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Release Notes

Hint: The 'tools' in these release notes refer to the MCP tools (features) provided by the MCP Server for Enterprise Architect, not the MCP client tool such as Claude App or VSCode.

Version 2.3.12 (23 January, 2026)

  • Change: allow creating a CallBehaviourAction by applying an Activity as a Classifier to an Action
  • Change: support style of connectors
  • Change: support direction of ActivityPartitions

Version 2.3.11 (19 January, 2026)

  • Change: added the 'linked document' information to the get_element_information tool
  • Change: allow updating stereotypes for existing elements and connectors
  • Fix: initially specified stereotypes for new connectors are not applied correctly

Installer: x64 : x86

Version 2.3.10 (16 January, 2026)

  • New feature: offer MCP Prompts for ArchiMate 3.1 (but currently very limited elements and connector types - more will be added on request)
  • Change: updated the MCP internal library to the latest
  • Change: updated connector style for BPMN SequenceFlow and MessageFlow
  • Change: updated the prompt for BPMN diagrams
  • Fix: for x86 installer, the MCP server tried to use .NET runtime for x64 on some environment

Installer: x64 : x86

Version 2.3.9 (13 January, 2026)

  • Change: updated the prompt for BPMN diagrams
  • New feature: when creating elements with the same name as existing ones for some types of elements, do not create new ones but reuse the existing ones (to support traceability).

Installer: x64 : x86

Version 2.3.8 (8 January, 2026)

  • Change: support newlines for Notes. Now, the '\r\n', '\r' and '\n' characters are replaced with a newline in the Notes field.

Installer: x64 : x86

Version 2.3.7 (7 January, 2026)

  • New feature: added tools to import and export the linked documents to/from a specified path as RTF files

Version 2.3.6 (5 January, 2026)

  • Change: updated the prompt for BPMN diagrams
  • Change: tool name 'reset_diagram' is changed to 'reset_diagram_layout'
  • Change: the Y-coordinate to a positive value when placing elements on the diagram
  • Fix: newly created diagrams under elements are shown correctly in the Model Browser

Version 2.3.5 (26 December, 2025)

  • Change: some SQL queries that are used internally and contain reserved words for certain DBMSs have been changed

Version 2.3.4 (19 December, 2025)

  • Change: now the place_element_on_diagram tool supports element position in diagrams
  • Change: the tool name layout_diagram changed to reset_diagram to prevent AI (LLM) from breaking layouts placed by the place_element_on_diagram tool
  • Change: the get_current_diagram tool returns the detail information, the same as the get_diagram_information tool
  • Fix: the get_diagram_information returned an error

Version 2.3.3.1 (12 December, 2025)

  • Change: update the installer to use the latest checking tool provided by Microsoft to check the .NET runtime library.
  • (No change in the MCP add-in itself)

Version 2.3.3 (10 December, 2025)

  • Change: in the updating tools, some LLMs send commands with empty string values for unchanged properties, which causes the MCP add-in to overwrite the existing values. To avoid this behaviour, almost all properties are now permitted to be set to 'null', meaning that LLMs can only send commands for updating or setting properties.

Version 2.3.2 (5 December, 2025)

  • Change: for some tools, multiple creation/modification are supported
  • Fix: revert update of the MCP library because the MCP add-in did not work on some environment

Version 2.3.1 (3 December, 2025)

  • New feature: added the prompt for BPMN 2.0 diagrams
  • Change: for some tools, multiple IDs can be specified to retrieve information. For example, MCP clients can retrieve information on two or more elements in one call
  • Change: generated JSON style information for Tagged Values are updated to shrink the text size

Version 2.3.0 (19 November, 2025)

  • New feature: more properties and tagged values are supported for packages, elements, diagrams and connectors. For example, you can create or move diagrams under elements.
  • New feature: added clone features for packages and elements

Installer: x64 : x86

Version 2.2.0 (12 November, 2025)

  • New feature: added some tools to create and modify operations and attributes

Installer: x64 : x86

Version 2.1.0 (7 November, 2025)

  • New feature: added some tools to get and modify connectors
  • New feature: when the Template Package is enabled, create_element refers elements in the Pakckage
  • Change: updated to the latest MCP library
  • Fix: get_element_information returns an error for some types of elements
  • Fix: fixed minor errors in the SysML prompt

Installer: x64 : x86

Version 2.0.3 (4 November, 2025)

  • Change: added workaround for the issue which BPMN 2.0 events could not be created
  • Change: added workaround for the issue which tagged values defined by profiles could not be updated
  • Change: updated the prompt for SysML diagrams

Version 2.0.2 (16 October, 2025)

  • Change: added more information to the log file of MCP add-in
  • Fix: many tools did not work on the PostgreSQL based repositories

Version 2.0.1 (29 September, 2025)

  • Fix: in some environments, the get_diagram_information tool would return an error relating to MCP_EA.Message or MCP_EA.Fragment
  • Fix: the get_element_information tool no longer displayed messages in sequence diagrams

Version 2.0.0 (10 September, 2025)

  • New feature: support all types of elements, connectors, and diagrams
  • New feature: offer MCP Prompts for UML and SysML to build models with the correct type names