castform
ChatGPT pluginpost-train llms with castform.
design, validate, launch, and monitor castform post-training runs from codex.
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- No
not on the featured shelf
Movement
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Rank in Developer tools
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How this plugin compares with others in the same category. Positions are counted within the category, not across the whole directory.
Developer tools439th of 742 by placement
| # | Plugin | Position | 7d |
|---|---|---|---|
| 437 | #5145 | 9places up | |
| 438 | #5147 | 72places up | |
| 439 | #5152 | 28places up | |
| 440 | #5157 | 41places up | |
| 441 | #5168 | 35places up |
Example prompts
- “Set up this project for Castform.”
- “Help me design a Castform environment.”
- “Validate and launch my Castform run.”
Skills
design-environment
Design a benchmax environment, its ordered dataset, tools, and explicit reward shape for a Castform project.
generate-data
Prepare, clean, generate, or reference the data used by a Castform environment from project-owned Python scripts.
launch-run
Review, bundle, upload, and explicitly launch a Castform GPU training run from the project script.
setup
One-time bootstrap for a new Castform project — install the Castform CLI and scaffold the Codex guide, skills, and starter environment. Run this before any other Castform skill.
train-sft
Build a validated benchmax-sft-v1 dataset from existing labeled conversations, upload it, and explicitly launch a supervised finetuning run — no environment, rewards, or rollouts.
verify-environment
Run and inspect the script-owned local two-sibling validation before spending GPU credits.
view-progress
Monitor a Castform run with status, scalar, rollout, and log commands, then diagnose failures or reward drift.
- Categories
- Sign-in
- On Install
- Capabilities
- Interactive, Write
- Availability
- Available
- Version
- 1.0.0+codex.20260818184934
- Keywords
- llm, post-training, reinforcement-learning
- Created
- August 18, 2026
- Sponsorship
- Promote this plugin