pi-sylvan
Exposes Sylvan's MCP tools to a Pi coding agent, enabling management of spaces and developer shells.
README
pi-sylvan
A thin Pi package that exposes Sylvan's MCP tools to a Pi coding agent.
Installation
pi install https://github.com/lightwrath/pi-sylvan.git
The package is installed automatically by Sylvan when the PiAgent Space feature is enabled.
Configuration
The default endpoint is:
http://host.containers.internal:4007/api/v1/mcp
Override it when Podman cannot resolve the host alias, or when Sylvan is running elsewhere:
export SYLVAN_MCP_URL=http://192.168.1.10:4007/api/v1/mcp
localhost inside a Space refers to the Space container, not the host. Podman host-gateway mapping, the host LAN address, or host networking are alternatives when host.containers.internal is unavailable.
Sylvan is unauthenticated and intended for a trusted LAN only. Do not expose the MCP endpoint publicly.
Tools
The extension registers:
list_spacescreate_spacelist_dev_shellscreate_dev_shellsend_command
Each Pi/MCP session owns only the Developer Shells that it creates. Shell command output is limited to the last 50 KB.
The extension creates its MCP connection lazily and terminates the MCP session during Pi's session_shutdown lifecycle event. A hard process crash can leave the server-side Shells until they exit or Sylvan restarts.
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