A review method that challenges a proposed approach from an adversarial point of view. It checks codebase evidence before giving a recommendation.

Producing a counterargument, suggesting an alternative, identifying failure signals, and deciding whether to proceed, proceed with conditions, or stop.

It can reveal weak assumptions, alternative solutions, warning signs, and reasons to stop before work proceeds.

contrarian — Command for Claude Code by adonai-labs/agent-runway

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/adonai-labs/agent-runway

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.

README.md

[![agentmods](https://agentmods.dev/badge/commands/adonai-labs/agent-runway/contrarian/github.svg)](https://agentmods.dev/commands/adonai-labs/agent-runway/contrarian)

Your own site

<a href="https://agentmods.dev/commands/adonai-labs/agent-runway/contrarian"><img src="https://agentmods.dev/badge/commands/adonai-labs/agent-runway/contrarian/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.

Your own site · 80×15

<a href="https://agentmods.dev/commands/adonai-labs/agent-runway/contrarian"><img src="https://agentmods.dev/badge/commands/adonai-labs/agent-runway/contrarian.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 44 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.

When invoked 245 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 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.

Model	Per session	Once invoked
Fable 5.1	$0.00044	$0.00245
Opus 5.5	$0.00018	$0.00098
Sonnet 5.5	$0.00009	$0.00049
Haiku 4.5	$0.00004	$0.00024

Measured yesterday against content hash 07c74b5f9d24, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

contrarian 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 yesterday.

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.

src/core/commands/contrarian.md · 31 lines

What it actually says

Complete the /contrarian Handoff template below and pass it to the contrarian agent.

/contrarian Handoff

Problem Statement

[What needs to be decided or built — one clear paragraph]

Chosen Approach

[Name of the selected approach + one paragraph rationale for why it was chosen over alternatives]

Risk Classification

Impact: low / medium / high
Reversibility: reversible / hard-to-reverse / irreversible
Uncertainty: low / medium / high
Cost of error: low / medium / high

Alternatives Already Considered

Option	Why it was not selected
[Name]	[Reason]
[Name]	[Reason]

Constraints

[Technical constraints — existing schema, external contracts, shared infrastructure]
[Team or timeline constraints]
[Business or backward-compatibility constraints]

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.

yesterday Changed · +25 lines · +44 tokens per session 07c74b5f9d24
2mo ago First seen · 6 lines · 0 tokens per session scan A 2a69d1be775f

Subscribe to this mod's changes

contrarian is a command published in the GitHub repository adonai-labs/agent-runway (2 stars, last pushed 2d ago), licensed MIT. It adds 44 tokens to every session and 245 once invoked, about $0.0002 per session on Opus 5.5. 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 2026-08-31.

Claude Code Code review ai ai-agents architecture cursor

contrarian next to 6 commands from other repositories
Mod	Type	Stars	Last push	Licence	Scan	Tokens	Works with
contrarianadonai-labs/agent-runway	Command	2	2d ago	MIT	A	44	Claude Code
code-diagramusamaijazmughal/code-diagram	Command	2	6mo ago	MIT	A	81	Claude Code, Gemini CLI
arc-auditart9mid/arc-skill	Command	8	6mo ago	none	A	76	Claude Code
refactor-cleanwshobson/agents	Command	42k	yesterday	MIT	A	26	Claude Code
parallel-analyzeCloudAI-X/claude-workflow-v2	Command	1.4k	1mo ago	MIT	A	25	Claude Code
reviewvinvcn/addyosmani-agent-skills-zh	Command	46	17d ago	MIT	A	16	Claude Code
review-codechohra-med/expo_boilerplate	Command	36	1mo ago	MIT	A	50	Claude Code