Mirascope

Mirascope describes itself as an alternative approach to building applications with large language models.

github.com/Mirascope/mirascope
Mirascope homepage screenshot

About Mirascope

Mirascope is an open-source LLM 'anti-framework' for building applications powered by large language models. It provides a unified interface to access any frontier LLM, with implementations available for Python and TypeScript. Core capabilities include decorator-based LLM function calling, structured output parsing via Pydantic, tool use for building agents, and support for streaming, asynchronous operations, and multi-turn conversations. The project is structured as a monorepo, licensed under the MIT license, with separate codebases for each language, documentation, and a marketing website.

Key features

  • Unified interface for all frontier LLMs
  • Decorator-based LLM function calling
  • Structured output parsing with Pydantic
  • Tool use functionality for building LLM agents
  • Implementations for Python and TypeScript
  • Support for streaming, async, and multi-turn conversations
Best for: Developers building LLM-powered applications seeking a lightweight, unified interface for multiple frontier models.
Good for
  • Open source under the MIT license
  • Supports both Python and TypeScript
  • Provides a single unified interface for any frontier LLM

Mirascope at a glance

Type
Open-source project
Pricing
Not confirmed. Check the site
Open source
Yes · Source code
Language
English
Last checked
Oct 6, 2026 · Online when checked
Listed
Oct 5, 2026

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Mirascope FAQ

What is Mirascope?
An open-source LLM 'anti-framework' for building LLM-powered applications with a unified interface for any frontier LLM.
Which programming languages does Mirascope support?
It offers implementations in Python and TypeScript, each with accompanying example code.
Can Mirascope be used to build LLM agents?
Yes, it includes tool use functionality for constructing agents that can call external tools and process results.
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