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adrianoanthonymma16-boopadrianoanthonymma16-boop/opencode-agents/skills/gsd-map-codebase/SKILL.md

gsd-map-codebase

Skill1 starsChanged 57 days agoMITView on GitHub

Analyze codebase with parallel mapper agents to produce .planning/codebase/ documents

5 other projects use a version of this, 4 of them edited.

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The file

We split this skill into the rules it gives an agent

10 rules. 5 are common, 0 are distinctive, and 5 are very specific to this project.

  • 5

    Common

    Most of the 5 edited versions we read keep these.

  • 0

    Distinctive

    This author's own choices. Worth a look.

  • 5

    Very specific

    Tied to their project's names, files or tools. Probably skip.

  • Common
  • Distinctive
  • Very specific
  1. Very specific:

    If it is --fast: strip the flag, then read and execute /home/tony/.config/opencode/gsd-core/workflows/scan.md (passing remaining args …

    line 28
  2. Very specific:

    If it is --query: strip the flag, run the intel workflow (passing remaining args as the subcommand).

    line 29
  3. Very specific:

    Check for .planning/STATE.md - loads context if project already initialized

    line 33
  4. Common:

    After /gsd-new-project (greenfield codebases) - updates codebase map as code evolves

    line 37
  5. Common:

    Before major refactoring (understand current state)

    line 46
  6. Common:

    When STATE.md references outdated codebase info

    line 47
  7. Very specific:

    Check if .planning/codebase/ already exists (offer to refresh or skip)

    line 55
  8. Very specific:

    Create .planning/codebase/ directory structure

    line 56
  9. Common:

    Wait for agents to complete, collect confirmations (NOT document contents)

    line 62
  10. Common:

    Verify all 7 documents exist with line counts

    line 63

“Common” is measured: kept by at least 6 in 10 of the 5 edited versions of this file we could read. “Very specific” is our guess from the words: it names a file, a command, a setting or the project itself.

Keep what fits and drop the rest. Your version, ready for your agents.
Files
SKILL.md
<objective> Analyze existing codebase using parallel gsd-codebase-mapper agents to produce structured codebase documents.

Each mapper agent explores a focus area and writes documents directly to .planning/codebase/. The orchestrator only receives confirmations, keeping context usage minimal.

Output: .planning/codebase/ folder with 7 structured documents about the codebase state. </objective>

<execution_context> @/home/tony/.config/opencode/gsd-core/workflows/map-codebase.md </execution_context>

<flags> - **--fast**: Lightweight scan mode — spawns one mapper agent instead of four. Accepts an optional `--focus` value: `tech`, `arch`, `quality`, `concerns`, or `tech+arch` (default). Faster and lower-context than the full map. - **--query**: Codebase intelligence query mode. Sub-commands: `query <term>`, `status`, `diff`, `refresh`. Requires intel to be enabled in config (`intel.enabled: true`). Runs inline for query/status/diff; spawns an agent for refresh. - **(no flag)**: Full parallel map — spawns 4 mapper agents to produce all 7 codebase documents. </flags><context> Arguments: $ARGUMENTS

Parse the first token of $ARGUMENTS:

  • If it is --fast: strip the flag, then read and execute /home/tony/.config/opencode/gsd-core/workflows/scan.md (passing remaining args including optional --focus). Load it on demand here — it is deliberately not in <execution_context>, so the common full-map path does not pay for it.
  • If it is --query: strip the flag, run the intel workflow (passing remaining args as the subcommand).
  • Otherwise: pass all of $ARGUMENTS as focus area to the map-codebase workflow.

Load project state if exists: Check for .planning/STATE.md - loads context if project already initialized

This command can run:

  • Via /gsd-onboard for first-time brownfield setup - creates codebase map first
  • After /gsd-new-project (greenfield codebases) - updates codebase map as code evolves
  • Anytime to refresh codebase understanding</context>

<when_to_use> Use map-codebase for:

  • Brownfield projects before initialization (understand existing code first)
  • Refreshing codebase map after significant changes
  • Refreshing or deepening an onboarded codebase map
  • Before major refactoring (understand current state)
  • When STATE.md references outdated codebase info

Skip map-codebase for:

  • Greenfield projects with no code yet (nothing to map)
  • Trivial codebases (<5 files) </when_to_use>
<process> 1. Check if .planning/codebase/ already exists (offer to refresh or skip) 2. Create .planning/codebase/ directory structure 3. Spawn 4 parallel gsd-codebase-mapper agents: - Agent 1: tech focus → writes STACK.md, INTEGRATIONS.md - Agent 2: arch focus → writes ARCHITECTURE.md, STRUCTURE.md - Agent 3: quality focus → writes CONVENTIONS.md, TESTING.md - Agent 4: concerns focus → writes CONCERNS.md 4. Wait for agents to complete, collect confirmations (NOT document contents) 5. Verify all 7 documents exist with line counts 6. Commit codebase map 7. Offer next steps (typically: /gsd-onboard, /gsd-new-project, or /gsd-plan-phase) </process>

<success_criteria>

  • .planning/codebase/ directory created
  • All 7 codebase documents written by mapper agents
  • Documents follow template structure
  • Parallel agents completed without errors
  • User knows next steps </success_criteria>

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