{
  "schema_version": "2026-03-26",
  "id": "rag-engineer",
  "slug": "rag-engineer",
  "display_name": "RAG Engineer",
  "description": "RAG workflow skill. Use this skill when a user needs retrieval pipelines, chunking, ranking, citations, and evaluation for an AI application.",
  "version": "0.0.1",
  "category": "ai-agents",
  "raw_category": "ai-agents",
  "taxonomy": {
    "raw_category": "ai-agents",
    "canonical_category": "ai-agents",
    "inferred_category": "ai-agents",
    "category_source": "frontmatter"
  },
  "tags": [
    "rag",
    "retrieval",
    "embeddings",
    "evaluation",
    "citations",
    "indexing"
  ],
  "complexity": "advanced",
  "risk": "safe",
  "source": "omni-team",
  "author": "Omni Skills Team",
  "dates": {
    "added": "2026-03-27",
    "updated": "2026-03-27"
  },
  "entrypoint": "skills/rag-engineer/SKILL.md",
  "paths": {
    "root": "skills/rag-engineer",
    "manifest": "dist/manifests/rag-engineer.json",
    "metadata": "skills/rag-engineer/metadata.json"
  },
  "compatibility": {
    "tools": [
      "claude-code",
      "cursor",
      "gemini-cli",
      "codex-cli",
      "antigravity",
      "opencode"
    ],
    "install_targets": [
      {
        "tool": "claude-code",
        "scope": "user-global",
        "default_path": "~/.claude/skills",
        "installer_flag": "--claude",
        "current_installer_behavior": "Installs the full Omni Skills library by default. Use --skill or --bundle to install only a selected subset.",
        "invocation": ">> /skill-name help me..."
      },
      {
        "tool": "cursor",
        "scope": "user-global",
        "default_path": "~/.cursor/skills",
        "installer_flag": "--cursor",
        "current_installer_behavior": "Installs the full Omni Skills library by default. Use --skill or --bundle to install only a selected subset.",
        "invocation": "@skill-name"
      },
      {
        "tool": "gemini-cli",
        "scope": "user-global",
        "default_path": "~/.gemini/skills",
        "installer_flag": "--gemini",
        "current_installer_behavior": "Installs the full Omni Skills library by default. Use --skill or --bundle to install only a selected subset.",
        "invocation": "Use @skill-name to..."
      },
      {
        "tool": "codex-cli",
        "scope": "user-global",
        "default_path": "~/.codex/skills",
        "installer_flag": "--codex",
        "current_installer_behavior": "Installs the full Omni Skills library by default. Use --skill or --bundle to install only a selected subset.",
        "invocation": "Use @skill-name to..."
      },
      {
        "tool": "antigravity",
        "scope": "user-global",
        "default_path": "~/.gemini/antigravity/skills",
        "installer_flag": "--antigravity",
        "current_installer_behavior": "Installs the full Omni Skills library by default. Use --skill or --bundle to install only a selected subset.",
        "invocation": "Use @skill-name to... (Agent Mode)"
      },
      {
        "tool": "opencode",
        "scope": "project-local",
        "default_path": ".opencode/skills",
        "installer_flag": "--opencode",
        "current_installer_behavior": "Installs the full Omni Skills library by default. Use --skill or --bundle to install only a selected subset.",
        "invocation": "opencode run @skill-name"
      }
    ]
  },
  "resources": {
    "sub_resources": [
      "agents",
      "examples",
      "references",
      "scripts"
    ],
    "artifacts_count": 8,
    "references_count": 3,
    "agents_count": 1,
    "assets_count": 0
  },
  "dependencies": {
    "skills": [],
    "external": []
  },
  "install": {
    "strategy": "copy-skill-directory",
    "current_installer": "npx omni-skills installs the full library by default today, and also supports selective installation with --skill and --bundle.",
    "recipes": [
      {
        "tool": "claude-code",
        "command": "npx omni-skills --claude",
        "scope": "user-global",
        "default_path": "~/.claude/skills",
        "behavior": "Installs the full Omni Skills library by default. Use --skill or --bundle to install only a selected subset."
      },
      {
        "tool": "cursor",
        "command": "npx omni-skills --cursor",
        "scope": "user-global",
        "default_path": "~/.cursor/skills",
        "behavior": "Installs the full Omni Skills library by default. Use --skill or --bundle to install only a selected subset."
      },
      {
        "tool": "gemini-cli",
        "command": "npx omni-skills --gemini",
        "scope": "user-global",
        "default_path": "~/.gemini/skills",
        "behavior": "Installs the full Omni Skills library by default. Use --skill or --bundle to install only a selected subset."
      },
      {
        "tool": "codex-cli",
        "command": "npx omni-skills --codex",
        "scope": "user-global",
        "default_path": "~/.codex/skills",
        "behavior": "Installs the full Omni Skills library by default. Use --skill or --bundle to install only a selected subset."
