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houdini-parameters

houdini-parameters is a skill for Claude Code from dcc-mcp/dcc-mcp-houdini. It costs 60 tokens per session (433 once invoked), scanned A, original, MIT.

A typed toolset for reading and editing Houdini node parameters and their expressions. Parameters are the settings that control how a Houdini node behaves.

In plain words
What is it for?
Listing and reading parameters, changing values, adding or removing spare parameters, and creating or clearing channel expressions.
Why use it?
It validates parameter changes and can preserve animated or expression-driven values, reducing mistakes from unstructured scripting.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter.

not rated 12repo +1 today A scan 60 tokens original MIT

Good fit Listing and reading parameters, changing values, adding or removing spare parameters, and creating or clearing channel expressions.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/dcc-mcp/dcc-mcp-houdini/houdini-parameters
View source ↗ dcc-mcp/dcc-mcp-houdini pypi.org
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add dcc-mcp/dcc-mcp-houdini --skill houdini-parameters
Clone the repo
git clone --depth 1 https://github.com/dcc-mcp/dcc-mcp-houdini

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for houdini-parameters

README.md
[![agentmods](https://agentmods.dev/badge/skills/dcc-mcp/dcc-mcp-houdini/houdini-parameters/github.svg)](https://agentmods.dev/skills/dcc-mcp/dcc-mcp-houdini/houdini-parameters)
Your own site
<a href="https://agentmods.dev/skills/dcc-mcp/dcc-mcp-houdini/houdini-parameters"><img src="https://agentmods.dev/badge/skills/dcc-mcp/dcc-mcp-houdini/houdini-parameters/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for houdini-parameters

Your own site · 80×15
<a href="https://agentmods.dev/skills/dcc-mcp/dcc-mcp-houdini/houdini-parameters"><img src="https://agentmods.dev/badge/skills/dcc-mcp/dcc-mcp-houdini/houdini-parameters.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 60 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 433 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00060 $0.00433
Opus 5 $0.00030 $0.00217
Sonnet 5 $0.00012 $0.00087
Haiku 4.5 $0.00006 $0.00043

Measured 11d ago against content hash d516d329075a, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

houdini-parameters scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 11d ago.

The scan reads SKILL.md. This mod also ships 10 executable files (scripts/_parm_common.py, scripts/add_spare_parm.py, scripts/clear_expression.py, …), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

src/dcc_mcp_houdini/skills/houdini-parameters/SKILL.md · 43 lines

What it actually says

houdini-parameters

Typed parameter tools for agents. All tools are affinity: main because they call hou. Prefer these over houdini-scripting.execute_python for parameter and expression work.

Tool groups

  • parm-query (read-only): list_parms, get_parms, get_parm_templates, get_expression.
  • parm-edit (mutating): set_parms (type-aware coercion + per-parm validation while preserving animated channels), add_spare_parm, remove_spare_parm.
  • parm-expression (mutating): set_expression, clear_expression.

Suggested flow

  1. list_parms / get_parm_templates to discover names and types
  2. set_parms for static, type-coerced edits (errors reported per parameter; keyframed or expression-driven parms are preserved)
  3. set_expression / clear_expression to drive or freeze a value
Files

What ships with it

11 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 11d ago First seen · 43 lines · 60 tokens per session scan A d516d329075a

Subscribe to this mod's changes

houdini-parameters is a skill published in the GitHub repository dcc-mcp/dcc-mcp-houdini (12 stars, last pushed today), licensed MIT. It adds 60 tokens to every session and 433 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

Creative and mediaai-agentsdcchoudinimcpmodel-context-protocolprocedural-generation
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