sentry_start_transaction
Start performance monitoring transactions to track application operations like HTTP requests and database queries for error detection and optimization.
Instructions
Start a performance monitoring transaction
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| name | Yes | Transaction name | |
| op | Yes | Operation type (e.g., 'http.request', 'db.query') | |
| description | No | Transaction description |
Implementation Reference
- src/index.ts:854-877 (handler)Handler for the 'sentry_start_transaction' tool. Extracts parameters, ends any existing transaction, starts a new Sentry span (transaction) using Sentry.startSpan, stores it in currentTransaction, and returns a confirmation message.
case "sentry_start_transaction": { const { name: transactionName, op, description } = args as any; if (currentTransaction) { currentTransaction.end(); } currentTransaction = Sentry.startSpan( { name: transactionName, op }, () => { // Transaction is active here return null; } ); return { content: [ { type: "text", text: `Transaction started: ${transactionName} (${op})`, }, ], }; } - src/index.ts:260-281 (registration)Registration of the 'sentry_start_transaction' tool in the ListTools response, including name, description, and input schema definition.
{ name: "sentry_start_transaction", description: "Start a performance monitoring transaction", inputSchema: { type: "object", properties: { name: { type: "string", description: "Transaction name", }, op: { type: "string", description: "Operation type (e.g., 'http.request', 'db.query')", }, description: { type: "string", description: "Transaction description", }, }, required: ["name", "op"], }, }, - src/index.ts:263-280 (schema)Input schema definition for the 'sentry_start_transaction' tool, specifying required 'name' and 'op' parameters with optional 'description'.
inputSchema: { type: "object", properties: { name: { type: "string", description: "Transaction name", }, op: { type: "string", description: "Operation type (e.g., 'http.request', 'db.query')", }, description: { type: "string", description: "Transaction description", }, }, required: ["name", "op"], }, - src/index.ts:706-706 (helper)Global variable used to track the current active transaction/span for coordination between start and finish transactions.
let currentTransaction: any | null = null;