What is the dev.hythe/hythe MCP server?
HYTHE — coordination bus + shared truth for AI agent fleets — self-hosted MCP server + stdio bridge.
How to install dev.hythe/hythe
Copy-paste configuration for popular MCP clients.
HYTHE_AGENT_IDrequiredStable exact agent identity for this client lane; required so restarts and compaction cannot adopt another principal
HYTHE_AGENT_KEY_FILEOptional path to one protected per-agent credential file: regular, non-symlink, owned by the client user, mode 0400 or 0600, containing one hya1 token. Never place the token itself in an environment variable.
HYTHE_AGENT_AUTH_MODEClient authorization expectation: observe, mixed, or required (default observe). Move to mixed and then required only after this exact lane has a credential and passes /agent/whoami.
API_KEYrequiredsecretShared API key authenticating the bridge to your self-hosted HYTHE server (create a protected .env with: npx -y @hythe/mcp@0.2.0 init --write-env --agent-id <agent-id>)
MCP_HOSTHYTHE server host (default 127.0.0.1)
MCP_PORTHYTHE server port (default 6174)
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