idea-shotgun

idea-shotgun is a skill for Claude Code from matthewdigiuseppe/MStack. It costs 69 tokens per session (616 once invoked), scanned A, original, MIT.

A structured idea generator for research projects that do not yet have a settled question. It creates several distinct ways to use the same topic or data, then compares their contribution, evidence strategy, cost, and risks.

In plain words
What is it for?
Use it when you have a topic, data, or a rejected idea and need alternative research questions, causal approaches, audiences, and ranked project options.
Why use it?
Choosing one idea from several clear alternatives is safer than committing to the first plausible angle. It helps identify projects that are interesting but difficult to support with available data or methods.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter.

Part of the mstack plugin — 38 skills, 1 hook shipped together

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.

agentmods
npx agentmods add skills/matthewdigiuseppe/mstack/idea-shotgun
Any agent
npx skills add matthewdigiuseppe/MStack --skill idea-shotgun
Clone the repo
git clone --depth 1 https://github.com/matthewdigiuseppe/MStack

Made for: Claude Code.

Or install mstack, the plugin that ships this one along with the rest of its 38 skills, 1 hook.

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 idea-shotgun

README.md
[![agentmods](https://agentmods.dev/badge/skills/matthewdigiuseppe/mstack/idea-shotgun.svg)](https://agentmods.dev/skills/matthewdigiuseppe/mstack/idea-shotgun)
Your own site
<a href="https://agentmods.dev/skills/matthewdigiuseppe/mstack/idea-shotgun"><img src="https://agentmods.dev/badge/skills/matthewdigiuseppe/mstack/idea-shotgun.svg" alt="Measured on agentmods" height="20"></a>
Per session 69 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 616 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00069 $0.00616
Opus 5 $0.00034 $0.00308
Sonnet 5 $0.00014 $0.00123
Haiku 4.5 $0.00007 $0.00062

Measured 6d ago against content hash f73d92feff88, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

idea-shotgun 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 6d 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.

skills/idea-shotgun/SKILL.md · 59 lines

How it starts

The opening of the file, as written. The whole thing — 59 lines — stays where its author put it; the contents beside it link to each section on GitHub.

/mstack:idea-shotgun

Stage: ideate Voice: generative

When to invoke

You have data, a topic, or an unanswered question — and you're not yet committed to a specific angle. The shotgun produces variants so you pick from a set instead of from a hunch.

Procedure

  1. Load context. Read any .mstack/research-question.md (if a prior attempt exists) and the data documentation if applicable.

  2. Ask the user for the seed. One paragraph: what they have (data, theoretical interest), what they think the question might be, and what audience they imagine.

  3. Generate 4–6 angles. Each must vary along one of:

    • Same data, different question.
    • Same question, different identification.
    • Same identification, different scope (population, time, treatment).
    • Same headline, different audience (IPE / comparative / methods / public).
  4. Score each angle on a 4-cell card:

    ANGLE N: <one-sentence claim>
    --------
    Contribution:    <one sentence — what new sentence this adds to the literature>
    Identification:  <one sentence — how to separate the effect from the obvious confound>
    Cost:            <data-acquire weeks | analysis weeks | total months>
    Risk:            <highest single risk: data, identification, scoop, fit>
    
  5. Rank. Score each on (contribution × tractability) / (cost × risk) qualitatively. Surface the top 2 to the user.

  6. Save to .mstack/idea-shotgun-<YYYY-MM-DD>.md with all angles, including the ones not surfaced — they may be next year's paper.

Outputs

  • .mstack/idea-shotgun-<date>.md — full angle set with cards.
  • Summary block: top 2 angles with a one-line case for each, and a recommendation on which to take to /mstack:research-question.

Anti-patterns to refuse

  • Variations on a theme. If five angles are all "the same question with one variable swapped," that's not divergence. Push for genuinely different framings.
  • Defaulting to the user's seed. The shotgun is most valuable when at least one angle reframes the question entirely.

Read the full file on GitHub · 59 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. 6d ago First seen · 59 lines · 69 tokens per session scan A f73d92feff88

Subscribe to this mod's changes

idea-shotgun is a skill published in the GitHub repository matthewdigiuseppe/MStack (14 stars, last pushed 9d ago), licensed MIT. It adds 69 tokens to every session and 616 once invoked, about $0.0003 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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