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Average Ratings 0 Ratings

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features
design
support

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Description

Codex Security is an AI-driven application security tool designed to identify vulnerabilities within software projects and provide reliable fixes. Built on OpenAI’s advanced models and the Codex agent framework, the system analyzes code repositories to develop a detailed understanding of a project’s architecture and security posture. It generates a customizable threat model that helps guide the vulnerability detection process. Using this context, Codex Security scans the codebase to identify potential security weaknesses and prioritize them based on their actual risk. The system performs automated validation to verify vulnerabilities and reduce the number of false positives typically produced by traditional security scanners. When issues are confirmed, it generates recommended patches that align with the surrounding code and intended system behavior. This approach helps developers address security problems without introducing unintended regressions. Codex Security also learns from user feedback to improve its detection accuracy over time. The platform is designed to operate at scale and analyze large volumes of commits across repositories. Overall, Codex Security helps development and security teams strengthen application security while reducing manual triage and review workloads.

Description

fx is a compact, open-source coding agent and command-line interface (CLI) developed in Zig, specifically optimized for research applications, performance, and seamless integration into larger systems. Its architecture emphasizes minimalism throughout the system prompt, available tools, feature set, memory usage, and maintains a small binary size of just 6 MB, aiming for an interface experience that resembles a Unix shell rather than a cumbersome terminal IDE. With an impressive cold start time in microseconds, fx avoids unnecessary tasks or input/output operations before receiving commands, making it ideal for programmatic applications, environments with limited resources, and agent sandboxes. Developers can easily initiate it within a project to perform tasks such as reading files, searching through code, executing commands, implementing changes, running tests, and streaming tool activations in real time. The underlying framework is both model- and provider-independent, enabling compatibility with local models, API gateways, direct provider connections, and cloud-based inference options. By design, it maximizes context efficiency, utilizing a succinct system prompt and streamlined toolset to minimize token overhead and enhance the speed of response to the first token generated. In addition, this unique focus on lightweight operation and quick interaction allows developers to maintain productivity without the typical overhead associated with more complex environments.

API Access

Has API Yes 

API Access

Has API No 

Screenshots View All

Screenshots View All

Integrations

ChatGPT Enterprise Yes 
Codex CLI Yes 
GPT-5-Codex-Mini Yes 
GPT-5.1 Pro Yes 
GPT-5.1-Codex Yes 
GPT-5.1-Codex-Max Yes 
GPT-5.2 Yes 
GPT-5.2-Codex Yes 
GPT-5.3 Instant Yes 
GPT-5.4 Yes 
GPT-5.4 Pro Yes 
GPT-5.4 nano Yes 
GPT-5.5 Pro Yes 
GPT-5.6 Sol Ultrafast Yes 
GPT-5.6 Terra Yes 
GPT-6 Luna Yes 
GPT‑5.3‑Codex‑Spark Yes 
GPT‑5.4 Thinking Yes 
Holo4 Yes 
OpenAI Yes 

Integrations

ChatGPT Enterprise No 
Codex CLI No 
GPT-5-Codex-Mini No 
GPT-5.1 Pro No 
GPT-5.1-Codex No 
GPT-5.1-Codex-Max No 
GPT-5.2 No 
GPT-5.2-Codex No 
GPT-5.3 Instant No 
GPT-5.4 No 
GPT-5.4 Pro No 
GPT-5.4 nano No 
GPT-5.5 Pro No 
GPT-5.6 Sol Ultrafast No 
GPT-5.6 Terra No 
GPT-6 Luna No 
GPT‑5.3‑Codex‑Spark No 
GPT‑5.4 Thinking No 
Holo4 No 
OpenAI No 

Pricing Details

No price information available.
Free Trial No 
Free Version No 

Pricing Details

Free
Free Trial No 
Free Version Yes 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Customer Support

Business Hours Yes 
Live Rep (24/7) No 
Online Support Yes 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person Yes 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Vendor Details

Company Name

OpenAI

Founded

2015

Country

United States

Website

openai.com

Vendor Details

Company Name

Vercel

Founded

2015

Country

United States

Website

fx.sh/

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