92 pages for webfetch.
Titles and paths first, then pages whose text carries it. Each row opens that page as this site last read it.
Share session output as artifacts
Claude Code CLI · in the page
artifacts
…ude reads a page someone else wrote the way it reads a web page with [WebFetch](/docs/en/tools-reference.md#webfetch-tool-behavior): it gets a summary of what it asked about rather than the raw page,…
Claude Code changelog
Claude Code CLI · in the page
changelog
…as stopped by the user; the notice now names its output file * Fixed WebFetch in Cowork cloud sessions reporting a tool error when a site answered with a 4xx status or a robots.txt refusal; it is now…
Claude apps gateway for Amazon Bedrock, Claude Platform on AWS, Google Cloud, and Microsoft Foundry
Claude Code CLI · in the page
claude-apps-gateway
…gress allowlist reaches them only as parent settings, in the form of `WebFetch` domain rules and sandbox network rules. Without the opt-in, those sessions run without the egress restriction, and nothi…
Claude apps gateway configuration
Claude Code CLI · in the page
claude-apps-gateway-config
…availableModels: [claude-sonnet-4-6] permissions: { deny: ["WebFetch", "WebSearch"] } # Default catch-all last: matches everyone who authenticated. - match: {} cli: ava…
Claude apps gateway deployment and operations
Claude Code CLI · in the page
claude-apps-gateway-deploy
…c.com` except from the gateway. Blocking that egress also breaks the [WebFetch domain safety check](/docs/en/data-usage.md#webfetch-domain-safety-check), which calls `api.anthropic.com` from each deve…
CLI reference
Claude Code CLI · in the page
cli-reference
…Claude Code removes the built-in tools that run commands or code, and WebFetch, unless you name them individually in `--tools`, not through the `default` preset. It also confines the built-in file too…
Data usage
Claude Code CLI · in the page
data-usage
…t Foundry, or Claude Platform on AWS. Session quality surveys and the WebFetch domain safety check are exceptions and run regardless of provider. On a signed-in [Claude apps gateway](/docs/en/claude-a…
Desktop application
Claude Code CLI · in the page
desktop
…CP permission rules](/docs/en/permissions.md#mcp) for how `Bash` and `WebFetch` rules apply to Cowork's tools. In local and SSH sessions, the desktop app delivers each user's connected claude.ai conn…
Error reference
Claude Code CLI · in the page
errors
…rrors](#reading-a-local-file-from-outside-the-connected-folders) | | `WebFetch cannot fetch localhost or other hostnames without a dot` | [Tool errors](#webfetch-cannot-fetch-localhost) | | `The safet…
Feature availability
Claude Code CLI · in the page
feature-availability
…r [GitLab CI/CD](/docs/en/gitlab-ci-cd.md). For web lookups, use the [WebFetch tool](/docs/en/tools-reference.md#webfetch-tool-behavior) with a specific URL. **Claude Platform on AWS** **Not availab…
Set up Claude Code (local mode) for a HIPAA-ready organization
Claude Code CLI · in the page
hipaa-setup
…n turn back on. | What a developer notices | Why | | :- | :- | | The WebFetch tool is unavailable | WebFetch is off. Web search still works | | `--cloud`, `/teleport`, and [Remote Control](/docs/en/r…
Hooks reference
Claude Code CLI · in the page
hooks
…hell`, `Edit`, `Write`, `Read`, `Glob`, `Grep`, `Agent`, `Workflow`, `WebFetch`, `WebSearch`, `AskUserQuestion`, and `ExitPlanMode`, and any [MCP tool names](#match-mcp-tools). To run a hook when a s…
Connect Claude Code to an LLM gateway
Claude Code CLI · in the page
llm-gateway-connect
…from refreshing, so the picker kept the previously cached list. * The WebFetch tool's [domain safety check](/docs/en/data-usage.md#webfetch-domain-safety-check) isn't affected and still calls `api.ant…
Claude Code gateway compatibility guide
Claude Code CLI · in the page
llm-gateway-protocol
