release: 6.39.0 (#635)

* chore(internal): grammar fix (it's -> its)

* feat(api): api update

* chore: use structured error when code execution tool errors

* release: 6.39.0

---------

Co-authored-by: stainless-app[bot] <142633134+stainless-app[bot]@users.noreply.github.com>

Author: stainless-app[bot]

.release-please-manifest.json

@@ -1,3 +1,3 @@
 {
-  ".": "6.38.2"
+  ".": "6.39.0"
 }

.stats.yml

@@ -1,4 +1,4 @@
 configured_endpoints: 46
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/finch%2Ffinch-0105d239fcaf84750c886dfa6c2cfbf2b2087f89a48f8827c4cbe28479ebfb13.yml
-openapi_spec_hash: 34895c3d3c137fb9f5a019ac5370afbb
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/finch%2Ffinch-b817e7a30a6366c063a8c9a334d5be281eb8d93e21acc8c8219d3bdc95043deb.yml
+openapi_spec_hash: d4cc4a5cba9f13986e38d148d330aa00
 config_hash: 5c64f384746e7570c10f19fe241062a7

CHANGELOG.md

@@ -1,5 +1,19 @@
 # Changelog
 
+## 6.39.0 (2025-11-03)
+
+Full Changelog: [v6.38.2...v6.39.0](https://github.com/Finch-API/finch-api-node/compare/v6.38.2...v6.39.0)
+
+### Features
+
+* **api:** api update ([b6892f5](https://github.com/Finch-API/finch-api-node/commit/b6892f5c579a0eeb8fa03863d9a72faa36adab9d))
+
+
+### Chores
+
+* **internal:** grammar fix (it's -> its) ([54ad7ca](https://github.com/Finch-API/finch-api-node/commit/54ad7ca2689051eccdb1de832e9041e3a6fe8d52))
+* use structured error when code execution tool errors ([a85e9d8](https://github.com/Finch-API/finch-api-node/commit/a85e9d8431d5b22e82f34606a813821f5573d197))
+
 ## 6.38.2 (2025-10-31)
 
 Full Changelog: [v6.38.1...v6.38.2](https://github.com/Finch-API/finch-api-node/compare/v6.38.1...v6.38.2)

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@tryfinch/finch-api",
-  "version": "6.38.2",
+  "version": "6.39.0",
   "description": "The official TypeScript library for the Finch API",
   "author": "Finch <founders@tryfinch.com>",
   "types": "dist/index.d.ts",

packages/mcp-server/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@tryfinch/finch-api-mcp",
-  "version": "6.38.2",
+  "version": "6.39.0",
   "description": "The official MCP Server for the Finch API",
   "author": "Finch <founders@tryfinch.com>",
   "types": "dist/index.d.ts",

packages/mcp-server/src/code-tool.ts

@@ -3,7 +3,7 @@
 import { dirname } from 'node:path';
 import { pathToFileURL } from 'node:url';
 import Finch, { ClientOptions } from '@tryfinch/finch-api';
-import { Endpoint, ContentBlock, Metadata } from './tools/types';
+import { ContentBlock, Endpoint, Metadata, ToolCallResult } from './tools/types';
 
 import { Tool } from '@modelcontextprotocol/sdk/types.js';
 
