effect-core-patterns
Master core Effect patterns for building type-safe, composable applications with Effect, covering types, constructors, and composition.
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The effect-core-patterns skill was audited on Feb 9, 2026 and we found 12 security issues across 3 threat categories. Review the findings below before installing.
Categories Tested
Security Issues
medium line 199
Template literal with variable interpolation in command context
SourceSKILL.md
| 199 | const response = await fetch(`/api/users/${id}`) |
medium line 201
Template literal with variable interpolation in command context
SourceSKILL.md
| 201 | throw new Error(`HTTP ${response.status}`) |
medium line 216
Template literal with variable interpolation in command context
SourceSKILL.md
| 216 | Effect.tryPromise(() => fetch(`/api/users/${id}`).then(r => r.json())) |
medium line 462
Template literal with variable interpolation in command context
SourceSKILL.md
| 462 | Effect.tap(user => log(`Fetched user: ${user.name}`)), |
low line 335
Fetch to external URL
SourceSKILL.md
| 335 | // Effect.runSync(Effect.promise(() => fetch("..."))) // Runtime error! |
low line 616
External URL reference
SourceSKILL.md
| 616 | - [Effect Website](https://effect.website/) |
low line 617
External URL reference
SourceSKILL.md
| 617 | - [Getting Started](https://effect.website/docs/quickstart) |
low line 618
External URL reference
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| 618 | - [The Effect Type](https://effect.website/docs/getting-started/the-effect-type) |
low line 619
External URL reference
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| 619 | - [Creating Effects](https://effect.website/docs/getting-started/creating-effects) |
low line 620
External URL reference
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| 620 | - [Using Generators](https://effect.website/docs/getting-started/using-generators) |
low line 621
External URL reference
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| 621 | - [Running Effects](https://effect.website/docs/getting-started/running-effects) |
low line 626
External URL reference
SourceSKILL.md
| 626 | - [Effect Discord](https://discord.gg/effect-ts) |
Scanned on Feb 9, 2026
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Categorydevelopment
UpdatedMay 21, 2026
majiayu000/claude-skill-registry