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TileMap Review · randallliuxin | DecimalAI

code reviewby randallliuxin

TileMap Review

randallliuxin/tilemap-review

Source randallliuxin/godotmaker ↗License NOASSERTION

Reviews Godot TileMap implementation for known pitfalls. Triggers AFTER implementation, when code involves TileMapLayer, TileSet, TileSetAtlasSource, TileSetScenesCollectionSource, terrain painting, set_cell, erase_cell, get_cell_tile_data, collision polygons on tiles, or NavigationRegion2D with tile-based navigation.

SkillScore77Maintained

Automatic

Coding pack

Last verified 8/20/2026

What it changes

Passed 17 of 22 test cases with the skill, and 13 of 22 without it.

Without skill59%

With skill77%

Checks it passed that the model alone missed

Delegates exact API lookup to the godot-api skill
References reading gotchas.md as the primary reference
States reading or loading gotchas.md as the first step

and 2 more in the full report

5 fixed12 passed either way4 still failing1 broke

Pass-rate lift: +18 pp
Tokens: -30%
Agent turns: 0%
Response time: -45%

Model gemini-3.6-flashMeasured 8/20/2026v117 of 22 cases passed with skill

Tokens, turns and time describe resource use, not a dollar price.

Use this skill

Save it into your project's skills folder. Claude Code picks it up in its next session.

curl -fsSL --create-dirs -o .claude/skills/randallliuxin-tilemap-review/SKILL.md https://app.decimal.ai/s/randallliuxin-tilemap-review/SKILL.md

Want it pinned and updatable? pip install "decimalai>=0.15", then decimalai skills add randallliuxin-tilemap-review, and start Claude Code with claude --plugin-dir "$(git rev-parse --show-toplevel)/.agents"

1 · One-time — install the CLI (docs ↗)

pip install "decimalai>=0.15"

2 · Get the skill — writes .agents/skills/randallliuxin-tilemap-review/ and pins it in .decimal/skills.lock

decimalai skills add randallliuxin-tilemap-review

No CLI? Get the same file — curl · raw file

curl -fsSL --create-dirs -o .claude/skills/randallliuxin-tilemap-review/SKILL.md https://app.decimal.ai/s/randallliuxin-tilemap-review/SKILL.md

Raw file: /s/randallliuxin-tilemap-review/SKILL.md ↗ · machine-readable summary at /s/randallliuxin-tilemap-review.json ↗

Safety checks: 3 of 3 passed

Code scan CleanIntent PassedContent Clean

See it in action

One of 5 test cases the skill fixed. Same model, same prompt, with and without the skill.

1 of 5

Prompt

During your review of my GDScript TileMapLayer code, you notice an unfamiliar method call signature on TileSetAtlasSource. Which specialized domain helper should be consulted for exact Godot API parameter signatures?

What was checked, without and with the skill
Checked	Without skill	With skill
Delegates exact API lookup to the godot-api skill	Missed	Passed

case-07 · gemini-3.6-flash · 8/20/2026 · answers are capped and redacted

What's inside

The instructions your model reads when the skill loads.

SKILL.md26 linessingle file

TileMap Review

Post-implementation reviewer for Godot TileMap code. Checks against known gotchas that LLMs consistently get wrong.

When to trigger

After TileMap-related code is written or modified. Look for:

TileMapLayer, TileSet, TileSetAtlasSource, TileSetScenesCollectionSource nodes
Cell operations (set_cell, erase_cell, set_cells_terrain_connect)
TileData access (get_cell_tile_data)
Collision/navigation polygon configuration on tiles
y_sort_enabled on TileMapLayer
NavigationRegion2D with TileMapLayer children

Review process

Read gotchas.md
Scan the implemented code against each gotcha
For each hit:
- Cite the gotcha ID (e.g. G1)
- Show the offending code
- Provide the fix
If no hits, report clean
Optionally run checklist.md static checks for automated verification

When you need specific API details, delegate to the godot-api skill.

Track record

Benchmark

17 / 22

test cases passed, vs 13 / 22 without

Adoption

Users: 0
Times used: 0

Safety and source details

SkillSafety

✓ 3 of 3 passed

Code scan15 of 15 checks clean

0 critical · 0 warning · 0 info — scanner v4 — 8/3/2026

View 15 scanner checks

live_secretremote_code_executionreverse_shelldata_exfiltrationssrf_metadataagent_snoopinganti_refusaldestructive_commandsobfuscated_unicodeunicode_homoglyphopaque_blobsuspicious_urltool_overreachtrigger_abuseprompt_injection_phrasing

IntentSafe

LLM judge · does the skill do what it claims

ContentClean

LLM judge · policy & harmful-content review

Source

Imported

randallliuxin / godotmaker

skills/reviewer/tilemap/SKILL.md

View on GitHub ↗

License NOASSERTIONImported 8/3/2026Version v1

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More skills from the same source and nearby in the registry, with their headline benchmark lift.

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See it in action

What's inside

TileMap Review

When to trigger

Review process

Track record

Benchmark

Adoption

SkillSafety

Source

Other skills for the same job

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