@@ -12,7 +12,7 @@ import { WorkerInput, WorkerError, WorkerSuccess } from './code-tool-types';
 /**
  * A tool that runs code against a copy of the SDK.
  *
- * Instead of exposing every endpoint as it's own tool, which uses up too many tokens for LLMs to use at once,
+ * Instead of exposing every endpoint as its own tool, which uses up too many tokens for LLMs to use at once,
  * we expose a single tool that can be used to search for endpoints by name, resource, operation, or tag, and then
  * a generic endpoint that can be used to invoke any endpoint with the provided arguments.
  *
@@ -23,15 +23,15 @@ export async function codeTool(): Promise<Endpoint> {
   const tool: Tool = {
     name: 'execute',
     description:
-      'Runs Typescript code to interact with the API.\nYou are a skilled programmer writing code to interface with the service.\nDefine an async function named "run" that takes a single parameter of an initialized client, and it will be run.\nDo not initialize a client, but instead use the client that you are given as a parameter.\nYou will be returned anything that your function returns, plus the results of any console.log statements.\nIf any code triggers an error, the tool will return an error response, so you do not need to add error handling unless you want to output something more helpful than the raw error.\nIt is not necessary to add comments to code, unless by adding those comments you believe that you can generate better code.\nThis code will run in a container, and you will not be able to use fetch or otherwise interact with the network calls other than through the client you are given.\nAny variables you define won\'t live between successive uses of this call, so make sure to return or log any data you might need later.',
+      'Runs TypeScript code to interact with the API.\nYou are a skilled programmer writing code to interface with the service.\nDefine an async function named "run" that takes a single parameter of an initialized client, and it will be run.\nDo not initialize a client, but instead use the client that you are given as a parameter.\nYou will be returned anything that your function returns, plus the results of any console.log statements.\nIf any code triggers an error, the tool will return an error response, so you do not need to add error handling unless you want to output something more helpful than the raw error.\nIt is not necessary to add comments to code, unless by adding those comments you believe that you can generate better code.\nThis code will run in a container, and you will not be able to use fetch or otherwise interact with the network calls other than through the client you are given.\nAny variables you define won\'t live between successive uses of this call, so make sure to return or log any data you might need later.',
     inputSchema: { type: 'object', properties: { code: { type: 'string' } } },
   };
 
   // Import dynamically to avoid failing at import time in cases where the environment is not well-supported.
   const { newDenoHTTPWorker } = await import('@valtown/deno-http-worker');
   const { workerPath } = await import('./code-tool-paths.cjs');
 
-  const handler = async (client: Finch, args: unknown) => {
+  const handler = async (client: Finch, args: unknown): Promise<ToolCallResult> => {
     const baseURLHostname = new URL(client.baseURL).hostname;
     const { code } = args as { code: string };
 
@@ -100,7 +100,7 @@ export async function codeTool(): Promise<Endpoint> {
         } satisfies WorkerInput);
 
         req.write(body, (err) => {
-          if (err !== null && err !== undefined) {
+          if (err != null) {
             reject(err);
           }
         });
@@ -111,12 +111,12 @@ export async function codeTool(): Promise<Endpoint> {
       if (resp.status === 200) {
         const { result, logLines, errLines } = (await resp.json()) as WorkerSuccess;
         const returnOutput: ContentBlock | null =
-          result === null ? null
-          : result === undefined ? null
-          : {
+          result == null ? null : (
+            {
               type: 'text',
-              text: typeof result === 'string' ? (result as string) : JSON.stringify(result),
-            };
+              text: typeof result === 'string' ? result : JSON.stringify(result),
+            }
+          );
         const logOutput: ContentBlock | null =
           logLines.length === 0 ?
             null
@@ -136,10 +136,11 @@ export async function codeTool(): Promise<Endpoint> {
         };
       } else {
         const { message } = (await resp.json()) as WorkerError;
-        throw new Error(message);
+        return {
+          content: message == null ? [] : [{ type: 'text', text: message }],
+          isError: true,
+        };
       }
-    } catch (e) {
-      throw e;
     } finally {
       worker.terminate();
     }

packages/mcp-server/src/dynamic-tools.ts

@@ -14,7 +14,7 @@ function zodToInputSchema(schema: z.ZodSchema) {
 /**
  * A list of tools that expose all the endpoints in the API dynamically.
  *
- * Instead of exposing every endpoint as it's own tool, which uses up too many tokens for LLMs to use at once,
+ * Instead of exposing every endpoint as its own tool, which uses up too many tokens for LLMs to use at once,
  * we expose a single tool that can be used to search for endpoints by name, resource, operation, or tag, and then
  * a generic endpoint that can be used to invoke any endpoint with the provided arguments.
  *

