Schema Evolution · Capability

Confluent Schema Registry API — Subjects

Confluent Schema Registry API — Subjects. 7 operations. Lead operation: List subjects. Self-contained Naftiko capability covering one Schema Evolution business surface.

Run with Naftiko Schema EvolutionSubjects

What You Can Do

GET
Get — List subjects
/v1/subjects
POST
Post — Look up a schema under a subject
/v1/subjects/{subject}
DELETE
Delete — Delete a subject
/v1/subjects/{subject}
GET
Get — List versions of a subject
/v1/subjects/{subject}/versions
POST
Post — Register a schema under a subject
/v1/subjects/{subject}/versions
GET
Get — Get a specific version of a schema
/v1/subjects/{subject}/versions/{version}
DELETE
Delete — Delete a specific version of a schema
/v1/subjects/{subject}/versions/{version}

MCP Tools

list-subjects

List subjects

read-only idempotent
look-up-schema-under-subject

Look up a schema under a subject

delete-subject

Delete a subject

idempotent
list-versions-subject

List versions of a subject

read-only idempotent
register-schema-under-subject

Register a schema under a subject

get-specific-version-schema

Get a specific version of a schema

read-only idempotent
delete-specific-version-schema

Delete a specific version of a schema

idempotent

Capability Spec

schema-evolution-subjects.yaml Raw ↑
naftiko: 1.0.0-alpha2
info:
  label: Confluent Schema Registry API — Subjects
  description: 'Confluent Schema Registry API — Subjects. 7 operations. Lead operation: List subjects. Self-contained Naftiko
    capability covering one Schema Evolution business surface.'
  tags:
  - Schema Evolution
  - Subjects
  created: '2026-05-19'
  modified: '2026-05-19'
binds:
- namespace: env
  keys:
    SCHEMA_EVOLUTION_API_KEY: SCHEMA_EVOLUTION_API_KEY
capability:
  consumes:
  - type: http
    namespace: schema-evolution-subjects
    baseUri: https://your-schema-registry-host
    description: Confluent Schema Registry API — Subjects business capability. Self-contained, no shared references.
    resources:
    - name: subjects
      path: /subjects
      operations:
      - name: get
        method: GET
        description: List subjects
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
    - name: subjects-subject
      path: /subjects/{subject}
      operations:
      - name: post
        method: POST
        description: Look up a schema under a subject
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: body
          in: body
          type: object
          description: Request body (JSON).
          required: false
      - name: delete
        method: DELETE
        description: Delete a subject
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
    - name: subjects-subject-versions
      path: /subjects/{subject}/versions
      operations:
      - name: get
        method: GET
        description: List versions of a subject
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
      - name: post
        method: POST
        description: Register a schema under a subject
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: body
          in: body
          type: object
          description: Request body (JSON).
          required: false
    - name: subjects-subject-versions-version
      path: /subjects/{subject}/versions/{version}
      operations:
      - name: get
        method: GET
        description: Get a specific version of a schema
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
      - name: delete
        method: DELETE
        description: Delete a specific version of a schema
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
  exposes:
  - type: rest
    namespace: schema-evolution-subjects-rest
    port: 8080
    description: REST adapter for Confluent Schema Registry API — Subjects. One Spectral-compliant resource per consumed operation,
      prefixed with /v1.
    resources:
    - path: /v1/subjects
      name: subjects
      description: REST surface for subjects.
      operations:
      - method: GET
        name: get
        description: List subjects
        call: schema-evolution-subjects.get
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/subjects/{subject}
      name: subjects-subject
      description: REST surface for subjects-subject.
      operations:
      - method: POST
        name: post
        description: Look up a schema under a subject
        call: schema-evolution-subjects.post
        with:
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
      - method: DELETE
        name: delete
        description: Delete a subject
        call: schema-evolution-subjects.delete
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/subjects/{subject}/versions
      name: subjects-subject-versions
      description: REST surface for subjects-subject-versions.
      operations:
      - method: GET
        name: get
        description: List versions of a subject
        call: schema-evolution-subjects.get
        outputParameters:
        - type: object
          mapping: $.
      - method: POST
        name: post
        description: Register a schema under a subject
        call: schema-evolution-subjects.post
        with:
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/subjects/{subject}/versions/{version}
      name: subjects-subject-versions-version
      description: REST surface for subjects-subject-versions-version.
      operations:
      - method: GET
        name: get
        description: Get a specific version of a schema
        call: schema-evolution-subjects.get
        outputParameters:
        - type: object
          mapping: $.
      - method: DELETE
        name: delete
        description: Delete a specific version of a schema
        call: schema-evolution-subjects.delete
        outputParameters:
        - type: object
          mapping: $.
  - type: mcp
    namespace: schema-evolution-subjects-mcp
    port: 9090
    transport: http
    description: MCP adapter for Confluent Schema Registry API — Subjects. One tool per consumed operation, routed inline
      through this capability's consumes block.
    tools:
    - name: list-subjects
      description: List subjects
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: schema-evolution-subjects.get
      outputParameters:
      - type: object
        mapping: $.
    - name: look-up-schema-under-subject
      description: Look up a schema under a subject
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: schema-evolution-subjects.post
      with:
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.
    - name: delete-subject
      description: Delete a subject
      hints:
        readOnly: false
        destructive: true
        idempotent: true
      call: schema-evolution-subjects.delete
      outputParameters:
      - type: object
        mapping: $.
    - name: list-versions-subject
      description: List versions of a subject
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: schema-evolution-subjects.get
      outputParameters:
      - type: object
        mapping: $.
    - name: register-schema-under-subject
      description: Register a schema under a subject
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: schema-evolution-subjects.post
      with:
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.
    - name: get-specific-version-schema
      description: Get a specific version of a schema
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: schema-evolution-subjects.get
      outputParameters:
      - type: object
        mapping: $.
    - name: delete-specific-version-schema
      description: Delete a specific version of a schema
      hints:
        readOnly: false
        destructive: true
        idempotent: true
      call: schema-evolution-subjects.delete
      outputParameters:
      - type: object
        mapping: $.