code-virtuoso

In the author's own words, from each skill's SKILL.md — showing the first 30 of 43 files.

• llm-evals

  Evaluate and regression-test LLM features and agents with trace error analysis, binary graders, code assertions, validated judges, and CI thresholds. Use when building an eval suite, checking a prompt or model change, or measuring agent quality.

  skills/ai/llm-evals/SKILL.md on GitHub (opens in a new tab)

• llm-observability

  Instrument LLM apps and agents with OpenTelemetry GenAI traces, token and cost attribution, sampling, and PII-safe capture. Use when adding tracing, debugging agent runs, or cutting LLM cost and latency.

  skills/ai/llm-observability/SKILL.md on GitHub (opens in a new tab)

• accessibility

  Web accessibility patterns and WCAG 2.1/2.2 compliance. Use to build accessible components, audit a UI for a11y issues, fix screen reader or keyboard problems, check contrast, or add ARIA.

  skills/knowledge/accessibility/SKILL.md on GitHub (opens in a new tab)

• context-engineering

  How to budget and structure what a coding agent sees. Use when asked to trim, split or write AGENTS.md, CLAUDE.md, rules files or skill descriptions (for example 'CLAUDE.md is too long'), when an agent ignores instructions, forgets rules or drifts in long sessions, and when planning compaction or progress notes.

  skills/knowledge/context-engineering/SKILL.md on GitHub (opens in a new tab)

• debugging

  Systematic debugging by root cause analysis. Use when facing a bug, test failure, flaky behavior, production error, or integration failure. Covers reproduce, hypothesize, fix, prevent, and post-mortems.

  skills/knowledge/debugging/SKILL.md on GitHub (opens in a new tab)

• docs-lookup

  Looks up current, version-correct docs before answering a library question from memory. Use when asked for an exact method signature, argument order, config key, CLI flag, or the call for 'our version' or a named version (for example 'in 7.2'). Check the docs or lockfile first even when sure, because APIs change between versions.

  skills/knowledge/docs-lookup/SKILL.md on GitHub (opens in a new tab)

• performance

  Profiling-driven performance optimization: caching, query tuning, N+1 fixes, memory, and load testing. Use to diagnose a bottleneck or set performance budgets.

  skills/knowledge/performance/SKILL.md on GitHub (opens in a new tab)

• security

  Application security principles and OWASP Top 10. Use to review code for vulnerabilities, implement authentication or authorization, handle secrets, configure security headers, prevent injection (SQL, XSS, CSRF), or prepare for an audit.

  skills/knowledge/security/SKILL.md on GitHub (opens in a new tab)

• verification-before-completion

  Gate before saying work is done. Use whenever the user says 'mark it done', 'should work now', 'it's fixed' or 'ready', or asks for a PR summary or handoff note, and before any claim that code, config, docs, a migration or a bugfix is complete. Run the check, read the output, then report with evidence, even if not asked.

  skills/knowledge/verification-before-completion/SKILL.md on GitHub (opens in a new tab)

• finishing-branch

  Finishes a development branch by verifying tests and lint, reviewing the diff, choosing merge, squash, rebase, or stacked PR, writing the PR message, opening the PR, and cleaning up. Use when the user says 'ready to merge', 'finish this branch', or 'open a PR'.

  skills/playbooks/finishing-branch/SKILL.md on GitHub (opens in a new tab)

• game-feature-loop

  Add a mechanic, implement a game feature, build a level, make the jump feel better, or prototype a game, one verified step at a time on any engine (Godot, Unity, Unreal, web, others). Detect the engine, plan one mechanic, build, run, prove it from live state, commit, then a separate game-feel pass.

  skills/playbooks/game-feature-loop/SKILL.md on GitHub (opens in a new tab)

• handoff

  Writes a short handoff note when a session ends mid-task so the next session or person can continue without re-discovery, and resumes from one. Use when asked to hand off, save progress, or continue from a handoff note.

  skills/playbooks/handoff/SKILL.md on GitHub (opens in a new tab)

• hooks-and-guardrails

  Adds guardrails to an AI coding agent setup, including deny rules for secrets, sandbox and permission choices, and hooks that block .env reads and gate 'done' on passing tests. Use when hardening an agent, adding hooks, or stopping secret reads.

  skills/playbooks/hooks-and-guardrails/SKILL.md on GitHub (opens in a new tab)

• pr-feedback

  Works through review comments and failing CI on an open pull request, triaging each comment, fixing with tests, replying on every thread, and looping until CI is green. Use when asked to address review comments, fix CI, or handle PR feedback.

  skills/playbooks/pr-feedback/SKILL.md on GitHub (opens in a new tab)

• security-research

  Bug bounty and vulnerability research workflow. Use to find and report a vulnerability, set up a bug bounty workflow, do coordinated disclosure, get a CVE, audit an open-source project you run locally, or hunt variants of a fixed bug. Authorized targets only: an in-scope bounty asset, code you run in your own lab, or your own system.

  skills/playbooks/security-research/SKILL.md on GitHub (opens in a new tab)