…ctivity error while inference through the gateway keeps working. The [WebFetch domain safety check](/docs/en/data-usage.md#webfetch-domain-safety-check) also calls `api.anthropic.com` directly. [Use f…
Roll out an LLM gateway for your organization
Claude Code CLI · in the page
llm-gateway-rollout
…these features, but it also turns off the auto-updater, and it leaves WebFetch on. #### Hand developers the values to set themselves If you don't have managed-settings distribution in place, send ea…
Deploy managed settings
Claude Code CLI · in the page
managed-settings
…e allowlist it locks, `sandbox.network.allowedDomains` together with `WebFetch(domain:...)` allow rules, or `sandbox.filesystem.allowRead`, across every admin source. Without the lock, Claude Code tre…
Monitoring
Claude Code CLI · in the page
monitoring-usage
…iguration-variables) for the arguments it adds elsewhere. MCP tools, WebFetch, and WebSearch record this event too, on Claude Code v2.1.283 or later. Claude Code writes this event from a tool call's…
Enterprise network configuration
Claude Code CLI · in the page
network-config
…| - | - | | `api.anthropic.com` | Claude API requests, including the WebFetch [domain safety check](/docs/en/data-usage.md#webfetch-domain-safety-check), feature flag fetches, and telemetry event log…
Configure permissions
Claude Code CLI · in the page
permissions
…fication | Edit/write files | Yes | Until session end | | Web fetch | WebFetch | Yes, except a built-in set of [preapproved documentation domains](/docs/en/tools-reference.md#webfetch-tool-behavior) |…
Test plugins with evals
Claude Code CLI · in the page
plugin-evals
…that need a grant you didn't give, such as `Bash`, `Write`, `Edit`, `WebFetch`, and `WebSearch`, are removed from the session, so Claude can't call them at all. A run allows only the read-only tools…
Manage mods for your organization
Claude Code CLI · in the page
plugins/mods/admin
…ers `$.http.fetch`.** * **Your organization's policy doesn't allow WebFetch**: Claude Code also refuses every mod's `$.http.fetch` request. See [WebFetch availability](/docs/en/tools-reference.md#w…
React to events with a mod
Claude Code CLI · in the page
plugins/mods/events
…own report, so don't approve a call on this field alone. For example, WebFetch and Agent calls report as read-only, though [WebFetch](/docs/en/tools-reference.md#webfetch-tool-behavior) requests a URL…
How Claude Code uses prompt caching
Claude Code CLI · in the page
prompt-caching
…# Denying an entire tool If you add a bare tool name like `Bash` or `WebFetch` as a [deny rule](/docs/en/permissions.md#manage-permissions), Claude can't call that tool from your next request on, whe…
Choose a sandbox environment
Claude Code CLI · in the page
sandbox-environments
…[built-in tools](/docs/en/tools-reference.md) such as Read, Edit, and WebFetch run inside the Claude Code process and do not spawn arbitrary code. [Permission rules](/docs/en/permissions.md) for path…
Configure the sandboxed Bash tool
Claude Code CLI · in the page
sandboxing
…* **Built-in file and web tools**: tools such as Read, Edit, Write, WebFetch, and WebSearch follow [permission rules](/docs/en/permissions.md) instead. A `denyRead` entry doesn't stop the Read tool,…
Security
Claude Code CLI · in the page
security
…user approval by default * **Web page summaries**: For most fetches, WebFetch runs a separate model call over the page, and Claude receives that call's answer instead of the raw page. See [WebFetch t…
Deploy self-hosted environments to production
Claude Code CLI · in the page
self-hosted-environments-deploy
…tion lookups by the built-in claude-code-guide agent and pre-approved WebFetch requests during sessions. Blocking these hosts only affects documentation lookups. | | `*.frame.claudeusercontent.com` |…
Claude Code settings
Claude Code CLI · in the page
settings
…| | `skipWebFetchPreflight` | Skip the [WebFetch domain safety check](/docs/en/data-usage#webfetch-domain-safety-check) that sen…
All settings
Claude Code CLI · in the page
