Fetching from the wire…
01
02
03
04
05
06
07
08
Vibe Coding2026-03-15 · source-backed
On January 9, 2026, Anthropic blocked third-party harnesses from using Claude Pro/Max subscription OAuth tokens without warning. OpenCode (56K GitHub stars) and Cursor-via-xAI were immediately broken. Standard API keys are unaffected — the block targets subscription token reuse in non-Anthropic clients. paddo.dev
Each link below shares sources, entities, or timing with this story.
Claude Code uses OAuth / Shared entities / Same source domain / Shared topic / What happened next
Linked by a graph relationship (Claude Code uses OAuth); both cover Anthropic, GitHub, OpenCode; reported by the same outlet (paddo.dev).
Linked by a graph relationship (Claude Code uses OAuth); both cover Anthropic, Cursor; reported by the same outlet (paddo.dev).
MCP uses OAuth / Shared entities / Shared topic / Earlier coverage / Tension
Linked by a graph relationship (MCP uses OAuth); both cover Anthropic, Cursor; overlapping topics (anthropic, block, claude, client).
MCP uses OAuth / Shared entities / Shared topic / What happened next
Linked by a graph relationship (MCP uses OAuth); both cover Anthropic, Cursor, GitHub; overlapping topics (anthropic, claude).
Claude Code uses OAuth / Shared entities / Shared topic / What happened next
Linked by a graph relationship (Claude Code uses OAuth); both cover Anthropic, Cursor, GitHub; overlapping topics (anthropic, claude).
OpenCode competes with Cursor / Shared entities / Shared topic / What happened next
Linked by a graph relationship (OpenCode competes with Cursor); both cover Cursor, GitHub, OpenCode; overlapping topics (claude, harness).
Claude Code uses OAuth / Shared entities / Shared topic / What happened next
Linked by a graph relationship (Claude Code uses OAuth); both cover Anthropic, Cursor, GitHub; overlapping topics (claude, token).
Claude Code uses OAuth / Shared entities / Shared topic / Earlier coverage
Linked by a graph relationship (Claude Code uses OAuth); both cover Anthropic, Cursor, GitHub; overlapping topics (anthropic, claude).