OBD-II MCP Server
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| OBD_FAST | No | Whether to use fast mode (true/false). | |
| OBD_PORT | No | The serial port for the ELM327 adapter (e.g., COM3 or /dev/rfcomm0). | |
| OBD_TIMEOUT | No | Timeout in seconds (e.g., 30). | |
| OBD_BAUDRATE | No | The baudrate to use (e.g., 38400). | |
| OBD_MCP_HOST | No | Host for HTTP transport (e.g., 127.0.0.1). | |
| OBD_MCP_HTTP_PORT | No | Port for HTTP transport (e.g., 8000). | |
| OBD_MCP_TRANSPORT | No | Transport mode: 'stdio' or 'streamable-http'. | |
| OBD_RECONNECT_DELAY | No | Delay in seconds between reconnect attempts. | |
| OBD_RECONNECT_ATTEMPTS | No | Number of reconnect attempts. |
Instructions
Guidance the server publishes about itself, which clients place ahead of the tool catalog so the model reads it before choosing anything.
This server publishes no instructions, or was last inspected before Glama recorded them.
Capabilities
Features and capabilities supported by this server
Protocol revision2025-11-25
| Capability | Details |
|---|---|
| tools | {
"listChanged": false
} |
| prompts | {
"listChanged": false
} |
| resources | {
"subscribe": false,
"listChanged": false
} |
| experimental | {} |
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
| get_connection_statusA | Check the ELM327/ECU connection, port, and OBD-II protocol. Use this first when a vehicle may be off or disconnected. |
| list_supported_sensorsA | List live sensor PIDs discovered as supported by the vehicle. Use these exact names with read_sensor. |
| read_sensorB | Read one or several supported sensors and return values with units. Examples: RPM, SPEED, COOLANT_TEMP, INTAKE_PRESSURE. |
| read_dtcA | Read stored and pending/current-cycle diagnostic trouble codes. Includes python-OBD technical descriptions when known and does not modify the ECU. |
| clear_dtcA | Clear ECU DTCs and freeze-frame only after explicit user approval. Set confirm=true; this may reset readiness monitors and temporarily turn off the MIL. |
| get_vehicle_infoA | Read VIN, Check Engine/MIL state, DTC count, and OBD-II protocol. |
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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