Agent Native

rank-experiments

This skill ranks experiments by their importance for evaluating scientific theories against a phenomenon.

by ImbueOfficial publisherNot reviewed

Identity proven by GitHub's verified organisation badge (imbue-ai)

Agents
Claude Code
License
AGPL-3.0 (copyleft)
Pin
a2ee48cpinned Oct 9, 2026
Context cost
about 760 tokenswhen the skill loads
GitHub stars
36on imbue-ai/catalyst
Scripts
None found

What it does

“Rank the given experiments based on their importance for evaluating theories.”
The author's description, from SKILL.md

Generated summary from the skill's own text

This skill ranks experiments by their importance for evaluating scientific theories against a phenomenon. It retrieves theory and experiment files, understands the phenomenon being studied, then scores experiments based on how well they validate key aspects of competing explanations.

When to use it

  • Prioritizing experiments when testing multiple competing theories
  • Identifying critical experiments for validating scientific hypotheses
  • Filtering relevant experiments from a large candidate set for theory evaluation

When not to

  • Running or executing the experiments themselves
  • Designing new experiments from scratch
  • Analyzing experimental results or data

Install

These commands install from the publisher's repository and need no account.

skills CLI

npx skills add imbue-ai/catalyst --skill rank-experiments

Installs from the repository's default branch, which may have changed since the commit we checked.

GitHub CLI 2.90 or later

gh skill install imbue-ai/catalyst rank-experiments@a2ee48c34741df5d4549d97b22aa44589d9eaa6a

Installs the commit we checked (a2ee48c).

Copy by hand

Download the folder at a2ee48c and put it in .claude/skills/rank-experiments for Claude Code and in .agents/skills/rank-experiments for Codex, Cursor, Gemini CLI, GitHub Copilot and OpenCode.

Skill folder on GitHub at a2ee48c

Copy for your agent

A prompt for any coding agent. It installs this skill from GitHub at the pinned commit, copies the files as they are, and runs nothing unless you ask.

Prompt

Install the agent skill "rank-experiments" by Imbue.

Source, pinned to commit a2ee48c34741df5d4549d97b22aa44589d9eaa6a:
https://github.com/imbue-ai/catalyst/tree/a2ee48c34741df5d4549d97b22aa44589d9eaa6a/src/claude_skills/skills/rank-experiments

1. Download that folder at exactly this commit. Do not use the default branch.
2. Copy every file unchanged, keeping the folder structure, into .claude/skills/rank-experiments/ for Claude Code and .agents/skills/rank-experiments/ for Codex, Cursor, Gemini CLI, GitHub Copilot and OpenCode. Create the folders if they do not exist.
3. Do not edit the files, and do not run any script in the folder unless I ask you to.
4. When you are done, list the files you copied and where you put them.

Listing and checks: https://www.agentnative.dev/skills/imbue/rank-experiments

SKILL.md at the pin

---
name: rank-experiments
description: "Rank the given experiments based on their importance for evaluating theories."
argument-hint: "the theory IDs for which to rank experiments (e.g. T_20260414_143100_d4e5f6 T_20260414_143200_g7h8i9)"
---

You are an **Experiment Ranker**. We are trying to evaluate how well different attempts at explaining a particular phenomenon match experimental evidence. Your task is to understand the phenomenon that we're trying to explain, and to rank the importance of different experiments for evaluating the different explanations (theories).

## Input
Arguments: $ARGUMENTS

The arguments contain multiple theory IDs (like `T_20260414_...`). Parse the theory IDs from the arguments.

## Folder setup
All commands must be run in the current working directory. Do not `cd` anywhere else, do not try to use the global `/tmp` folder or TMPDIR (only use the local `./tmp` folder).

Set up a context folder for your input:
CONTEXT_DIR: `mktemp -d -p ./tmp rank-experiments-context-XXXX`

Run this command to populate the context:
```bash
uv run python <SKILL_BASE_DIR>/scripts/context_manager.py create_context --for_agent_type rank-experiments --target_folder <CONTEXT_DIR> --from_theory <THEORY_ID_1> [--from_theory <THEORY_ID_2> ...]
```

- `<CONTEXT_DIR>/theories/<theory_id>/theory.md` — the theories to score
- `<CONTEXT_DIR>/experiments/<experiment_id>/description.md` — descriptions for select experiments that are relevant for scoring these theories
- `<CONTEXT_DIR>/experiments/<experiment_id>/script.py` — the experiment scripts for select experiments that are relevant for scoring these theories

## Execution Steps
1. **Folder setup**: Run the bash command above to obtain the theories and experiment files using `context_manager.py`.
2. **Understand the Phenomenon**: Before you can rank the experiments, you need to understand what phenomenon we are studying. First, check if there exists a file `phenomenon.txt` in the current work directory. If so, read the phenomenon description from there. Otherwise, if the `phenomenon.txt` file does not exist, read the first section(s) of one of the theory files. You can pick any of the theories for this step, as they should all be targeting the same phenomenon.
3. **Rank the Experiments**: Read the `description.md` files for each experiment in `<CONTEXT_DIR>/experiments/` to understand what each experiment does.
  - If the description is insufficient for understanding what an experiment does, you can additionally inspect its `script.py` file to get its full details.
  - Rank the experiments based on their importance for evaluating how well a theory explains the phenomenon. Experiments that validate key qualitative aspects of the phenomenon (1st) should rank before those that test peripheral aspects (2nd), smaller details (3rd), or extensions that aren't strictly necessary for understanding the phenomenon (4th).
  - Edge case: If there are no experiments (`<CONTEXT_DIR>/experiments/` is empty or doesn't exist) , then return an empty list of ranked experiment IDs.
4. **Select Top Experiments**: Select the 10 highest-ranking experiment IDs. Only these will be used in the following steps.
5. **Final Output**: Report the list of ranked experiment IDs (`X_...`), from highest to lowest rank.

From imbue-ai/catalyst at a2ee48c, shown as plain text under its license: AGPL-3.0 (copyleft). The license text is in LICENSE.

View SKILL.md on GitHub at a2ee48c

Files

1 file, 3.3 KB in total. Each file has a sha256 in the pin's manifest; the first 12 characters are shown.

Skill folder on GitHub at a2ee48c
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