TypeScript llms

Open-source TypeScript projects categorized as llms
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Top 23 TypeScript llm Projects

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  1. 12-factor-agents

    What are the principles we can use to build LLM-powered software that is actually good enough to put in the hands of production customers?

    Project mention: Agents need control flow, not more prompts | news.ycombinator.com | 2026-05-07

    Own your control flow! A key point from 12 factor agents.

    "One thing that I have seen in the wild quite a bit is taking the agent pattern and sprinkling it into a broader more deterministic DAG." - https://github.com/humanlayer/12-factor-agents/blob/main/REA...

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  3. stagehand

    The AI Browser Automation library by Browserbase. Write web automation scripts in plian english with primitives like act('click this button'), extract('get the price for xyz product'), and observe('find the submit button').

    Project mention: Browser Tools for AI Agents Part 1: Playwright, Puppeteer, and Why Your Agent Picked Playwright | dev.to | 2026-04-26

    Right. So Stagehand (21.8k stars) is Browserbase's TypeScript SDK and it does something properly clever. It wraps Playwright with three AI primitives: act() (do something on the page), extract() (pull structured data out), and agent() (let the LLM figure out a multi-step flow). On paper that sounds like yet another Playwright wrapper. It isn't.

  4. dyad

    Local, open-source AI app builder for power users ✨ v0 / Lovable / Replit / Bolt alternative 🌟 Star if you like it!

    Project mention: Vibe coded Lovable-hosted app littered with basic flaws exposed 18K users | news.ycombinator.com | 2026-02-27

    One dev of a Lovable competitor pointed me to the rules thats supposed to ensure queries are limited to that user's data. This seems like "pretty please?" to my amateur eyes.

    https://github.com/dyad-sh/dyad/blob/de2cc2b48f2c8bfa401608c...

  5. gateway

    A blazing fast AI Gateway with integrated guardrails. Route to 1,600+ LLMs, 50+ AI Guardrails with 1 fast & friendly API.

    Project mention: gateway VS bifrost - a user suggested alternative | libhunt.com/r/gateway | 2026-05-26

  6. humanlayer

    The best way to get AI coding agents to solve hard problems in complex codebases.

    Project mention: DeepSeek V4–almost on the frontier, a fraction of the price | news.ycombinator.com | 2026-05-02

    So RPI and QRSPI skills(e.g. https://github.com/mattpocock/skills and https://github.com/humanlayer/humanlayer/tree/main/.claude/c... and https://github.com/dfrysinger/qrspi-plus ) for working with claude code work well enough for me that they can reliably produce code that matches the plan/spec in a way they did not till December 2025.

    I have a gut feeling that these models can do just as well, has someone run a reasonable size task — >=1-2 days of designing and planning — and see it work well with these models?

  7. pyspur

    A visual playground for agentic workflows: Iterate over your agents 10x faster

  8. ChainForge

    An open-source visual programming environment for battle-testing prompts to LLMs.

  9. openlit

    Open source platform for AI Engineering: OpenTelemetry-native LLM Observability, GPU Monitoring, Guardrails, Evaluations, Prompt Management, Vault, Playground. 🚀💻 Integrates with 50+ LLM Providers, VectorDBs, Agent Frameworks and GPUs.

  10. codel

    ✨ Fully autonomous AI Agent that can perform complicated tasks and projects using terminal, browser, and editor. (by semanser)

  11. chat-with-gpt

    An open-source ChatGPT app with a voice

  12. vector-admin

    The universal tool suite for vector database management. Manage Pinecone, Chroma, Qdrant, Weaviate and more vector databases with ease.

  13. Agentset

    The open-source RAG platform: built-in citations, deep research, 22+ file formats, partitions, MCP server, and more.

    Project mention: Ask HN: What Are You Working On? (February 2026) | news.ycombinator.com | 2026-02-08

    https://agentset.ai/

    Open-source RAG infrastructure.Every team I talk to has the same experience: RAG works in the demo, breaks in production.

    We handle ingestion through retrieval with optimizations baked in. 97.9% on HotpotQA vs 88.8% for standard RAG. Model-agnostic, 22+ file types, built-in citations, MCP server. MIT licensed.

    https://github.com/agentset-ai/agentset

  14. KaibanJS

    KaibanJS is a JavaScript-native framework for building and managing multi-agent systems with a Kanban-inspired approach.

