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Top 23 JavaScript ai-agent Projects
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ponytail
Makes your AI agent think like the laziest senior dev in the room. The best code is the code you never wrote.
Project mention: Claude Code Skills Worth Trying: From Vague Idea to Finished Feature | dev.to | 2026-09-14Ponytail for keeping implementations simple.
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AppSignal
AppSignal knows why the f*#k it crashed. Stop vibe-debugging. Every exception, every backtrace, grouped so you see patterns, not noise.
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anything-llm
Stop renting your intelligence. Own it with AnythingLLM. Everything you need for a powerful local-first agent experience
AnythingLLM lets you create your own AI assistant that can work with your documents.
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Project mention: Free LLM API Tiers in October 2026: What's Left and How I Chain Them | dev.to | 2026-10-06
These figures come from the community-maintained awesome-free-llm-apis list, cross-checked against Groq's and OpenRouter's own rate-limit pages where I could. Every one of these endpoints is OpenAI SDK-compatible unless noted.
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cursor-talk-to-figma-mcp
TalkToFigma: MCP integration between AI Agent (Cursor, Claude Code, Codex) and Figma, allowing Agentic AI to communicate with Figma for reading designs and modifying them programmatically.
MCP Cursor Talk To Figma - a bit more demanding to set up (you need to set up a local server following the instructions and run the "Cursor Talk To Figma" plugin in Figma; works even without Dev Mode access).
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9router
Unlimited FREE AI coding. Connect Claude Code, Codex, Cursor, Cline, Copilot, Antigravity to FREE Claude/GPT/Gemini via 40+ providers. Auto-fallback, RTK -40% tokens, never hit limits.
Project mention: Exporting ANTHROPIC_BASE_URL does not reach the Claude Code panel in VSCode | dev.to | 2026-08-15The endpoint is a 9Router instance, whose Anthropic-compatible /v1/messages fronts a long list of providers. The toolkit hard-codes none of them; it reads a gitignored local file:
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ai-agents-from-scratch
Demystify AI agents by building them yourself. Local LLMs, no black boxes, real understanding of function calling, memory, and ReAct patterns.
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unlazy
Anti-laziness skill for AI agents. Core: the Depth Tree method, which splits a task N layers deep and gives every leaf the full time budget of the whole task, so effort multiplies with depth. Grounded in 2025-2026 research on model laziness, underthinking and premature completion. (by Leonxlnx)
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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neo
Neo.mjs is a self-evolving software organism: a professional end-to-end AI engineering team whose cross-model swarm inhabits live apps via Neural Link, Active Hybrid GraphRAG, DreamService, and self-healing loops. (by neomjs)
Actor Model, dedicated or shared application worker. Full support for multi-window apps. Resolved since 2019. 26000 commits in, and counting. You are welcome!
https://github.com/neomjs/neo/blob/dev/learn/benefits/body/O...
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brightdata-mcp
A powerful Model Context Protocol (MCP) server that provides an all-in-one solution for public web access.
happy to offer a counter of some great products for anti-bot defeat:
https://brightdata.com/
https://www.zenrows.com/
https://www.capsolver.com/
https://scrapfly.io/
hundreds of millions of residential ips, human browser fingerprints, custom browser binaries, auto solve of turnstyle, recaptcha v3, kasada, datadome, AWS WAF, etc if they come up.
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stop-that-shit
Stop That Shit（别再造史了）｜面向 Codex/GPT 场景的多平台 Hook + Skill Guard：拦截 AI coding agent 无需求的哈希、校验和与任务范围膨胀。 A multi-platform Hook + Skill Guard for AI coding agents in Codex/GPT workflows: stop unrequested hashes, checksums, and task-scope creep.
Project mention: Show HN: Stop That Shit – a guard against unrequested hashes from coding agents | news.ycombinator.com | 2026-08-29 -
Orkas
Open-source, local-first desktop AI workforce. A Commander turns goals into executable plans and coordinates specialist agents in parallel or sequence through one chat.
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Neurite
Fractal Graph-of-Thought. Rhizomatic Mind-Mapping for Ai-Agents, Web-Links, Notes, and Code.
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pilot-shell
Professional context and harness engineering for Claude Code and OpenAI Codex. Build production-grade software with spec-driven development, TDD, persistent memory, quality gates, code intelligence, human oversight, and end-to-end verification.
