What is the q-ring MCP server?
OS keychain secrets for AI coding agents, over MCP.
How to install q-ring
Copy-paste configuration for popular MCP clients.
QRING_BACKENDSecret storage backend. Defaults to the OS keychain; set to "file" for headless hosts with no Secret Service (CI, containers).
QRING_FILE_PASSPHRASEsecretPassphrase for the encrypted file backend (AES-256-GCM). Required only when QRING_BACKEND=file — without it the file backend fails closed.
QRING_FILE_BACKEND_PATHCustom path for the encrypted file store (default: ~/.config/q-ring/file-backend.enc).
QRING_CONFIG_DIRDirectory for q-ring's registries — hooks, entanglement, approvals, canary webhooks, agent memory (default: ~/.config/q-ring).
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