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Copilot Plugin Marketplace — agent skills for Git workflows, productivity, and developer tools
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Then install any plugin below by name — each page has its exact command.
Pareto search over Artificial Analysis model benchmarks (quality / speed / price), restricted to Copilot CLI-available models, to choose the best default model for a task. Use when picking or refreshing model defaults per role (heavy reasoner vs fast/mechanical, reduce vs map, proposer vs rater), refreshing the tri-review model table, or answering 'which model should I use / what's the quality-speed tradeoff'.
15 skills
Guide users through creating and updating custom Agent files (.agent.md) for Copilot CLI. Distinct from skill-writer which handles SKILL.md files.
15 skills
Review an artifact through fresh, deliberately constrained context as an uninvolved third party. Use when the user asks for a 'blind reviewer', 'blank reviewer', 'oblivious reviewer', 'fresh-eyes review', 'third-party review', 'review without context', or 'triple blind review'.
15 skills
Copy explicitly requested content to the clipboard as markdown or block-quoted markdown. Use when the user asks to copy a URL, line, snippet, commands, or other content to the clipboard, including 'copy to clipboard', 'copy as markdown', or 'copy as quoted markdown'.
15 skills
Create a new git branch and worktree from context. Use when starting work on a task — given a freetext description, auto-selects branch prefix (feature/bugfix/experiment) based on context, creates branch, and sets up worktree. Triggers on 'create worktree', 'new branch for', 'start work on'.
15 skills
Guide writing design documents through a staged workflow with quality gates. Agent orchestrates 4 stages (problem validation, design skeleton, decision resolution, editorial hardening). Companion skill provides reference formats and checklists. Use /agent design-doc-writer to start.
15 skills
Clean up stale git branches by identifying and removing local branches tracking deleted remotes, branches with completed/abandoned PRs, and stale branches. Includes worktree management. Use when the user says 'clean up branches', 'branch cleanup', 'prune branches', 'delete old branches', or 'remove stale branches'.
15 skills
Perform the Goral HaGra — randomly select a verse from the Torah or full Tanakh for guidance on a decision. Two modes: regular Goral HaGra (Torah only, 5 Books of Moses) and extended Goral HaGra (all of Tanakh). Uses Sefaria API for Hebrew text, English translation, and rabbinic commentary. Triggers on 'goral hagra', 'ask the gra', 'ask the Vilna Gaon', 'divine lot', 'random verse guidance'.
15 skills
Use litellm with the GitHub Copilot provider for LLM calls, structured output, tool calling, and model selection. Covers model discovery, Copilot multipliers, and benchmarks.
15 skills
Write and revise Markdown documentation that is not a formal design doc: how-to guides, pattern guides, READMEs, reference docs, team docs, and source-backed explanatory docs. Use when the user asks to write, edit, restructure, tighten, or review a Markdown document, especially with tables, lists, examples, code samples, headings, and tone/flow feedback. Do not use for formal design docs, RFCs, tech specs, or architecture proposals; use design-doc-writer for those.
15 skills
Generate Euler-style SVG/HTML pipeline diagrams showing the intersection of data flow stages and code structure. Produces complex (fork-topology), simplified (horizontal-bands), and delta comparison versions with dark/light toggle. Use when the user says 'pipeline diagram', 'euler diagram', 'flow diagram', 'code structure diagram', 'visualize the pipeline', or asks to map code files to pipeline stages.
15 skills
Ensures every code change goes through the full quality gate before merge. Use when the user says 'approve and merge', 'PR process', 'quality gate', 'create PR', or 'submit PR'.
15 skills
Audit installed skills for activation and execution effectiveness using recent session history. Detect missed, late, false-positive, or unused invocations, workflow-contract violations, user-corrected gaps, and churn/retry tax. Use for 'audit skills', 'evaluate skills', 'skill health check', or 'are my skills working'.
15 skills
Search for and install Agent Skills from the claude-plugins.dev registry. Before starting work, ask 'might a skill exist that handles this better than my base knowledge?' Search proactively for specialized capabilities. Also use when users explicitly ask to find, install, or manage skills.
15 skills
Guide users through creating Agent Skills for Claude Code. Use when the user wants to create, write, author, or design a new Skill, or needs help with SKILL.md files, frontmatter, or skill structure.
15 skills
Merge from a branch while preserving feature intent, with adaptive validation scaled to merge complexity. Assesses scope after merge to skip unnecessary steps (with user confirmation). Use /agent smart-merge with the source branch.
15 skills
General SVG/HTML diagram best practices for dark/light themed visualizations. Provides HTML template with CSS custom property theming, layout guidelines, and Playwright verification workflow.
15 skills
Run an escalated, parallel three-model code review using three model families, then adjudicate consensus findings. Use only when the user explicitly asks for a tri-review, triple/three-model/multi-model review, or an already-invoked workflow explicitly requires tri-review.
15 skills
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