OpenCode brings Claude subscriptions back, ten months after Anthropic shut third-party harnesses out

What's the deal? Open-source coding agent OpenCodeDealroom has a profile for this one. Try Dealroom → now lets developers use their Claude Pro or Max subscription inside the tool. Version 2.2.3, released on 30 October, adds a built-in Claude Agent provider: users install Anthropic's Claude Code, sign in with it, then pick Claude Agent in OpenCode's connect menu. OpenCode's announcement, "you can now use your claude subscription in OpenCode", drew more than a million views on X.

How is it different? In January Anthropic deployed server-side checks that blocked third-party tools such as OpenCode, Cline and RooCode from signing in with subscription credentials; the tools had been presenting themselves as Claude Code so users could run agent workloads on a flat monthly plan rather than at API rates. In March OpenCode removed its Claude Pro/Max support after legal requests from Anthropic. The new route runs the official Claude Code program on the user's machine through Anthropic's Claude Agent SDK: Claude Code makes the model calls, while OpenCode supplies its own tools, permissions and subagents, and never reads or stores the user's credentials.

Is Anthropic on board? Anthropic has not made a separate announcement, and its SDK documentation still says Claude.ai logins in third-party products need prior approval. Since June, programmatic use on paid plans draws on a fixed monthly Agent SDK credit, and Amp launched a similar Claude-plan integration earlier in October. Developer and YouTuber Theo Browne called it "nice to see Anthropic loosening the grip on the sub a bit."

Read more: OpenCode (X), Tech City Authority, The New Stack, Theo Browne (X)

Image credit: OpenCode demo video