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11 Best Open-Source MCP Gateways in 2026
The 11 best open-source MCP gateways in 2026, compared on license, GitHub stars, self-hosting, SSO and per-user OAuth, with a pick for each kind of team.
Karim RahmeThe first hour after an AI agent makes a damaging change
A practical response sequence for containing an agent, preserving evidence, finding the full scope, and recovering without losing the trail.
Ivan SiianytsiaAn MCP server changed. How do you know what broke?
Protocol compatibility does not guarantee that a tool still behaves the way your workflow expects. A release process should test both contracts and outcomes.
Mikołaj Dębicki"Metorial lets us turn customer connector requests into something we can actually ship. We can focus on building the AI analyst experience, while Metorial handles the OAuth, permissions, and MCP infrastructure underneath."
"With Metorial, we've been able to build a single pane of glass across all our data sources, tools, and messaging platforms, and it's worked incredibly well."
Providers are the reusable toolkits and integrations agents use in Metorial. Build or connect one once, govern it centrally, and make it available to the teams and agents allowed to use it.
Policies + Access ControlMetorial gives you granular, role-based access control over users, agents, and admins, with policies across skills, integrations, and agents, built on your existing identity.
ToolsTools are the individual actions inside a provider. Metorial lets you grant or restrict them one at a time. An agent only gets the specific actions it needs.
Magic MCP ServerMetorial automatically creates a Magic MCP server for each person. A virtual MCP endpoint they paste into their agent. They sign in with SSO once and reach every tool they're allowed to use, with no tokens, no secrets, and no config to manage.
TriggersTriggers let Metorial listen for events from your providers, like new messages or tickets, and start agent actions in response.
Metorial On-premMetorial offers on-prem hosting for organizations with strict compliance needs, with full control over data and infrastructure, plus governance features for all customers.
Remote MCPConnect to MCP servers hosted by other vendors, like Linear, Sentry, Atlassian, and Microsoft, and bring them under the same access control, tracing, and monitoring as the rest of your providers.
Audit LogsMetorial records every interaction with the platform. Security and compliance teams have a complete, filterable history of what people, AI agents, and machine users did across your integrations and skills.