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pytest for AI agents -- test, score, and harden before production

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Install

pip install crucible-security

Quick Start

crucible init --target https://my-agent.com/api/chat
crucible scan --target https://my-agent.com/api/chat
crucible report crucible-report.json

One command. 90 attacks. Beautiful report.

Why Crucible?

• Automated red-teaming -- 90 real attack payloads run in under 60 seconds, not weeks of manual testing
• OWASP-aligned -- maps every attack to the OWASP Top 10 for LLM Applications and OWASP Agentic Top 10
• CI/CD native -- crucible scan --output json pipes into any pipeline; fail builds on low grades

Modules

Module	Attacks	Status	OWASP Coverage
Prompt Injection	50	Live	LLM01, LLM07
Goal Hijacking	20	Live	Agentic #1
Jailbreaks	20	Live	LLM01, LLM06
Tool Misuse	--	Coming	Agentic #3
Identity Abuse	--	Coming	Agentic #4
Memory Poisoning	--	Coming	Agentic #5
Data Exfiltration	--	Coming	LLM06
Hallucination	--	Coming	LLM09

OWASP Agentic Top 10 Coverage

#	Category	Crucible Module	Status
1	Goal Hijacking	goal_hijacking	Covered (20 attacks)
2	Prompt Injection	prompt_injection	Covered (50 attacks)
3	Tool Misuse	--	Planned
4	Identity Abuse	--	Planned
5	Memory Poisoning	--	Planned
6	Data Exfiltration	prompt_injection	Partial (via PI-005, PI-006)
7	Scope Violation	--	Planned
8	Cascading Failure	--	Planned
9	Supply Chain	--	Planned
10	Rogue Agent	--	Planned

Supported Providers

Provider	Tested
OpenAI (GPT-4, GPT-4o)	Yes
Anthropic (Claude)	Yes
Groq (Llama, Mixtral)	Yes
Custom HTTP endpoint	Yes

Scoring System

Score starts at 100 and deducts per vulnerability found:

Severity	Deduction
CRITICAL	-20 points
HIGH	-10 points
MEDIUM	-5 points
LOW	-2 points

Grade	Score Range
A	90 -- 100
B	75 -- 89
C	60 -- 74
D	40 -- 59
F	Below 40

CLI Reference

# Generate config
crucible init --target URL --provider openai --key sk-xxx

# Run a full scan
crucible scan \
  --target https://my-agent.com/api/chat \
  --name "My ChatBot" \
  --header "Authorization: Bearer sk-xxx" \
  --timeout 30 \
  --concurrency 5

# JSON output for CI/CD
crucible scan --target URL --output json > report.json

# Re-render a saved report
crucible report report.json

CI/CD Integration

# .github/workflows/security.yml
- name: Security Scan
  run: |
    pip install crucible-security
    crucible scan \
      --target ${{ secrets.AGENT_URL }} \
      --header "Authorization: Bearer ${{ secrets.AGENT_KEY }}" \
      --output json > crucible-report.json

- name: Check Grade
  run: |
    grade=$(python -c "import json; print(json.load(open('crucible-report.json'))['grade'])")
    if [ "$grade" = "F" ] || [ "$grade" = "D" ]; then
      echo "Security grade $grade -- failing pipeline"
      exit 1
    fi

Architecture

crucible/
  models.py             # Pydantic data models
  cli.py                # Typer CLI (init, scan, report)
  attacks/
    base.py             # BaseAttack ABC
    prompt_injection.py # 50 attack vectors
    goal_hijacking.py   # 20 attack vectors
    jailbreaks.py       # 20 attack vectors
  modules/
    base.py             # BaseModule ABC
    security.py         # Module registry
  core/
    runner.py           # Async parallel scan engine (anyio)
    scorer.py           # Deduction-based scoring + grading
  reporters/
    base.py             # BaseReporter ABC
    terminal.py         # Rich terminal renderer
    json_reporter.py    # JSON file exporter

Contributing

See CONTRIBUTING.md for setup, adding attacks, and PR requirements.

We're looking for contributors who go beyond the issue. The best PRs fix what wasn't reported.

License

Apache 2.0 -- see LICENSE.

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