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Effect Core

Explains how to create, compose, and run effects in Effect-TS, focusing on both synchronous and asynchronous computations.

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Security score

The Effect Core skill was audited on Feb 12, 2026 and we found 7 security issues across 2 threat categories, including 1 high-severity. Review the findings below before installing.

Categories Tested

Security Issues

medium line 80

Template literal with variable interpolation in command context

SourceSKILL.md
80Effect.succeed(`Result: ${n}`)
medium line 94

Template literal with variable interpolation in command context

SourceSKILL.md
94return `Sum: ${result}`
medium line 103

Template literal with variable interpolation in command context

SourceSKILL.md
103Effect.flatMap((b) => Effect.succeed(`Sum: ${a + b}`))
medium line 162

Template literal with variable interpolation in command context

SourceSKILL.md
162Effect.tap((n) => Effect.log(`Got value: ${n}`)),
high line 225

Template literal with variable interpolation in command context

SourceSKILL.md
225For comprehensive documentation on all Effect APIs, patterns, and advanced usage, consult the full Effect documentation at `${CLAUDE_PLUGIN_ROOT}/references/llms-full.txt`.
low line 57

Fetch to external URL

SourceSKILL.md
57const fromPromise = Effect.promise(() => fetch("/api/data"))
low line 61

Fetch to external URL

SourceSKILL.md
61try: () => fetch("/api/data"),
Scanned on Feb 12, 2026
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GitHub Stars 55
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Categorysupport
UpdatedMay 21, 2026
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