databento / dbn

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            "key": "maintainer_resilience",
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                "key": "bus_factor",
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                "detail": "1 contributor(s) cover half of all commits",
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              {
                "key": "commit_distribution",
                "name": "Commit distribution",
                "detail": "top contributor authored 84% of commits",
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                "key": "contributor_breadth",
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                "key": "openssf_scorecard_contributors",
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          },
          {
            "key": "responsiveness",
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            "notes": [],
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              "merged_prs": 104,
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              "issue_closed_ratio": 1,
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                "key": "issue_resolution",
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                "max_points": 46.75
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                "key": "pr_acceptance",
                "name": "PR acceptance",
                "detail": "104/120 decided PRs merged",
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                "key": "openssf_scorecard_code_review",
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          },
          {
            "key": "stewardship",
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            "notes": [],
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              "followers": 365,
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              "is_verified": null,
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            "components": [
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                "key": "ownership_backing",
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                "details": [
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                    "code": "owner_organization",
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                "max_points": 30
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              {
                "key": "verified_domain",
                "name": "Verified domain",
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                "status": "missed",
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                "max_points": 20
              },
              {
                "key": "owner_reach",
                "name": "Owner reach",
                "detail": "365 followers of databento",
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                    "code": "owner_followers",
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                ],
                "max_points": 25
              },
              {
                "key": "track_record",
                "name": "Track record",
                "detail": "7 public repos, account ~6 yr old",
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                "status": "partial",
                "details": [
                  {
                    "code": "public_repos",
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                      "count": 7
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                  {
                    "code": "account_age_years",
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                      "years": 6
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                "max_points": 25
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            ]
          },
          {
            "key": "package_maintenance",
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            "name": "Package maintenance",
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            "notes": [],
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            "inputs": {
              "packages": [
                "databento-dbn"
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              "ecosystems": "pypi",
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              "min_days_since_publish": 6
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            "components": [
              {
                "key": "published_resolvable",
                "name": "Published & resolvable",
                "detail": "1 package(s) on pypi",
                "points": 25,
                "status": "met",
                "details": [
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                    "code": "packages_published",
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                "max_points": 25
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                "key": "publish_recency",
                "name": "Publish recency",
                "detail": "latest publish 6 days ago",
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                "max_points": 35
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              {
                "key": "version_history",
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                "detail": "93 published versions",
                "points": 20,
                "status": "met",
                "details": [
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                    "code": "published_versions",
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                      "count": 93
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                ],
                "max_points": 20
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              {
                "key": "not_deprecated",
                "name": "Not deprecated",
                "detail": "active, not deprecated or yanked",
                "points": 20,
                "status": "met",
                "details": [
                  {
                    "code": "package_not_deprecated",
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                ],
                "max_points": 20
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            ]
          }
        ],
        "description": "Will the project survive its people — bus factor, responsiveness, who backs it, and package upkeep?"
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      {
        "key": "engineering",
        "band": "good",
        "name": "Engineering Quality",
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        "weight": 0.2,
        "metrics": [
          {
            "key": "engineering_practices",
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            "note": null,
            "notes": [],
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            "components": [
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                "key": "ci_workflows",
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                "detail": "2 workflow(s)",
                "points": 24,
                "status": "met",
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                    "code": "ci_workflows",
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                      "count": 2
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                ],
                "max_points": 24
              },
              {
                "key": "tests_present",
                "name": "Tests present",
                "detail": null,
                "points": 24,
                "status": "met",
                "details": [],
                "max_points": 24
              },
              {
                "key": "linter_config",
                "name": "Linter config",
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                "points": 0,
                "status": "missed",
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              },
              {
                "key": "pre_commit_hooks",
                "name": "Pre-commit hooks",
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                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 9.6
              },
              {
                "key": "editorconfig",
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                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 6.4
              },
              {
                "key": "openssf_scorecard_ci_tests",
                "name": "OpenSSF Scorecard: CI-Tests",
                "detail": "3 out of 3 merged PRs checked by a CI test -- score normalized to 10",
                "points": 20,
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                "max_points": 20
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            ]
          },
          {
            "key": "documentation",
            "band": "good",
            "name": "Documentation",
            "note": null,
            "notes": [],
            "value": 75,
            "inputs": {
              "topics": [
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                "low-latency",
                "market-data",
                "rust",
                "serialization",
                "storage",
                "tick-data",
                "zero-copy",
                "zstd"
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              "has_wiki": true,
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              "has_readme": true,
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            "components": [
              {
                "key": "readme",
                "name": "README",
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                "points": 30,
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                "max_points": 30
              },
              {
                "key": "documentation_directory",
                "name": "Documentation directory",
                "detail": null,
                "points": 0,
                "status": "missed",
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              },
              {
                "key": "documentation_homepage_site",
                "name": "Documentation / homepage site",
                "detail": "https://databento.com",
                "points": 15,
                "status": "met",
                "details": [],
                "max_points": 15
              },
              {
                "key": "repository_description",
                "name": "Repository description",
                "detail": null,
                "points": 10,
                "status": "met",
                "details": [],
                "max_points": 10
              },
              {
                "key": "topics",
                "name": "Topics",
                "detail": "11 topics",
                "points": 10,
                "status": "met",
                "details": [
                  {
                    "code": "topics_count",
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                ],
                "max_points": 10
              },
              {
                "key": "wiki",
                "name": "Wiki",
                "detail": null,
                "points": 10,
                "status": "met",
                "details": [],
                "max_points": 10
              }
            ]
          }
        ],
        "description": "Are baseline engineering and documentation practices in place?"
