Skip to content
TrustedSkillsbeta
Back to all skills

Runtime Type Reconstruction

Checked
marius-townhouse·vlatest·backend

This skill dynamically determines a variable’s data type at runtime, useful for flexible and adaptable code execution.

Repository

Install on your platform

Showing Claude Code. One command installs this skill into any of the agents below.

  1. 1

    Run this in your project

    terminal
    $ npx skills add marius-townhouse/effective-typescript-skills --skill runtime-type-reconstruction -a claude-code

  2. Uses the open-source skills CLI and needs Node.js. Add -g to install it for your user instead of this project.

What we know about this skill

Publisher

marius-townhouse

Taken from the source listing. We haven't verified who controls this account.

Install target

Live repository

Not pinned. Installing fetches whatever the repository holds at the time you run the command.

No human has reviewed this code. The checks below are a static scan of the files at one commit — nobody has run this skill or judged whether it works. A skill runs with whatever access you give your agent, so read the source before you install it.

Automated safety checks

scanned

This skill passed all 6 checks. We read its files at one commit and looked for the things that make a skill dangerous to run — not for whether it works.

  • Declares what it does: passed

    SKILL.md parses and declares a name and a description.

    SKILL.md exists, its frontmatter parses, and it declares a name and a description.

  • No undeclared network calls: passed

    Makes no network calls.

    Every host the skill dials — from its scripts, its config endpoints or the commands it tells the agent to run — is either well-known package and API infrastructure or declared in its own frontmatter. Links in documentation are not counted.

  • No obfuscated payloads: passed

    No encoded or obfuscated payloads.

    No base64, hex or compressed blob is decoded and then executed, and no encoded shell commands.

  • No credential access: passed

    Reads no keys, tokens, keychains or credential files.

    Neither the code nor the SKILL.md instructions read SSH keys, cloud credentials, keychains, token stores, browser cookie databases or dotfiles that hold secrets.

  • No pipe-to-shell installers: passed

    No pipe-to-shell or download-and-run installers.

    No `curl … | sh` pattern, in the code or in the instructions, that runs code fetched at run time.

  • Pinned to a commit: passed

    Scanned marius-townhouse/effective-typescript-skills at d754db2077.

    The exact upstream commit SHA that was scanned is recorded, so the result refers to specific bytes.

Commit
d754db2077
Manifest
skills/runtime-type-reconstruction/SKILL.md
Scanned
1 file, 52 lines
This is a static scan, not a review. It reads the skill's files; it does not run them, and it cannot tell you whether the skill is any good or whether the code does what its description says. A skill runs with whatever access you give your agent.
What each check looks for →

About this skill

What it does

This skill allows an AI agent to reconstruct TypeScript types at runtime. It can infer the type of a value based on its structure and usage, even when that information isn't explicitly available in the code. This is particularly useful for working with dynamic data or legacy systems where type information might be missing.

When to use it

  • Debugging: Determine the actual type of a variable during runtime to identify unexpected behavior.
  • Data Transformation: Infer types from JSON data and automatically generate TypeScript interfaces or classes.
  • Legacy Code Analysis: Understand the structure of codebases lacking explicit type annotations.
  • Dynamic Form Generation: Generate form schemas based on the inferred types of data fields.

Key capabilities

  • Runtime type inference
  • TypeScript type reconstruction
  • Analysis of JavaScript/TypeScript code structures

Example prompts

  • "What is the TypeScript type of this variable: const myVar = { name: 'John', age: 30 }?"
  • "Reconstruct a TypeScript interface from this JSON data: { "id": 1, "title": "My Task", "completed": false }."
  • “Analyze the following code snippet and tell me what type result is: const result = someFunction();”

Tips & gotchas

This skill requires a basic understanding of TypeScript types. The accuracy of type reconstruction depends on the complexity of the code or data being analyzed; very complex structures may lead to less precise results.