playwright_patch
Execute HTTP PATCH requests to modify web resources directly through browser automation with Playwright. Ideal for updating specific data on web pages using real browser interactions.
Instructions
Perform an HTTP PATCH request
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| url | Yes | URL to perform PUT operation | |
| value | Yes | Data to PATCH in the body |
Implementation Reference
- src/tools/api/requests.ts:117-151 (handler)PatchRequestTool class implementing the execute method for playwright_patch tool, performing HTTP PATCH request using Playwright's API context.
export class PatchRequestTool extends ApiToolBase { /** * Execute the PATCH request tool */ async execute(args: any, context: ToolContext): Promise<ToolResponse> { return this.safeExecute(context, async (apiContext) => { // Check if the value is valid JSON if it starts with { or [ if (args.value && typeof args.value === 'string' && (args.value.startsWith('{') || args.value.startsWith('['))) { try { JSON.parse(args.value); } catch (error) { return createErrorResponse(`Failed to parse request body: ${(error as Error).message}`); } } const response = await apiContext.patch(args.url, { data: args.value }); let responseText; try { responseText = await response.text(); } catch (error) { responseText = "Unable to get response text"; } return createSuccessResponse([ `PATCH request to ${args.url}`, `Status: ${response.status()} ${response.statusText()}`, `Response: ${responseText.substring(0, 1000)}${responseText.length > 1000 ? '...' : ''}` ]); }); } } - src/tools.ts:285-295 (schema)Tool schema definition including name, description, and input schema for playwright_patch.
name: "playwright_patch", description: "Perform an HTTP PATCH request", inputSchema: { type: "object", properties: { url: { type: "string", description: "URL to perform PUT operation" }, value: { type: "string", description: "Data to PATCH in the body" }, }, required: ["url", "value"], }, }, - src/toolHandler.ts:533-534 (registration)Switch case in handleToolCall that registers and dispatches playwright_patch to PatchRequestTool.
case "playwright_patch": return await patchRequestTool.execute(args, context); - src/toolHandler.ts:338-340 (registration)Instantiation of PatchRequestTool instance during tool initialization.
if (!putRequestTool) putRequestTool = new PutRequestTool(server); if (!patchRequestTool) patchRequestTool = new PatchRequestTool(server); if (!deleteRequestTool) deleteRequestTool = new DeleteRequestTool(server);