{
  "schema_version": "2026-03-26",
  "id": "data-contracts",
  "slug": "data-contracts",
  "display_name": "Data Contracts",
  "description": "Data contracts workflow skill. Use this skill when a team needs to define, review, or enforce contracts across producers, pipelines, warehouses, analytics layers, and consumer-facing metrics.",
  "version": "0.0.1",
  "category": "data-ai",
  "raw_category": "data-ai",
  "taxonomy": {
    "raw_category": "data-ai",
    "canonical_category": "data-ai",
    "inferred_category": "data-ai",
    "category_source": "frontmatter"
  },
  "tags": [
    "data-contracts",
    "analytics",
    "schemas",
    "pipelines",
    "warehouse",
    "metrics"
  ],
  "complexity": "advanced",
  "risk": "safe",
  "source": "omni-team",
  "author": "Omni Skills Team",
  "dates": {
    "added": "2026-03-28",
    "updated": "2026-03-28"
  },
  "entrypoint": "skills/data-contracts/SKILL.md",
  "paths": {
    "root": "skills/data-contracts",
    "manifest": "dist/manifests/data-contracts.json",
    "metadata": "skills/data-contracts/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": 7,
    "references_count": 2,
    "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": 97,
      "tier": "excellent",
      "signals": {
        "workflow_steps_count": 5,
        "workflow_section_length": 552,
        "when_to_use_section_length": 460,
        "best_practices_items_count": 6,
        "best_practices_section_length": 430,
        "troubleshooting_items_count": 0,
        "troubleshooting_section_length": 901,
        "resources_items_count": 4,
        "resources_section_length": 259,
        "examples_section_length": 890,
        "examples_code_blocks_count": 6,
        "related_skills_section_length": 317,
        "decision_assets_count": 9,
        "table_count": 7,
        "linked_resource_families_count": 4,
        "linked_resource_families": [
          "agents",
          "examples",
          "references",
          "scripts"
        ],
        "support_links_count": 4,
        "support_files_count": 5,
        "references_files_count": 2,
        "scripts_files_count": 1,
        "examples_files_count": 1,
        "agents_files_count": 1,
        "assets_files_count": 0,
        "tools_count": 6,
        "tags_count": 6,
        "body_density": 6.47
      }
    },
    "quality": {
      "score": 95,
      "tier": "platinum",
      "breakdown": {
        "body": 16,
        "description": 10,
        "metadata": 12,
        "recency": 8,
        "resources": 10,
        "best_practices": 9,
        "semantic_depth": 16,
        "operational_depth": 10,
        "support_pack": 10
      }
    },
    "security": {
      "score": 95,
      "tier": "review",
      "status": "passed",
      "findings_count": 0,
      "findings": [],
      "signals": {
        "scanned_files": 6,
        "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/data-contracts/scripts/render_data_contract_packet.py",
              "sha256": "c7be2df90011ce37c877408dc2c59b65d3294c94d4fa80798b3a4df0bf8af51e",
              "status": "not_found"
            }
          ],
          "details": "Hash lookups only. Unknown files are not uploaded during validation."
