ryubing-mcp
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| RYUBING_EXECUTABLE | No | Patched Ryubing .exe or .dll used for managed sessions | |
| RYUBING_CONTROL_HOST | No | Bridge host; loopback only | 127.0.0.1 |
| RYUBING_CONTROL_PORT | No | Bridge TCP port | 49600 |
| RYUBING_MAX_SESSIONS | No | Concurrent managed-process limit (maximum 32) | 4 |
| RYUBING_SESSION_ROOT | No | Parent directory for isolated managed profiles | |
| RYUBING_CONTROL_TOKEN | No | Shared bearer token sent with each bridge request | |
| RYUBING_PROFILE_TEMPLATE | No | Ready-to-use profile copied for every managed session | |
| RYUBING_ALLOWED_GAME_DIRS | No | Platform-delimited allowlist for base/update paths | unrestricted |
| RYUBING_CONTROL_TIMEOUT_MS | No | Per-request timeout | 10000 |
| RYUBING_SESSION_PORT_START | No | First port considered for managed bridges | 49610 |
| RYUBING_SESSION_STARTUP_TIMEOUT_MS | No | Managed bridge readiness timeout | 30000 |
Capabilities
Features and capabilities supported by this server
| Capability | Details |
|---|---|
| tools | {
"listChanged": true
} |
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
| ryubing_get_statusA | Check bridge compatibility and the currently running game. |
| ryubing_press_buttonsA | Press one or more Nintendo Switch controller buttons simultaneously, then release them after a duration. |
| ryubing_set_sticksA | Set left and/or right analog stick coordinates. Values range from -1 to 1. Omitted sticks keep their prior state. |
| ryubing_touchA | Send a tap, long press, or swipe using native Switch touchscreen coordinates (1280x720). |
| ryubing_take_screenshotA | Capture the emulator's rendered game frame without desktop window chrome. |
| ryubing_get_logsA | Read structured emulator logs. Pass the returned cursor to get only newer entries on the next call. |
| ryubing_launch_gameA | Launch a user-owned base game file, optionally applying a matching update for this session only. |
| ryubing_create_sessionA | Start a new Ryubing process with an isolated profile, bridge port, and authentication token. |
| ryubing_list_sessionsA | List the external default bridge and all managed Ryubing processes. |
| ryubing_stop_sessionA | Stop one managed Ryubing process. Its isolated profile is retained unless explicitly removed. |
Prompts
Interactive templates invoked by user choice
| Name | Description |
|---|---|
No prompts | |
Resources
Contextual data attached and managed by the client
| Name | Description |
|---|---|
No resources | |
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