• spec-driven-development

  Turns an approved idea or ticket into spec, plan, and task files saved in the repo, then executes them one task at a time with a progress log. Use to write a spec, plan a feature, break work into tasks, or resume multi-session work.

  skills/playbooks/spec-driven-development/SKILL.md on GitHub (opens in a new tab)

• tdd

  Red-green-refactor procedure: write the failing test first, show it fail, write the minimum code, refactor on green. Use for any bug fix or new behavior in code that has or could have tests, including 'fix this bug', 'add a function', 'use TDD' and 'write the test first'.

  skills/playbooks/tdd/SKILL.md on GitHub (opens in a new tab)

• agent-creator

  Interactive tool to design a sub-agent definition (specialist, role, or team-lead) with the right frontmatter, tools, isolation, memory, and system prompt. Use when asked to create a sub-agent, write an agent file, or scaffold a role agent.

  skills/tools/agent-creator/SKILL.md on GitHub (opens in a new tab)

• agentic-rules-writer

  Writes or trims agent instruction files (AGENTS.md, CLAUDE.md, Cursor, Copilot, Codex and more). Use to set up agent rules, or when asked to trim my CLAUDE.md, shorten a rules file that is too long, or clean up AGENTS.md. Keeps only what the model cannot guess. Hard limits become hooks.

  skills/tools/agentic-rules-writer/SKILL.md on GitHub (opens in a new tab)

• audit-dependencies

  Runs the dependency-auditor agent on a project and returns vulnerabilities, outdated packages, and license findings as JSON. Use for CI, scheduled, or headless runs, for example `claude -p "/agents-virtuoso:audit-dependencies"`.

  skills/tools/audit-dependencies/SKILL.md on GitHub (opens in a new tab)

• brainstorming

  Interactive design exploration before implementation. Use when the user has a vague idea or feature request and no written spec. Asks one focused question at a time, writes a spec, and blocks implementation until approved. Triggers include 'I want to build', 'let's brainstorm', 'help me spec out'.

  skills/tools/brainstorming/SKILL.md on GitHub (opens in a new tab)

• communication-style

  Writes messages in the user's own voice, not a generic AI tone. Apply before writing ANY message meant to sound like the user: a GitHub PR or review comment, an issue or thread reply, a Slack or chat DM, an email, or a ticket comment. Loads the user's saved default voice, and when a recipient is named, layers that person's profile on top without losing the user's voice. Has a setup mode to build…

  skills/tools/communication-style/SKILL.md on GitHub (opens in a new tab)

• find-test-gaps

  Runs the test-gap-analyzer agent on the files changed in a branch, or on a directory, and returns missing test cases as JSON. Use for CI or headless runs, for example `claude -p "/agents-virtuoso:find-test-gaps origin/main"`.

  skills/tools/find-test-gaps/SKILL.md on GitHub (opens in a new tab)

• plan-migration

  Runs the migration-planner agent on pending database migrations and returns a risk-rated execution plan with rollback paths as JSON. Use for CI or headless runs, for example `claude -p "/agents-virtuoso:plan-migration origin/main"`.

  skills/tools/plan-migration/SKILL.md on GitHub (opens in a new tab)

• plugin-creator

  Interactive tool to scaffold a Claude Code plugin with plugin.json, skills, agents, workflows, hooks, MCP servers, and an optional marketplace entry. Use when asked to create a plugin, convert .claude/ configuration into a plugin, or package skills and agents for distribution.

  skills/tools/plugin-creator/SKILL.md on GitHub (opens in a new tab)

• pr-message-writer

  Writes pull request messages with a technical summary, testing instructions, and verification queries, using customizable templates. Use when writing a PR description, preparing a pull request for review, or documenting changes for teammates.

  skills/tools/pr-message-writer/SKILL.md on GitHub (opens in a new tab)

• report-writer

  Generates a standalone HTML report summarizing changes, findings, debug investigations, or architectural decisions, and opens it in the browser. Use after completing work on a ticket, investigation, or debug session.

  skills/tools/report-writer/SKILL.md on GitHub (opens in a new tab)

• research

  Researches a question across local files, official docs and the web, then reports sourced findings with confidence. Use whenever the user asks to research, compare or choose between tools, find best practice or an industry standard, check what changed recently, or asks what people use, even if they do not say 'research'.

  skills/tools/research/SKILL.md on GitHub (opens in a new tab)

• review-pr-cold

  Runs the cold-reviewer agent on a diff with no project context and returns the findings as JSON. Use next to review-pr in CI for a second, independent opinion, for example `claude -p "/agents-virtuoso:review-pr-cold origin/main"`.

  skills/tools/review-pr-cold/SKILL.md on GitHub (opens in a new tab)

• review-pr

  Runs the reviewer agent on a pull request or branch diff in an isolated subagent and returns the review as JSON. Use for CI or headless runs, for example `claude -p "/agents-virtuoso:review-pr origin/main"`.

  skills/tools/review-pr/SKILL.md on GitHub (opens in a new tab)

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