Metorial · They are building the plumbing that decides which tools an agent may touch and who gets to say so — the governance layer of the MCP stack — at a size where the founders still answer their own mail.

Hosted infrastructure for MCP — the protocol by which an agent reaches a real tool. You point your agent at one Metorial URL and they run the servers behind it, handle the OAuth to Salesforce or Slack, decide who in your organisation is allowed to call what, and record every tool call. Their own positioning line, argued in a post of their own, is that this is a runtime, not a gateway. Around it sit Portals, Skills, Workforce, Magic MCP, ProtoGuard and a tracing surface, plus an open MCP index.

Sector

Connectors & auth

On the roster since

15 Sept 2026