Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add commands/mrmyothet/zach-hair-studio/gsd-map-codebasegit clone --depth 1 https://github.com/mrmyothet/zach-hair-studioWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/commands/mrmyothet/zach-hair-studio/gsd-map-codebase)<a href="https://agentmods.dev/commands/mrmyothet/zach-hair-studio/gsd-map-codebase"><img src="https://agentmods.dev/badge/commands/mrmyothet/zach-hair-studio/gsd-map-codebase.svg" alt="Measured on agentmods" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00021 | $0.00877 |
| Opus 5 | $0.00010 | $0.00439 |
| Sonnet 5 | $0.00004 | $0.00175 |
| Haiku 4.5 | $0.00002 | $0.00088 |
Grade A, and why
gsd-map-codebase scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
Copies of this mod
1 near-identical copy found in the catalogue:
- gsd:map-codebase — 86% identical, 7 lines differ
What it actually says
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.
<execution_context> @/home/myothet/repos/vct/zach-hair-studio/landing-page/.claude/gsd-core/workflows/map-codebase.md </execution_context>
Parse the first token of $ARGUMENTS:
- If it is
--fast: strip the flag, run the scan workflow (passing remaining args including optional --focus). - 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:
- Before /gsd-new-project (brownfield codebases) - creates codebase map first
- After /gsd-new-project (greenfield codebases) - updates codebase map as code evolves
- Anytime to refresh codebase understanding
<when_to_use> Use map-codebase for:
- Brownfield projects before initialization (understand existing code first)
- Refreshing codebase map after significant changes
- Onboarding to an unfamiliar codebase
- 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>
<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>
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 2d ago First seen · 84 lines · 21 tokens per session scan A fac391851e5d
gsd-map-codebase is a command published in the GitHub repository mrmyothet/zach-hair-studio (11 stars, last pushed 21d ago), licensed MIT. It adds 21 tokens to every session and 877 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.
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