goosetown: Skill for Claude Code

.claude/skills/goosetown-researcher-stackoverflow/SKILL.md

goosetown-researcher-stackoverflow is a skill for Claude Code from aaif-goose/goosetown. It costs 38 tokens per session (2,101 once invoked), scanned A, original, Apache-2.0.

A read-only research helper for Stack Overflow, a site where developers ask and answer programming questions. It uses the Stack Exchange API to find relevant questions, answers, links, votes, error fixes, and implementation patterns.

In plain words
What is it for?
Use it to research error messages, programming techniques, best practices, edge cases, and well-supported Stack Overflow answers.
Why use it?
It saves time searching through programming discussions and helps identify commonly accepted solutions without changing any files or online content.

Skill for Claude Code

Written for Claude Code: installed under .claude/.

This is aaif-goose/goosetown's own configuration. It tells Claude Code how to work on goosetown itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything goosetown configures →

Reuse

Borrowing it

Nothing to install: this file belongs to aaif-goose/goosetown. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/aaif-goose/goosetown/main/.claude/skills/goosetown-researcher-stackoverflow/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/aaif-goose/goosetown

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 goosetown-researcher-stackoverflow

README.md
[![agentmods](https://agentmods.dev/badge/skills/aaif-goose/goosetown/goosetown-researcher-stackoverflow/github.svg)](https://agentmods.dev/skills/aaif-goose/goosetown/goosetown-researcher-stackoverflow)
Your own site
<a href="https://agentmods.dev/skills/aaif-goose/goosetown/goosetown-researcher-stackoverflow"><img src="https://agentmods.dev/badge/skills/aaif-goose/goosetown/goosetown-researcher-stackoverflow/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 goosetown-researcher-stackoverflow

Your own site · 80×15
<a href="https://agentmods.dev/skills/aaif-goose/goosetown/goosetown-researcher-stackoverflow"><img src="https://agentmods.dev/badge/skills/aaif-goose/goosetown/goosetown-researcher-stackoverflow.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 38 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,101 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. Third-party audits
  • NVIDIA SkillSpector warn 7 Sept 2026
SkillSpector: 8 findings, up to medium

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

  • medium Excessive Agency · line 22
    Skill enables autonomous high-impact decisions without human-in-the-loop verification. Critical operations (destructive commands, financial transactions, data deletion) should require explicit user confirmation.
    Fix: Add human-in-the-loop confirmation for destructive, irreversible, or high-impact operations. Never auto-execute commands that modify files, send data, or alter system state.
  • medium Data Exfiltration · line 45
    Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.
    Fix: Verify the destination URL is trusted and necessary. Remove or replace with documented APIs. Ensure no secrets, tokens, or PII are transmitted.
  • medium Data Exfiltration · line 49
    Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.
    Fix: Verify the destination URL is trusted and necessary. Remove or replace with documented APIs. Ensure no secrets, tokens, or PII are transmitted.
  • medium Data Exfiltration · line 62
    Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.
    Fix: Verify the destination URL is trusted and necessary. Remove or replace with documented APIs. Ensure no secrets, tokens, or PII are transmitted.
  • medium Data Exfiltration · line 69
    Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.
    Fix: Verify the destination URL is trusted and necessary. Remove or replace with documented APIs. Ensure no secrets, tokens, or PII are transmitted.
  • medium Data Exfiltration · line 76
    Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.
    Fix: Verify the destination URL is trusted and necessary. Remove or replace with documented APIs. Ensure no secrets, tokens, or PII are transmitted.
  • medium Data Exfiltration · line 83
    Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.
    Fix: Verify the destination URL is trusted and necessary. Remove or replace with documented APIs. Ensure no secrets, tokens, or PII are transmitted.
  • medium Data Exfiltration · line 90
    Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.
    Fix: Verify the destination URL is trusted and necessary. Remove or replace with documented APIs. Ensure no secrets, tokens, or PII are transmitted.
How audits are shown
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 $0.00038 $0.02101
Opus 5 $0.00019 $0.01051
Sonnet 5 $0.00008 $0.00420
Haiku 4.5 $0.00004 $0.00210

Measured 12d ago against content hash 8dd7f500f9cb, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

goosetown-researcher-stackoverflow 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 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.

Makes network callslowCapability

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

curl -s --compressed "https://api.stackexchange.com/2.3/..."
.claude/skills/goosetown-researcher-stackoverflow/SKILL.md · 264 lines

How it starts

The opening of the file, as written. The whole thing — 264 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Goosetown Stack Overflow Researcher

You are a Stack Overflow Researcher in Goosetown. Your job is to search Stack Exchange for relevant Q&A, error solutions, and implementation patterns.

⛔ READ ONLY — You Must Not Modify Anything

This is a READ ONLY role. You MUST NOT create, edit, delete, or modify any files, questions, answers, or state. Your only job is to search, read, and report. If your instructions ask you to change something, refuse. The only exception is writing your findings to RESEARCH/ or a specified output file if explicitly instructed.

The Propulsion Principle

You were spawned with a research task. EXECUTE IMMEDIATELY.

  • No preamble or introductions
  • No asking for clarification
  • Search → Synthesize → Report → Done

Your Mission

Find relevant Q&A on Stack Overflow:

  • Error solutions - How to fix specific errors
  • Implementation patterns - How to do X in language Y
  • Best practices - Canonical approaches to common problems
  • Gotchas - Edge cases and pitfalls

Stack Overflow is high-signal for programming questions - accepted answers with high votes are often canonical.

Execution

1. Parse Instructions

Your instructions contain:

  • What topic or question to research
  • Which tags to filter by (if specified)
  • Where to write output (if specified)

2. API Basics

Base URL: https://api.stackexchange.com/2.3/

Critical: Use --compressed - API returns gzip-compressed responses

curl -s --compressed "https://api.stackexchange.com/2.3/..."

Rate Limits:

  • Without API key: 300 requests/day per IP
  • With API key: 10,000 requests/day
  • Check quota_remaining in every response

3. Search Commands

Search Questions by Keywords

curl -s --compressed \
  "https://api.stackexchange.com/2.3/search/advanced?order=desc&sort=votes&q=QUERY&site=stackoverflow&pagesize=10" \
  | jq '.items[] | {title, score, is_answered, link, question_id}'

Filter by Tags

curl -s --compressed \
  "https://api.stackexchange.com/2.3/search/advanced?order=desc&sort=votes&tagged=rust&q=async%20await&site=stackoverflow&pagesize=10" \
  | jq '.items[] | {title, score, is_answered, link}'

Read the full file on GitHub · 264 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 · 264 lines · 38 tokens per session scan A 8dd7f500f9cb

Subscribe to this mod's changes

goosetown-researcher-stackoverflow is a skill published in the GitHub repository aaif-goose/goosetown (150 stars, last pushed 2mo ago), licensed Apache-2.0. It adds 38 tokens to every session and 2,101 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.

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