# etr > Open-source publisher. Listings imported from github.com/etr — credited to the original author with their license. - **Listings:** 41 - **Total installs:** 0 - **Profile:** https://agentstack.voostack.com/s/etr - **Website:** https://github.com/etr ## Published listings - [Understanding Feature Requests](https://agentstack.voostack.com/l/skill-etr-groundwork-understanding-feature-requests) — Skill · Free · security-reviewed — `agentstack add skill-etr-groundwork-understanding-feature-requests` This skill should be used when clarifying feature requests, gathering requirements, or checking for contradictions in proposed changes - [Wonk](https://agentstack.voostack.com/l/mcp-etr-wonk) — MCP server · Free — `agentstack add mcp-etr-wonk` Structure-aware code search that cuts LLM token burn. Tree-sitter indexing, ranked results, grep-compatible output. - [Swarm Debug](https://agentstack.voostack.com/l/skill-etr-groundwork-swarm-debug) — Skill · Free · security-reviewed — `agentstack add skill-etr-groundwork-swarm-debug` Start swarm debugging with parallel hypothesis investigation. Usage /groundwork:swarm-debug [bug description] - [Handoff](https://agentstack.voostack.com/l/skill-etr-groundwork-handoff) — Skill · Free · security-reviewed — `agentstack add skill-etr-groundwork-handoff` Use when ending a session or passing work to another agent - produces a compact handoff document that transfers context, state, and next objective without copying source material - [Ux Design](https://agentstack.voostack.com/l/skill-etr-groundwork-ux-design) — Skill · Free · security-reviewed — `agentstack add skill-etr-groundwork-ux-design` Create design system with foundations, brand identity, and UX patterns. Usage /groundwork:ux-design - [Using Groundwork](https://agentstack.voostack.com/l/skill-etr-groundwork-using-groundwork) — Skill · Free · security-reviewed — `agentstack add skill-etr-groundwork-using-groundwork` This skill should be used when starting any conversation - establishes how to find and use skills, requiring Skill tool invocation before ANY response including clarifying questions - [Test Driven Development](https://agentstack.voostack.com/l/skill-etr-groundwork-test-driven-development) — Skill · Free · security-reviewed — `agentstack add skill-etr-groundwork-test-driven-development` This skill should be used when implementing any feature or bugfix, before writing implementation code - [Design Architecture](https://agentstack.voostack.com/l/skill-etr-groundwork-design-architecture) — Skill · Free · security-reviewed — `agentstack add skill-etr-groundwork-design-architecture` This skill should be used when the user asks to design system architecture, make architectural decisions, or translate PRD into technical design - [Staged Rollout](https://agentstack.voostack.com/l/skill-etr-groundwork-staged-rollout) — Skill · Free · security-reviewed — `agentstack add skill-etr-groundwork-staged-rollout` Roll out a change in stages behind a feature flag with a monitoring window and a written rollback plan - use before shipping anything user-facing, instead of flipping it on for everyone at once - [Just Do It](https://agentstack.voostack.com/l/skill-etr-groundwork-just-do-it) — Skill · Free · security-reviewed — `agentstack add skill-etr-groundwork-just-do-it` Execute all remaining tasks in sequence until completion. Usage /groundwork:just-do-it - [Split Specs](https://agentstack.voostack.com/l/skill-etr-groundwork-split-specs) — Skill · Free · security-reviewed — `agentstack add skill-etr-groundwork-split-specs` This skill should be used when converting a single-file spec to directory-based format for better organization of large specifications - [Setup Repo](https://agentstack.voostack.com/l/skill-etr-groundwork-setup-repo) — Skill · Free · security-reviewed — `agentstack add skill-etr-groundwork-setup-repo` This skill should be used when configuring a repository for groundwork - detects single-project or monorepo structure and creates .groundwork.yml - [Just Do It Swarming](https://agentstack.voostack.com/l/skill-etr-groundwork-just-do-it-swarming) — Skill · Free · security-reviewed — `agentstack add skill-etr-groundwork-just-do-it-swarming` Execute all remaining tasks using agent teams for context isolation. Each task runs in its own session. Usage /groundwork:just-do-it-swarming [--parallel] - [Task Validation Loop](https://agentstack.voostack.com/l/skill-etr-groundwork-task-validation-loop) — Skill · Free · security-reviewed — `agentstack