MCP Helius

Instructions

Implementation Reference

• src/handlers/helius.ts:301-308 (handler)

  The handler function that executes the tool logic: calls Helius RPC getRecentPerformanceSamples with optional limit, stringifies the result or returns error.
  export const getRecentPerformanceSamplesHandler = async (input: GetRecentPerformanceSamplesInput): Promise<ToolResultSchema> => { try { const samples = await (helius as any as Helius).connection.getRecentPerformanceSamples(input.limit); return createSuccessResponse(`Recent performance samples: ${JSON.stringify(samples, null, 2)}`); } catch (error) { return createErrorResponse(`Error getting performance samples: ${error instanceof Error ? error.message : String(error)}`); } }
• src/tools.ts:254-264 (schema)

  MCP tool definition with name, description, and inputSchema (optional limit: number).
  { name: "helius_get_recent_performance_samples", description: "Get recent performance samples", inputSchema: { type: "object", properties: { limit: { type: "number" } }, required: [] } },
• src/tools.ts:569-569 (registration)

  Registers the tool name to the getRecentPerformanceSamplesHandler in the handlers dictionary.
  "helius_get_recent_performance_samples": getRecentPerformanceSamplesHandler,
• src/handlers/helius.types.ts:143-145 (schema)

  TypeScript type for the handler input, matching the JSON schema.
  export type GetRecentPerformanceSamplesInput = { limit?: number; }