pymc-labs

Prior Check — AI skill for Claude Code

AI community

Generate and analyze prior predictive checks for the current model.

How to install Prior Check

Installs to ~/.claude/skills/pymc-labs-pymc-modeling-prior-check/SKILL.md

Terminal

mkdir -p ~/.claude/skills/pymc-labs-pymc-modeling-prior-check && curl -fsSL https://raw.githubusercontent.com/pymc-labs/pymc-modeling/HEAD/commands/prior-check.md -o ~/.claude/skills/pymc-labs-pymc-modeling-prior-check/SKILL.md

Restart Claude Code, or start a new session, for it to be picked up.

What Prior Check does

name: prior-check description: Generate and analyze prior predictive checks for the current model

Generate and analyze prior predictive checks for a PyMC model.

Find the PyMC model definition. Look in the current file or ask the user to specify which file contains the model:

Search for files containing "pm.Model" or "pymc.Model" in the working directory.

Read the model file and identify the model context block (`with pm.Model(...) as model:`).
Generate code to run p

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