set_blood_pressure

Instructions

Implementation Reference

• src/tools/write.tools.ts:91-103 (handler)

  The tool registration and handler function for 'set_blood_pressure'. It registers the tool with server, defines description and input schema, and the handler calls client.setBloodPressure().

  server.registerTool(
    'set_blood_pressure',
    {
      description: 'Record a blood pressure measurement with systolic, diastolic, and pulse',
      inputSchema: setBloodPressureSchema.shape,
    },
    async ({ systolic, diastolic, pulse, timestamp, notes }) => {
      const data = await client.setBloodPressure(systolic, diastolic, pulse, timestamp, notes);
      return {
        content: [{ type: 'text' as const, text: JSON.stringify(data, null, 2) }],
      };
    },
  );

• src/tools/write.tools.ts:91-103 (registration)

  Registration of the 'set_blood_pressure' tool on the MCP server via server.registerTool().

  server.registerTool(
    'set_blood_pressure',
    {
      description: 'Record a blood pressure measurement with systolic, diastolic, and pulse',
      inputSchema: setBloodPressureSchema.shape,
    },
    async ({ systolic, diastolic, pulse, timestamp, notes }) => {
      const data = await client.setBloodPressure(systolic, diastolic, pulse, timestamp, notes);
      return {
        content: [{ type: 'text' as const, text: JSON.stringify(data, null, 2) }],
      };
    },
  );

• src/dtos/write.dto.ts:66-83 (schema)

  The SetBloodPressureDto type definition and the setBloodPressureSchema Zod validation schema defining systolic (max 300), diastolic (max 200), pulse (max 300), timestamp (optional ISO 8601), and notes (optional).

  export type SetBloodPressureDto = {
    systolic: number;
    diastolic: number;
    pulse: number;
    timestamp?: string;
    notes?: string;
  };
  
  export const setBloodPressureSchema = z.object({
    systolic: z.number().positive().max(300).describe('Systolic pressure (mmHg)'),
    diastolic: z.number().positive().max(200).describe('Diastolic pressure (mmHg)'),
    pulse: z.number().positive().max(300).describe('Pulse rate (bpm)'),
    timestamp: z
      .string()
      .optional()
      .describe('Measurement timestamp in ISO 8601 format. Defaults to now'),
    notes: z.string().optional().describe('Optional notes about the measurement'),
  });

• src/client/garmin.client.ts:719-738 (helper)

  The client method setBloodPressure() that makes the actual HTTP POST request to the Garmin API endpoint with systolic, diastolic, pulse, measurementTimestampGMT, notes, and sourceType='manual'.

  async setBloodPressure(
    systolic: number,
    diastolic: number,
    pulse: number,
    timestamp?: string,
    notes?: string,
  ): Promise<unknown> {
    const ts = timestamp ?? new Date().toISOString();
    return this.request(SET_BLOOD_PRESSURE_ENDPOINT, {
      method: 'POST',
      body: {
        systolic,
        diastolic,
        pulse,
        measurementTimestampGMT: ts,
        notes: notes ?? null,
        sourceType: 'manual',
      },
    });
  }

• src/constants/garmin-endpoints.ts:102-102 (helper)

  The API endpoint constant SET_BLOOD_PRESSURE_ENDPOINT = '/bloodpressure-service/bloodpressure'.

  export const SET_BLOOD_PRESSURE_ENDPOINT = '/bloodpressure-service/bloodpressure';