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Anthropic files IPO prospectus, with risk disclosures taking center stage26/10/26 · Anthropic|Robot policy trained only in simulation matches top real-world systems26/10/26|OpenAI unveils GPT-6.1 Terra, a model built for computer use26/10/26 · OpenAI|OpenAI models are coming to Google Cloud21/10/26 · OpenAI|OpenAI details ChatGPT's new advertising infrastructure21/10/26 · OpenAI|Liquid AI unveils LFM3, a base for specialized multimodal models27/10/26 · Liquid AI|US Police Departments Use AI to Flag 'Suspicious' Driving Behavior27/10/26|AllenAI questions whether LLMs can judge research novelty27/10/26 · AllenAI|Open-Source AI Tools Aim to Speed Up Dementia Research27/10/26 · NVIDIA|Solid-state transformers eyed as a fix for AI's power grid bottleneck27/10/26|OpenAI expands Oracle partnership to bring business apps into ChatGPT27/10/26 · OpenAI|OpenAI publishes a page announcing 'GPT-6.1 Terra', with no technical details available26/10/26 · OpenAI|Anthropic files IPO prospectus, with risk disclosures taking center stage26/10/26 · Anthropic|Robot policy trained only in simulation matches top real-world systems26/10/26|OpenAI unveils GPT-6.1 Terra, a model built for computer use26/10/26 · OpenAI|OpenAI models are coming to Google Cloud21/10/26 · OpenAI|OpenAI details ChatGPT's new advertising infrastructure21/10/26 · OpenAI|Liquid AI unveils LFM3, a base for specialized multimodal models27/10/26 · Liquid AI|US Police Departments Use AI to Flag 'Suspicious' Driving Behavior27/10/26|AllenAI questions whether LLMs can judge research novelty27/10/26 · AllenAI|Open-Source AI Tools Aim to Speed Up Dementia Research27/10/26 · NVIDIA|Solid-state transformers eyed as a fix for AI's power grid bottleneck27/10/26|OpenAI expands Oracle partnership to bring business apps into ChatGPT27/10/26 · OpenAI|OpenAI publishes a page announcing 'GPT-6.1 Terra', with no technical details available26/10/26 · OpenAI|
AI tools

Frame (methods, guardrails)

32 scored tools, ranked by overall score. Last checked on 25 October 2026. Refine with the Finder →

The three to remember

Most powerful
Frontend Design (Anthropic)
SkillRisingSecurity: nothing to flag
9.6

The most installed skill on the official marketplace: one click, immediate effect on UI quality.

  • · Utility 9/10, best of the selection
  • · Free, no limits
  • · No known security caveat
Free1 clickSite ↗
Simplest
React best practices (Vercel)
SkillRisingSecurity: nothing to flag
9.2

The reference skill for clean React, maintained by the makers of Next.js.

  • · Utility 8/10
  • · Free, no limits
  • · No known security caveat
Free1 clickSite ↗
The alternative
spec-kit (GitHub)
AppSecurity: nothing to flag
9.2

The most portable discipline across agents to stop coding by gut feeling.

  • · Utility 8.5/10
  • · Free, no limits
  • · No known security caveat
Free5 min
TypeAppToolMCPBuilt-in modeSkillPluginPriceFreeFreemiumPaid
ToolPriceScoreSec.
spec-kit (GitHub)Spec-driven development toolkit: constitution, spec, plan, tasks, then implementation.Free9.2Security: nothing to flag
PromptfooRisingPrompt, agent, and RAG testing and red-teaming, CI-integrable.Freemium9.0Security: nothing to flag
DSPyRisingFramework that replaces prompt writing with programming and automatic optimization.Free8.7Security: nothing to flag
NeMo GuardrailsRisingNVIDIA's programmable guardrails to control dialogues, topics, and tool calls.Free8.5Security: nothing to flag
Guardrails AIRisingLLM input and output validators (PII, toxicity, format) with a validator hub.Freemium8.4Security: nothing to flag
Invariant GuardrailsWatch outSecurity rules applied in real time to agent tool calls.Freemium6.8Security: nothing to flag

App : A product you use directly · Tool : A precise action the AI can call · MCP : Standardises the connection between an AI application and systems that expose tools or data · Built-in mode : A feature to switch on inside an assistant you already use (ChatGPT, Claude, Gemini): nothing to install · Skill : A reusable method: instructions, procedures, sometimes scripts or templates · Plugin : A set of capabilities installed into an AI application or a host

Method

Overall score = utility (rated by the editorial team), reliability (GitHub activity, official publisher, reachable site), security (where data goes, permissions, known incidents) and accessibility (install, required level, price), weighted per category. A tool inactive for over six months is flagged and leaves the recommendations. No ranking is sold.

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