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Merged
thdxr merged 2 commits into from
Mar 19, 2026
+18 −193
Merged

anthropic legal requests #18186

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44d8ef6
anthropic legal requests
thdxr Feb 19, 2026
135634e
docs: clarify bundled plugin removal
thdxr Mar 19, 2026
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1 change: 0 additions & 1 deletion packages/opencode/src/cli/cmd/providers.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -349,7 +349,6 @@ export const ProvidersLoginCommand = cmd({
value: x.id,
hint: {
opencode: "recommended",
anthropic: "API key",
openai: "ChatGPT Plus/Pro or API key",
}[x.id],
})),
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5 changes: 0 additions & 5 deletions packages/opencode/src/plugin/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -16,8 +16,6 @@ import { gitlabAuthPlugin as GitlabAuthPlugin } from "@gitlab/opencode-gitlab-au
export namespace Plugin {
const log = Log.create({ service: "plugin" })

const BUILTIN = ["opencode-anthropic-auth@0.0.13"]

// Built-in plugins that are directly imported (not installed from npm)
const INTERNAL_PLUGINS: PluginInstance[] = [CodexAuthPlugin, CopilotAuthPlugin, GitlabAuthPlugin]

Expand Down Expand Up @@ -55,9 +53,6 @@ export namespace Plugin {

let plugins = config.plugin ?? []
if (plugins.length) await Config.waitForDependencies()
if (!Flag.OPENCODE_DISABLE_DEFAULT_PLUGINS) {
plugins = [...BUILTIN, ...plugins]
}

for (let plugin of plugins) {
// ignore old codex plugin since it is supported first party now
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3 changes: 1 addition & 2 deletions packages/opencode/src/provider/provider.ts
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Expand Up @@ -150,8 +150,7 @@ export namespace Provider {
autoload: false,
options: {
headers: {
"anthropic-beta":
"claude-code-20250219,interleaved-thinking-2025-05-14,fine-grained-tool-streaming-2025-05-14",
"anthropic-beta": "interleaved-thinking-2025-05-14,fine-grained-tool-streaming-2025-05-14",
},
},
}
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18 changes: 6 additions & 12 deletions packages/opencode/src/session/llm.ts
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@titet11 titet11 Mar 23, 2026

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Instead of deleting it, it was easier to implement a solution.

You probably deleted it because your grandma hit you in the mouth with a slipper and you got scared.
You're pathetic.

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@griffinmartin griffinmartin Mar 23, 2026 •
edited
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@titet11 No need to be dramatic, you're free to use https://github.com/griffinmartin/opencode-claude-auth or the plethora of other solutions that have been made in response to this.

Original file line number Diff line number Diff line change
Expand Up @@ -207,18 +207,12 @@ export namespace LLM {
maxOutputTokens,
abortSignal: input.abort,
headers: {
...(input.model.providerID.startsWith("opencode")
? {
"x-opencode-project": Instance.project.id,
"x-opencode-session": input.sessionID,
"x-opencode-request": input.user.id,
"x-opencode-client": Flag.OPENCODE_CLIENT,
}
: input.model.providerID !== "anthropic"
? {
"User-Agent": `opencode/${Installation.VERSION}`,
}
: undefined),
...(input.model.providerID.startsWith("opencode") && {
"x-opencode-project": Instance.project.id,
"x-opencode-session": input.sessionID,
"x-opencode-request": input.user.id,
"x-opencode-client": Flag.OPENCODE_CLIENT,
}),
Comment on lines 209 to +215
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@greptile-apps greptile-apps bot Mar 19, 2026

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P1 Silent removal of User-Agent header for third-party providers

The original logic sent User-Agent: opencode/${Installation.VERSION} to all providers except opencode-prefixed and anthropic ones. The refactored code only adds the x-opencode-* headers for opencode providers and adds nothing for everyone else — meaning providers like openai, google, azure, openrouter, etc. silently lose the User-Agent header.

This is likely an unintended side-effect of removing the anthropic-specific exclusion. The ternary was restructured into a simple &&, dropping the middle branch entirely.

If intentional, this should be documented. If unintentional, consider restoring it:

Suggested change
headers: {
...(input.model.providerID.startsWith("opencode")
? {
"x-opencode-project": Instance.project.id,
"x-opencode-session": input.sessionID,
"x-opencode-request": input.user.id,
"x-opencode-client": Flag.OPENCODE_CLIENT,
}
: input.model.providerID !== "anthropic"
? {
"User-Agent": `opencode/${Installation.VERSION}`,
}
: undefined),
...(input.model.providerID.startsWith("opencode") && {
"x-opencode-project": Instance.project.id,
"x-opencode-session": input.sessionID,
"x-opencode-request": input.user.id,
"x-opencode-client": Flag.OPENCODE_CLIENT,
}),
...(input.model.providerID.startsWith("opencode")
? {
"x-opencode-project": Instance.project.id,
"x-opencode-session": input.sessionID,
"x-opencode-request": input.user.id,
"x-opencode-client": Flag.OPENCODE_CLIENT,
}
: {
"User-Agent": `opencode/${Installation.VERSION}`,
}),

...input.model.headers,
...headers,
},
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166 changes: 0 additions & 166 deletions packages/opencode/src/session/prompt/anthropic-20250930.txt
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This file was deleted.

18 changes: 11 additions & 7 deletions packages/web/src/content/docs/providers.mdx
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Original file line number Diff line number Diff line change
Expand Up @@ -307,8 +307,6 @@ For custom inference profiles, use the model and provider name in the key and se
```txt
┌ Select auth method
│
│ Claude Pro/Max
│ Create an API Key
│ Manually enter API Key
└
```
Expand All @@ -320,14 +318,20 @@ For custom inference profiles, use the model and provider name in the key and se
```

:::info
Using your Claude Pro/Max subscription in OpenCode is not officially supported by [Anthropic](https://anthropic.com).
:::
There are plugins that allow you to use your Claude Pro/Max models with
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@FernandoPeraltaCarlos FernandoPeraltaCarlos Mar 24, 2026

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Why did they make this change? Did they receive a warning letter or something like that?

OpenCode. Anthropic explicitly prohibits this.

##### Using API keys
Previous versions of OpenCode came bundled with these plugins but that is no
longer the case as of 1.3.0

You can also select **Create an API Key** if you don't have a Pro/Max subscription. It'll also open your browser and ask you to login to Anthropic and give you a code you can paste in your terminal.
Other companies support freedom of choice with developer tooling - you can use
the following subscriptions in OpenCode with zero setup:

- ChatGPT Plus
- Github Copilot
- Gitlab Duo
:::

Or if you already have an API key, you can select **Manually enter API Key** and paste it in your terminal.

---

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