Kafka Schema Registry MCP

Kafka Schema Registry MCP MCP Server

Comprehensive MCP server for Kafka Schema Registry operations. Features multi-registry support, schema contexts, migration tools, OAuth authentication, and 57+ tools for complete schema management. Supports SLIM_MODE for optimal performance.

What is an MCP Server?⁠

MCP Info

Image Building InfoDockerfile|https://github.com/aywengo/kafka-schema-reg-mcp/blob/main/Dockerfile⁠

Docker Image built by|aywengo Docker Scout Health Score|Not available Verify Signature|Not available Licence|MIT License

Available Tools (29)

Tools Details

Tool: check_compatibility

Check if a schema is compatible with the latest version.

Tool: count_contexts

Count the number of contexts in a registry.

Tool: count_schema_versions

Count the number of versions for a specific schema.

Tool: count_schemas

Count the number of schemas in a context or registry.

Tool: create_context

Create a new schema context.

Tool: export_schema

Export a single schema in the specified format.

Tool: export_subject

Export all versions of a subject.

Tool: generate_resource_templates

Generate resource URI templates for your specific configuration.

Tool: get_default_registry

Get the current default registry.

Tool: get_global_config

Get global configuration settings.

NOTE: This tool is maintained for backward compatibility. Consider using the 'registry://{name}/config' resource instead for better performance.

Tool: get_mcp_compliance_status_tool

Get MCP 2025-06-18 specification compliance status and configuration details.

Returns information about JSON-RPC batching status, protocol version, header validation, and migration guidance.

Tool: get_mode

Get the current mode of the Schema Registry.

NOTE: This tool is maintained for backward compatibility. Consider using the 'registry://mode' resource instead for better performance.

Tool: get_registry_info

Get detailed information about a specific registry.

NOTE: This tool is maintained for backward compatibility. Consider using the 'registry://info/{name}' resource instead for better performance.

Tool: get_schema

Get a specific version of a schema.

NOTE: This tool is maintained for backward compatibility. Consider using the 'schema://{name}/{context}/{subject}' resource instead for better performance.

Tool: get_schema_by_id

Get a schema by its globally unique ID.

Tool: get_schema_versions

Get all versions of a schema for a subject.

NOTE: This tool is maintained for backward compatibility. Consider using the 'schema://{name}/{context}/{subject}/versions' resource instead for better performance.

Tool: get_subject_config

Get configuration settings for a specific subject.

NOTE: This tool is maintained for backward compatibility. Consider using the 'subject://{name}/{context}/{subject}/config' resource instead for better performance.

Tool: get_subject_mode

Get the operational mode for a specific subject.

NOTE: This tool is maintained for backward compatibility. Consider using the 'subject://{name}/{context}/{subject}/mode' resource instead for better performance.

Tool: get_subjects_by_schema_id

Get subjects and versions associated with a schema ID.

Tool: list_available_resources

List all available MCP resources and their usage patterns.

Tool: list_contexts

List all available schema contexts.

NOTE: This tool is maintained for backward compatibility. Consider using the 'registry://{name}/contexts' resource instead for better performance.

Tool: list_registries

List all configured Schema Registry instances.

NOTE: This tool is maintained for backward compatibility. Consider using the 'registry://names' resource instead for better performance.

Tool: list_subjects

List all subjects, optionally filtered by context.

NOTE: This tool is maintained for backward compatibility. Consider using the 'registry://{name}/subjects' resource instead for better performance.

Tool: ping

Respond to MCP ping requests with pong.

This tool implements the standard MCP ping/pong protocol for server health checking. MCP proxies and clients use this to verify that the server is alive and responding.

Tool: register_schema

Register a new schema version.

Tool: set_default_registry

Set the default registry.

Tool: suggest_resource_for_tool

Suggest the appropriate resource to use instead of a removed tool.

Tool: test_all_registries

Test connections to all configured registries.

NOTE: This tool is maintained for backward compatibility. Consider using the 'registry://status' resource instead for better performance.

Tool: test_registry_connection

Test connection to a specific registry.

NOTE: This tool is maintained for backward compatibility. Consider using the 'registry://status/{name}' resource instead for better performance.

Use this MCP Server

{
  "mcpServers": {
    "kafka-schema-reg-mcp": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "-e",
        "SCHEMA_REGISTRY_URL",
        "-e",
        "SLIM_MODE",
        "-e",
        "VIEWONLY",
        "-e",
        "SCHEMA_REGISTRY_USER",
        "-e",
        "SCHEMA_REGISTRY_PASSWORD",
        "aywengo/kafka-schema-reg-mcp:stable"
      ],
      "env": {
        "SCHEMA_REGISTRY_URL": "http://localhost:8081",
        "SLIM_MODE": "true",
        "VIEWONLY": "false",
        "SCHEMA_REGISTRY_USER": "<REGISTRY_USERNAME>",
        "SCHEMA_REGISTRY_PASSWORD": "<REGISTRY_PASSWORD>"
      }
    }
  }
}

Why is it safer to run MCP Servers with Docker?⁠