agentleFS
harnessharness/harness-skills/skills/fme/create-experiment/SKILL.md

create-experiment

Skill127 starsChanged 30 days agoApache-2.0View on GitHub

Thin compatibility entrypoint for creating a new Harness FME experiment. Invokes manage-experiments' Create experiment flow directly - same scope, parent/environment resolution, hypothesis, metrics, treatments, window, and rule - and returns the created experiment id plus verification. Use when asked to create an experiment, set up an A/B test, or design a new experiment. Do NOT use for updating, pausing, resuming, completing, archiving, or deleting an experiment (manage-experiments), or for explaining results (review-experiment-results). Trigger phrases: create experiment, set up an A/B test, design an experiment, launch a test, new experiment for X.

2 other projects use a version of this.

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The file

We split this skill into the rules it gives an agent

4 rules. About 0 are common, 2 are distinctive, and 2 are very specific to this project.

  • ≈0

    Common · estimate

    Many files like this have a rule of this kind.

  • ≈2

    Distinctive · estimate

    This author's own choices. Worth a look.

  • 2

    Very specific

    Tied to their project's names, files or tools. Probably skip.

  • Common
  • Distinctive
  • Very specific
  1. Distinctive:

    Create experiment flow, named in tool-map.md.

    line 33
  2. Very specific:

    Read manage-experiments/SKILL.md and follow its Phase 1: Establish scope and Create experiment section (Steps 1-8) exactly as written, …

    line 39
  3. Very specific:

    If the tool interface you're running under can't follow a markdown link to load another skill's file on demand, read …

    line 48
  4. Distinctive:

    No independent tool calls: every MCP/CLI operation happens inside the delegated manage-experiments flow, so there's no duplicate scope …

    line 72

≈ “Common” is an estimate: at least 1 in 5 of the 350,495 skill files we read have a rule of the same kind, not the same words. “Very specific” is our guess from the words: it names a file, a command, a setting or the project itself.

Keep what fits and drop the rest. Your version, ready for your agents.
Files
SKILL.md

Create Experiment

Compatibility entrypoint kept for direct /create-experiment invocation. This skill does not duplicate any workflow - it hands the entire creation flow to manage-experiments's Create experiment section and returns once that flow completes.

Tools

Performs no operations of its own; it uses the operations of manage-experiments' Create experiment flow, named in tool-map.md.

Instructions

Step 1: Delegate

Read manage-experiments/SKILL.md and follow its Phase 1: Establish scope and Create experiment section (Steps 1-8) exactly as written, using the current request's scope (org/project), parent flag + environment, hypothesis, metrics, treatments, window (startAt/endAt), and rule. Do not re-derive or re-interpret any of that section's logic here - this skill has no independent instructions for resolving treatments, choosing metrics, or drafting the payload; it only exists so /create-experiment remains a valid invocation.

If the tool interface you're running under can't follow a markdown link to load another skill's file on demand, read skills/fme/manage-experiments/SKILL.md directly (same repo, relative path) and proceed the same way.

Step 2: Return the result

Once manage-experiments' Step 8 (Verify) completes, report the created experiment's id, status, and the verified fields (baseline/comparison treatments, key/supporting metrics, rule) back to the user. Don't add a second verification pass - manage-experiments' Step 8 is authoritative.

Examples

  • "Create an experiment on the new-checkout flag" → delegate to manage-experiments Create flow, return created id
  • "Set up an A/B test for the pricing page" → same delegation
  • "Pause experiment pricing_test_2" → not this skill; route to manage-experiments (Update)
  • "Did the checkout experiment win?" → not this skill; route to review-experiment-results

Performance Notes

  • No independent tool calls: every MCP/CLI operation happens inside the delegated manage-experiments flow, so there's no duplicate scope resolution or double-verification to optimize away here.

Troubleshooting

IssueResolution
User asks to update/pause/resume/complete/archive/delete an existing experimentRoute to manage-experiments (Update/Delete), not this skill
User asks about results, winner, or significanceRoute to review-experiment-results
manage-experiments' Create flow stops on a missing decision (hypothesis, treatments, metrics)Surface that stop to the user here too - don't guess on its behalf
Delegated flow fails partway (e.g. 404 on parent, 409 duplicate name)Report the error as manage-experiments' Troubleshooting table describes; don't retry with invented values

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