MCP Helius

Instructions

Implementation Reference

• src/handlers/helius.ts:481-488 (handler)

  The core handler function that implements the polling logic using Helius RPC's pollTransactionConfirmation method.
  export const pollTransactionConfirmationHandler = async (input: PollTransactionConfirmationInput): Promise<ToolResultSchema> => { try { const status = await (helius as any as Helius).rpc.pollTransactionConfirmation(input.signature, { timeout: input.timeout, interval: input.interval }); return createSuccessResponse(`Transaction status: ${status}`); } catch (error) { return createErrorResponse(`Error polling transaction confirmation: ${error instanceof Error ? error.message : String(error)}`); } }
• src/tools.ts:467-479 (schema)

  Tool definition including name, description, and input schema for validation.
  { name: 'helius_poll_transaction_confirmation', description: 'Poll for transaction confirmation status', inputSchema: { type: 'object', properties: { signature: { type: 'string' }, timeout: { type: 'number' }, interval: { type: 'number' } }, required: ['signature'] } },
• src/tools.ts:586-586 (registration)

  Registration of the handler in the central handlers dictionary.
  "helius_poll_transaction_confirmation": helius.pollTransactionConfirmationHandler,
• src/handlers/helius.types.ts:254-258 (schema)

  TypeScript type definition for the handler input parameters.
  export type PollTransactionConfirmationInput = { signature: string; timeout?: number; interval?: number; }