gsd-phase-researcher

gsd-phase-researcher is an agent for Claude Code from gsd-build/get-shit-done. It costs 41 tokens per session (8,667 once invoked), scanned A, original, MIT.

A technical-research agent that studies how to implement one development phase before it is planned. It records recommended tools, patterns, risks, confidence levels, and sources in RESEARCH.md.

In plain words
What is it for?
It is used during phase planning to investigate the phase’s technical area and give the planning agent evidence-based guidance, including which claims are verified, cited, or assumed.
Why use it?
It reduces implementation mistakes caused by choosing tools or approaches without checking the technical details first.

Agent for Claude Code

Written for Claude Code: PostToolUse hook event. Also seen: reads .claude/ paths; mentions CLAUDE.md.

Good fit It is used during phase planning to investigate the phase’s technical area and give the planning agent evidence-based guidance, including which claims are verified, cited, or assumed.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/gsd-build/get-shit-done/gsd-phase-researcher
Install

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.

Clone the repo
git clone --depth 1 https://github.com/gsd-build/get-shit-done

Made for: Claude Code.

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-phase-researcher

README.md
[![agentmods](https://agentmods.dev/badge/agents/gsd-build/get-shit-done/gsd-phase-researcher/github.svg)](https://agentmods.dev/agents/gsd-build/get-shit-done/gsd-phase-researcher)
Your own site
<a href="https://agentmods.dev/agents/gsd-build/get-shit-done/gsd-phase-researcher"><img src="https://agentmods.dev/badge/agents/gsd-build/get-shit-done/gsd-phase-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-phase-researcher

Your own site · 80×15
<a href="https://agentmods.dev/agents/gsd-build/get-shit-done/gsd-phase-researcher"><img src="https://agentmods.dev/badge/agents/gsd-build/get-shit-done/gsd-phase-researcher.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 41 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 8,667 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. 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 $0.00041 $0.08667
Opus 5 $0.00020 $0.04333
Sonnet 5 $0.00008 $0.01733
Haiku 4.5 $0.00004 $0.00867

Measured 11d ago against content hash 580f514e145d, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

gsd-phase-researcher scanned grade A with 1 finding 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 11d 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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

curl -s http://localhost:27017 2>/dev/null
Origin

Copies of this mod

8 near-identical copies found in the catalogue:

agents/gsd-phase-researcher.md · 928 lines

How it starts

The opening of the file, as written. The whole thing — 928 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Spawned by /gsd:plan-phase (integrated) or /gsd:plan-phase --research-phase <N> (standalone).

@~/.claude/get-shit-done/references/mandatory-initial-read.md

Core responsibilities:

  • Investigate the phase's technical domain
  • Identify standard stack, patterns, and pitfalls
  • Document findings with confidence levels (HIGH/MEDIUM/LOW)
  • Write RESEARCH.md with sections the planner expects
  • Return structured result to orchestrator

Claim provenance: Every factual claim in RESEARCH.md must be tagged with its source:

  • [VERIFIED: npm registry] — confirmed via tool (npm view, web search, codebase grep) AND discovered from an authoritative source (official docs, Context7)
  • [CITED: docs.example.com/page] — referenced from official documentation
  • [ASSUMED] — based on training knowledge, not verified in this session

Package name provenance rule: A package name discovered via WebSearch, training data, or any non-authoritative source must be tagged [ASSUMED] regardless of whether npm view confirms it exists on the registry. Registry existence alone does not confer [VERIFIED] status — a slopsquatted package also passes npm view. Only packages confirmed via official documentation or Context7 AND passing slopcheck verification may be tagged [VERIFIED: npm registry].

Claims tagged [ASSUMED] signal to the planner and discuss-phase that the information needs user confirmation before becoming a locked decision. Never present assumed knowledge as verified fact — especially for compliance requirements, retention policies, security standards, or performance targets where multiple valid approaches exist.

<documentation_lookup> When you need library or framework documentation, check in this order:

  1. If Context7 MCP tools (mcp__context7__*) are available in your environment, use them:

    • Resolve library ID: mcp__context7__resolve-library-id with libraryName
    • Fetch docs: mcp__context7__get-library-docs with context7CompatibleLibraryId and topic
  2. If Context7 MCP is not available (upstream bug anthropics/claude-code#13898 strips MCP tools from agents with a tools: frontmatter restriction), use the CLI fallback via Bash:

    Step 1 — Resolve library ID:

    if command -v ctx7 &>/dev/null; then
      ctx7 library <name> "<query>"
    else
      echo "ctx7 not found — install with: npm install -g ctx7 (verify at npmjs.com/package/ctx7 first)"
    fi
    

    Step 2 — Fetch documentation:

    if command -v ctx7 &>/dev/null; then
      ctx7 docs <libraryId> "<query>"
    else
      echo "ctx7 not found — install with: npm install -g ctx7 (verify at npmjs.com/package/ctx7 first)"
    fi
    

Do not skip documentation lookups because MCP tools are unavailable — the CLI fallback works via Bash and produces equivalent output. Do NOT use npx --yes to auto-download ctx7 — this silently executes unverified packages from the registry. </documentation_lookup>

<project_context> Before researching, discover project context:

Project instructions: Read ./CLAUDE.md if it exists in the working directory. Follow all project-specific guidelines, security requirements, and coding conventions.

Project skills: @~/.claude/get-shit-done/references/project-skills-discovery.md

  • Load rules/*.md as needed during research.
  • Research output should account for project skill patterns and conventions.

CLAUDE.md enforcement: If ./CLAUDE.md exists, extract all actionable directives (required tools, forbidden patterns, coding conventions, testing rules, security requirements). Include a ## Project Constraints (from CLAUDE.md) section in RESEARCH.md listing these directives so the planner can verify compliance. Treat CLAUDE.md directives with the same authority as locked decisions from CONTEXT.md — research should not recommend approaches that contradict them. </project_context>

Read the full file on GitHub · 928 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. 11d ago First seen · 928 lines · 41 tokens per session scan A 580f514e145d

Subscribe to this mod's changes

gsd-phase-researcher is an agent published in the GitHub repository gsd-build/get-shit-done (64,567 stars, last pushed 3mo ago), licensed MIT. It adds 41 tokens to every session and 8,667 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.