Frontend Frameworks

Langchain Ts

Extracts Langchain prompts and generates TypeScript types.

Status
Generally available
Last checked
Checked · Oct 14, 2026
License
Open source
Pricing
Free tier · from $0
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What it is

Langchain-ts is a tool that extracts Langchain prompts from your codebase and automatically generates TypeScript types for them, enhancing type safety in development workflows involving Langchain.

Langchain-ts stands out by providing a seamless integration for generating TypeScript types directly from Langchain prompts, offering enhanced type safety and automation in the development process.

When it fits — and when it doesn’t

A good fit for

  • TypeScript developers working on projects that heavily integrate with Langchain, requiring robust type safety.

  • Teams looking to automate the generation of TypeScript types from Langchain prompts to streamline development processes.

Look elsewhere if

  • Projects not using TypeScript or Langchain.

  • Developers who prefer manual management of type definitions over automated solutions.

Known weaknesses

Each one links to the public issue, changelog or docs page it came from, where we have one.

  1. 01

    Limited integrations with other TypeScript libraries

    Lacks native support for popular TypeScript utilities and frameworks, requiring custom integration workarounds

What it does well

  • Automatically generates TypeScript types for Langchain prompts.

  • Enhances type safety in development workflows involving Langchain.

  • Integrates seamlessly with existing TypeScript projects.

Pricing

Free tier
YesOpen source — free to use
Paid from
$0
Model
Flat rate
Enterprise plan
No

Pricing not independently confirmed — check the vendor’s page.

Performance benchmarks

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Set up Langchain Ts

Setup steps, common gotchas and what to check after 30 days.

Open the setup guide →
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Markdown

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