      },
      {
        "tool": "antigravity",
        "command": "npx omni-skills --antigravity",
        "scope": "user-global",
        "default_path": "~/.gemini/antigravity/skills",
        "behavior": "Installs the full Omni Skills library by default. Use --skill or --bundle to install only a selected subset."
      },
      {
        "tool": "opencode",
        "command": "npx omni-skills --opencode",
        "scope": "project-local",
        "default_path": ".opencode/skills",
        "behavior": "Installs the full Omni Skills library by default. Use --skill or --bundle to install only a selected subset."
      }
    ]
  },
  "classification": {
    "maturity": {
      "skill_level": 3,
      "skill_level_label": "resources",
      "has_scripts": true,
      "has_extra_files": true
    },
    "best_practices": {
      "score": 99,
      "tier": "excellent",
      "signals": {
        "workflow_steps_count": 5,
        "workflow_section_length": 710,
        "when_to_use_section_length": 324,
        "best_practices_items_count": 5,
        "best_practices_section_length": 407,
        "troubleshooting_items_count": 0,
        "troubleshooting_section_length": 916,
        "resources_items_count": 5,
        "resources_section_length": 310,
        "examples_section_length": 1156,
        "examples_code_blocks_count": 8,
        "related_skills_section_length": 341,
        "decision_assets_count": 10,
        "table_count": 7,
        "linked_resource_families_count": 4,
        "linked_resource_families": [
          "agents",
          "examples",
          "references",
          "scripts"
        ],
        "support_links_count": 5,
        "support_files_count": 6,
        "references_files_count": 3,
        "scripts_files_count": 1,
        "examples_files_count": 1,
        "agents_files_count": 1,
        "assets_files_count": 0,
        "tools_count": 6,
        "tags_count": 6,
        "body_density": 6.48
      }
    },
    "quality": {
      "score": 97,
      "tier": "platinum",
      "breakdown": {
        "body": 16,
        "description": 10,
        "metadata": 12,
        "recency": 8,
        "resources": 10,
        "best_practices": 10,
        "semantic_depth": 16,
        "operational_depth": 10,
        "support_pack": 10
      }
    },
    "security": {
      "score": 95,
      "tier": "review",
      "status": "passed",
      "findings_count": 0,
      "findings": [],
      "signals": {
        "scanned_files": 7,
        "script_files": 1,
        "binary_like_files": 0
      },
      "scanners": {
        "static": {
          "enabled": true,
          "status": "completed"
        },
        "clamav": {
          "enabled": true,
          "status": "completed",
          "provider": "clamav",
          "detections": [],
          "infected_files": 0
        },
        "virustotal": {
          "enabled": true,
          "status": "completed",
          "provider": "virustotal",
          "lookups": 1,
          "positives": 0,
          "results": [
            {
              "path": "skills/rag-engineer/scripts/render_rag_review.py",
              "sha256": "26b4f49155f5bc02998c2d18b142695a1183903170b8c9a6247c585e7301ec18",
              "status": "not_found"
            }
          ],
          "details": "Hash lookups only. Unknown files are not uploaded during validation."
        }
      }
    },
    "validation": {
      "errors": [],
      "warnings": [],
      "status": "passed"
    }
  },
  "content": {
    "body_length": 5882,
    "content_length": 6377,
    "body_lines": 119,
    "word_count": 771,
    "has_code_blocks": true,
    "typed_code_blocks_count": 2,
    "has_examples_section": true,
    "example_count": 4,
    "has_workflow_section": true,
    "has_when_to_use_section": true,
    "has_best_practices_section": true,
    "has_troubleshooting_section": true,
    "problem_count": 3,
    "troubleshooting_pairs_count": 2,
    "has_additional_resources_section": true,
    "has_related_skills_section": true,
    "related_skills_count": 3,
    "has_local_support_links": true,
    "local_support_links_count": 4,
    "has_local_script_example": true,
    "local_script_example_count": 1,
    "semantic_signals": {
      "workflow_steps_count": 5,
      "workflow_section_length": 710,
      "when_to_use_section_length": 324,
      "best_practices_items_count": 5,
      "best_practices_section_length": 407,
      "troubleshooting_items_count": 0,
      "troubleshooting_section_length": 916,
      "resources_items_count": 5,
      "resources_section_length": 310,
      "examples_section_length": 1156,