        }
      }
    },
    "validation": {
      "errors": [],
      "warnings": [],
      "status": "passed"
    }
  },
  "content": {
    "body_length": 5677,
    "content_length": 6228,
    "body_lines": 115,
    "word_count": 744,
    "has_code_blocks": true,
    "typed_code_blocks_count": 1,
    "has_examples_section": true,
    "example_count": 3,
    "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": 3,
    "has_local_script_example": true,
    "local_script_example_count": 0,
    "semantic_signals": {
      "workflow_steps_count": 5,
      "workflow_section_length": 552,
      "when_to_use_section_length": 460,
      "best_practices_items_count": 6,
      "best_practices_section_length": 430,
      "troubleshooting_items_count": 0,
      "troubleshooting_section_length": 901,
      "resources_items_count": 4,
      "resources_section_length": 259,
      "examples_section_length": 890,
      "examples_code_blocks_count": 6,
      "related_skills_section_length": 317,
      "decision_assets_count": 9,
      "table_count": 7,
      "linked_resource_families_count": 4,
      "linked_resource_families": [
        "agents",
        "examples",
        "references",
        "scripts"
      ],
      "support_links_count": 4,
      "support_files_count": 5,
      "references_files_count": 2,
      "scripts_files_count": 1,
      "examples_files_count": 1,
      "agents_files_count": 1,
      "assets_files_count": 0,
      "tools_count": 6,
      "tags_count": 6,
      "body_density": 6.47
    }
  },
  "artifacts": [
    {
      "path": "skills/data-contracts/SKILL.md",
      "kind": "entrypoint",
      "size_bytes": 6238,
      "sha256": "95effc5876b3200ff67744c36f9b23035bf00b3640e831d3d4db8da03885098a"
    },
    {
      "path": "skills/data-contracts/metadata.json",
      "kind": "support",
      "size_bytes": 6055,
      "sha256": "fea021afbcc992bc7a1eb124ace98d74fe1f07c25e263ab30e80ad9a7e2355ac"
    },
    {
      "path": "skills/data-contracts/agents/openai.yaml",
      "kind": "agent",
      "size_bytes": 273,
      "sha256": "978e9a1d5fb592daf55839c54b9b5e9e170cf4015882b600ca00a9e2aec46fc9"
    },
    {
      "path": "skills/data-contracts/examples/contract-review-example.md",
      "kind": "support",
      "size_bytes": 535,
      "sha256": "e2c2119e9ea1d997c5096ec84b897ab95d696b973b89d02e26b337b194b4d775"
    },
    {
      "path": "skills/data-contracts/references/checklist.md",
      "kind": "reference",
      "size_bytes": 451,
      "sha256": "34e7dd672cbe797c785a5db61631e9deb31793057d257b54bb70e87c9654778f"
    },
    {
      "path": "skills/data-contracts/references/schema-change-worksheet.md",
      "kind": "reference",
      "size_bytes": 399,
      "sha256": "e13e7e5e14a5b7a6927369de6903f192d6fbd5a599c5cf13d8e51eafbec3f8df"
    },
    {
      "path": "skills/data-contracts/scripts/render_data_contract_packet.py",
      "kind": "support",
      "size_bytes": 1218,
      "sha256": "c7be2df90011ce37c877408dc2c59b65d3294c94d4fa80798b3a4df0bf8af51e"
    }
  ],
  "archives": [
    {
      "format": "zip",
      "path": "dist/archives/data-contracts.zip",
      "file_name": "data-contracts.zip",
      "size_bytes": 16277,
      "sha256": "df62ac3ded71b08c96cd8ee23bffb52c22a3132190829e3a336055af2190a8d4",
      "signature": {
        "status": "signed",
        "path": "dist/archives/data-contracts.zip.sig",
        "sha256": "66d6a0318dd6eed1444e5e6c501c942da69998607eda6980b0f9a2f128c7c277",
        "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/data-contracts.zip.sig dist/archives/data-contracts.zip"
      }
    },
    {
      "format": "tar.gz",
      "path": "dist/archives/data-contracts.tar.gz",
      "file_name": "data-contracts.tar.gz",
      "size_bytes": 30743,
      "sha256": "adc665c2bbae5136981ed56d08186c7fd0c00ec3a82971e6006c6168eb9d6ba0",
      "signature": {
        "status": "signed",
        "path": "dist/archives/data-contracts.tar.gz.sig",
        "sha256": "d36b4834c0a8bf7d5e21d2dd86b78c50b53c054c91ae9dfe59be694efd1402e3",
        "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/data-contracts.tar.gz.sig dist/archives/data-contracts.tar.gz"
      }
    }
  ],
  "archive_checksums": {
    "path": "dist/archives/data-contracts.checksums.txt",
    "file_name": "data-contracts.checksums.txt",
    "sha256": "99202fc5e2ccc9d5dfe9d75e199ec10833117a629df5d9572dd1b1c1bd541138",
    "signature": {
      "status": "signed",
      "path": "dist/archives/data-contracts.checksums.txt.sig",
      "sha256": "2b6ca200ccbbf9900ad07a165a77f82cd2b2070d037adf04e46af7605a5fec8c",
      "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/data-contracts.checksums.txt.sig dist/archives/data-contracts.checksums.txt"
    }
  },
  "checksums": {
    "entrypoint_sha256": "95effc5876b3200ff67744c36f9b23035bf00b3640e831d3d4db8da03885098a",
    "package_sha256": "861afbea0624cd256f944143f0d8593a805faa881f79737407c5d6f1fad6321b"
  }
}
