{
 "meta": {
  "name": "gin-gonic/gin",
  "url": "https://github.com/gin-gonic/gin",
  "slug": "gin-gonic-gin",
  "host": "github.com",
  "commit": "0f09c3a9b4626d9fe9979cf4d0521d6ae32ab646",
  "committed_at": "2026-10-10T12:20:35+08:00",
  "evaluated_at": "2026-10-12T12:01:04+00:00",
  "neosloc": "0.8.0"
 },
 "report": {
  "schema_version": 2,
  "target": "https://github.com/gin-gonic/gin",
  "inventory": {
   "files": 130,
   "source_files": 58,
   "source_tokens": 56252,
   "languages": {
    "go": 56252
   },
   "git": true
  },
  "surfaces": {
   "kinds": [
    "service",
    "library"
   ],
   "evidence": {
    "service": [
     {
      "path": "binding/form_mapping.go",
      "detail": "go-http: 8 route declarations"
     }
    ],
    "library": [
     {
      "path": "go.mod",
      "detail": "Go module with exported packages"
     }
    ]
   },
   "long_running": [],
   "owns_data": [
    {
     "path": "go.mod",
     "detail": "1 match"
    }
   ],
   "uses_credentials": []
  },
  "dimensions": [
   {
    "key": "interface",
    "title": "Interface surface",
    "level": 3,
    "rationale": "[library] The public API is statically typed (py.typed, type declarations, a typed language).",
    "evidence": [
     {
      "signal": "L1 importable",
      "detail": "Go module with exported packages",
      "path": "go.mod",
      "weight": 1
     },
     {
      "signal": "L2 public-api",
      "detail": "exported identifiers",
      "path": "go.mod",
      "weight": 1
     },
     {
      "signal": "L3 typed",
      "detail": "statically typed language",
      "path": "go.mod",
      "weight": 1
     }
    ],
    "metrics": {
     "route_declarations": 8,
     "routes_by_framework": {
      "go-http": 8
     },
     "spec_files": 0,
     "spec_operations": 0,
     "spec_coverage": null
    },
    "gaps": [
     "[service] L2 A contract exists: a checked-in OpenAPI/GraphQL/protobuf/AsyncAPI spec, a framework-generated spec, MCP tool schemas, or a standard application protocol that off-the-shelf clients speak (RESP, MQTT, gRPC, PostgreSQL wire, \u2026). (no machine-readable contract)",
     "[library] L4 An API reference is generated from the code (autodoc, mkdocstrings, typedoc, \u2026). (no generated API reference)"
    ],
    "question": "Can another program use it through a documented, machine-readable surface?",
    "best_surface": "library",
    "surfaces": {
     "service": {
      "level": 1,
      "first_missing": "contract",
      "requirements": [
       {
        "level": 1,
        "id": "routes",
        "text": "A network surface exists: HTTP routes, an MCP server, or a standard protocol listener.",
        "met": true,
        "evidence": [
         {
          "path": "binding/form_mapping.go",
          "detail": "go-http: 8 route declarations"
         }
        ],
        "note": ""
       },
       {
        "level": 2,
        "id": "contract",
        "text": "A contract exists: a checked-in OpenAPI/GraphQL/protobuf/AsyncAPI spec, a framework-generated spec, MCP tool schemas, or a standard application protocol that off-the-shelf clients speak (RESP, MQTT, gRPC, PostgreSQL wire, \u2026).",
        "met": false,
        "evidence": [],
        "note": "no machine-readable contract"
       },
       {
        "level": 3,
        "id": "coverage",
        "text": "A contract covers its transport: an HTTP contract covers at least 80% of declared routes (generated contracts do), or the application layer over a standard protocol (commands, topics, payloads) is specified in a protocol document or AsyncAPI.",
        "met": false,
        "evidence": [],
        "note": "no contract"
       },
       {
        "level": 4,
        "id": "second-surface",
        "text": "A second surface: another transport (HTTP and a protocol, two protocols), an MCP server, a CLI with JSON output, or an SDK.",
        "met": false,
        "evidence": [],
        "note": "only one programmatic surface"
       }
      ]
     },
     "library": {
      "level": 3,
      "first_missing": "api-reference",
      "requirements": [
       {
        "level": 1,
        "id": "importable",
        "text": "An importable, packaged API exists.",
        "met": true,
        "evidence": [
         {
          "path": "go.mod",
          "detail": "Go module with exported packages"
         }
        ],
        "note": ""
       },
       {
        "level": 2,
        "id": "public-api",
