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PM: Scope-Disciplined Product Manager

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A product manager for your agent team: build-ready PRDs with testable gates, a roadmap, brainstorming, standups and a single launch or no-launch verdict, with a scope guard that cites the spec.

PM: Scope-Disciplined Product Manager: Brain Lab skill for Claude Code

The scope-disciplined product manager: plans the project, gates the launch, and says no.

Why use it

  • Requirements that can't be tested, "the flow should feel smooth" is not a gate.
  • Scope creep accepted one small ad-hoc ask at a time.
  • "Looks ready" as a launch decision, with no scenario actually scored.

What it does

  • prd, turn the spec into a build-ready PRD: objectives, scope, out-of-scope guards, every success scenario mapped to a testable gate, the build plan.
  • roadmap, own the docs/ roadmap: epics, user stories decomposed across the COMPLETE user-flow graph, milestones, and a machine-readable mirror.
  • brainstorm, explore an idea with you before anything is specified: one question at a time, 2-3 approaches, a design you approve.
  • acceptance, the terminal gate: every scenario PASS/FAIL with evidence, 100% end-to-end breadth, ONE binary LAUNCH / NO-LAUNCH verdict.
  • standup, evidence-based Done / Next / Blockers, read-only.
  • scope-guard, runs inside every mode: "is X in scope?" answered Yes/No with the spec section cited.

Benefits

  • Requirements a machine can score. Testable gates, not adjectives.
  • Scope creep stops here. Every "no" cites the spec and names the edit that would reverse it.
  • No half-covered features. Stories map every path a user can take, not one happy path.
  • Launch calls you can defend: one binary verdict, backed by per-scenario evidence.
  • Retarget it in one file. Nothing about your product is baked in.

Install

Download this skill and copy the pm folder to .claude/skills/pm/ in your project, or to ~/.claude/skills/pm/ to use it in every project. Claude Code finds it on its own; you can also call it with /pm.

Part of the Agent Engineering bundle. To get the whole set as a Claude Code plugin: /plugin marketplace add endorphin-ai/hasbrains-agent-kit, then /plugin install agent-engineering@hasbrains-agent-kit.

Source: endorphin-ai/hasbrains-agent-kit. License: MIT.

Files (19)

Files

{
  "skill": "pm",
  "entry": "SKILL.md",
  "description": "Master navigation map. Load SKILL.md + this file to orient, then open ONLY the one note the task needs.",
  "notes": [
    {
      "id": "prd",
      "kind": "workflow",
      "path": "workflows/prd.md",
      "title": "PRD Authoring Playbook",
      "summary": "Read the spec, write objectives + scope-in, reproduce the out-of-scope wall, map EVERY success scenario to a testable gate copied 1:1 + its build phase, list the launch-blockers, write the build plan, run the scope pass, then create the work items in order (epic -> PRD -> stories) and hand off LAST.",
      "tags": ["pm/prd", "pm/workflow"],
      "load_when": "Authoring or updating the PRD from the spec or a user request.",
      "links": ["roadmap", "scope-guard", "acceptance", "brainstorm"]
    },
    {
      "id": "roadmap",
      "kind": "workflow",
      "path": "workflows/roadmap.md",
      "title": "docs/ Roadmap Playbook",
      "summary": "Own the roadmap as committed markdown: epic(s) per milestone, user stories decomposed across the COMPLETE flow graph (dependency chain + full entity lifecycle x every access state) and linked to their epic, the PRD, tasks, milestones, then regenerate + commit the roadmap mirror.",
      "tags": ["pm/roadmap", "pm/workflow"],
      "load_when": "Creating or refreshing the roadmap and its machine-readable mirror.",
      "links": ["prd", "roadmap-json", "acceptance"]
    },
    {
      "id": "brainstorm",
      "kind": "workflow",
      "path": "workflows/brainstorm.md",
      "title": "Brainstorm / Idea-Exploration Playbook",
      "summary": "Pre-PRD exploration WITH the user: load the brainstorming skill, ground in the project config + spec, ask ONE question at a time, propose 2-3 approaches with a recommendation, present a design, get approval. Read/think-only, scope wall still applies.",
      "tags": ["pm/brainstorm", "pm/workflow"],
      "load_when": "Shaping an idea or exploring options before any PRD exists.",
      "links": ["prd", "scope-guard"]
    },
    {
      "id": "acceptance",
      "kind": "workflow",
      "path": "workflows/acceptance.md",
      "title": "Final Acceptance Sign-Off Playbook",
      "summary": "The terminal gate: score EVERY success scenario PASS/FAIL with evidence, check every launch-blocker, verify 100% end-to-end breadth (every story = a dedicated passing test), compile blockers, emit ONE binary verdict, organize the docs/ folder (stale statuses, follow-ups), refresh + commit the roadmap mirror.",
      "tags": ["pm/acceptance", "pm/workflow"],
      "load_when": "The build is delivered and needs the final pass/fail sign-off.",
      "links": ["prd", "scope-guard", "roadmap-json"]
    },
    {
      "id": "standup",
      "kind": "workflow",
      "path": "workflows/standup.md",
      "title": "On-Demand Standup Playbook",
      "summary": "Evidence-based Done/Last, Next/Plan, Blockers. Roadmap mirror FIRST, live scan only when stale; test/CI numbers recency-reconciled most-recent-wins with timestamp/environment/commit. Read-only.",
      "tags": ["pm/standup", "pm/workflow"],
      "load_when": "Any on-demand status read.",
      "links": ["standup-data-sources", "roadmap-json"]
    },
    {
      "id": "scope-guard",
      "kind": "workflow",
      "path": "workflows/scope-guard.md",
      "title": "Scope Guard Playbook",
      "summary": "The continuous 'is X in scope?' check that runs INSIDE every mode: restate the request, check the out-of-scope list, check the declared business model, check the in-scope + launch-blocking sections, emit '<Yes|No> - <spec section>.' and name the spec edit that would reverse a No.",
      "tags": ["pm/scope", "pm/workflow"],
      "load_when": "Any request, feature idea, or proposal needs a scope ruling.",
      "links": ["prd", "acceptance"]
    },
    {
      "id": "roadmap-json",
      "kind": "reference",
      "path": "references/roadmap-json.md",
      "title": "The Roadmap Mirror — docs/roadmap.json (PM-owned)",
      "summary": "The machine-readable mirror of the docs/ roadmap: what it holds (every work item + status, milestones past/current/next, summary counts), the concrete schema, the one refresh moment (the acceptance gate), and the staleness rule.",
      "tags": ["pm/roadmap", "pm/state"],
      "load_when": "Reading or rebuilding the roadmap mirror, or judging whether the snapshot is stale.",
      "links": ["standup", "standup-data-sources", "roadmap", "acceptance"]
    },
    {
      "id": "standup-data-sources",
      "kind": "reference",
      "path": "references/standup-data-sources.md",
      "title": "Standup — parts, data sources, and recency reconciliation",
      "summary": "The three standup parts and what each pulls from, the priority-ordered data sources (mirror first, live scan last), and the most-recent-wins reconciliation for test/CI numbers by timestamp/environment/commit.",
      "tags": ["pm/standup", "pm/state"],
      "load_when": "Producing a standup, or deciding which test/CI status is current.",
      "links": ["standup", "roadmap-json"]
    }
  ]
}