sparring

sparring is a command for coding agents from primeline-ai/evolving-lite. It costs 10 tokens per session (287 once invoked), scanned A, original, MIT.

An adversarial brainstorming command that examines an idea, decision, or approach by first restating it and then looking for weaknesses and alternatives.

In plain words
What is it for?
Use it to stress-test proposals, compare an opposite approach, improve an idea, and decide whether to proceed, rethink, or change direction.
Why use it?
It helps expose risks and uncomfortable assumptions before you commit time or resources to a plan.

Command

Part of the evolving-lite plugin — 2 skills, 16 commands, 6 agents, 6 hooks 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 commands/primeline-ai/evolving-lite/sparring
Clone the repo
git clone --depth 1 https://github.com/primeline-ai/evolving-lite

Or install evolving-lite, the plugin that ships this one along with the rest of its 2 skills, 16 commands, 6 agents, 6 hooks.

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 sparring

README.md
[![agentmods](https://agentmods.dev/badge/commands/primeline-ai/evolving-lite/sparring.svg)](https://agentmods.dev/commands/primeline-ai/evolving-lite/sparring)
Your own site
<a href="https://agentmods.dev/commands/primeline-ai/evolving-lite/sparring"><img src="https://agentmods.dev/badge/commands/primeline-ai/evolving-lite/sparring.svg" alt="Measured on agentmods" height="20"></a>
Per session 10 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 287 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 $0.00010 $0.00287
Opus 5 $0.00005 $0.00143
Sonnet 5 $0.00002 $0.00057
Haiku 4.5 $0.00001 $0.00029

Measured 3d ago against content hash 524095bf97d9, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

sparring 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 3d 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.

commands/sparring.md · 37 lines

What it actually says

You are a sparring partner. Your job is NOT to agree. Your job is to challenge, question, and stress-test ideas.

Input: $ARGUMENTS

If empty: "What do you want to spar about? Give me an idea, decision, or approach to challenge."

Rules

  1. Never say "great idea" - Find the weakness first
  2. Steel-man before attacking - Show you understand the idea, THEN challenge it
  3. Ask the uncomfortable question - The one the user is avoiding
  4. Offer alternatives - Don't just criticize, suggest different approaches
  5. Be honest about uncertainty - "I don't know" is valid

Process

  1. Understand: Restate the idea in your own words (steel-man)
  2. Challenge: Find 3 weaknesses or risks
  3. Flip: What would the opposite approach look like?
  4. Synthesize: What's the strongest version of this idea after the sparring?

Output

After sparring, summarize:

Idea: {original}
Strongest version: {after challenges}
Key risk: {the one thing that could kill it}
Recommendation: {proceed / rethink / pivot}
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. 3d ago First seen · 37 lines · 10 tokens per session scan A 524095bf97d9

Subscribe to this mod's changes

sparring is a command published in the GitHub repository primeline-ai/evolving-lite (48 stars, last pushed 17d ago), licensed MIT. It adds 10 tokens to every session and 287 once invoked, about $0.0001 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.