  15. llmgateway

    Route, manage, and analyze your LLM requests across multiple providers with a unified API interface.

    Project mention: LiteLLM Python package compromised by supply-chain attack | news.ycombinator.com | 2026-03-24

    Checkout LLM Gateway: https://llmgateway.io

    Migration guide: https://llmgateway.io/migration/litellm

  16. prompty

    Prompty makes it easy to create, manage, debug, and evaluate LLM prompts for your AI applications. Prompty is an asset class and format for LLM prompts designed to enhance observability, understandability, and portability for developers.

    Project mention: Prompty: An asset class and format for LLM prompts | news.ycombinator.com | 2025-06-14

  17. agents

    Create AI Agents in a No-Code Visual Builder or TypeScript SDK with full 2-way sync. For shipping AI assistants and multi-agent AI workflows. (by inkeep)

    Project mention: Launch HN: Inkeep (YC W23) – Open-Source Agent Builder | news.ycombinator.com | 2025-10-16

    Inkeep SDK – Elastic License 2.0 with Supplemental Terms https://github.com/inkeep/agents?tab=License-1-ov-file#readm...

  18. mcp-framework

    The Typescript MCP Framework (by QuantGeekDev)

    Project mention: Create your first MCP server using the MCP Framework. Guide to testing/debugging with MCP Inspector. | dev.to | 2026-03-04

    Since I’m currently learning it too, I want to share how to build your first MCP server using MCP Framework. After that, we’ll test it with MCP Inspector, then finally add it to an MCP host — in this case, Copilot.

  19. probly

  20. llms-txt-hub

    🤖 The largest directory for AI-ready documentation and tools implementing the proposed llms.txt standard

    Project mention: llms.txt: The File That Decides Whether AI Can Find Your Site | dev.to | 2026-05-08

    Other adopters include Anthropic, Cursor, Mintlify, and a growing list tracked on llms-txt-hub on GitHub.

  21. hashbrown

    Hashbrown is a framework for building agents that run the browser. Built for Angular and React. (by liveloveapp)

    Project mention: The Landscape of Generative UI in 2026 | dev.to | 2026-03-18

    Hashbrown main README

  22. CreateMVP

    Create MVPs with AI in seconds

  23. SolidUI

    one sentence generates any graph

  24. GPTRouter

    Smoothly Manage Multiple LLMs (OpenAI, Anthropic, Azure) and Image Models (Dall-E, SDXL), Speed Up Responses, and Ensure Non-Stop Reliability.

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).

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TypeScript llms related posts

  • llms.txt: The File That Decides Whether AI Can Find Your Site

    1 project | dev.to | 8 May 2026

  • DeepSeek V4–almost on the frontier, a fraction of the price

    9 projects | news.ycombinator.com | 2 May 2026

  • Mozilla Thunderbolt

    8 projects | news.ycombinator.com | 16 Apr 2026

  • From zero to a RAG system: successes and failures

    5 projects | news.ycombinator.com | 26 Mar 2026

  • Browser Automation Built for Agents

    2 projects | dev.to | 5 Mar 2026

  • Your CI/CD Pipeline Is Not Ready To Ship AI Agents

    1 project | dev.to | 18 Feb 2026

  • If You’re Building in 2026, Start Here 📈

    10 projects | dev.to | 21 Jan 2026
  • A note from our sponsor - SaaSHub
    www.saashub.com | 13 Jun 2026
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Index

What are some of the best open-source llm projects in TypeScript? This list will help you:

# Project Stars
1 12-factor-agents 23,203
2 stagehand 23,092
3 dyad 20,596
4 gateway 12,042
5 humanlayer 10,983
6 pyspur 5,734
7 ChainForge 2,996
8 openlit 2,519
9 codel 2,446
10 chat-with-gpt 2,361
11 vector-admin 2,197
12 Agentset 2,012
13 KaibanJS 1,453
14 llmgateway 1,288
15 prompty 1,217
16 agents 1,196
17 mcp-framework 921
18 probly 897
19 llms-txt-hub 856
20 hashbrown 706
21 CreateMVP 647
22 SolidUI 644
23 GPTRouter 455

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