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Kiln

Kiln-AI/Kiln

Build, Evaluate, and Optimize AI Systems

GitHub Website

GraphCanon updated 1mo · GitHub synced 1mo · 31 views this month

5.0k stars374 forksLast push 1mo Python Other

Decision brief

Kiln is a versatile AI systems development toolkit that excels in comprehensive evaluation frameworks for agents, RAG components, and fine-tuning processes.

Good fit when

When you need extensive tools for evaluating custom AI agents
For projects requiring retriever-augmented generation with robust optimization features

Avoid when

If your project strictly requires a lightweight tool without comprehensive dataset management options
Avoid if you do not require advanced synthetic data generation capabilities

Observed Jul 12, 2026 · Source: enrich:decision_facts

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Maintenance and security

Full trust report

Maintenance: Very active (0d since push); As of 1mo
Provenance: Not a fork · Organization account; As of 1mo
Security (OSV): No MCP manifest; As of 1mo

Public GitHub metadata and optional OSV scans. Signals, not a guarantee. Trust methodology.

Install

pip install Kiln

PyPI

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Evidence and technical details

Sourced facts, taxonomy, compatibility claims, README excerpt, and machine-readable endpoints.

Overview

A comprehensive toolkit for building, evaluating, and optimizing various aspects of AI systems including agents, retriever-augmented generation (RAG), fine-tuning models, synthetic data generation, dataset management, and more.

Capability facts

Languages: python
Source: github.language+pyproject.toml · Jul 24, 2026

Compatibility

Sourced claims from the README excerpt - not unsourced marketing copy.

Python runtimePython

Source: README excerpt (regex_v1, Aug 23, 2026)

Kiln's core Python library and REST server are [MIT-licensed](libs/core/LICENSE.txt). The desktop a

Source link

README

License & Trademarks

Kiln's core Python library and REST server are MIT-licensed. The desktop app is source-available, free to use, and built on the fair-code model — so Kiln stays free for individuals while remaining sustainable.

Datasets are open JSON. You own and control your datasets.

Kiln Pro is our service that adds the AI Assistant, Auto-Optimize, and the Eval Builder. It's opt-in, and the core Kiln app remains fully functional without it.

The Kiln name and logos are trademarks of Chesterfield Laboratories Inc.

For agents

This page has a .md twin and JSON over the API.

/tools/kiln-ai-kiln.md GET /api/graphcanon/tools/kiln-ai-kiln GET /api/graphcanon/graph?tool=kiln-ai-kiln