Agentastic.dev

Agentastic.dev

Agentastic
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About

Agentastic.dev is a native macOS development workspace for software developers using AI coding agents. It combines an editor, terminal, browser, Git tools, and agent sessions so users can launch multiple coding agents and isolate tasks in Git worktrees or containers. Developers can inspect diffs, run code-review workflows, test applications in the built-in browser, and start work from prompts, specifications, or supported issues and team tools. The product supports a catalog of coding-agent command-line tools and allows custom terminal-based agents. Work can run locally, on SSH-accessible development machines, or in supported cloud environments. An iPhone companion lets users monitor sessions and respond when agents need input. The macOS app is free; subscriptions and API usage for third-party agents are paid to those providers.

About

Pi is a minimal terminal coding harness built to adapt to developer workflows instead of forcing developers to adapt to it. It ships with powerful defaults, but stays intentionally small and aggressively extensible, letting users customize Pi with extensions, skills, prompt templates, themes, and shareable packages from npm or git. If a team needs a command, tool, provider, workflow, or UI tweak, they can ask Pi to build it, manipulate it in place, reload, and keep going. Pi supports interactive, print/JSON, RPC, and SDK modes, making it usable as a full terminal UI, a scriptable command, a JSON event stream, or an embeddable agent harness. It works with 15+ providers and hundreds of models, including Anthropic, OpenAI, Google, Azure, Bedrock, Mistral, Groq, Cerebras, xAI, Hugging Face, Kimi For Coding, MiniMax, OpenRouter, Ollama, and more, with mid-session model switching.

Platforms Supported

Windows Not Supported
Mac Supported
Linux Supported
Cloud Not Supported
On-Premises Not Supported
iPhone Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Supported
Mac Supported
Linux Supported
Cloud Not Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Software developers and engineering teams who want to run, coordinate, and review AI coding agents across development tasks.

Audience

Developers and AI tool builders who want a minimal, extensible terminal coding agent they can customize, script, embed, and adapt to their own workflows

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Not Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Not Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

Pricing

$0
The macOS app is free to download and use. Third-party coding-agent subscriptions and API usage are billed by their respective providers.
Free Version Supported
Free Trial Not Supported

Pricing

Free
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

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Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 5.0 / 5
design 5.0 / 5
support 5.0 / 5

Pros & Cons from Real Users

Pros

  • Pi Agent looks really appealing from a developer’s point of view because it is simple, open-source, and focused on the actual mechanics of building coding agents. It is not trying to be a giant all-in-one platform. It gives you the core pieces: a unified LLM API, an agent loop, a terminal UI, and a coding-agent CLI. I especially like the context-engineering approach. Being able to control project instructions with AGENTS.md, customize the system prompt with SYSTEM.md, and manage long sessions through compaction makes Pi feel built for developers who actually understand how fragile agent context can be. The open-source MIT license is a big plus too. If I am building serious agent workflows, I want to inspect the harness, modify it, swap models, and understand what is happening under the hood instead of being locked into a black-box coding assistant.

Cons

  • Pi Agent is probably not the best fit for someone who wants a polished, fully managed AI coding product out of the box. It feels more like a toolkit for developers who are comfortable configuring their own workflows, choosing models, and tuning the agent behavior. I would also want to test reliability carefully before using it on production repos. Coding agents can make impressive changes, but they can also get stuck, over-edit files, miss project conventions, or make subtle mistakes if the context and guardrails are not set up well. The simplicity is a strength, but it also means you may need to bring more of your own infrastructure, evals, permissions, and safety controls.

Training

Documentation Not Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Agentastic
www.agentastic.dev/

Company Information

Pi
United States
pi.dev/

Alternatives

No Alternatives

Alternatives

Amp

Amp

Amp Code
Claude Code

Claude Code

Anthropic
Grok Bot

Grok Bot

SpaceXAI
Cline

Cline

Cline AI Coding Agent

Categories

AI Coding Agents Supported

Categories

Integrations

Amazon Bedrock Not Supported
Claude Fable 5 Not Supported
Claude Mythos 5 Not Supported
Claude Opus 5 Not Supported
Claude Sonnet 5.5 Not Supported
GPT-6 Astra Not Supported
Gemini 3.1 Pro Not Supported
Graphify Not Supported
Groq Not Supported
HOL Guard Not Supported
Kimi K3 Not Supported
Linear Supported
MemPalace Not Supported
Microsoft Azure Not Supported
MiniMax Not Supported
MiniMax M2.7 Not Supported
Ollama Not Supported
OpenAI Not Supported
Slack Supported

Integrations

Amazon Bedrock Supported
Claude Fable 5 Supported
Claude Mythos 5 Supported
Claude Opus 5 Supported
Claude Sonnet 5.5 Supported
GPT-6 Astra Supported
Gemini 3.1 Pro Supported
Graphify Supported
Groq Supported
HOL Guard Supported
Kimi K3 Supported
Linear Not Supported
MemPalace Supported
Microsoft Azure Supported
MiniMax Supported
MiniMax M2.7 Supported
Ollama Supported
OpenAI Supported
Slack Not Supported
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