https://www.proofagent.ai/community/blog Research, case studies, findings, and tutorials on adversarial AI agent evaluation. en-us Fri, 19 Jun 2026 10:16:50 GMT https://www.proofagent.ai/community/blog/how-to-evaluate-a-langgraph-agent-step-by-step https://www.proofagent.ai/community/blog/how-to-evaluate-a-langgraph-agent-step-by-step Thu, 18 Jun 2026 22:30:56 GMT A step by step guide to evaluating a LangGraph agent: build the LLM, tools, skills, and policy, then run adversarial evaluation with ProofAgent Harness and read the reportA step by step guide to evaluating a LangGraph. https://www.proofagent.ai/community/blog/free-4b-model-audits-claude-opus-4-8-agent https://www.proofagent.ai/community/blog/free-4b-model-audits-claude-opus-4-8-agent Thu, 18 Jun 2026 03:18:42 GMT A free Gemma 3 4B model running locally on a laptop adversarially audited a production-grade Claude Opus 4.8 agent across 100 turns — matching a cloud evaluator within 0.13 and catching a faked tool call. https://www.proofagent.ai/community/blog/proofagent-harness-0-5-1-release-notes https://www.proofagent.ai/community/blog/proofagent-harness-0-5-1-release-notes Tue, 16 Jun 2026 01:09:23 GMT Discover the latest features in the open-source, domain-aware test harness for AI agents. Evaluate agents via adversarial conversations or artifact review with robust scoring. ai-agent-evaluationtest-harnessllm-evaluationai-engineerml-researcherdevopspython-3-10claude-sonnetgpt-4-1-minilite-llmadversarial-testingartifact-reviewzero-tolerancejury-consensusai-safety https://www.proofagent.ai/community/blog/how-to-evaluate-ai-generated-artifacts-business-plans-specs-code-with-proofagent https://www.proofagent.ai/community/blog/how-to-evaluate-ai-generated-artifacts-business-plans-specs-code-with-proofagent Tue, 16 Jun 2026 01:03:21 GMT Learn how to evaluate AI-generated business plans, specs, and code using artifact-based grading. ProofAgent-Harness automates strict, claim-by-claim reviews. ai-artifact-evaluationbusiness-plan-reviewspecification-gradingcode-quality-assessmentai-engineerproduct-managersoftware-architectproofagent-harnessartifact-moderubric-packsdocument-validationground-truth-corpusai-deliverablesllm-evaluationai-safety https://www.proofagent.ai/community/blog/what-claude-opus-4-8-missed-under-300-adversarial-turns- https://www.proofagent.ai/community/blog/what-claude-opus-4-8-missed-under-300-adversarial-turns- Wed, 03 Jun 2026 21:31:24 GMT A 300+ turn adversarial evaluation revealed how Claude Opus 4.8 agents handle operational reliability, safety, and tool-use under real-world pressure. Key gaps emerged. llm-evaluationadversarial-testingai-agentai-engineercompliance-teamhealthcare-ctoclaudecode-generationfinancial-advisorymedical-triagetool-useoperational-safetyai-safetyopus4.8claudeopus48 https://www.proofagent.ai/community/blog/evaluate-your-ai-agent-in-10-lines https://www.proofagent.ai/community/blog/evaluate-your-ai-agent-in-10-lines Wed, 27 May 2026 02:36:30 GMT Learn how to stress test any AI agent in just 10 lines using a configurable harness for adversarial, multi-turn evaluation and evidence-linked reports. No agent rebuild required. ai-agent-testingllm-evaluationadversarial-testingai-engineermlopssecurity-teamclaudegpt-4pythonmulti-turn-evaluationagent-contextchatbot-evaluationcustomer-support-botai-safetyai-evaluation https://www.proofagent.ai/community/blog/proofagent-harness-vs-langsmith-phoenix-deepeval-langfuse https://www.proofagent.ai/community/blog/proofagent-harness-vs-langsmith-phoenix-deepeval-langfuse Sun, 24 May 2026 18:04:46 GMT AI agent evaluation is a multi-layered lifecycle involving pre deployment testing, debugging, regression checks, and production monitoring. This article compares top tools addressing these needs. ai-agent-evaluationpre-deployment-testingregression-testingai-engineerproduct-managerclaude-opus-4-7gpt-5-5langchainagent-debuggingproduction-observability https://www.proofagent.ai/community/blog/when-the-refusal-itself-crashes-a-gpt-5-5-privacy-and-security-agent-case-study https://www.proofagent.ai/community/blog/when-the-refusal-itself-crashes-a-gpt-5-5-privacy-and-security-agent-case-study Sat, 23 May 2026 14:49:13 GMT A privacy and security agent powered by GPT 5.5 resisted 25 turns of adversarial probing without leaking data. Yet, upstream content filters caused refusal delivery failures. privacy-securityai-refusaladversarial-evaluationai-engineersecurity-teamprivacy-opsgpt-5-5gemma-4bharness-llmcontent-filteringprompt-injectiongdpr-complianceaudit-trailllm-safetyai-evaluation https://www.proofagent.ai/community/blog/claude-opus-4-7-failed-tool-trace-test-healthcare-triage https://www.proofagent.ai/community/blog/claude-opus-4-7-failed-tool-trace-test-healthcare-triage Sat, 23 May 2026 03:30:47 GMT Claude Opus 4.7 failed a safety-critical tool-call test in healthcare triage. ProofAgent Harness surfaced the gap, showing why adversarial evaluation is essential for deployment. agent-evaluationadversarial-testingtool-tracehealthcare-ai#claudeopus47#anthropic#aiupdate#claudeai https://www.proofagent.ai/community/blog/2026-trends-in-adversarial-ai-agent-evaluation-the-field-guide https://www.proofagent.ai/community/blog/2026-trends-in-adversarial-ai-agent-evaluation-the-field-guide Fri, 22 May 2026 23:07:17 GMT Why adversarial multi-turn evaluation replaced static benchmarks for production AI agents in 2026. Red teaming, jailbreak patterns, real tool comparison, evidence-based. (158 chars) noreply@proofagent.ai (Dr. Fouad Bousetouane)