UEAgent 1.2.0

Every tool now says whether it reads or writes and what it answers, 533 tool definitions were rewritten
from their code, and tools that answered success for a failure now say what happened.

What's new

• Tool annotations. Every tool publishes readOnlyHint, destructiveHint, idempotentHint and
  openWorldHint, derived from the code it runs: 640 tools are read-only, 403 additive and 1054
  destructive, and only execute_python and execute_python_file reach outside the editor. A client
  can tell get_blueprint_info from delete_asset without reading the prose, and a reader that
  saves, compiles or writes a file is not marked read-only.
• Return shapes. Every description ends with what the tool answers (Returns: { ... }), in
  tools/list and in describe_tool.
• 533 tool definitions rewritten from their code: what each tool reads or changes, its side
  effects, what a wrong input does and which sibling tool to use instead. About 100 described
  something the code does not do and now match it.
• A Claude Code plugin, ueagent: /plugin install ueagent --marketplace CarlxsMG/UEAgent adds
  skill-builder, which turns an editor workflow into a new skill, and three skills made with it
  (blueprint-actor, project-audit, level-lighting).
• Schemas that say what the code requires: the required and optional parameters and the types of
  112 tools now match their handlers, and a call that passes either spelling of a parameter the tool
  reads under two names reaches the tool (53 tools).

Fixed

• 42 tools answered success for a failure or a no-op. Among them, delete_asset and
  delete_level_sequence fail when the file stays on disk, the Chaos fracture tools count the pieces
  they add, and the Enhanced Input, Soundfield and GAS tools fail when their save fails.
• reimport_anim_sequence reimported the wrong source and could open dialogs;
  validate_anim_state_machine and get_anim_state_machine_info counted transitions as states;
  list_usd_prims ignored recursive; create_attribute_set_asset and add_attribute_to_set left
  every default at 0; remove_tree_binding always failed; set_tree_parameter failed on text;
  configure_ai_sight_radius ignored lose_sight_radius; list_engine_ini_sections found no
  sections.

The full list is in the changelog.

Install

1. Download UEAgent-1.2.0-UE5.8-Win64.zip and unzip it into <YourProject>/Plugins/, replacing
   an older Plugins/UEAgent.
2. Open the project with Unreal Engine 5.8 on Windows. The plugin is precompiled: no compiler is
   needed, in a Blueprint-only project or a C++ one. The status bar shows MCP · 55561.
3. Connect your client: see Clients.

Files

File
UEAgent-1.2.0-UE5.8-Win64.zip	The plugin, built for Unreal Engine 5.8 (Win64), with its source.
UEAgent-1.2.0-UE5.8-Win64-symbols.zip	Debug symbols (.pdb). Only needed for readable crash call stacks: unzip it over the plugin.
SHA256SUMS.txt	SHA-256 of both archives.

UEAgent is released under the MIT License.