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Flow Type Checking · react | DecimalAI

code reviewby react

Flow Type Checking

react/flow

Source react/react ↗License MIT

Use when you need to run Flow type checking, or when seeing Flow type errors in React code.

SkillScore100Maintained

Automatic

Frontend / UI pack

Last verified 9/26/2026

What it changes

Passed 24 of 24 test cases with the skill, and 8 of 24 without it.

Without skill33%

With skill100%

Checks it passed that the model alone missed

The response specifies `yarn flow fabric`.
The response specifies `yarn flow dom-node`.
The response specifies running `yarn flow-ci`.

and 13 more in the full report

16 fixed8 passed either way0 still failing0 broke

Pass-rate lift: +67 pp
Tokens: -58%
Agent turns: 0%
Response time: -66%

Model gemini-3.6-flashMeasured 9/26/2026v124 of 24 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/react-flow/SKILL.md https://app.decimal.ai/s/react-flow/SKILL.md

Want it pinned and updatable? pip install "decimalai>=0.15", then decimalai skills add react-flow, 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/react-flow/ and pins it in .decimal/skills.lock

decimalai skills add react-flow

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

curl -fsSL --create-dirs -o .claude/skills/react-flow/SKILL.md https://app.decimal.ai/s/react-flow/SKILL.md

Raw file: /s/react-flow/SKILL.md ↗ · machine-readable summary at /s/react-flow.json ↗

Safety checks: 3 of 3 passed

Code scan CleanIntent PassedContent Clean

See it in action

One of 16 test cases the skill fixed. Same model, same prompt, with and without the skill.

1 of 16

Prompt

Before merging a large refactor branch, we want to run the slower but comprehensive Flow validation step locally. Which command is designated for this comprehensive check?

What was checked, without and with the skill
Checked	Without skill	With skill
The response specifies running `yarn flow-ci`.	Missed	Passed

case-18 · gemini-3.6-flash · 9/26/2026 · answers are capped and redacted

What's inside

The instructions your model reads when the skill loads.

SKILL.md25 linessingle file

Flow Type Checking

Arguments:

$ARGUMENTS: Renderer to check (default: dom-node)

Renderers

Renderer	When to Use
`dom-node`	Default, recommended for most changes
`dom-browser`	Browser-specific DOM code
`native`	React Native
`fabric`	React Native Fabric

Instructions

Run yarn flow $ARGUMENTS (use dom-node if no argument)
Report type errors with file locations
For comprehensive checking (slow), use yarn flow-ci

Common Mistakes

Running without a renderer - Always specify or use default dom-node
Ignoring suppressions - Check if $FlowFixMe comments are masking real issues
Missing type imports - Ensure types are imported from the correct package

Track record

Benchmark

24 / 24

test cases passed, vs 8 / 24 without

Adoption

Users: 11
Times used: 185

Safety and source details

SkillSafety

✓ 3 of 3 passed

Code scan15 of 15 checks clean

0 critical · 0 warning · 0 info — scanner v5 — 8/31/2026

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

react / react

.claude/skills/flow/SKILL.md

View on GitHub ↗

License MITImported 8/31/2026Version v1

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

Ready to supercharge your AI agents?

See it in action

What's inside

Flow Type Checking

Renderers

Instructions

Common Mistakes

Track record

Benchmark

Adoption

SkillSafety

Source

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