OneClick local runtime proxy with expressive guardrails for MCP servers

Show HN: OneClick local runtime proxy with expressive guardrails for MCP servers

OneClick local runtime proxy with expressive guardrails for MCP servers operates in show hn launch.

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Hey HN, we’re officially launching Tramlines.io!The idea: We now have a ton of official MCP servers for tools like Notion, Linear, Sentry, etc.—but it’s still a nightmare to use these securely. They’re susceptible to prompt injections, indirect prompt injections, confused deputy attacks, and more.It’s a tricky problem—some MCPs, like the official Sentry MCP, are well-designed with constrained inputs and minimal mutating tools. Others, like the official Linear MCP, have looser input constraints and a wide range of mutating tools. So now, a user has to think about securing just Sentry, just Linear, and the combined attack surface of Linear + Sentry workflows. And then all that effort goes out

Within the show hn launch space, the company focuses on its core offering rather than a broad product line.

It is recorded at the Show HN launch stage.

Website: www.tramlines.io