Every change Wellknown observed on this MCP server, newest first, with what it was before and what it became. Tool-surface changes carry the definition diff. Nothing here is edited after the fact.
Added "webhook-signature-canonicalization-inspector" (11 tools before, 12 now)
Webhook Signature Canonicalization Inspector — API developers need to reproduce how a webhook provider canonicalizes headers and payloads when a signature mismatch occurs.
Added "multipart-form-data-inspector" (10 tools before, 11 now)
Multipart Form Data Inspector — Frontend and API developers need to see exactly what a browser will send as multipart form data, because hidden controls, disabled fields, repeated names, and file inputs often create payload mismatches.
Added "json-schema-drift-impact-checker" (9 tools before, 10 now)
JSON Schema Drift Impact Checker — API and frontend engineers need to know whether a JSON schema change will break real payloads, generated clients, or form bindings before they ship it.
Recently observed → Live
Live → Recently observed
Added "api-pagination-and-cursor-consistency-checker" (8 tools before, 9 now)
API Pagination and Cursor Consistency Checker — Backend and frontend teams need to confirm that paginated API response samples keep page, offset, and cursor behavior consistent across endpoints and edge cases.
Added "spreadsheet-merge-conflict-reconciler" (7 tools before, 8 now)
Spreadsheet Merge Conflict Reconciler — Teams need to reconcile two spreadsheet versions and see what changed, what conflicts, and which rows or columns need manual review.
Certificate changed, valid to 2026-12-20
Added "accessible-name-and-label-regression-diff" (6 tools before, 7 now)
Accessible Name and Label Regression Diff — Teams need to know when a code change silently breaks accessible names, labels, or descriptions on interactive elements.
Certificate recorded, valid to 2026-10-22
Authorization not required
Added "css-stacking-context-inspector" (5 tools before, 6 now)
CSS Stacking Context Inspector — Frontend developers need to understand why an element is visually hidden behind another even when z-index seems correct.
First tool surface recorded: 5 tools (server version 0.3.0)
Showing the latest 13 events. The API returns up to 500 and filters by kind: ?kind=tool_surface_changed