{
  "markdown": "# qc-validator-mcp\n\nRuntime quality validation for AI agent outputs. Detect hallucinations, enforce scope compliance, and score output quality — all via MCP.\n\n## Install\n\n```bash\nnpx qc-validator-mcp\n```\n\n### Claude Desktop\n\n```json\n{\n  \"mcpServers\": {\n    \"qc-validator\": {\n      \"command\": \"npx\",\n      \"args\": [\"qc-validator-mcp\"]\n    }\n  }\n}\n```\n\n## Tools\n\n### validate_output\nScore agent output against configurable criteria: length limits, required keywords, forbidden patterns, and factual claim density.\n\n```\nParams: output, task_description, criteria { max_length, required_keywords[], forbidden_patterns[], factual_claims_count }\nReturns: { pass, score, issues[], recommendation }\n```\n\n### check_hallucination_risk\nEstimate hallucination likelihood. With source text, checks sentence-level grounding. Without source, flags outputs dense with specific numbers, dates, and URLs.\n\n```\nParams: output, source_text (optional), claim_count (default 5)\nReturns: { risk_level, unsupported_claims[], confidence, suggestion }\n```\n\n### check_scope_compliance\nValidate output against a scope contract — allowed/forbidden topics, word limits, required sections.\n\n```\nParams: output, scope { allowed_topics[], forbidden_topics[], max_words, required_sections[] }\nReturns: { compliant, violations[], scope_utilization_percent }\n```\n\n### log_validation\nStore validation results for per-agent trending.\n\n```\nParams: agent_id, output_hash, score, pass, issues_count\nReturns: { logged, agent_id, total_validations }\n```\n\n### get_failure_patterns\nAnalyze common failure modes for a specific agent.\n\n```\nParams: agent_id\nReturns: { total_validations, pass_rate, avg_score, most_common_issues[], trend }\n```\n\n### generate_quality_report\nQuality dashboard across all validated agents — no parameters required.\n\n```\nReturns: { total_agents, overall_pass_rate, agents[], worst_performers[], best_performers[], recommendations[] }\n```\n\n## Resource\n\n- `qc://dashboard` — Quality metrics for all validated agents\n\n## Architecture\n\n- Pure Node.js ES modules\n- In-memory Maps (no external dependencies)\n- stdio transport via @modelcontextprotocol/sdk\n- Zero configuration required\n\n## License\n\nMIT\n",
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  "repo_slug": "mdfifty50-boop/qc-validator-mcp",
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  "api": "https://agentalog.com/api/listings/mcp_io_github_mdfifty50_boop_qc_validator_15077e35/readme"
}