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About

Constellation Gate AI is a drop-in defense layer for AI agents, built to sit between the agent and the model while screening every request for attacks and leaks. Gate acts as an inline gateway for coding agents and model APIs, protecting workflows without requiring major code changes. Users can point existing tools such as Claude Code, Cursor, OpenClaw, Codex, or OpenCode at Gate and inherit prompt-injection defense, secret scanning, PII redaction, token optimization, and a verifiable audit trail. The platform is designed around three real risks: prompt injection, credential and PII leakage, and hijacked tool calls. Instead of relying on the model to defend itself, Gate blocks attacks before they reach the model, redacts secrets before responses return, and stops attacker-controlled tool outputs before an agent acts on them. Gate accepts the same calls an agent already makes, forwards them to the model, scans every call and response in both directions.

About

MCP Defender is an open source desktop application that functions as an AI firewall, designed to monitor and protect Model Context Protocol (MCP) communications. It acts as a secure proxy between AI applications and MCP servers, analyzing all communications for potential threats in real-time. It automatically scans and protects all MCP tool calls, providing advanced LLM-powered detection of malicious activity. Users can manage the signatures used during scanning, allowing for customizable security measures. MCP Defender identifies and blocks common AI security threats, including prompt injection, credential theft, arbitrary code execution, and remote command injection. It supports integration with various AI applications such as Cursor, Claude, Visual Studio Code, and Windsurf, with more applications to be supported in the future. It offers intelligent threat detection, alerting users as soon as it identifies any malicious activity being performed by AI apps.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

AI engineering teams that need prompt-injection protection, secret scanning, auditability, and safer model routing for production agents

Audience

AI developers and security-conscious organizations seeking a solution to safeguard their AI applications against advanced threats by monitoring and protecting MCP communications in real-time

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

No information available.
Free Version
Free Trial

Pricing

Free
Free Version
Free Trial

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:

Review this Software

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:

Review this Software

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Constellation Gate AI
United States
constellationgate.ai/

Company Information

MCP Defender
United States
mcpdefender.com

Alternatives

Alternatives

nono

nono

Always Further
Huawei WAF

Huawei WAF

Huawei Cloud
Prisma AIRS

Prisma AIRS

Palo Alto Networks

Categories

Categories

Integrations

Cursor
OpenAI
Anthropic
ChatGPT
Claude
Claude Code
Claude Opus 4.7
Cloudflare
Codex CLI
Devin Desktop
Figma
Gemini 2.5 Pro
GitHub
Google
Grok
Mistral Large 3
OpenClaw
OpenCode
OpenRouter
Visual Studio Code

Integrations

Cursor
OpenAI
Anthropic
ChatGPT
Claude
Claude Code
Claude Opus 4.7
Cloudflare
Codex CLI
Devin Desktop
Figma
Gemini 2.5 Pro
GitHub
Google
Grok
Mistral Large 3
OpenClaw
OpenCode
OpenRouter
Visual Studio Code
Claim Constellation Gate AI and update features and information
Claim Constellation Gate AI and update features and information
Claim MCP Defender and update features and information
Claim MCP Defender and update features and information