        "text": "The public API is delimited (__all__, an exports map, exported identifiers).",
        "met": true,
        "evidence": [
         {
          "path": "go.mod",
          "detail": "exported identifiers"
         }
        ],
        "note": ""
       },
       {
        "level": 3,
        "id": "typed",
        "text": "The public API is statically typed (py.typed, type declarations, a typed language).",
        "met": true,
        "evidence": [
         {
          "path": "go.mod",
          "detail": "statically typed language"
         }
        ],
        "note": ""
       },
       {
        "level": 4,
        "id": "api-reference",
        "text": "An API reference is generated from the code (autodoc, mkdocstrings, typedoc, \u2026).",
        "met": false,
        "evidence": [],
        "note": "no generated API reference"
       }
      ]
     }
    },
    "level_name": "solid",
    "applicable": true
   },
   {
    "key": "stability",
    "title": "Contract stability",
    "level": 2,
    "rationale": "A changelog exists and marks breaking changes.",
    "evidence": [
     {
      "signal": "L1 versioned-releases",
      "detail": "36 semver tags, latest v1.12.0",
      "path": null,
      "weight": 1
     },
     {
      "signal": "L2 changelog",
      "detail": "marks breaking changes",
      "path": "CHANGELOG.md",
      "weight": 1
     }
    ],
    "metrics": {},
    "gaps": [
     "L3 A deprecation mechanism is used in code (warnings, @deprecated, Deprecation/Sunset headers) or the API is versioned. (no deprecation mechanism or API versioning)"
    ],
    "question": "Can integrators rely on it not changing under them?",
    "best_surface": "all",
    "surfaces": {
     "all": {
      "level": 2,
      "first_missing": "deprecation",
      "requirements": [
       {
        "level": 1,
        "id": "versioned-releases",
        "text": "Releases are versioned (semver tags or versioned changelog sections).",
        "met": true,
        "evidence": [
         {
          "path": null,
          "detail": "36 semver tags, latest v1.12.0"
         }
        ],
        "note": ""
       },
       {
        "level": 2,
        "id": "changelog",
        "text": "A changelog exists and marks breaking changes.",
        "met": true,
        "evidence": [
         {
          "path": "CHANGELOG.md",
          "detail": "marks breaking changes"
         }
        ],
        "note": ""
       },
       {
        "level": 3,
        "id": "deprecation",
        "text": "A deprecation mechanism is used in code (warnings, @deprecated, Deprecation/Sunset headers) or the API is versioned.",
        "met": false,
        "evidence": [],
        "note": "no deprecation mechanism or API versioning"
       },
       {
        "level": 4,
        "id": "clean-history",
        "text": "Across tagged releases, no OpenAPI operation, CLI option or __all__ symbol was removed without first being deprecated.",
        "met": true,
        "evidence": [
         {
          "path": null,
          "detail": "20 tagged releases compared"
         }
        ],
        "note": ""
       }
      ]
     }
    },
    "level_name": "partial",
    "applicable": true
   },
   {
    "key": "events",
    "title": "Events",
    "level": 2,
    "rationale": "Webhooks sent by this system, or a streaming endpoint (SSE, WebSocket).",
    "evidence": [
     {
      "signal": "L1 internal-events",
      "detail": "2 matches",
      "path": "context.go",
      "weight": 1
     },
     {
      "signal": "L2 outbound",
      "detail": "2 matches",
      "path": "context.go",
      "weight": 1
     }
    ],
    "metrics": {},
    "gaps": [
     "L3 Signed webhooks registrable through the API, or two mechanisms (webhooks, streams, a broker). (one delivery mechanism, or webhooks that are unsigned or not registrable through the API)"
    ],
    "question": "Can others react to state changes without polling?",
    "best_surface": "service",
    "surfaces": {
     "service": {
      "level": 2,
      "first_missing": "robust-delivery",
      "requirements": [
       {
        "level": 1,
        "id": "internal-events",
        "text": "Internal events exist (signals, queues, an outbox, emitters).",
        "met": true,
        "evidence": [
         {
          "path": "context.go",
          "detail": "2 matches"
         }
        ],
        "note": ""
       },
