Codex SecurityOpenAI
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fxVercel
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About
Codex Security is an AI-powered application security agent developed by OpenAI to help teams detect and fix vulnerabilities in software systems. The tool analyzes code repositories to understand the structure, architecture, and potential risk areas within a project. Using this context, it identifies complex security issues that traditional scanning tools might overlook. Codex Security prioritizes vulnerabilities based on their real-world impact, helping security teams focus on the most critical threats. The system also validates findings through sandboxed testing environments to reduce false positives and improve accuracy. Once vulnerabilities are confirmed, it proposes patches and remediation steps that align with the system’s existing behavior. By combining AI reasoning with automated validation, Codex Security helps development teams ship more secure code faster.
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About
fx is a tiny, open, native coding agent harness and CLI written in Zig, optimized for research, performance, and embeddability as part of larger systems. Its design focuses on minimalism across the system prompt, tools, feature set, memory use, and a 6 MB binary, with an interface intended to feel closer to a Unix shell than a heavy terminal IDE. fx cold starts in microseconds and performs no unnecessary work or I/O before accepting input, making it suitable for programmatic use, resource-constrained environments, and agent sandboxes. Developers can start it inside a project and ask it to read files, search code, run commands, make changes, execute tests, and stream tool calls as they happen. The core is model- and provider-agnostic, supporting local models, gateways, direct provider access, and cloud inference. It is context-efficient by design, using a minimal system prompt and toolset to reduce token overhead and improve time to first token.
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Audience
Codex Security is designed for software developers, DevSecOps teams, security engineers, and organizations that need advanced tools to detect vulnerabilities and secure their software development pipelines
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Audience
Developers and AI infrastructure builders in need of a solution to run or embed a lightweight, extensible, model-agnostic coding agent in terminals, applications, and automated systems
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Support
Phone Support
24/7 Live Support
Online
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Support
Phone Support
24/7 Live Support
Online
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API
Offers API
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API
Offers API
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Screenshots and Videos |
Screenshots and Videos |
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Pricing
No information available.
Free Version
Free Trial
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Pricing
Free
Free Version
Free Trial
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Reviews/
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Reviews/
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Training
Documentation
Webinars
Live Online
In Person
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Training
Documentation
Webinars
Live Online
In Person
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Company InformationOpenAI
Founded: 2015
United States
openai.com
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Company InformationVercel
Founded: 2015
United States
fx.sh/
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Categories |
Categories |
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Integrations
GPT-5-Codex-Mini
GPT-5.1
GPT-5.1 Instant
GPT-5.1 Thinking
GPT-5.1-Codex
GPT-5.2 Instant
GPT-5.2 Pro
GPT-5.2 Thinking
GPT-5.2-Codex
GPT-5.3 Instant
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Integrations
GPT-5-Codex-Mini
GPT-5.1
GPT-5.1 Instant
GPT-5.1 Thinking
GPT-5.1-Codex
GPT-5.2 Instant
GPT-5.2 Pro
GPT-5.2 Thinking
GPT-5.2-Codex
GPT-5.3 Instant
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