johnqtcg

johnqtcg/awesome-skills

Instructions file

Instructions for johnqtcg/awesome-skills, covering claude.md, what this repo is, skill structure convention, running regression tests and or with coverage.

johnqtcg/awesome-skills

Agent

Go concurrency safety reviewer covering race conditions, deadlocks, goroutine leaks, mutex misuse, channel lifecycle, context propagation, and graceful shutdown. Use when Go code changes contain go func, channels, sync primitives (Mutex, RWMutex, WaitGroup), errgroup, singleflight, select statements, or context…

johnqtcg/awesome-skills

Agent

Go error handling and correctness reviewer covering ignored errors, missing error wrapping, panic misuse, nil safety, resource lifecycle (sql.Rows, resp.Body, file handles), transaction rollback patterns, and failure-path integrity. Use when Go code changes contain error returns, panic calls, sql.Rows, tx.Begin, HTTP…

johnqtcg/awesome-skills

Agent

Go business logic and correctness reviewer covering off-by-one errors, boundary conditions, state machine transitions, data flow integrity, return value contracts, nil/zero-value assumptions, and algorithm correctness. Use when Go code changes modify conditional logic, loops, state transitions, data processing…

johnqtcg/awesome-skills

Agent

Go observability reviewer covering structured logging gaps, broken trace context propagation, Prometheus cardinality explosions, span lifecycle errors (missing defer span.End(), unrecorded errors), and sensitive fields in logs. Use when Go code changes import go.uber.org/zap, log/slog, go.opentelemetry.io…

johnqtcg/awesome-skills

Agent

Go performance reviewer covering slice/map pre-allocation, string concatenation in loops, N+1 database queries, connection pool tuning, sync.Pool usage, memory alignment, lock scope optimization, buffered I/O, and HTTP transport configuration. Use when Go code changes contain make(), append(), loops with DB/Redis…

johnqtcg/awesome-skills

Agent

Go code quality and style reviewer covering function length, nesting depth, naming conventions, mutable globals, interface design, receiver consistency, modern Go idioms (slog, generics, typed atomics), and golangci-lint integration. Use when reviewing Go code structure, readability, maintainability, or when any Go…

johnqtcg/awesome-skills

Agent

Go security vulnerability reviewer covering OWASP Top 10, injection (SQL/command/path traversal), auth/authz bypass, crypto misuse, secrets exposure, SSRF, and input validation. Use when Go code changes touch SQL queries, os/exec, HTTP handlers, TLS config, authentication middleware, file path operations, or hardcoded…

johnqtcg/awesome-skills

Agent

Go test quality reviewer covering table-driven test patterns, t.Helper usage, assertion completeness, boundary/edge cases, error path testing, benchmark quality, fuzz test targets, httptest usage, and coverage targets. Use when Go code changes include test.go files, test helpers, testdata directories, testing.B…

johnqtcg/awesome-skills

Agent

Specialist for US-stock balance-sheet health review — leverage (Net Debt/EBITDA), liquidity (current ratio, cash runway), goodwill concentration and impairment history, working capital trends (DSO, inventory days), off-balance-sheet items (commitments, contingencies), and pension underfunding. Use when assessing…

johnqtcg/awesome-skills

Agent

Specialist for US-stock business-model and revenue-structure review — product/service mix, customer concentration, geographic exposure, industry position, revenue-growth decomposition, and information-tier discipline. Use when analyzing the business-understanding layer of an equity workup. Dispatched by…

johnqtcg/awesome-skills

Agent

Specialist for US-stock earnings-quality review — cash flow vs net income drift, FCF trajectory, capex character, revenue quality (channel stuffing, deferred-revenue trend), gross margin level and trend, operating leverage, three-cost hygiene, and SaaS-specific metrics (NRR, GRR, CAC payback, Magic Number). Use when…

johnqtcg/awesome-skills

Agent

Specialist for US-stock industry-position and competitive-moat review — Porter Five Forces scan, market-share trend (absolute and relative), TAM size and trajectory, unit economics, moat classification (7 named types), substitute and new-entrant threats, pricing-power evidence (cross-cycle margin stability)…

johnqtcg/awesome-skills

Agent

Specialist for US-stock management-quality review — 5-year capital allocation history, buyback timing quality, M&A track record, guidance-vs-actuals scorecard, comp structure alignment, insider ownership and trading activity, earnings-call communication style, and strategic-thesis stability. Use when analyzing the…

johnqtcg/awesome-skills

Agent

Specialist for US-stock independent peer benchmarking — 12-item ratio panel (growth, profitability, capital intensity, leverage, valuation) computed identically for target and 2-4 peers, surfacing rank-by-item plus best-in-panel and worst-in-panel summary. Provides quantitative cross-validation for the moat and…

johnqtcg/awesome-skills

Skill Claude CodeCodex

REST API contract designer and reviewer. ALWAYS use when designing new endpoints, reviewing existing API contracts, planning API versioning, or standardizing error models. Covers resource modeling (URL/naming), HTTP method semantics, status code selection, error model consistency, pagination/filtering/sorting…

johnqtcg/awesome-skills

Skill Claude CodeCodex

Create, maintain, and run gated Go integration tests for internal APIs and service-to-service clients (HTTP/gRPC). Use for endpoint verification, contract checks with real runtime config, opt-in execution, timeout/retry safety, and integration failure triage in Go services.

johnqtcg/awesome-skills

Skill Claude CodeCodex

Compress chaotic information into a leader-ready structure before output. ALWAYS use when the user is preparing to brief a senior leader, present a technical proposal, write a one-pager, or otherwise turn scattered facts and feelings into Frame → Crux → Nodes → Tilt + Reasoning that fits in 3–5 minutes of reading.…

johnqtcg/awesome-skills

Skill Claude CodeCodex

Create evidence-backed pull requests to the GitHub main branch with strict preflight, quality, and security gates. Use when users ask to create/submit/open/update a PR to main (including private repos), decide draft vs ready state, and provide reviewer-ready context for team review.

johnqtcg/awesome-skills

Skill Claude CodeCodex

Perform auditable research with executable mode budgets, mandatory source-content verification, typed web and repository evidence, confidence assessment, honest degradation, and one fixed nine-section report. Use for web research, claim verification, technical comparisons, trend analysis, pure codebase research, and…

johnqtcg/awesome-skills

Skill Claude CodeCodex

Design, maintain, and execute reliable end-to-end tests for critical user journeys with Agent Browser as first choice for exploration and Playwright as the preferred code path for suites and CI. Use for E2E strategy, journey coverage, flaky test triage, artifact collection, CI gating, regression prevention, and…

johnqtcg/awesome-skills

Skill Claude CodeCodex

Generate Go fuzz tests (Go 1.18+ testing.F) for specified code when users ask for fuzzing/模糊测试/fuzz test generation, parser robustness, round-trip, or differential fuzzing. Always run an applicability gate first; if the target is not suitable, explain concrete reasons and stop without writing fuzz test code.

johnqtcg/awesome-skills

Skill Claude CodeCodex

Safely create a git commit by validating repository state, staging intended changes, scanning for secrets/conflicts, generating a Conventional Commits message (repository convention first, else an English Angular default) from the staged diff, and committing without amend.

johnqtcg/awesome-skills

Skill Claude CodeCodex

Go performance benchmarking and pprof profiling specialist. ALWAYS use when writing benchmark functions (testing.B), generating or reading pprof profiles, interpreting flame graphs, finding memory allocation hotspots, comparing implementations with benchstat, or measuring ns/op / B/op / allocs/op. In Go code contexts…