       {
        "level": 2,
        "id": "outbound",
        "text": "Webhooks sent by this system, or a streaming endpoint (SSE, WebSocket).",
        "met": true,
        "evidence": [
         {
          "path": "context.go",
          "detail": "2 matches"
         }
        ],
        "note": ""
       },
       {
        "level": 3,
        "id": "robust-delivery",
        "text": "Signed webhooks registrable through the API, or two mechanisms (webhooks, streams, a broker).",
        "met": false,
        "evidence": [],
        "note": "one delivery mechanism, or webhooks that are unsigned or not registrable through the API"
       },
       {
        "level": 4,
        "id": "event-contract",
        "text": "Events are described by AsyncAPI or CloudEvents.",
        "met": false,
        "evidence": [],
        "note": "no AsyncAPI or CloudEvents contract"
       }
      ]
     }
    },
    "level_name": "partial",
    "applicable": true
   },
   {
    "key": "identity",
    "title": "Identity",
    "level": 0,
    "rationale": "Not yet: Programmatic authentication (bearer tokens, API keys).",
    "evidence": [],
    "metrics": {},
    "gaps": [
     "L1 Programmatic authentication (bearer tokens, API keys). (no token auth)"
    ],
    "question": "Can a machine act with its own revocable, least-privilege identity?",
    "best_surface": "service",
    "surfaces": {
     "service": {
      "level": 0,
      "first_missing": "token-auth",
      "requirements": [
       {
        "level": 1,
        "id": "token-auth",
        "text": "Programmatic authentication (bearer tokens, API keys).",
        "met": false,
        "evidence": [],
        "note": "no token auth"
       },
       {
        "level": 2,
        "id": "managed-credentials",
        "text": "Per-client, revocable credentials (managed API keys, service accounts) or OAuth2.",
        "met": false,
        "evidence": [],
        "note": "no managed keys or OAuth"
       },
       {
        "level": 3,
        "id": "scopes",
        "text": "Credentials carry scopes or permissions.",
        "met": false,
        "evidence": [],
        "note": "no scopes or permissions"
       },
       {
        "level": 4,
        "id": "federation",
        "text": "Standard provisioning or federation (OIDC client credentials, SCIM).",
        "met": false,
        "evidence": [],
        "note": "no OIDC client credentials or SCIM"
       }
      ]
     }
    },
    "level_name": "absent",
    "applicable": true
   },
   {
    "key": "portability",
    "title": "Data portability",
    "level": 0,
    "rationale": "Not yet: The data schema is explicit (migrations, DDL, schema files).",
    "evidence": [],
    "metrics": {},
    "gaps": [
     "L1 The data schema is explicit (migrations, DDL, schema files). (no migrations or schema files)"
    ],
    "question": "Can its data get in and out, in bulk, in open formats, with an explicit schema?",
    "best_surface": "all",
    "surfaces": {
     "all": {
      "level": 0,
      "first_missing": "schema",
      "requirements": [
       {
        "level": 1,
        "id": "schema",
        "text": "The data schema is explicit (migrations, DDL, schema files).",
        "met": false,
        "evidence": [],
        "note": "no migrations or schema files"
       },
       {
        "level": 2,
        "id": "export",
        "text": "An export exists (endpoint or command, not only the UI).",
        "met": false,
        "evidence": [],
        "note": "no export"
       },
       {
        "level": 3,
        "id": "bulk-open",
        "text": "A bulk export in an open format, and a bulk import.",
        "met": false,
        "evidence": [],
        "note": "no open export format"
       },
       {
        "level": 4,
        "id": "documented-round-trip",
        "text": "The export format is documented and the round trip is tested.",
        "met": false,
        "evidence": [],
        "note": "the export format isn't documented"
       }
      ]
     }
    },
    "level_name": "absent",
    "applicable": true
   },
   {
    "key": "ergonomics",
    "title": "Agent ergonomics",
    "level": 0,
    "rationale": "[service] Not yet: Errors are machine-readable: consistent JSON over HTTP, or a standard protocol's native error replies (RESP errors, MQTT reason codes, gRPC status, SQLSTATE).",
    "evidence": [],
    "metrics": {},
    "gaps": [
