Is Challenger safe and trustworthy?

tashan scores Challenger on public evidence — tashan score 33.0/100, it is currently active, note: a single primary maintainer (bus-factor risk). Audit scope: OSV advisories, install-time scripts, build provenance and declared permission surface. We do not review source code or execute the capability.

How do I install Challenger?

Configure it from its source repository — it is a remote / registry server.

Who maintains Challenger?

1 GitHub contributors, source: ismailnakkar/challenger-plugin.

‹ The Index

Challenger

plugin

Multi-agent adversarial plugin that stress-tests code decisions, architecture plans, and reasoning through evidence-backed challenge rounds. Four specialized agents (Skeptic, Sentinel, Architect, Pragmatist) take turns poking holes in your conclusions using actual codebase evidence — reading code, searching patterns, and checking git history. Auto-scales intensity from quick sanity checks to brutal multi-round reviews based on stakes. Includes a passive advisory agent that suggests challenging d

Works with: Claude Code (native)
native: this artifact type is that client's own format

Category: Dev Tools & CI — see all ranked ›

Install (Claude Code):

/plugin marketplace add anthropics/claude-plugins-community
/plugin install challenger@claude-community

tashan score: 33.0
Adoption: 1 repos
Upkeep: 56.0
Freshness: 81.0
Evidence coverage: 84% of the inputs this score can use — the rest are unknown, and the score is discounted for it
Health: active
GitHub stars: 1
Contributors: 1

Security audit

Not scanned yet. We audit npm-published capabilities for known advisories, install-time scripts and permission surface; this one has no npm package we can resolve, or has not reached the queue.

You searched for one. Check the rest of your stack:

npx tashan-cli doctor

Reads the config already on your machine and names what is dead, deprecated or running code at install time. No account, nothing uploaded.

tashan Pro$6/mo

Challenger scores 33 today. Pro keeps the series, so you can see whether that is a project getting better or one on its way down.

The whole series behind any row, back to the first day we measured it
The replacement, named — not just the news that something died
tashan doctor over your own config, on your own machine

Start a 7-day trial › Everything measured on this page stays free.

Show your score

Measured this well? Put the live badge in your README — it updates as the score does.

[![tashan](https://tashan.sh/badge/plugin-ismailnakkar-challenger-plugin-challenger.svg)](https://tashan.sh/capability/plugin-ismailnakkar-challenger-plugin-challenger.html)

source ↗ · plugin:ismailnakkar/challenger-plugin/challenger

Everything on this page is public evidence and free. What it cannot know is whether you run this — check your whole config, free, in the browser. tashan Pro adds the series behind each row and names a replacement for anything dying.

Already running this? Check your whole config — free, in your browser, nothing installed. Or npx tashan-cli doctor locally, which sends nothing at all.

Measured 2026-09-13 · scorer s5 · how · something wrong here?