Agen Shield vs MCP Gateway: Side-by-Side Comparison (2026)

Agen Shield: Endpoint & browser enforcement layer blocking dangerous AI agent actions pre-execution. built by Agen.co. Core capabilities include On-device pre-execution blocking of out-of-policy AI agent actions, Browser paste detection and blocking of sensitive data into AI tools, Unified policy plane shared across device, browser, and gateway enforcement..

MCP Gateway: Gateway for controlling AI agent access to tools and data with permissions. built by NeuralTrust. Core capabilities include Granular access control for AI agent tool usage, Role-based access control (RBAC) for agents and LLMs, Read/write operation restrictions..

Both serve the Agentic AI Security market but differ in approach, feature depth, and target audience.

Agen Shield differentiates with On-device pre-execution blocking of out-of-policy AI agent actions, Browser paste detection and blocking of sensitive data into AI tools, Unified policy plane shared across device, browser, and gateway enforcement. MCP Gateway differentiates with Granular access control for AI agent tool usage, Role-based access control (RBAC) for agents and LLMs, Read/write operation restrictions.

Agen Shield is developed by Agen.co. MCP Gateway is developed by NeuralTrust. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Agen Shield and MCP Gateway serve similar Agentic AI Security use cases: both are Agentic AI Security tools, both cover MCP Security. Review the feature comparison above to determine which fits your requirements.