> openapi-lint
> npx --yes @redocly/cli lint ./api/openapi.yml

validating api/openapi.yml...
[1] api/openapi.yml:2:1 at #/openapi

Servers must be present.

1 | # yaml-language-server: $schema=https://raw.githubusercontent.com/OAI/OpenAPI-Specification/main/schemas/v3.1/schema.json
2 | openapi: 3.1.0
3 | info:
4 |   title: CrossLab LTI Service REST API (internal)

Warning was generated by the no-empty-servers rule.


[2] api/openapi.yml:3:1 at #/info

Info object should contain `license` field.

1 | # yaml-language-server: $schema=https://raw.githubusercontent.com/OAI/OpenAPI-Specification/main/schemas/v3.1/schema.json
2 | openapi: 3.1.0
3 | info:
4 |   title: CrossLab LTI Service REST API (internal)
5 |   description: |-

Warning was generated by the info-license rule.


[3] api/operations/lti_request.yml:88:7 at #/paths/login/post/responses

Operation must have at least one `4XX` response.

86 |           - lti_message_hint
87 |         additionalProperties: false
88 | responses:
89 |   200:
90 |     description: |-

Warning was generated by the operation-4xx-response rule.


[4] api/operations/lti_request.yml:30:7 at #/paths/launch/post/responses

Operation must have at least one `4XX` response.

28 |           - id_token
29 |         additionalProperties: false
30 | responses:
31 |   200:
32 |     description: |-

Warning was generated by the operation-4xx-response rule.


[5] api/operations/lti_request.yml:112:7 at #/paths/jwks/get/responses

Operation must have at least one `4XX` response.

110 | parameters:
111 |   - $ref: 'platform.yml#/components/parameters/platform_id'
112 | responses:
113 |   200:
114 |     description: |-

Warning was generated by the operation-4xx-response rule.


[6] api/operations/session.yml:107:7 at #/paths/session_by_id_experiment/patch/responses

Operation must have at least one `4XX` response.

105 |                 - role
106 |                 - device
107 | responses:
108 |   201:
109 |     description: |-

Warning was generated by the operation-4xx-response rule.


api/openapi.yml: validated in 68ms

Woohoo! Your API description is valid. 🎉
You have 6 warnings.