Project mention: Pilot Shell: Spec-driven plans; enforced quality gates; persistent knowledge | news.ycombinator.com | 2026-07-03 -
pro-workflow
Claude Code learns from your corrections: self-correcting memory that compounds over 50+ sessions. Context engineering, parallel worktrees, agent teams, and 17 battle-tested skills.
Project mention: Stop Rebuilding Your Claude Code Setup - Scaffold It Once with Worclaude | dev.to | 2026-04-16The workflow draws from Boris Cherny's tips (creator of Claude Code at Anthropic), patterns from Affaan Mir's everything-claude-code (Anthropic hackathon winner), Karpathy's coding principles, and community repos like pro-workflow.
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reelmimic
Show it a video you love. Get a new video in the same style. An AI crew (Claude Code or Codex) plans, builds and reviews it with you.
Project mention: I built an AI agent team that recreates the style of any video | news.ycombinator.com | 2026-09-30 -
ai-game-devtools
Your AI Game Dev Hub. The ultimate resource hub for AI-powered game development tools. Discover cutting-edge LLMs, World Model, Agent, Code, Image, Texture, Shader, 3D Model, Animation, Video, Audio, Music, Singing Voice and Analytics. 🔥
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Project mention: I built an open-source browser agent that runs on your local LLM (and now plugs into Claude Code via MCP) | dev.to | 2026-09-29
Code: https://github.com/webbrain-one/webbrain
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It's a nice demo and appreciate the guides on what won't work well. Also pretty nice to be able to try it out anonymously without having to sign in.
It'd be nice to have some info on how it's substantially different from something like https://github.com/earthtojake/text-to-cad (besides from being hosted). Is there a 'document' format you're working with besides from being able to export to stl? Can we download that / continue our work with another editor if we need to make updates? I guess how far into production parts is this project aiming to go?
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experts
Experts.js is the easiest way to create and deploy OpenAI's Assistants and link them together as Tools to create advanced Multi AI Agent Systems with expanded memory and attention to detail.
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agentsys
AI writes code. This automates everything else · 24 plugins · 49 agents · 44 skills · for Claude Code, OpenCode, Codex, Cursor, Kiro.
Project mention: Show HN: My way – 18-agent autonomous workflow for ClaudeCode – issues to deploy | news.ycombinator.com | 2026-01-17 -
claude-delegator
Delegate tasks to Codex and Gemini directly from within Claude Code. (by jarrodwatts)
I did not invent the delegation layer. claude-delegator is a fork of Jarrod Watts' original (MIT, upstream currently quiet), fully based on his design - I kept the structure and the license.
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They seem to be pitching something that pretty much all the decent models can already do..?
Obviously if your model is stuck inside a CLI terminal, then not so much. But in a GUI harness (shameless plug for my own one: https://juggler.studio, but I assume others can do this too), you just ask them to answer in HTML and they'll happily draw pretty pictures inline in the conversation. I've been doing this for ages with claude, GPT, Deepseek and others.
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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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A note from our sponsor - AppSignal
www.appsignal.com | 12 Oct 2026
Index
What are some of the best open-source ai-agent projects in JavaScript? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | ponytail | 161,292 |
| 2 | anything-llm | 66,867 |
| 3 | awesome-free-llm-apis | 9,390 |
| 4 | cursor-talk-to-figma-mcp | 7,046 |
| 5 | 9router | 6,614 |
| 6 | ai-agents-from-scratch | 4,836 |
| 7 | unlazy | 3,896 |
| 8 | neo | 3,289 |
| 9 | brightdata-mcp | 2,671 |
| 10 | stop-that-shit | 2,537 |
| 11 | Orkas | 2,152 |
| 12 | Neurite | 2,150 |
| 13 | pilot-shell | 2,085 |
| 14 | pro-workflow | 1,907 |
| 15 | reelmimic | 1,678 |
| 16 | ai-game-devtools | 1,359 |
| 17 | webbrain | 1,248 |
| 18 | browserable | 1,203 |
| 19 | text-to-cad | 1,127 |
| 20 | experts | 1,063 |
| 21 | agentsys | 993 |
| 22 | claude-delegator | 963 |
| 23 | juggler | 779 |
Sponsored
AppSignal knows why the f*#k it crashed.
Stop vibe-debugging. Every exception, every backtrace, grouped so you see patterns, not noise.
www.appsignal.com