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Nifi MCP Server

Apache NiFi flows and configurations management via Apache Knox integration.

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Overview

This Python-based MCP server facilitates interaction with Apache NiFi instances, leveraging Apache Knox for authentication. It features automatic detection for both NiFi 1.x and 2.x versions, ensuring compatibility across different deployment standards. The server supports various authentication methods including Bearer tokens, cookies, and passcodes suited for Cloudera Data Platform (CDP) environments. The tool provides a comprehensive suite of 24 read-only operations for monitoring and exploring NiFi, including flow health checks, bulletin retrieval, and processor state verification. When write access is enabled via configuration, users gain access to 42 write-oriented operations, such as creating, updating, starting, stopping, or deleting processors, enabling programmatic flow manipulation directly through the assistant.

Our verdict

The Nifi MCP Server holds a high-risk security score of 24/100, primarily due to it being community-maintained rather than official vendor software and lacking an editorial review. Because authentication methods and read-only mode safety have not been independently verified, users should exercise extreme caution, particularly when toggling write access. This tool is best suited for experienced developers working in isolated, non-production NiFi environments who can manage the risks of unvetted, community-maintained code.

  • Native support for both NiFi 1.x and 2.x versions
  • Supports multiple authentication methods including Bearer tokens
  • Minimal supply-chain surface with zero direct dependencies
  • Includes 24 read-only tools for monitoring flow health
  • Security score of 24/100 indicates high risk level
  • Lacks official vendor maintenance and editorial review
  • Authentication methods have not yet been independently reviewed
  • Bus-factor risk due to single-contributor development

Tools

ToolDescriptionRisk
get_nifi_versionVersion and build informationlow
get_root_process_groupRoot process group detailslow
list_processorsList processors in a process grouplow
list_connectionsList connections in a process grouplow
get_bulletinsRecent bulletins and alertslow
list_parameter_contextsParameter contextslow
get_controller_servicesController serviceslow
get_processor_typesAvailable processor types for flow buildinglow
search_flowSearch for components in the flowlow
get_connection_detailsDetailed connection informationlow

Compatibility

ClientLocalDockerRemoteRead-only
Claude Desktop
Cursor
VS Code
Windsurf
ChatGPT

Frequently asked questions

Is the server configured for write operations by default?

No, the server is read-only by default to ensure safe exploration of flows and configurations. You must explicitly enable write operations by setting NIFI_READONLY to false.

Which versions of Apache NiFi are supported?

The server supports both NiFi 1.x and 2.x and includes automatic version detection to adapt its behavior accordingly.

What authentication methods does the server support?

The server supports Apache Knox authentication, including Bearer tokens, cookies, and passcode tokens typically used for CDP deployments.

How can I get started with the server configuration?

You can use the get_setup_instructions tool directly within the MCP interface for interactive guidance or use the check_configuration tool to validate your environment settings.

Alternatives

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