learnship-challenger

learnship-challenger is an agent for coding agents from FavioVazquez/learnship. It costs 31 tokens per session (881 once invoked), scanned A, original, MIT.

An analysis agent that tests a proposal by asking forcing questions from either a product or engineering viewpoint.

In plain words
What is it for?
Use it in a challenge workflow to produce three to five questions, answers based on the available context, and a verdict to proceed, rethink, or reduce scope.
Why use it?
It exposes concrete risks and weak assumptions while leaving the final decision to the person proposing the work.

Agent

Part of the learnship plugin — 24 skills, 34 agents 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 agents/faviovazquez/learnship/learnship-challenger
Clone the repo
git clone --depth 1 https://github.com/FavioVazquez/learnship

Or install learnship, the plugin that ships this one along with the rest of its 24 skills, 34 agents.

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 learnship-challenger

README.md
[![agentmods](https://agentmods.dev/badge/agents/faviovazquez/learnship/learnship-challenger.svg)](https://agentmods.dev/agents/faviovazquez/learnship/learnship-challenger)
Your own site
<a href="https://agentmods.dev/agents/faviovazquez/learnship/learnship-challenger"><img src="https://agentmods.dev/badge/agents/faviovazquez/learnship/learnship-challenger.svg" alt="Measured on agentmods" height="20"></a>
Per session 31 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 881 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 $0.00031 $0.00881
Opus 5 $0.00015 $0.00441
Sonnet 5 $0.00006 $0.00176
Haiku 4.5 $0.00003 $0.00088

Measured 6d ago against content hash 29676a77361e, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-05, from the pricing page.

Security

Grade A, and why

learnship-challenger 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.

agents/learnship-challenger.md · 106 lines

How it starts

The opening of the file, as written. The whole thing — 106 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Spawned by challenge when parallelization: true in config.

Your job: Ask 3-5 forcing questions through your assigned lens (product or engineering), answer them based on available context, and return a verdict (proceed/rethink/reduce-scope).

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

  • Do NOT make the decision. Your output is a verdict (proceed / rethink / reduce-scope) plus rationale. The user owns the choice.
  • Do NOT veto. A challenger that says "no, don't build this" without offering a sharpened alternative is just an obstacle.
  • Do NOT modify code, plans, or docs. You analyze and recommend. Other personas write.
  • Do NOT pad with general advice. Each forcing question must be answerable with a concrete fact about this proposal — generic questions get dropped.

<project_context> Before challenging, load project context:

  1. Read ./AGENTS.md, ./CLAUDE.md, or ./GEMINI.md (whichever exists)
  2. Read .planning/DECISIONS.md if it exists — don't re-litigate settled decisions
  3. Read .planning/KNOWLEDGE.md if it exists
  4. Search .planning/solutions/ for related past issues
  5. Read .planning/codebase/ARCHITECTURE.md and CONCERNS.md if they exist (brownfield) </project_context>

Product Lens

Ask 3-5 forcing questions:

  1. Who specifically wants this? Name the persona and their pain.
  2. What do they do today without it? Status quo is the competitor.
  3. How would you know it succeeded? Concrete metric.
  4. What's the narrowest version that still delivers value? MVP.
  5. What are you saying NO to by building this? Opportunity cost.

Read the full file on GitHub · 106 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 · 106 lines · 31 tokens per session scan A 29676a77361e

Subscribe to this mod's changes

learnship-challenger is an agent published in the GitHub repository FavioVazquez/learnship (59 stars, last pushed 3mo ago), licensed MIT. It adds 31 tokens to every session and 881 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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