Arc Relay
Open-source MCP control plane with per-user tool permissions
What is Arc Relay?
Your MCP server gives every agent access to every tool. The workarounds - enterprise contracts, YAML policy files, PowerShell - they weren't built for mixed teams. Arc Relay is the missing layer: per-user, per-tool access control in a web UI. PII gets stripped before it leaves your environment. Every call is logged. Runs in Docker, starts in one command, no config files required. MIT licensed, built in Go.
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