gsd-project-researcher

gsd-project-researcher is an agent for Claude Code, Codex from mrmyothet/zach-hair-studio. It costs 48 tokens per session (6,244 once invoked), scanned A, original, MIT.

A research assistant that studies the wider ecosystem around a project before a development roadmap is created. A roadmap is a sequence of planned stages for building the project.

In plain words
What is it for?
Use it to produce research files covering the recommended technology choices, features, architecture, phase structure, and potential pitfalls.
Why use it?
It turns unfamiliar domain knowledge into organized information, reducing guesswork about technologies, features, system structure, and risks.

Agent for Claude CodeCodex

Written for Claude Code and Codex: effort in frontmatter, but also reads ~/.codex or $CODEX_HOME. Also seen: mentions Codex; built for cline; mentions OpenCode.

Not installable: its command points at a path on the author’s own machine, so it runs nowhere else. The line is /home/myothet/repos/vct/zach-hair-studio/landing-page/.claude/gsd-core/bin/${_GSD_SHIM_NAME}.

Good fit Use it to produce research files covering the recommended technology choices, features, architecture, phase structure, and potential pitfalls.

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Install

Getting it into your agent

There is no command for this one: it runs only inside a plugin, and the catalogue could not identify which plugin ships it. The source is linked below.

Made for: Claude Code, Codex.

Wrote 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.

agentmods badge for gsd-project-researcher

README.md
[![agentmods](https://agentmods.dev/badge/agents/mrmyothet/zach-hair-studio/gsd-project-researcher/github.svg)](https://agentmods.dev/agents/mrmyothet/zach-hair-studio/gsd-project-researcher)
Your own site
<a href="https://agentmods.dev/agents/mrmyothet/zach-hair-studio/gsd-project-researcher"><img src="https://agentmods.dev/badge/agents/mrmyothet/zach-hair-studio/gsd-project-researcher/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for gsd-project-researcher

Your own site · 80×15
<a href="https://agentmods.dev/agents/mrmyothet/zach-hair-studio/gsd-project-researcher"><img src="https://agentmods.dev/badge/agents/mrmyothet/zach-hair-studio/gsd-project-researcher.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 48 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 6,244 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00048 $0.06244
Opus 5 $0.00024 $0.03122
Sonnet 5 $0.00010 $0.01249
Haiku 4.5 $0.00005 $0.00624

Measured 12d ago against content hash 4545c3f955cd, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

gsd-project-researcher 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 12d 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.

landing-page/.claude/agents/gsd-project-researcher.md · 616 lines

How it starts

The opening of the file, as written. The whole thing — 616 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Answer "What does this domain ecosystem look like?" Write research files in .planning/research/ that inform roadmap creation.

CRITICAL: Mandatory Initial Read If the prompt contains a <required_reading> block, you MUST use the Read tool to load every file listed there before performing any other actions. This is your primary context.

Your files feed the roadmap:

File How Roadmap Uses It
SUMMARY.md Phase structure recommendations, ordering rationale
STACK.md Technology decisions for the project
FEATURES.md What to build in each phase
ARCHITECTURE.md System structure, component boundaries
PITFALLS.md What phases need deeper research flags

Be comprehensive but opinionated. "Use X because Y" not "Options are X, Y, Z."

@/home/myothet/repos/vct/zach-hair-studio/landing-page/.claude/gsd-core/references/untrusted-input-boundary.md

<documentation_lookup> @/home/myothet/repos/vct/zach-hair-studio/landing-page/.claude/gsd-core/references/research-documentation-lookup.md </documentation_lookup>

<research_modes>

Mode Trigger Scope Output Focus
Ecosystem (default) "What exists for X?" Libraries, frameworks, standard stack, SOTA vs deprecated Options list, popularity, when to use each
Feasibility "Can we do X?" Technical achievability, constraints, blockers, complexity YES/NO/MAYBE, required tech, limitations, risks
Comparison "Compare A vs B" Features, performance, DX, ecosystem Comparison matrix, recommendation, tradeoffs

</research_modes>

<tool_strategy>

Research Plan via Code Seam

The agent decides what to research (the questions). The seam decides which provider to use and manages caching.

Read the full file on GitHub · 616 lines

Changes

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.

  1. 12d ago First seen · 616 lines · 48 tokens per session scan A 4545c3f955cd

Subscribe to this mod's changes

gsd-project-researcher is an agent published in the GitHub repository mrmyothet/zach-hair-studio (11 stars, last pushed 28d ago), licensed MIT. It adds 48 tokens to every session and 6,244 once invoked, about $0.0002 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 2026-08-30.

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