packages/mcp-server/src/server.ts

@@ -33,7 +33,7 @@ export const newMcpServer = () =>
   new McpServer(
     {
       name: 'tryfinch_finch_api_api',
-      version: '6.38.2',
+      version: '6.39.0',
     },
     { capabilities: { tools: {}, logging: {} } },
   );

packages/mcp-server/src/tools/connect/sessions/new-connect-sessions.ts

@@ -22,10 +22,6 @@ export const tool: Tool = {
   inputSchema: {
     type: 'object',
     properties: {
-      customer_email: {
-        type: 'string',
-        description: 'Email address of the customer',
-      },
       customer_id: {
         type: 'string',
         description: 'Unique identifier for the customer',
@@ -34,31 +30,6 @@ export const tool: Tool = {
         type: 'string',
         description: 'Name of the customer',
       },
-      integration: {
-        type: 'object',
-        description: 'Integration configuration for the connect session',
-        properties: {
-          auth_method: {
-            type: 'string',
-            description: 'The authentication method to use',
-            enum: ['assisted', 'credential', 'oauth', 'api_token'],
-          },
-          provider: {
-            type: 'string',
-            description: 'The provider to integrate with',
-          },
-        },
-        required: ['auth_method', 'provider'],
-      },
-      manual: {
-        type: 'boolean',
-        description: 'Enable manual authentication mode',
-      },
-      minutes_to_expire: {
-        type: 'number',
-        description:
-          'The number of minutes until the session expires (defaults to 129,600, which is 90 days)',
-      },
       products: {
         type: 'array',
         description: 'The Finch products to request access to',
@@ -79,6 +50,35 @@ export const tool: Tool = {
           ],
         },
       },
+      customer_email: {
+        type: 'string',
+        description: 'Email address of the customer',
+      },
+      integration: {
+        type: 'object',
+        description: 'Integration configuration for the connect session',
+        properties: {
+          provider: {
+            type: 'string',
+            description: 'The provider to integrate with',
+          },
+          auth_method: {
+            type: 'string',
+            description: 'The authentication method to use',
+            enum: ['assisted', 'credential', 'oauth', 'api_token'],
+          },
+        },
+        required: ['provider'],
+      },
+      manual: {
+        type: 'boolean',
+        description: 'Enable manual authentication mode',
+      },
+      minutes_to_expire: {
+        type: 'number',
+        description:
+          'The number of minutes until the session expires (defaults to 129,600, which is 90 days)',
+      },
       redirect_uri: {
         type: 'string',
         description: 'The URI to redirect to after the Connect flow is completed',
@@ -95,17 +95,7 @@ export const tool: Tool = {
           'A jq filter to apply to the response to include certain fields. Consult the output schema in the tool description to see the fields that are available.\n\nFor example: to include only the `name` field in every object of a results array, you can provide ".results[].name".\n\nFor more information, see the [jq documentation](https://jqlang.org/manual/).',
       },
     },
-    required: [
-      'customer_email',
-      'customer_id',
-      'customer_name',
-      'integration',
-      'manual',
-      'minutes_to_expire',
-      'products',
-      'redirect_uri',
-      'sandbox',
-    ],
+    required: ['customer_id', 'customer_name', 'products'],
   },
   annotations: {},
 };

packages/mcp-server/src/tools/connect/sessions/reauthenticate-connect-sessions.ts

@@ -61,7 +61,7 @@ export const tool: Tool = {
           'A jq filter to apply to the response to include certain fields. Consult the output schema in the tool description to see the fields that are available.\n\nFor example: to include only the `name` field in every object of a results array, you can provide ".results[].name".\n\nFor more information, see the [jq documentation](https://jqlang.org/manual/).',
       },
     },
-    required: ['connection_id', 'minutes_to_expire', 'products', 'redirect_uri'],
+    required: ['connection_id'],
   },
   annotations: {},
 };