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Horizon3.ai, a leader in offensive security solutions, announced the availability of its Model Context Protocol (MCP) Server on August 21, 2025. This innovative capability transforms penetration test results into automated remediation workflows, enabling security teams to address vulnerabilities faster and more effectively. By integrating with existing systems, the MCP Server streamlines the find-fix-verify loop, reducing risk and enhancing organizational security.
Horizon3.ai launches MCP Server to automate vulnerability remediation.
Transforms NodeZero pentest findings into actionable workflows.
Enables remediation across thousands of systems at scale.
Integrates with ticketing systems, SIEMs, and security tools.
Provides immediate re-testing for verifiable proof of fixes.
Reduces exposure windows with faster risk resolution.
The MCP Server addresses the critical challenge of moving from vulnerability detection to resolution. “The hard part is no longer finding vulnerabilities—it’s fixing them,” said Snehal Antani, CEO and Co-founder of Horizon3.ai. “Security teams are buried under backlogs and tool sprawl. MCP Server cuts through the noise by turning NodeZero pentest findings into actions: roll credentials, tune defenses, open tickets, and re-test fixes in minutes instead of weeks.” By automating workflows, the MCP Server eliminates manual coordination bottlenecks, enabling remediation across thousands of systems.
Remediation at Scale: Streamlines the fix cycle for large-scale environments, reducing manual effort.
Faster Risk Reduction: Shrinks exposure windows by automating detection-to-resolution processes.
Seamless Integration: Connects with ticketing systems, SIEMs, and other security tools for cohesive workflows.
Proof of Fix: NodeZero’s immediate re-testing provides verifiable evidence of resolved vulnerabilities.
“MCP Server exposes our 10,000 GQL API data points to both humans and agents, enabling them to interface with NodeZero® quickly and effectively to build workflows,” added Antani. This integration capability ensures that security teams can operationalize pentest results without relying on fragmented platforms.
The NodeZero MCP Server is built with security in mind, leveraging a constrained, API-native runtime with GraphQL RBAC controls to minimize risks like JWT misuse. It supports OAuth-based authentication, multi-user modes, and streamable HTTP, ensuring secure and efficient operation within existing AI workflows.
Horizon3.ai empowers organizations to continuously verify their security posture with NodeZero®, the industry’s leading autonomous pentesting platform. Built to think and act like an attacker — but operate safely in production — NodeZero identifies exploitable weaknesses, prioritizes fixes based on real-world impact, and verifies remediation at scale. Customers across manufacturing, healthcare, finance, and national security rely on NodeZero to reduce risk and accelerate security outcomes.
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