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Best practices for creating research diagrams with Excalidraw MCP tools
Passed 8 of 15 test cases with the skill, and 5 of 15 without it.
and 4 more in the full report
7 fixed5 passed either way7 still failing3 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 7 test cases the skill fixed. Same model, same prompt, with and without the skill.
When positioning individual component boxes side-by-side inside a service group on the canvas, what is the minimum required pixel distance between adjacent elements?
| Checked | Without skill | With skill |
|---|---|---|
| The response specifies a minimum spacing of 40px between individual elements. | Missed | Passed |
The instructions your model reads when the skill loads.
Create a diagram when your research findings involve:
create_element or batch_create_elementsalign_elements and distribute_elements for clean layoutdescribe_scene to verify the diagram looks rightupdate_element to fix positioning or textgroup_elements to lock related items togetherNote: Do NOT export or share links — the user sees a live embedded canvas that auto-syncs.
Use consistent colors across diagrams:
| Purpose | Color | Hex |
|---|---|---|
| Primary concepts | Blue | #1971c2 |
| Positive / supported | Green | #2f9e44 |
| Negative / limitations | Red | #e03131 |
| Warning / caveats | Orange | #e8590c |
| Neutral / context | Gray | #868e96 |
| Highlight / focus | Yellow | #f08c00 |
test cases passed, vs 5 / 15 without
More skills from the same source and nearby in the registry, with their headline benchmark lift.