diff --git a/package-lock.json b/package-lock.json
index 1a35246..0a1bbf4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -32,7 +32,7 @@
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@@ -2749,21 +2742,27 @@
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-        "ts-essentials": "^10.0.1",
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+        "openapi-helpers": "dist/cli/entrypoint.mjs"
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@@ -2772,6 +2771,45 @@
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+      "resolved": "https://registry.npmjs.org/@apidevtools/json-schema-ref-parser/-/json-schema-ref-parser-14.2.1.tgz",
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+      "license": "MIT",
+      "dependencies": {
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+      },
+      "engines": {
+        "node": ">= 20"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/philsturgeon"
+      },
+      "peerDependencies": {
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+      }
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+      "resolved": "https://registry.npmjs.org/@commander-js/extra-typings/-/extra-typings-14.0.0.tgz",
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+      "license": "MIT",
+      "peerDependencies": {
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+      }
+    },
+    "node_modules/@map-colonies/openapi-helpers/node_modules/commander": {
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+      "resolved": "https://registry.npmjs.org/commander/-/commander-14.0.1.tgz",
+      "integrity": "sha512-2JkV3gUZUVrbNA+1sjBOYLsMZ5cEEl8GTFP2a4AVz5hvasAMCQ1D2l2le/cX+pV4N6ZU17zjUahLpIXRrnWL8A==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
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+      }
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@@ -4436,44 +4474,42 @@
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-      "deprecated": "This package is no longer maintained. Please use `@apidevtools/json-schema-ref-parser` instead.",
+    "node_modules/@readme/openapi-parser": {
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+      "resolved": "https://registry.npmjs.org/@readme/openapi-parser/-/openapi-parser-4.1.2.tgz",
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-        "@types/json-schema": "^7.0.12",
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-        "js-yaml": "^4.1.0"
+        "@apidevtools/json-schema-ref-parser": "^13.0.5",
+        "@readme/better-ajv-errors": "^2.3.2",
+        "@readme/openapi-schemas": "^3.1.0",
+        "@types/json-schema": "^7.0.15",
+        "ajv": "^8.12.0",
+        "ajv-draft-04": "^1.0.0"
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-        "node": ">=18"
+        "node": ">=20"
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       }
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-    "node_modules/@readme/openapi-parser": {
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-      "resolved": "https://registry.npmjs.org/@readme/openapi-parser/-/openapi-parser-2.7.0.tgz",
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+    "node_modules/@readme/openapi-parser/node_modules/@apidevtools/json-schema-ref-parser": {
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+      "resolved": "https://registry.npmjs.org/@apidevtools/json-schema-ref-parser/-/json-schema-ref-parser-13.0.5.tgz",
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-        "ajv": "^8.12.0",
-        "ajv-draft-04": "^1.0.0",
-        "call-me-maybe": "^1.0.1"
+        "@types/json-schema": "^7.0.15",
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-        "node": ">=18"
+        "node": ">= 16"
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-      "peerDependencies": {
-        "openapi-types": ">=7"
+      "funding": {
+        "url": "https://github.com/sponsors/philsturgeon"
       }
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-      "license": "MIT",
-      "peer": true
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@@ -7057,6 +7092,35 @@
       "dev": true,
       "license": "MIT"
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+      "resolved": "https://registry.npmjs.org/cli-cursor/-/cli-cursor-5.0.0.tgz",
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+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "restore-cursor": "^5.0.0"
+      },
+      "engines": {
+        "node": ">=18"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
+    "node_modules/cli-spinners": {
+      "version": "2.9.2",
+      "resolved": "https://registry.npmjs.org/cli-spinners/-/cli-spinners-2.9.2.tgz",
+      "integrity": "sha512-ywqV+5MmyL4E7ybXgKys4DugZbX0FC6LnwrhjuykIjnK9k8OQacQ7axGKnjDXWNhns0xot3bZI5h55H8yo9cJg==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=6"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
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@@ -9214,6 +9278,19 @@
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       }
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+    "node_modules/get-east-asian-width": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/get-east-asian-width/-/get-east-asian-width-1.4.0.tgz",
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+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=18"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
