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HomeDocsClaude Documentation 4 Nov 2026
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Network proxy changedthird-party/claude-desktop/network-proxy

Nearest release: v2.1.318, published 21 hours before upstream edited the page. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.

Upstream edited this page at 4 Nov 2026 19:48 UTC, give or take a minute or two: the time comes from Anthropic’s own sitemap rather than from a commit. This site recorded the change at 4 Nov 2026 20:07 UTC.

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77Three parts of the product make network connections, and they do not all resolve the proxy the same way:
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9* **The app**: the Claude Desktop window itself, including sign-in, the connection test, Web Fetch in Chat and Cowork sessions, managed MCP servers the app connects to, and sync of the plugin marketplaces you configure.
9* **The app**: the Claude Desktop window itself, including sign-in, the connection test, Web Fetch in Chat and Cowork sessions, remote managed MCP servers, and sync of the plugin marketplaces you configure.
1010* **The agent**: the Claude Code engine the app runs for every Chat, Cowork, and Code session. It sends inference requests and makes its own remote MCP connections, for example to [a server that a marketplace plugin or a user-added plugin bundles](https://claude.com/docs/third-party/claude-desktop/extensions.md#remote-mcp-servers-in-plugins). In Code sessions, it also makes its own web fetches and plugin installs.
1111* **Cowork's sandboxed shell**: the isolated environment where commands the agent runs in a Cowork session (`curl`, `pip`, `npm`, and so on) execute.
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7878| - | - |
7979| App window, in-app sign-in, connection test, model list | App proxy |
8080| Inference requests from Chat, Cowork, and Code sessions | The single proxy resolved for the inference endpoint (from the pinned key or the OS), or Claude Code managed settings if deployed |
81| Agent web fetch, remote MCP servers, and plugin installs in Code sessions | Same single proxy as inference |
81| Agent web fetch, plugin installs, and the agent's own remote MCP connections in Code sessions | Same single proxy as inference |
8282| The agent's remote MCP connections in Chat and Cowork sessions, to servers that a marketplace plugin or a user-added plugin bundles | Same single proxy as inference |
83| Web Fetch and managed MCP servers in Chat and Cowork sessions | App proxy (the app makes these connections) |
83| Web Fetch in Chat and Cowork sessions, and remote managed MCP servers | App proxy (the app makes these connections) |
84| Local (`stdio`) servers in [`managedMcpServers`](https://claude.com/docs/third-party/claude-desktop/configuration#managedmcpservers) | The app gives the server no proxy variables. Set `HTTPS_PROXY` in the entry's `env`, or have its `envHelper` script print it. In the admin console, use the **Environment helper script** field. |
8485| Sync of the plugin marketplaces you configure, and `aws` CLI calls the app makes for Bedrock sign-in | App proxy, resolved for the specific host |
8586| Cowork sandbox download from `downloads.claude.ai` | App proxy |
8687| Telemetry and crash reports to Anthropic, if enabled | App proxy |
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