add skill-etr-groundwork-task-validation-loop` This skill should be used when the task list is complete to run multi-agent verification ensuring tasks cover PRD, follow architecture, and respect design system - [Source Ux Design From Code](https://agentstack.voostack.com/l/skill-etr-groundwork-source-ux-design-from-code) — Skill · Free · security-reviewed — `agentstack add skill-etr-groundwork-source-ux-design-from-code` Synchronize design system document with codebase changes. Usage /groundwork:source-ux-design-from-code - [Implement Task](https://agentstack.voostack.com/l/skill-etr-groundwork-implement-task) — Skill · Free · security-reviewed — `agentstack add skill-etr-groundwork-implement-task` Dispatches a planned task/feature to the task-executor agent for worktree-isolated TDD implementation - [Source Product Specs From Code](https://agentstack.voostack.com/l/skill-etr-groundwork-source-product-specs-from-code) — Skill · Free · security-reviewed — `agentstack add skill-etr-groundwork-source-product-specs-from-code` Synchronize PRD with implemented codebase changes. Usage /groundwork:source-product-specs-from-code - [Design It Twice](https://agentstack.voostack.com/l/skill-etr-groundwork-design-it-twice) — Skill · Free · security-reviewed — `agentstack add skill-etr-groundwork-design-it-twice` Use before committing to a non-trivial module, service boundary, or public API - generate 2-3 divergent interface designs, compare them on depth/locality/seam, and recommend one - [Ship](https://agentstack.voostack.com/l/skill-etr-groundwork-ship) — Skill · Free · security-reviewed — `agentstack add skill-etr-groundwork-ship` Ship a validated change to production - sequences observability and a staged rollout, then gates the outward-facing deploy behind a final go/no-go. Usage /groundwork:ship - [Validate](https://agentstack.voostack.com/l/skill-etr-groundwork-validate) — Skill · Free · security-reviewed — `agentstack add skill-etr-groundwork-validate` This skill should be used when implementation is complete to run multi-agent verification with autonomous fix-and-retry until all agents approve - [Debug](https://agentstack.voostack.com/l/skill-etr-groundwork-debug) — Skill · Free · security-reviewed — `agentstack add skill-etr-groundwork-debug` This skill should be used when investigating bugs, unexpected behavior, test failures, or any code that does not work as expected - enforces systematic root cause analysis before any fix - [Plan Task](https://agentstack.voostack.com/l/skill-etr-groundwork-plan-task) — Skill · Free · security-reviewed — `agentstack add skill-etr-groundwork-plan-task` Plans a task or feature - loads context, optionally clarifies requirements, spawns Plan agent, persists plan to .groundwork-plans/ - [Source Architecture From Code](https://agentstack.voostack.com/l/skill-etr-groundwork-source-architecture-from-code) — Skill · Free · security-reviewed — `agentstack add skill-etr-groundwork-source-architecture-from-code` Synchronize architecture document with codebase changes. Usage /groundwork:source-architecture-from-code - [Build Unplanned](https://agentstack.voostack.com/l/skill-etr-groundwork-build-unplanned) — Skill · Free · security-reviewed — `agentstack add skill-etr-groundwork-build-unplanned` Build a feature from description with worktree isolation and TDD. Usage /groundwork:build-unplanned "Add user login - [Doubt Driven Development](https://agentstack.voostack.com/l/skill-etr-groundwork-doubt-driven-development) — Skill · Free · security-reviewed — `agentstack add skill-etr-groundwork-doubt-driven-development` Use when building a high-stakes or hard-to-reverse change - schema/data migrations, auth, payments, public API surface, destructive operations, or concurrency - to adversarially refute the chosen approach BEFORE committing to it - [Swarm Design Architecture](https://agentstack.voostack.com/l/skill-etr-groundwork-swarm-design-architecture) — Skill · Free · security-reviewed — `agentstack add skill-etr-groundwork-swarm-design-architecture` Design architecture using parallel advocate agents for adversarial technology comparison. Usage /groundwork:swarm-design-architecture - [Skills](https://agentstack.voostack.com/l/skill-etr-groundwork-skills) — Skill · Free · security-reviewed — `agentstack add skill-etr-groundwork-skills` List all available Groundwork skills with descriptions. Usage /groundwork:skills - [Instrument Observability](https://agentstack.voostack.com/l/skill-etr-groundwork-instrument-observability) — Skill · Free · security-reviewed — `agentstack add skill-etr-groundwork-instrument-observability` Instrument a change with structured logging, RED metrics, trace spans, and symptom-based alerts - use while building the change, not after an incident proves it was unobservable - [Design Product](https://agentstack.voostack.com/l/skill-etr-groundwork-design-product) — Skill · Free · security-reviewed — `agentstack add skill-etr-groundwork-design-product` Create detailed product requirements document (PRD) for a feature. Usage /groundwork:design-product - [Check Specs Alignment](https://agentstack.voostack.com/l/skill-etr-groundwork-check-specs-alignment) — Skill · Free · security-reviewed — `agentstack add skill-etr-groundwork-check-specs-alignment` Verify alignment between code and specs. Usage /groundwork:check-specs-alignment - [Domain Modeling](https://agentstack.voostack.com/l/skill-etr-groundwork-domain-modeling) — Skill · Free · security-reviewed — `agentstack add skill-etr-groundwork-domain-modeling` Use when designing a product or feature and the project lacks shared, agreed terminology - builds and maintains a pure domain glossary so agents speak one language - [Groundwork Check](https://agentstack.voostack.com/l/skill-etr-groundwork-groundwork-check) — Skill · Free · security-reviewed — `agentstack add skill-etr-groundwork-groundwork-check` Validate the Groundwork plugin for common issues. Usage /groundwork:groundwork-check - [Select Project](https://agentstack.voostack.com/l/skill-etr-groundwork-select-project) — Skill · Free · security-reviewed — `agentstack add skill-etr-groundwork-select-project` This skill should be used when the user wants to switch between projects in a monorepo - lists projects from .groundwork.yml and sets the active project - [Groundwork Help](https://agentstack.voostack.com/l/skill-etr-groundwork-groundwork-help) — Skill · Free · security-reviewed — `agentstack add skill-etr-groundwork-groundwork-help` List all Groundwork skills with descriptions. Usage /groundwork:groundwork-help - [Split Architecture](https://agentstack.voostack.com/l/skill-etr-groundwork-split-architecture) — Skill · Free · security-reviewed — `agentstack add skill-etr-groundwork-split-architecture` This skill should be used when converting a single-file architecture doc to directory-based format for better organization of large architecture documents - [Create Tasks](https://agentstack.voostack.com/l/skill-etr-groundwork-create-tasks) — Skill · Free · security-reviewed — `agentstack add skill-etr-groundwork-create-tasks` Generate implementation tasks from architecture document. Usage /groundwork:create-tasks - [Vertical Slice](https://agentstack.voostack.com/l/skill-etr-groundwork-vertical-slice) — Skill · Free · security-reviewed — `agentstack add skill-etr-groundwork-vertical-slice` Use when building a feature large enough to span multiple layers - structure the work as thin, end-to-end, independently-shippable slices behind a feature flag instead of building layer-by-layer - [Work On](https://agentstack.voostack.com/l/skill-etr-groundwork-work-on) — Skill · Free · security-reviewed — `agentstack add skill-etr-groundwork-work-on` skill to "execute a task", "work on task N", or "implement TASK-NNN" - orchestrates worktree isolation, TDD implementation, validation, and merge. - [Work On Next Task](https://agentstack.voostack.com/l/skill-etr-groundwork-work-on-next-task) — Skill · Free · security-reviewed — `agentstack add skill-etr-groundwork-work-on-next-task` Execute next uncompleted task with full project context (PRD, architecture, tasks). Usage /groundwork:work-on-next-task - [Review Pr](https://agentstack.voostack.com/l/skill-etr-groundwork-review-pr) — Skill · Free · security-reviewed — `agentstack add skill-etr-groundwork-review-pr` Review a GitHub PR using multi-agent verification. Usage /groundwork:review-pr [PR number or URL]. Pass --no-interactive to skip all prompts and auto-publish. - [Use Git Worktree](https://agentstack.voostack.com/l/skill-etr-groundwork-use-git-worktree) — Skill · Free · security-reviewed — `agentstack add skill-etr-groundwork-use-git-worktree` This skill should be used when starting feature work that needs isolation from current workspace - creates isolated git worktrees with smart directory selection and safety verification --- Seller on AgentStack — the marketplace for AI agent skills and MCP servers. Every listing is security-reviewed. Install any with `agentstack add `.