     "[service] L1 Errors are machine-readable: consistent JSON over HTTP, or a standard protocol's native error replies (RESP errors, MQTT reason codes, gRPC status, SQLSTATE). (no machine-readable errors)",
     "[library] L1 Errors are specific exception types, and library code never calls sys.exit. (no exception classes)"
    ],
    "question": "Can an automated caller use it without guessing, and recover from failure?",
    "best_surface": "service",
    "surfaces": {
     "service": {
      "level": 0,
      "first_missing": "json-errors",
      "requirements": [
       {
        "level": 1,
        "id": "json-errors",
        "text": "Errors are machine-readable: consistent JSON over HTTP, or a standard protocol's native error replies (RESP errors, MQTT reason codes, gRPC status, SQLSTATE).",
        "met": false,
        "evidence": [],
        "note": "no machine-readable errors"
       },
       {
        "level": 2,
        "id": "validation-pagination",
        "text": "Field-level validation errors, and paginated lists.",
        "met": false,
        "evidence": [],
        "note": "no pagination"
       },
       {
        "level": 3,
        "id": "safe-retries",
        "text": "Typed errors (RFC 9457 over HTTP, or a standard protocol's typed error codes), idempotent writes (Idempotency-Key), and rate-limit signals.",
        "met": false,
        "evidence": [],
        "note": "no typed errors"
       },
       {
        "level": 4,
        "id": "agent-ready",
        "text": "Dry-run or validate-only, conditional requests, and agent docs.",
        "met": false,
        "evidence": [],
        "note": "no dry-run"
       }
      ]
     },
     "library": {
      "level": 0,
      "first_missing": "typed-exceptions",
      "requirements": [
       {
        "level": 1,
        "id": "typed-exceptions",
        "text": "Errors are specific exception types, and library code never calls sys.exit.",
        "met": false,
        "evidence": [],
        "note": "no exception classes"
       },
       {
        "level": 2,
        "id": "validation",
        "text": "Inputs are validated with messages naming the bad argument.",
        "met": false,
        "evidence": [],
        "note": "no input validation errors"
       },
       {
        "level": 3,
        "id": "timeouts-retries",
        "text": "Timeouts and retries are configurable.",
        "met": false,
        "evidence": [],
        "note": "no timeout parameter"
       },
       {
        "level": 4,
        "id": "agent-ready",
        "text": "Agent docs, and examples that run as tests (doctests).",
        "met": false,
        "evidence": [],
        "note": "no agent docs"
       }
      ]
     }
    },
    "level_name": "absent",
    "applicable": true
   },
   {
    "key": "embeddability",
    "title": "Embeddability",
    "level": 3,
    "rationale": "[library] Published to a public registry, with at most 10 runtime dependencies.",
    "evidence": [
     {
      "signal": "L1 importable",
      "detail": "Go module with exported packages",
      "path": "go.mod",
      "weight": 1
     },
     {
      "signal": "L2 installable",
      "detail": "package manifest",
      "path": "go.mod",
      "weight": 1
     },
     {
      "signal": "L3 published-minimal",
      "detail": "6 matches",
      "path": ".github/workflows/goreleaser.yml",
      "weight": 1
     }
    ],
    "metrics": {},
    "gaps": [
     "[service] L2 Configured through environment variables, documented: a .env example, a config schema, or docs naming at least half of the variables the code reads. (configuration isn't read from the environment)",
     "[library] L4 Optional features behind extras/features. (no optional extras)"
    ],
    "question": "Can another system run and compose it without a human?",
    "best_surface": "library",
    "surfaces": {
     "service": {
      "level": 1,
      "first_missing": "env-config",
      "requirements": [
       {
        "level": 1,
        "id": "documented-run",
        "text": "Runnable from source with documented steps (a README with commands).",
        "met": true,
        "evidence": [
         {
          "path": "README.md",
          "detail": ""
         }
        ],
        "note": ""
       },
       {
        "level": 2,
        "id": "env-config",
        "text": "Configured through environment variables, documented: a .env example, a config schema, or docs naming at least half of the variables the code reads.",
