nwave-ai/nw-agent-testing
nWave/skills/nw-agent-testing/SKILL.md
5-layer testing approach for agent validation including adversarial testing, security validation, and prompt injection resistance
$ install --global
skillsauthnpx skillsauth add nwave-ai/nwave nw-agent-testingInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
Security Scan Results
3 of 9 scanners reported clean
Some scanners were skipped, did not run, or reported a non-clean status. Review each row below.
3
Scanners Passed
9
Scanners in report
Clean
TrivyContainer and dependency vulnerability scanner
95%
Clean
SemgrepStatic code analysis for vulnerabilities
95%
Clean
mcp-scan (Snyk)Model Context Protocol security validation
95%
Skipped
Snyk (dep)Open source security scanning
50%
Skipped
Socket.devSupply chain security analysis
50%
Skipped
VirusTotalMulti-engine malware detection
50%
Skipped
CrowdStrikeAdvanced threat intelligence
50%
Skipped
OSV-ScannerOpen Source Vulnerability database check
50%
Skipped
OWASP Dep-Check
50%
Last scanned: Apr 9, 2026, 2:41 AM4.8s1 file scanned
SKILL.md
- name:
- nw-agent-testing
- description:
- 5-layer testing approach for agent validation including adversarial testing, security validation, and prompt injection resistance
- user-invocable:
- false
- disable-model-invocation:
- true
Agent Testing Framework
5-Layer Testing Approach
Layer 1: Output Quality (Unit-Level)
Validate agent produces correct, well-structured outputs for typical inputs.
Test: Agent follows workflow phases | Outputs match expected format/structure | Domain-specific rules correctly applied | Token efficiency within bounds
How: Manual invocation with representative inputs. Check against acceptance criteria in agent description.
Layer 2: Integration / Handoff Validation
Validate correct input/output between agents in workflows.
Test: Input parsing handles upstream format | Output format matches downstream expectations | Error signals propagate correctly | Subagent mode activation works (skip greet, execute autonomously)
How: End-to-end workflow execution through full agent chain (e.g., DISCUSS -> DESIGN -> DELIVER).
Layer 3: Adversarial Output Validation
Challenge validity of agent outputs rather than accepting at face value.
Test: Source verification (cited sources real and accurate?) | Bias detection (favors one approach without evidence?) | Edge case coverage | Completeness (required sections present?)
How: Peer review by -reviewer agent using structured critique dimensions.
Layer 4: Adversarial Verification (Peer Review)
Independent review to catch biases and blind spots in agent design.
Test: Definition follows validation checklist? | Redundant Claude default instructions? | Over/under-specified? | Could simpler agent achieve same results?
How: @nw-agent-builder validates via 11-point checklist or @agent-builder-reviewer runs structured review.
Layer 5: Security Validation
Test resilience against misuse and prompt injection.
Test: Tool restriction enforcement | maxTurns respected | Permission mode correctly scoped | Agent stays within declared scope
How: Frontmatter fields enforce at platform level. Verify configuration.
Prompt Injection Resistance
Claude Code platform provides injection resistance through: subagent isolation (own context, no sub-subagents) | Tool restriction via frontmatter tools | Permission modes via permissionMode | Hook-based validation (PreToolUse, PostToolUse)
Do NOT add prose-based injection defense. Configure platform features:
---
tools: Read, Glob, Grep # Only tools this agent needs
maxTurns: 30 # Prevents runaway execution
permissionMode: default # User approves dangerous actions
---
Security Validation Checklist
- [ ]
toolsrestricted to minimum necessary (least privilege) - [ ]
maxTurnsset to prevent runaway execution - [ ]
permissionModeappropriate for risk level - [ ] No
Bashunless agent requires command execution - [ ] No
Writeunless agent creates/modifies files - [ ] Description accurately describes scope
- [ ] Subagent mode handles autonomous execution correctly
- [ ] No sensitive data hardcoded in definition
Testing Workflow for New Agents
- Create with minimal definition
- Layer 1: Invoke with 2-3 representative inputs, check outputs
- Layer 2: Run in workflow chain if applicable
- Fix failures observed
- Validate: Run 11-point checklist
- Iterate: Add instructions only for observed failure modes
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