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      {
        "key": "security",
        "band": "at_risk",
        "name": "Security",
        "value": 45,
        "weight": 0.16,
        "metrics": [
          {
            "key": "security_posture",
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            "name": "Security posture",
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            "notes": [
              {
                "code": "excluded_no_data",
                "params": {
                  "components": [
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              },
              {
                "code": "weights_renormalized",
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            "value": 45,
            "inputs": {
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              "checks_evaluated": 17,
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              "checks_inconclusive": 1,
              "scorecard_aggregate": 4.5
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            "components": [
              {
                "key": "binary_artifacts",
                "name": "Binary-Artifacts",
                "detail": "no binaries found in the repo",
                "points": 7.5,
                "status": "met",
                "details": [],
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              {
                "key": "branch_protection",
                "name": "Branch-Protection",
                "detail": "internal error: error during branchesHandler.setup: internal error: some github tokens can't read classic branch protection rules: https://github.com/ossf/scorecard-action/blob/main/docs/authentication/fine-grained-auth-token.md",
                "points": 0,
                "status": "excluded",
                "details": [
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                    "code": "no_data",
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                ],
                "max_points": 7.5
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              {
                "key": "ci_tests",
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              },
              {
                "key": "cii_best_practices",
                "name": "CII-Best-Practices",
                "detail": "no effort to earn an OpenSSF best practices badge detected",
                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 2.5
              },
              {
                "key": "code_review",
                "name": "Code-Review",
                "detail": "Found 3/21 approved changesets -- score normalized to 1",
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              },
              {
                "key": "contributors",
                "name": "Contributors",
                "detail": "project has 2 contributing companies or organizations -- score normalized to 6",
                "points": 1.5,
                "status": "partial",
                "details": [],
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              },
              {
                "key": "dangerous_workflow",
                "name": "Dangerous-Workflow",
                "detail": "no dangerous workflow patterns detected",
                "points": 10,
                "status": "met",
                "details": [],
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              },
              {
                "key": "dependency_update_tool",
                "name": "Dependency-Update-Tool",
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                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 7.5
              },
              {
                "key": "fuzzing",
                "name": "Fuzzing",
                "detail": "project is not fuzzed",
                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 5
              },
              {
                "key": "license",
                "name": "License",
                "detail": "license file detected",
                "points": 2.5,
                "status": "met",
                "details": [],
                "max_points": 2.5
              },
              {
                "key": "maintained",
                "name": "Maintained",
                "detail": "30 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 10",
                "points": 7.5,
                "status": "met",
                "details": [],
                "max_points": 7.5
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              {
                "key": "packaging",
                "name": "Packaging",
                "detail": "packaging workflow detected",
                "points": 5,
                "status": "met",
                "details": [],
                "max_points": 5
              },
              {
                "key": "pinned_dependencies",
                "name": "Pinned-Dependencies",
                "detail": "dependency not pinned by hash detected -- score normalized to 0",
                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 5
              },
              {
                "key": "sast",
                "name": "SAST",
                "detail": "SAST tool is not run on all commits -- score normalized to 0",
                "points": 0,
                "status": "missed",
                "details": [],
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              },
              {
                "key": "security_policy",
                "name": "Security-Policy",
                "detail": "security policy file not detected",
                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 5
              },
              {
                "key": "signed_releases",
                "name": "Signed-Releases",
                "detail": "Project has not signed or included provenance with any releases.",
                "points": 0,
                "status": "missed",
                "details": [],
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              {
                "key": "token_permissions",
                "name": "Token-Permissions",
                "detail": "detected GitHub workflow tokens with excessive permissions",
                "points": 0,
                "status": "missed",
                "details": [],
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              },
              {
                "key": "vulnerabilities",
                "name": "Vulnerabilities",
                "detail": "1 existing vulnerabilities detected",
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                "status": "partial",
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            ]
          },
          {
            "key": "high_risk_jurisdiction_exposure",
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            "note": "Only high-confidence self-published location evidence affects this multiplier. Ambiguous matches are review-only; country evidence is not proof of nationality, citizenship, legal registration, malicious intent, or sanctions status.",
