菜单
HDA skill - install, inspect, create, author, publish, validate, cook, and synchronize Houdini Digital Assets with typed public parameters. Use when loading .hda/.otl assets, building reusable interfaces, or publishing an HDA library. Not for generic node edits.
用 Codex 或 Claude 帮你安装 复制这段 Prompt，粘贴到 Codex、Claude 或其他助手里，让它检查 Skill 页面并帮你完成安装。
基于 SOC 职业分类
| name | houdini-hda |
| description | HDA skill - install, inspect, create, author, publish, validate, cook, and synchronize Houdini Digital Assets with typed public parameters. Use when loading .hda/.otl assets, building reusable interfaces, or publishing an HDA library. Not for generic node edits. |
| license | MIT |
| compatibility | dcc-mcp-houdini 0.1+, Houdini 18.5+, dcc-mcp-core 0.19.45+ |
| allowed-tools | Bash Read Write Edit |
| metadata | {"dcc-mcp":{"dcc":"houdini","layer":"domain","stage":"authoring","version":"1.1.1","tags":["houdini","hda","otl","digital-asset","automation"],"search-hint":"install hda, expose controls, author interface, publish versioned hda, validate contract","search-aliases":["use hda","install hda","load otl","run digital asset","instantiate hda","execute hda","save hda","create digital asset","promote hda parameters","author hda interface","publish hda","validate hda","update hda definition","sync hda instance"],"example-prompts":["Install this .hda file and run the asset","Use the labs::my_asset HDA under /obj with these parameters","Save /obj/geo1 as a digital asset","Promote these internal controls and publish a new HDA definition version","Publish this asset with a safe reusable interface and dependency manifest","Upgrade this HDA instance and run its version handler"],"intent":"Install, author, publish, validate, instantiate, cook, and synchronize Houdini Digital Assets.","recall-context":{"app_type":"houdini","domain":"assets","workflow-stage":"authoring","task-category":"mutate"},"requires":[],"produces":["scene_node","file:hda"],"preconditions":[{"type":"software","name":"houdini","version":">=18.5"}],"side-effects":{"creates":true,"modifies":true,"file-output":true,"targets":["scene_node","file:hda"]},"tools":"tools.yaml"}} |
Typed Houdini Digital Asset operations. execute_hda is the main high-level
entry point: it can install an asset file, instantiate a node, set parameters,
press button parms, and cook the node.
author_hda_interface for a complete callback-free declarative interface,
or promote_hda_parameters to clone selected internal parameter tuples.save_node_as_hda for a new asset, then publish_hda_library for an
explicitly namespaced/versioned library with metadata and dependencies.validate_hda_contract.sync_hda_instance to reload a library, match an instance to the current
definition, and run its native SyncNodeVersion handler.houdini-hda-automation graph cooking tools when a reusable
asset needs pipeline-level verification.update_hda_definition updates the current definition. publish_hda_library
requires an explicit namespace, version, and overwrite policy.
save_node_as_hda refuses an existing target by default. overwrite=true
explicitly authorizes Houdini to add or replace definitions in that library
in-place. The write is not atomic; use a new versioned path when an interrupted
write must leave the previous file intact.
Pipeline skill — viewport capture/flipbook plus ROP render settings and render execution through typed, runtime-aware tools. Exports report written_files, elapsed time, and separate error/warning diagnostics without hanging the host. Pair with houdini-camera-light to set up cameras and lights first.
Scene skill — read-only inspection of the active Houdini hip file and node graphs. Use when you need frame range, hip path, object-level nodes, or node details. Not for creating geometry, sims, or exports — use authoring or interchange skills.
Authoring skill — inspect and edit Houdini node parameters, parameter templates, spare parameters, and channel expressions through typed atomic tools. Use instead of arbitrary Python for reading/setting parms, adding spare parms, and managing expressions. For node connections use houdini-node-graph.
Pipeline skill — generic, adapter-owned project and shot/package automation: set/query the project root, tag and read portable asset metadata, validate a scene for missing files / bad output dirs / dirty state / cook errors, collect file dependencies into a manifest (no copying), and export a shot/package manifest (frame range, cameras, output nodes, caches, written files). No dependency on private production services.
Scene-management skill — typed Houdini scene lifecycle (new/open/save with dirty-scene safeguards), selection (get/set/find), camera discovery, and bounding-box queries. Use these atomic tools instead of arbitrary Python for everyday scene navigation and file operations. Not for node authoring (use houdini-nodes) or geometry/transform edits (use houdini-object-ops).
Set up dcc-mcp-houdini for an agent or operator: install Houdini Python dependencies with hython, generate MCP host configuration, guide the user through the Houdini package / 123.py autostart load step, and run a first live-tool smoke prompt.