settings-reference
…sions-mode) | Permission settings | User, local, or managed | | [`skipWebFetchPreflight`](#skipwebfetchpreflight) | Skip the [WebFetch hostname check](/docs/en/tools-reference.md#webfetch-tool-behavio…
Create custom subagents
Claude Code CLI · in the page
sub-agents
…Glob`, `LSP`, `Bash`, `PowerShell`, `Edit`, `Write`, `NotebookEdit`, `WebFetch`, `WebSearch`, `TodoWrite`, `Skill`, `ToolSearch`, `EnterWorktree`, `ExitWorktree`, `Monitor`, `TaskStop`, `SendMessage`,…
Tools reference
Claude Code CLI · in the page
tools-reference
…bled, since `ToolSearch` handles the wait when it's enabled | No | | `WebFetch` | Fetches content from a specified URL. See [WebFetch tool behavior](#webfetch-tool-behavior) | Yes | | `WebSearch` | Pe…
Week 35 · August 24–28, 2026
Claude Code CLI · in the page
whats-new/2026-w35
…tricted` or set `CLAUDE_CODE_RESTRICTED=1`. Claude Code also removes `WebFetch`, confines the file tools to the working directories, loads only managed settings and `--settings`, and refuses the `bypa…
Week 37 · September 7–11, 2026
Claude Code CLI · in the page
whats-new/2026-w37
…s/en/plugins/create.md#load-a-directory-or-archive-for-one-session)If WebFetch hasn't finished downloading a page within five minutes, [the fetch fails with a deadline error](/docs/en/tools-reference.…
What's new
Claude Code CLI · in the page
whats-new/index
…** setting caps the effort level on every provider; and a page that **WebFetch** hasn't finished downloading within five minutes fails instead of hanging. [Read the Week 37 digest →](/docs/en/whats-n…
Changelog
Claude Documentation · in the page
cowork/changelog
…or hyphens, such as `web_fetch`; the warning gives the correct name, `WebFetch`. * (breaking) Removed the deprecation notices for the spellings that stopped being accepted on October 7, 2026: header m…
Chat in Claude Desktop on 3P
Claude Documentation · in the page
third-party/claude-desktop/chat
…e same way they do in Cowork and Code sessions. For example, adding `"WebFetch"` removes web fetch from Chat conversations too. ### Project folders in Chat For a conversation inside a project, Claud…
Code in Claude Desktop on 3P
Claude Documentation · in the page
third-party/claude-desktop/code
…assPermissionsMode` to `"disable"` removes the mode as well. | | `skipWebFetchPreflight` | Turns off Claude Code's Web Fetch [domain check](/docs/third-party/claude-desktop/web-tools.md#web-fetch) aga…
Configuration reference
Claude Documentation · in the page
third-party/claude-desktop/configuration
…s bundled skills and workflows (deep-research and similar). Use where WebFetch/WebSearch aren’t available. | [`server`](#self-hosted-column) The host starts Claude Code, so it is the one that turns th…
Configuration changelog
Claude Documentation · in the page
third-party/claude-desktop/configuration-changelog
…open read-only instead of disappearing. * `disabledBuiltinTools`: a `WebFetch` or bare `Bash` entry added by device management now also applies to open Cowork and Chat conversations, and a tool name…
Overview
Claude Documentation · in the page
third-party/claude-desktop/overview
…de.ai` at sign-in. If Code sessions can use Web Fetch, also set [`skipWebFetchPreflight`](/docs/third-party/claude-desktop/configuration#skipwebfetchpreflight) to `true` (or add `WebFetch` to `disable…
Telemetry and egress
Claude Documentation · in the page
third-party/claude-desktop/telemetry
…rd-party/claude-desktop/code.md) sessions can use Web Fetch and [`skipWebFetchPreflight`](/docs/third-party/claude-desktop/configuration#skipwebfetchpreflight) is not `true` (Claude Code's Web Fetch […
Web search and web fetch
Claude Documentation · in the page
third-party/claude-desktop/web-tools
…`["*"]` | | Block all fetches, in Code sessions too | `[]` and add `"WebFetch"` to `disabledBuiltinTools` | Wildcards match one or more leading subdomain labels (`*.example.com` matches `a.example.c…