            "notes": [
              {
                "code": "jurisdiction_evidence_limits",
                "params": {}
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            ],
            "value": 100,
            "inputs": {
              "meaning": "self-published location evidence; not nationality or citizenship",
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              "policy_countries": [
                "Russia",
                "Iran",
                "North Korea"
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              "review_only_matches": 0,
              "assessed_self_published_locations": 3
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            "components": [
              {
                "key": "policy_exposure_multiplier",
                "name": "Policy exposure multiplier",
                "detail": "no confirmed policy-scope location match",
                "points": 100,
                "status": "met",
                "details": [
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                    "code": "jurisdiction_no_match",
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                ],
                "max_points": 100
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            ]
          }
        ],
        "description": "Are visible security and supply-chain practices strong, with no malicious dependency and no unresolved high-risk jurisdiction exposure?"
      },
      {
        "key": "ai_readiness",
        "band": "at_risk",
        "name": "AI Readiness",
        "value": 42,
        "weight": 0,
        "metrics": [
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            "key": "ai_agent_context",
            "band": "critical",
            "name": "Agent context & guidance",
            "note": "Excluded from scoring (no data or not applicable): Legible commit history. Remaining weights renormalized.",
            "notes": [
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                "code": "excluded_no_data",
                "params": {
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              },
              {
                "code": "weights_renormalized",
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            "value": 1,
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              "legible_history_share": null,
              "agent_instruction_files": [],
              "agent_instruction_max_bytes": null
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            "components": [
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                "key": "agent_instructions",
                "name": "Agent instructions",
                "detail": "no CLAUDE.md / AGENTS.md / editor rules",
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                "status": "missed",
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                "max_points": 45
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              {
                "key": "machine_readable_docs_llms_txt",
                "name": "Machine-readable docs (llms.txt)",
                "detail": null,
                "points": 0,
                "status": "missed",
                "details": [],
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              },
              {
                "key": "legible_commit_history",
                "name": "Legible commit history",
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                "details": [
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                    "code": "no_data",
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                ],
                "max_points": 40
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            ]
          },
          {
            "key": "ai_verify_loop",
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            "notes": [
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                "code": "excluded_no_data",
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            "value": 52,
            "inputs": {
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            "components": [
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                "key": "one_command_bootstrap",
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                "points": 0,
                "status": "missed",
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              {
                "key": "automated_tests",
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                "points": 0,
                "status": "missed",
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              },
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                "key": "static_type_checking",
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                "status": "met",
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                ],
                "max_points": 11
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                "key": "reproducible_environment",
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                ],
                "max_points": 10
              },
              {
                "key": "demonstrated_agent_practice",
                "name": "Demonstrated agent practice",
                "detail": "no data",
                "points": 0,
                "status": "excluded",
                "details": [
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                    "code": "no_data",
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                ],
                "max_points": 10
              },
              {
                "key": "automated_maintenance",
                "name": "Automated maintenance",
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                "points": 0,
                "status": "excluded",
                "details": [
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                ],
                "max_points": 8
              },
              {
                "key": "openssf_scorecard_pinned_dependencies",
                "name": "OpenSSF Scorecard: Pinned-Dependencies",
                "detail": "dependency not pinned by hash detected -- score normalized to 0",
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                "status": "missed",
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            ]
          },
          {
            "key": "ai_code_legibility",
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            "notes": [],
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            "inputs": {
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            "components": [
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                "key": "type_checkable_code",
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                "status": "met",
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