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@@ -9871,6 +9948,19 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
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+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/is-interactive/-/is-interactive-2.0.0.tgz",
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+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
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@@ -9916,6 +10006,19 @@
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+      "resolved": "https://registry.npmjs.org/is-unicode-supported/-/is-unicode-supported-2.1.0.tgz",
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+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=18"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
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@@ -12398,6 +12501,36 @@
       "dev": true,
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+      "resolved": "https://registry.npmjs.org/log-symbols/-/log-symbols-6.0.0.tgz",
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+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "chalk": "^5.3.0",
+        "is-unicode-supported": "^1.3.0"
+      },
+      "engines": {
+        "node": ">=18"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
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+      "resolved": "https://registry.npmjs.org/is-unicode-supported/-/is-unicode-supported-1.3.0.tgz",
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+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
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@@ -12619,6 +12752,19 @@
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+      "resolved": "https://registry.npmjs.org/mimic-function/-/mimic-function-5.0.1.tgz",
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+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=18"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
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@@ -13008,20 +13154,20 @@
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@@ -13392,6 +13538,84 @@
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+      "resolved": "https://registry.npmjs.org/ora/-/ora-8.2.0.tgz",
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+        "cli-cursor": "^5.0.0",
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+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
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+      "license": "MIT",
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+      "funding": {
+        "url": "https://github.com/chalk/ansi-regex?sponsor=1"
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+      "license": "MIT",
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+      "funding": {
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+      "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-7.1.2.tgz",
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+      "license": "MIT",
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@@ -14576,6 +14800,52 @@
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+      "license": "MIT",
+      "dependencies": {
+        "onetime": "^7.0.0",
+        "signal-exit": "^4.1.0"
+      },
+      "engines": {
+        "node": ">=18"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
+    "node_modules/restore-cursor/node_modules/onetime": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/onetime/-/onetime-7.0.0.tgz",
+      "integrity": "sha512-VXJjc87FScF88uafS3JllDgvAm+c/Slfz06lorj2uAY34rlUu0Nt+v8wreiImcrgAjjIHp1rXpTDlLOGw29WwQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "mimic-function": "^5.0.0"
+      },
+      "engines": {
+        "node": ">=18"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
+    "node_modules/restore-cursor/node_modules/signal-exit": {
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/signal-exit/-/signal-exit-4.1.0.tgz",
+      "integrity": "sha512-bzyZ1e88w9O1iNJbKnOlvYTrWPDl46O1bG0D3XInv+9tkPrxrN8jUUTiFlDkkmKWgn1M6CfIA13SuGqOa9Korw==",
+      "dev": true,
+      "license": "ISC",
+      "engines": {
+        "node": ">=14"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/isaacs"
+      }
+    },
     "node_modules/reusify": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/reusify/-/reusify-1.1.0.tgz",
@@ -15170,6 +15440,19 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/stdin-discarder": {
+      "version": "0.2.2",
+      "resolved": "https://registry.npmjs.org/stdin-discarder/-/stdin-discarder-0.2.2.tgz",
+      "integrity": "sha512-UhDfHmA92YAlNnCfhmq0VeNL5bDbiZGg7sZ2IvPsXubGkiNa9EC+tUTsjBRsYUAz87btI6/1wf4XoVvQ3uRnmQ==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=18"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/stickyfill": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/stickyfill/-/stickyfill-1.1.1.tgz",
diff --git a/package.json b/package.json
index 6f85b42..f51075b 100644
--- a/package.json
+++ b/package.json
@@ -52,7 +52,7 @@
     "@commitlint/cli": "^19.8.0",
     "@map-colonies/commitlint-config": "^1.1.1",
     "@map-colonies/eslint-config": "^6.0.0",
-    "@map-colonies/openapi-helpers": "^2.0.0",
+    "@map-colonies/openapi-helpers": "^4.0.0",
     "@map-colonies/prettier-config": "0.0.1",
     "@map-colonies/tsconfig": "^1.0.1",
     "@redocly/cli": "^1.34.0",