        "met": false,
        "evidence": [],
        "note": "configuration isn't read from the environment"
       },
       {
        "level": 3,
        "id": "container",
        "text": "A container image.",
        "met": false,
        "evidence": [],
        "note": "no Dockerfile"
       },
       {
        "level": 4,
        "id": "composition",
        "text": "Composition artifacts (compose, Helm, IaC).",
        "met": false,
        "evidence": [],
        "note": "no compose/Helm/IaC"
       }
      ]
     },
     "library": {
      "level": 3,
      "first_missing": "optional-features",
      "requirements": [
       {
        "level": 1,
        "id": "importable",
        "text": "Importable from source.",
        "met": true,
        "evidence": [
         {
          "path": "go.mod",
          "detail": "Go module with exported packages"
         }
        ],
        "note": ""
       },
       {
        "level": 2,
        "id": "installable",
        "text": "Installable as a package (a package manifest).",
        "met": true,
        "evidence": [
         {
          "path": "go.mod",
          "detail": "package manifest"
         }
        ],
        "note": ""
       },
       {
        "level": 3,
        "id": "published-minimal",
        "text": "Published to a public registry, with at most 10 runtime dependencies.",
        "met": true,
        "evidence": [
         {
          "path": ".github/workflows/goreleaser.yml",
          "detail": "6 matches"
         },
         {
          "path": null,
          "detail": "unknown number of runtime dependencies"
         }
        ],
        "note": ""
       },
       {
        "level": 4,
        "id": "optional-features",
        "text": "Optional features behind extras/features.",
        "met": false,
        "evidence": [],
        "note": "no optional extras"
       }
      ]
     }
    },
    "level_name": "solid",
    "applicable": true
   },
   {
    "key": "extensibility",
    "title": "Extensibility",
    "level": 0,
    "rationale": "Not yet: Internal seams: a registry, registration function or plugin manager.",
    "evidence": [],
    "metrics": {},
    "gaps": [
     "L1 Internal seams: a registry, registration function or plugin manager. (no registry or registration function)"
    ],
    "question": "Can behaviour be added without modifying the code?",
    "best_surface": "all",
    "surfaces": {
     "all": {
      "level": 0,
      "first_missing": "seams",
      "requirements": [
       {
        "level": 1,
        "id": "seams",
        "text": "Internal seams: a registry, registration function or plugin manager.",
        "met": false,
        "evidence": [],
        "note": "no registry or registration function"
       },
       {
        "level": 2,
        "id": "documented",
        "text": "The docs show how to add behaviour through those seams (even in-tree).",
        "met": false,
        "evidence": [],
        "note": "no registration functions to document"
       },
       {
        "level": 3,
        "id": "out-of-tree",
        "text": "Out-of-tree extensions are discovered (entry points, a plugin directory, configuration) without editing the package.",
        "met": false,
        "evidence": [],
        "note": "extensions must be added inside the package"
       },
       {
        "level": 4,
        "id": "versioned-api",
        "text": "The extension API is versioned, has lifecycle hooks, and has example extensions.",
        "met": false,
        "evidence": [],
        "note": "the extension API isn't versioned"
       }
      ]
     }
    },
    "level_name": "absent",
    "applicable": true
   },
   {
    "key": "observability",
    "title": "Observability",
    "level": 0,
    "rationale": "[service] Not yet: A health or readiness endpoint, or a container healthcheck.",
    "evidence": [],
    "metrics": {},
    "gaps": [
     "[service] L1 A health or readiness endpoint, or a container healthcheck. (no health endpoint or healthcheck)",
     "[library] L1 Logs through a standard logger namespace and never prints from library code. (no standard logger)"
    ],
    "question": "Can an operator, or an orchestrating agent, tell whether it works and why not?",
    "best_surface": "service",
    "surfaces": {
     "service": {
      "level": 0,
      "first_missing": "health",
