyerolling-skills"

3 Execute acceptance testing based on Gherkin scenarios.Use when: validating implementations, running acceptance tests, verifying features against acceptance criteria.Keywords: acceptance testing, Gherkin, validation, verify implementation, test execution, 驗收測試, 驗收, 驗證實作.

2026-01-05

ln-362-build-auditor.md

13

1 export ln-362-build-auditor

2 from "levnikolaevich/claude-code-skills"

3 Build health audit worker (L3). Checks compiler/linter errors, deprecation warnings, type errors, failed tests, build configuration issues. Returns findings with severity (Critical/High/Medium/Low), location, effort, and recommendations.

2026-01-21

polyglot-c-py.md

13

1 export polyglot-c-py

2 from "letta-ai/skills"

3 Guidance for creating polyglot files that are valid in both Python and C. This skill applies when tasked with writing code that must be parseable and executable by both the Python interpreter and C compiler. Covers polyglot syntax techniques, testing strategies, and critical cleanup requirements.

2026-01-21

fastapi-coder.md

13

1 export fastapi-coder

2 from "majesticlabs-dev/majestic-marketplace"

3 Build FastAPI applications with async patterns, Pydantic validation, dependency injection, and modern Python API practices.

2026-01-22

web-browser.md

13

1 export web-browser

2 from "majesticlabs-dev/majestic-marketplace"

3 Browser automation using browser-cdp CLI. Control Chrome, Brave, or Edge browsers for testing, scraping, and web interaction. Uses your real browser (not test mode) for authentic sessions.

2026-01-22

debugging-with-tools.md

13

1 export debugging-with-tools

2 from "withzombies/hyperpowers"

3 Use when encountering bugs or test failures - systematic debugging using debuggers, internet research, and agents to find root cause before fixing

2026-01-21

analyzing-test-effectiveness.md

13

1 export analyzing-test-effectiveness

2 from "withzombies/hyperpowers"

3 Use to audit test quality with Google Fellow SRE scrutiny - identifies tautological tests, coverage gaming, weak assertions, missing corner cases. Creates bd epic with tasks for improvements, then runs SRE task refinement on each.

2026-01-21

pytest-coder.md

13

1 export pytest-coder

2 from "majesticlabs-dev/majestic-marketplace"

3 Write comprehensive pytest tests with fixtures, parametrization, mocking, async testing, and modern patterns.

2026-01-22