      "examples_code_blocks_count": 8,
      "related_skills_section_length": 341,
      "decision_assets_count": 10,
      "table_count": 7,
      "linked_resource_families_count": 4,
      "linked_resource_families": [
        "agents",
        "examples",
        "references",
        "scripts"
      ],
      "support_links_count": 5,
      "support_files_count": 6,
      "references_files_count": 3,
      "scripts_files_count": 1,
      "examples_files_count": 1,
      "agents_files_count": 1,
      "assets_files_count": 0,
      "tools_count": 6,
      "tags_count": 6,
      "body_density": 6.48
    }
  },
  "artifacts": [
    {
      "path": "skills/rag-engineer/SKILL.md",
      "kind": "entrypoint",
      "size_bytes": 6393,
      "sha256": "552bd8a89603398bea716ed95bfbf0883812e2bd8a33e9722c7527af07f41957"
    },
    {
      "path": "skills/rag-engineer/metadata.json",
      "kind": "support",
      "size_bytes": 6020,
      "sha256": "8eac10f972b7eaa7d18573a20f0ef1f93ed7ff470da8fcb1cb4510deb1406fc4"
    },
    {
      "path": "skills/rag-engineer/agents/openai.yaml",
      "kind": "agent",
      "size_bytes": 249,
      "sha256": "d2fc07fd5db9a136851c210a155dd7e00c34c651369580f3995d9fba9e4287a3"
    },
    {
      "path": "skills/rag-engineer/examples/grounding-scorecard.md",
      "kind": "support",
      "size_bytes": 498,
      "sha256": "8df232191238704199e73d88f6eee817776920ce749a4ec30ef4b3eccc79d23e"
    },
    {
      "path": "skills/rag-engineer/references/checklist.md",
      "kind": "reference",
      "size_bytes": 1068,
      "sha256": "a0046f529b1bb91fa3e4027c2ba9a0b508f9787905daf372e7e04d9e9b7ca9d0"
    },
    {
      "path": "skills/rag-engineer/references/citation-contract-rubric.md",
      "kind": "reference",
      "size_bytes": 430,
      "sha256": "f8ff26c2960769b0747caa698dae1cc1029a9650362af654c8a71bfa594362b9"
    },
    {
      "path": "skills/rag-engineer/references/retrieval-evaluation-worksheet.md",
      "kind": "reference",
      "size_bytes": 185,
      "sha256": "8410dac1c59565b8b5264df021aa7e47d7c187e1560c2f8f9965c029ade42c22"
    },
    {
      "path": "skills/rag-engineer/scripts/render_rag_review.py",
      "kind": "support",
      "size_bytes": 1052,
      "sha256": "26b4f49155f5bc02998c2d18b142695a1183903170b8c9a6247c585e7301ec18"
    }
  ],
  "archives": [
    {
      "format": "zip",
      "path": "dist/archives/rag-engineer.zip",
      "file_name": "rag-engineer.zip",
      "size_bytes": 17139,
      "sha256": "aee5ab4ee705ebb4109ad05fea7c4061cd1045f7577d935a99be4ce8a3c28a2f",
      "signature": {
        "status": "signed",
        "path": "dist/archives/rag-engineer.zip.sig",
        "sha256": "72764c2a2bf51af51694fc4a07beb8b170359eec20dbf6d38e2bc9cffe20a6f8",
        "public_key_path": "dist/signing/omni-skills-public.pem",
        "algorithm": "sha256",
        "verify_command": "openssl dgst -sha256 -verify dist/signing/omni-skills-public.pem -signature dist/archives/rag-engineer.zip.sig dist/archives/rag-engineer.zip"
      }
    },
    {
      "format": "tar.gz",
      "path": "dist/archives/rag-engineer.tar.gz",
      "file_name": "rag-engineer.tar.gz",
      "size_bytes": 30743,
      "sha256": "f73ae518e82ce60030c38a4fc52ac4ecfa472fede2a739e1555802546ecf7ef6",
      "signature": {
        "status": "signed",
        "path": "dist/archives/rag-engineer.tar.gz.sig",
        "sha256": "eee5e95e1760bd11477cf2294ea3f5422f7aa76763394a80130d1e8723832a80",
        "public_key_path": "dist/signing/omni-skills-public.pem",
        "algorithm": "sha256",
        "verify_command": "openssl dgst -sha256 -verify dist/signing/omni-skills-public.pem -signature dist/archives/rag-engineer.tar.gz.sig dist/archives/rag-engineer.tar.gz"
      }
    }
  ],
  "archive_checksums": {
    "path": "dist/archives/rag-engineer.checksums.txt",
    "file_name": "rag-engineer.checksums.txt",
    "sha256": "3fc5fbfd5d8e9c9568d4e560ad69b83635acbc54dc878fa4b797a0dbd42e89f8",
    "signature": {
      "status": "signed",
      "path": "dist/archives/rag-engineer.checksums.txt.sig",
      "sha256": "4da06d0ee0eeb909930366a49eb17c4d33e01e60926a07d608cae1d46684c297",
      "public_key_path": "dist/signing/omni-skills-public.pem",
      "algorithm": "sha256",
      "verify_command": "openssl dgst -sha256 -verify dist/signing/omni-skills-public.pem -signature dist/archives/rag-engineer.checksums.txt.sig dist/archives/rag-engineer.checksums.txt"
    }
  },
  "checksums": {
    "entrypoint_sha256": "552bd8a89603398bea716ed95bfbf0883812e2bd8a33e9722c7527af07f41957",
    "package_sha256": "7f87f0fd7356281c482322158aa18e9389fdb1ad64abac30398f4c78fd8addd1"
  }
}
