Best Agent Gateways for AI Startups 2026

AI agent gateways are presented as a critical infrastructure layer for securely connecting agents to enterprise tools through the Model Context Protocol, centralizing authentication, access policies, auditing, observability, identity management, and governance that direct agent-to-tool connections lack. The comparison evaluates twelve options for different startup needs: MintMCP emphasizes managed enterprise governance, SCIM-based permissions, agent identities, hosted connectors, compliance, and monitoring beyond MCP traffic; TrueFoundry combines model infrastructure and MCP orchestration; Bifrost prioritizes open-source, low-latency performance; Portkey combines LLMOps and gateway functions; Docker MCP Gateway supports local, container-native prototyping; Composio focuses on a large library of managed third-party integrations; Zuplo offers programmable edge-based API and AI gateway capabilities; Obot targets Kubernetes-oriented teams seeking open-source control; Lunar.dev MCPX unifies AI, MCP, and API governance; Lasso Security focuses on threats such as prompt injection and credential theft; Kong extends existing API gateway deployments with MCP support; and LiteLLM provides broad LLM-provider compatibility. The appropriate choice depends largely on a team’s maturity, operational expertise, latency requirements, integration needs, deployment model, and enterprise compliance obligations, with open-source tools offering lower licensing costs but greater operational responsibility and managed platforms reducing infrastructure work while creating vendor dependence.

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