      "requirements": [
       {
        "level": 1,
        "id": "health",
        "text": "A health or readiness endpoint, or a container healthcheck.",
        "met": false,
        "evidence": [],
        "note": "no health endpoint or healthcheck"
       },
       {
        "level": 2,
        "id": "structured-logs",
        "text": "Structured logs.",
        "met": false,
        "evidence": [],
        "note": "no structured logging"
       },
       {
        "level": 3,
        "id": "metrics",
        "text": "Metrics.",
        "met": false,
        "evidence": [],
        "note": "no metrics"
       },
       {
        "level": 4,
        "id": "tracing",
        "text": "Distributed tracing (OpenTelemetry).",
        "met": false,
        "evidence": [],
        "note": "no tracing"
       }
      ]
     },
     "library": {
      "level": 0,
      "first_missing": "standard-logger",
      "requirements": [
       {
        "level": 1,
        "id": "standard-logger",
        "text": "Logs through a standard logger namespace and never prints from library code.",
        "met": false,
        "evidence": [],
        "note": "no standard logger"
       },
       {
        "level": 2,
        "id": "log-levels",
        "text": "Log levels are used meaningfully (at least two levels).",
        "met": false,
        "evidence": [],
        "note": "fewer than two log levels used"
       },
       {
        "level": 3,
        "id": "hooks",
        "text": "Optional metrics or tracing hooks.",
        "met": false,
        "evidence": [],
        "note": "no metrics or tracing hooks"
       },
       {
        "level": 4,
        "id": "otel",
        "text": "OpenTelemetry instrumentation available.",
        "met": false,
        "evidence": [],
        "note": "no OpenTelemetry instrumentation"
       }
      ]
     }
    },
    "level_name": "absent",
    "applicable": true
   },
   {
    "key": "legibility",
    "title": "Change legibility",
    "level": 2,
    "rationale": "CI runs the tests; applications pin dependencies (libraries and zero-dependency projects are exempt).",
    "evidence": [
     {
      "signal": "L1 readme-tests",
      "detail": "",
      "path": "README.md",
      "weight": 1
     },
     {
      "signal": "L2 ci-pinned",
      "detail": "",
      "path": ".github/workflows/codeql.yml",
      "weight": 1
     }
    ],
    "metrics": {
     "source_files": 58,
     "source_tokens": 56252,
     "test_files": 40,
     "test_tokens": 117951,
     "test_ratio": 2.1,
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      "context.go"
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     "largest_module": {
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    },
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     "L3 At least 90% of modules fit 32k tokens and no file exceeds 12k; test/source token ratio at least 0.3; at least 70% of the code is typed. (86% of modules fit 32k tokens; 1 files over 12k)"
    ],
    "question": "Can an agent change it safely with limited context?",
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         {
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        ],
        "note": ""
       },
       {
        "level": 2,
        "id": "ci-pinned",
        "text": "CI runs the tests; applications pin dependencies (libraries and zero-dependency projects are exempt).",
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         {
          "path": ".github/workflows/codeql.yml",
          "detail": ""
         },
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          "path": ".github/workflows/gin.yml",
          "detail": ""
         },
         {
          "path": ".github/workflows/goreleaser.yml",
          "detail": ""
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         {
          "path": ".github/workflows/trivy-scan.yml",
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         }
        ],
        "note": ""
       },
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        "level": 3,
        "id": "fits-and-verified",
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        "note": "no agent docs (AGENTS.md, CLAUDE.md, llms.txt)"
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      ]
     }
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    "applicable": true
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  "spend": null
 }
}