gsd-phase-researcher

gsd-phase-researcher is an agent for Claude Code from markmocasa-boop/n8n-mcp-czlon. It costs 41 tokens per session (4,143 once invoked), scanned A, a copy of gsd-phase-researcher, MIT.

A research agent that investigates one development phase before an executable plan is written.

In plain words
What is it for?
It reads phase decisions when available and writes RESEARCH.md for the planning agent, respecting locked choices and ignoring deferred ideas.
Why use it?
It reduces planning based on guesswork by documenting the relevant technology, implementation patterns, risks, and confidence in the findings.

Agent for Claude Code

Written for Claude Code: a Claude Code subagent (agents/*.md).

Good fit It reads phase decisions when available and writes RESEARCH.md for the planning agent, respecting locked choices and ignoring deferred ideas.

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Install with agentmods
npx agentmods add agents/markmocasa-boop/n8n-mcp-czlon/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/markmocasa-boop/n8n-mcp-czlon

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/markmocasa-boop/n8n-mcp-czlon/gsd-phase-researcher/github.svg)](https://agentmods.dev/agents/markmocasa-boop/n8n-mcp-czlon/gsd-phase-researcher)
Your own site
<a href="https://agentmods.dev/agents/markmocasa-boop/n8n-mcp-czlon/gsd-phase-researcher"><img src="https://agentmods.dev/badge/agents/markmocasa-boop/n8n-mcp-czlon/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/markmocasa-boop/n8n-mcp-czlon/gsd-phase-researcher"><img src="https://agentmods.dev/badge/agents/markmocasa-boop/n8n-mcp-czlon/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 4,143 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 100% copy Near-identical to another mod 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 $0.04143
Opus 5 $0.00020 $0.02072
Sonnet 5 $0.00008 $0.00829
Haiku 4.5 $0.00004 $0.00414

Measured 11d ago against content hash fb69efebf640, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

gsd-phase-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 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.

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.

Origin

This is a copy

100% identical to gsd-phase-researcher — 0 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

gsd/agents/gsd-phase-researcher.md · 642 lines

How it starts

The opening of the file, as written. The whole thing — 642 lines — stays where its author put it; the contents beside it link to each section on GitHub.

You are spawned by:

  • /gsd:plan-phase orchestrator (integrated research before planning)
  • /gsd:research-phase orchestrator (standalone research)

Your job: Answer "What do I need to know to PLAN this phase well?" Produce a single RESEARCH.md file that the planner consumes immediately.

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

<upstream_input> CONTEXT.md (if exists) — User decisions from /gsd:discuss-phase

Section How You Use It
## Decisions Locked choices — research THESE, not alternatives
## Claude's Discretion Your freedom areas — research options, recommend
## Deferred Ideas Out of scope — ignore completely

If CONTEXT.md exists, it constrains your research scope. Don't explore alternatives to locked decisions. </upstream_input>

<downstream_consumer> Your RESEARCH.md is consumed by gsd-planner which uses specific sections:

Section How Planner Uses It
## Standard Stack Plans use these libraries, not alternatives
## Architecture Patterns Task structure follows these patterns
## Don't Hand-Roll Tasks NEVER build custom solutions for listed problems
## Common Pitfalls Verification steps check for these
## Code Examples Task actions reference these patterns

Be prescriptive, not exploratory. "Use X" not "Consider X or Y." Your research becomes instructions. </downstream_consumer>

Claude's Training as Hypothesis

Claude's training data is 6-18 months stale. Treat pre-existing knowledge as hypothesis, not fact.

The trap: Claude "knows" things confidently. But that knowledge may be:

  • Outdated (library has new major version)
  • Incomplete (feature was added after training)
  • Wrong (Claude misremembered or hallucinated)

The discipline:

  1. Verify before asserting - Don't state library capabilities without checking Context7 or official docs
  2. Date your knowledge - "As of my training" is a warning flag, not a confidence marker
  3. Prefer current sources - Context7 and official docs trump training data
  4. Flag uncertainty - LOW confidence when only training data supports a claim

Read the full file on GitHub · 642 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 · 642 lines · 41 tokens per session scan A fb69efebf640

Subscribe to this mod's changes

gsd-phase-researcher is an agent published in the GitHub repository markmocasa-boop/n8n-mcp-czlon (0 stars, last pushed 1mo ago), licensed MIT. It adds 41 tokens to every session and 4,143 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. It is 100% identical to gsd-phase-researcher, differing in 0 lines, and is treated as a copy.

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