redteam-foundry 0.2.1

An adversarial benchmark foundry for LLM safety: audit attack corpora, score benchmark staleness, compare defences (ASR + false-refusal), test multilingual over-refusal, and export safe challenge packs.

redteam-foundry

An adversarial benchmark foundry for LLM safety: audit attack corpora, measure defence impact, score benchmark staleness, test multilingual over-refusal, and export safe challenge packs — all with judge-validated, reproducible numbers. A measurement tool, not a weapon (see ETHICS.md).

Positioning

redteam-foundry is the upstream research layer of a two-layer AI-safety stack. It validates adversarial corpora, measures defence effectiveness, studies whether published benchmarks still measure real deployment risk, and exports safe challenge packs for downstream release-gating systems to consume.

It deliberately does not make production release decisions. Ship / warn / block, incident replay, and policy-as-code gates belong in a separate deployment layer — see Relationship to agent-release-gates.

Validate the benchmark before you trust the gate.

	This repo (research layer)	A release-gate layer
Job	Discover, validate, and package adversarial benchmarks	Replay incidents, apply policy, decide ship/warn/block
Output	Audited corpora, judge-validated ASR/defence measurements, challenge packs	Deployment evidence, release decisions
Question	"Is this benchmark still meaningful, and how much do I trust the score?"	"Is this agent safe to ship right now?"

What it does

• Runs published adversarial prompts (AdvBench, JailbreakBench, HarmBench, AgentDojo — each pinned to an upstream commit) against target LLMs through composable, togglable defence stacks, and reports attack-success rate (ASR) with bootstrap confidence intervals and real API cost.
• Validates its own numbers: every verdict is scored by an LLM judge and re-scored by an independent second judge; agreement (Cohen's κ, Krippendorff's α) is a first-class output.
• Audits corpus quality: exact + near-duplicate detection (including cross-source overlap), language/script coverage, attack-family markers, and label-integrity checks → a quality report and a data card.
• Scores benchmark staleness: a transparent, component-broken-out heuristic answering "is this a robust model, or a stale benchmark?".
• Measures over-blocking: a benign control set (English + Traditional/ Simplified Chinese, Japanese, Korean, and code-switched) yields false-refusal rate (FRR) and a combined safe-usefulness score per defence.
• Exports challenge packs: versioned, self-describing fixtures a downstream release gate can consume — with adversarial prompts redacted by default.
• Interoperates: any run exports to a UK AISI Inspect eval log.

Headline finding

Across 2 target models, 2 benchmark families, and up to 4 composable defence configurations (12 evaluation cells), published adversarial prompts succeed between 0% and 4% of the time, and a paranoid prompt-only defence stack does not measurably move that number. Judge agreement on attack success is perfect — Cohen's κ = +1.00 in all 12 cells.

[!NOTE] A near-zero ASR is a result about the benchmark, not just the model. It can mean the model is robust or the benchmark is stale — and ASR alone cannot tell them apart. Measuring that difference (staleness, defence sensitivity, multilingual over-refusal) is what this foundry is for. Full numbers, validation, and limits are in METHODOLOGY.md.

Getting started

Install the CLI (the offline audit / staleness / dedup path needs no API key):

pipx install redteam-foundry     # recommended — puts `redteam` on your PATH
# or: pip install redteam-foundry
redteam --help

Or clone for development:

git clone https://github.com/rosscyking1115/redteam-foundry.git
cd redteam-foundry
uv venv --python 3.13
source .venv/bin/activate            # macOS/Linux
# .venv\Scripts\activate             # Windows PowerShell
uv pip install -e ".[dev]"
cp .env.example .env                 # fill in ANTHROPIC_API_KEY
pre-commit install
pytest tests/unit                    # should pass green
redteam version                      # prints the installed version

The CLI is redteam ... (equivalently python -m redteam ...).

[!WARNING] Live runs call paid APIs. Each run enforces a hard USD budget cap (set per config in configs/), and the judge/target adapters enforce a per-call cap — but set a matching console budget cap before your first run anyway.

Commands

Benchmark research (the foundry) — offline, no API key

These analyse corpora and existing run artifacts; they need cached corpora but no live model calls.

