Categories

Developer Tools

1. box

Box offers the simplest, cheapest cloud computers for agents, thought for builders of agentic platforms & software factories. Run 'box new' in your terminal, in 2s get a beefy ubuntu VM, with admin rights, a desktop, ssh access. At $0.036/hr it is 10x less expensive than the likes of E2B, Daytona, Modal, so you can run more agents, or run them longer. Run up to 1000 concurrent boxes fully self-served, or ask us for more, with same-day support from the founders.

Artificial Intelligence Developer Tools

124

2. Kastra

Kastra is the runtime authorization layer for AI agents. It decides what agents can and cannot do before actions execute, enforcing policies with sub-1 ms latency across tools, prompts, inputs, and outputs. Use one control plane to govern agents and policies across Claude Code, Cursor, Codex, OpenClaw, the Anthropic SDK, the OpenAI SDK, and more. Prevent unauthorized tool use, prompt injection, and exposure of sensitive data before they become incidents. Trust the rules, not the agents.

Artificial Intelligence Developer Tools Security

3. Humalike x Hermes

One command gives your Hermes agent social intelligence. It decides when to speak, adapts to your group's tone and remembers who said what. Works in group chats on Slack, Telegram and WhatsApp.

Artificial Intelligence APIs & Integrations Developer Tools

100

4. Manifest

Manifest turns any webpage into a structured JSON map of what an AI agent can click, fill, and submit. One API call, no fragile selectors. Every action comes with resolved CSS/role locators, plus a requires field that encodes dependencies between elements (e.g. "select a plan before this button is clickable"). That's context aria snapshots don't give you. Python SDK, LangChain support, and an MCP server included. Built for anyone shipping browser agents.

Artificial Intelligence APIs & Integrations Developer Tools

5. Skim

Skim is a free, open-source (MIT) email client for Windows. ✂️ Minimal on purpose: no calendar, no rules engine, no bloat. Fewer buttons, less cognitive load. ⚡ Native Rust core (Tauri 2): ~5 MB installer, sub-second cold start, instant full-text search. 🔒 Local-first, offline-ready, zero telemetry. ✦ AI on your terms: bring your own Anthropic or OpenRouter key and Skim drafts replies in your voice and answers questions across your whole mailbox.

Developer Tools Open Source

6. CreateOS Sandbox

CreateOS Sandbox gives AI agent builders their own fast, secure, hardware isolated, sandbox in ~30ms (p90). We have suit of CLI, SDK, 50+ SDK real world examples, claude plugins, computeSDK integration, and more

Artificial Intelligence Developer Tools SaaS

114

7. Phantomstory

Phantomstory helps teams win AEO by launching third-party blogs on fresh domains in under 5 minutes. With just two clicks, Phantomstory provisions credible content hubs that incrementally publish AI-search-ready articles. The secret? A portion of these expertly-written articles are designed to help LLMs discover, understand, and recommend your company. Stop thinking about AEO as just a monitoring problem; with Phantomstory, transform AEO into an actionable plan that actually drives results.

Developer Tools Marketing Tools

167

8. ditto.site

Point Ditto at any public URL and get a faithful copy as clean, componentized Next.js or Vite code, in minutes. It's fully deterministic, so it's fast, cheap, and consistent. Components, tokens, interactions & hover states included. Free REST API + MCP server, open source.

Design Tools Developer Tools Open Source

129

9. CartAI

Checkout is the hard part, and most solutions clear it only where the merchant has integrated. CartAI completes checkout on any live merchant surface with no merchant-side work, cooperating with bot detection instead of evading it. One developer-first API, four products: Catalog (search and live pricing across merchants), Checkouts (clear and track orders to confirmation), Payments (PCI off your stack via Visa and Mastercard agent rails), Monetization (commissions on every agent sale).

Artificial Intelligence Developer Tools SaaS

10. Creed

Personal context for your agents. Creed gives every connected AI a shared, up-to-date understanding of who you are, how you work, and what matters.

Artificial Intelligence Developer Tools Productivity

169

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Categories

Developer Tools

1. box

2. Kastra

3. Humalike x Hermes

4. Manifest

5. Skim

6. CreateOS Sandbox

7. Phantomstory

8. ditto.site

9. CartAI

10. Creed

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Developer Tools

1. box

2. Kastra

3. Humalike x Hermes

4. Manifest

5. Skim

6. CreateOS Sandbox

7. Phantomstory

8. ditto.site

9. CartAI

10. Creed