castform
ChatGPT pluginpost-train llms with castform.
- Featured
- No
not on the featured shelf
Movement
From our daily snapshots over the last 30 days.
Rank by placement
Rank in Developer tools
In its category
How this plugin compares with others in the same category. Positions are counted within the category, not across the whole directory.
Developer tools451st of 537 by placement
| # | Plugin | Position | 7d |
|---|---|---|---|
| 448 | #5209 | — | |
| 449 | #5213 | — | |
| 450 | #5216 | — | |
| 451 | #5220 | — | |
| 452 | #5221 | — | |
| 453 | #5238 | — | |
| 454 | #5241 | — |
design, validate, launch, and monitor castform post-training runs from codex.
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