# Audit corpora: duplicates, cross-source overlap, language + attack-family
# coverage, label issues -> quality report + data card + JSON.
redteam corpora audit --output reports/corpus_audit/

# Audit ANY Hugging Face adversarial dataset, not just the built-in four.
redteam corpora audit-hf --dataset owner/name --prompt-column prompt --revision <sha>

# Score benchmark staleness (heuristic). Pass --run for evaluation JSONs to
# light up the run-based components (universal-low-ASR, defence-insensitivity,
# judge-disagreement); corpus-only otherwise.
redteam corpora staleness --only agentdojo --run results/<run>.cross-judged.json

# Compare defences on ASR, false-refusal rate, safe-usefulness, cost, latency.
redteam compare-defences --run results/<adv>.judged.json --benign-run results/<benign>.json

# False-refusal rate broken down by language (over a benign run).
redteam frr-by-language --run results/<benign_multilingual>.json

# Export a versioned challenge pack (adversarial prompts redacted by default).
redteam export-pack --pack-id my-pack --only advbench

# Write the benign control sets to JSONL for inspection / running.
redteam benign export                 # English control set
redteam benign export --multilingual  # zh-Hant/zh-Hans/ja/ko + code-switch

Measurement core — needs an API key / local Ollama

redteam corpora download                                   # fetch + pin corpora
redteam run --config configs/run_anthropic_baseline.yaml   # evaluate
redteam score --run results/<run>.json                     # LLM-judge scoring
redteam cross-judge --run results/<run>.judged.json        # second judge + agreement
redteam export-inspect --run results/<run>.json            # UK AISI Inspect log

Run redteam --help for the full command list; every sub-command has --help.

Why this reports ASR and not refusal rate

The cross-judge layer found that ASR is well-posed and refusal_rate is not: the two judges agree perfectly on whether an attack succeeded, but disagree — sometimes worse than chance — on whether a response was a "refusal", because an indirect-injection task has two things that can be refused (the user's request and the injected instruction). refusal_rate is therefore reported as a descriptive signal of response style only, never as a safety metric. This is documented, not hidden — see METHODOLOGY.md §7.

Relationship to agent-release-gates

This repository is the upstream adversarial benchmark layer: it validates static attack corpora, measures defence stacks, scores its own reliability, and exports safe challenge packs. Production release decisions — incident replay, policy-as-code gates, deployment evidence, and ship / warn / block recommendations — are deliberately out of scope. A useful mental model:

• redteam-foundry discovers, validates, and packages adversarial scenarios.
• a release-gate layer (agent-release-gates) consumes selected scenarios as regression and release-readiness checks.

A benchmark research tool should not be the thing that decides whether an agent ships, and a release gate is only as trustworthy as the benchmarks feeding it. (agent-release-gates is a companion project; this section documents the intended split.)

Ethics

[!IMPORTANT] This project uses only published adversarial prompts and does not generate novel jailbreaks in any language. Excluded categories (CSAM, weapons-of-mass-destruction synthesis, detailed self-harm methods) are filtered at corpus-load time and verified by a CI test. Results are aggregate; exported adversarial prompts are redacted. The multilingual work is benign-only. Full policy in ETHICS.md.

If you are a model provider whose model is included and want example transcripts removed, email [e-mail] — 24-hour removal commitment.

Development

scripts/ci_local.ps1 (Windows) and scripts/ci_local.sh (Linux/macOS) run the exact same checks as CI — ruff lint, ruff format check, mypy, pytest. Green locally means green on the PR. Run artifacts (results/), audit outputs (reports/), and non-sample packs (challenge_packs/) are gitignored — all re-creatable from configs.

Documentation

File	What's in it
Finding: are jailbreak benchmarks still worth running?	The write-up: staleness, a cross-dataset quality scorecard, and the multilingual result
METHODOLOGY.md	Source of truth for every reported number; metric validation; limits
ETHICS.md	Excluded categories, redaction, disclosure, provider ToS
docs/ROADMAP.md	The foundry pivot, phase status, and follow-up hardening
CONTRIBUTING.md	Scope, dev setup, and the ethics rules for adding corpora
CHANGELOG.md	Release history
reports/samples/	Committed real-data findings (staleness, defence comparison, data card)

Citation

@software{redteam_foundry_2026,
  title  = {redteam-foundry: An adversarial benchmark foundry for LLM safety},
  author = {Cheng-Yuan King},
  year   = {2026},
  url    = {https://github.com/rosscyking1115/redteam-foundry}
}

Licence

MIT — see LICENSE.