agent: Add websearch tool (#28621)

Staff only for now. We'll work on making this usable for non zed.dev
users later

Release Notes:

- N/A

---------

Co-authored-by: Antonio Scandurra <me@as-cii.com>
Co-authored-by: Danilo Leal <daniloleal09@gmail.com>
Co-authored-by: Marshall Bowers <git@maxdeviant.com>

Cargo.lock

@@ -704,6 +704,7 @@ dependencies = [
  "assistant_tool",
  "chrono",
  "collections",
+ "feature_flags",
  "futures 0.3.31",
  "gpui",
  "html_to_markdown",
@@ -721,9 +722,11 @@ dependencies = [
  "ui",
  "unindent",
  "util",
+ "web_search",
  "workspace",
  "workspace-hack",
  "worktree",
+ "zed_llm_client",
 ]
 
 [[package]]
@@ -16609,6 +16612,36 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "web_search"
+version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "collections",
+ "gpui",
+ "serde",
+ "workspace-hack",
+ "zed_llm_client",
+]
+
+[[package]]
+name = "web_search_providers"
+version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "client",
+ "feature_flags",
+ "futures 0.3.31",
+ "gpui",
+ "http_client",
+ "language_model",
+ "serde",
+ "serde_json",
+ "web_search",
+ "workspace-hack",
+ "zed_llm_client",
+]
+
 [[package]]
 name = "webpki-root-certs"
 version = "0.26.8"
@@ -18287,6 +18320,8 @@ dependencies = [
  "uuid",
  "vim",
  "vim_mode_setting",
+ "web_search",
+ "web_search_providers",
  "welcome",
  "windows 0.61.1",
  "winresource",
@@ -18351,9 +18386,9 @@ dependencies = [
 
 [[package]]
 name = "zed_llm_client"
-version = "0.4.2"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1d28a5d6bdb0f40acf5261c39cabbf65a13b55ba4b86d9beb5b8b1c484373f1a"
+checksum = "57a5e1b5b3ace3fb55292a4c14036723bb8a01fac4aeaa3c2b63b51228412f94"
 dependencies = [
  "serde",
  "serde_json",

Cargo.toml

@@ -165,6 +165,8 @@ members = [
     "crates/util_macros",
     "crates/vim",
     "crates/vim_mode_setting",
+    "crates/web_search",
+    "crates/web_search_providers",
     "crates/welcome",
     "crates/workspace",
     "crates/worktree",
@@ -370,6 +372,8 @@ util = { path = "crates/util" }
 util_macros = { path = "crates/util_macros" }
 vim = { path = "crates/vim" }
 vim_mode_setting = { path = "crates/vim_mode_setting" }
+web_search = { path = "crates/web_search" }
+web_search_providers = { path = "crates/web_search_providers" }
 welcome = { path = "crates/welcome" }
 workspace = { path = "crates/workspace" }
 worktree = { path = "crates/worktree" }
@@ -601,7 +605,7 @@ wasmtime-wasi = "29"
 which = "6.0.0"
 wit-component = "0.221"
 workspace-hack = "0.1.0"
-zed_llm_client = "0.4.2"
+zed_llm_client = "0.5.0"
 zstd = "0.11"
 metal = "0.29"
 

assets/settings/default.json

@@ -652,7 +652,8 @@
           "path_search": true,
           "read_file": true,
           "regex_search": true,
-          "thinking": true
+          "thinking": true,
+          "web_search": true
         }
       },
       "write": {
@@ -678,7 +679,8 @@
           "regex_search": true,
           "rename": true,
           "symbol_info": true,
-          "thinking": true
+          "thinking": true,
+          "web_search": true
         }
       }
     },

crates/agent/src/active_thread.rs

@@ -5,11 +5,12 @@ use crate::thread::{
     ThreadEvent, ThreadFeedback,
 };
 use crate::thread_store::{RulesLoadingError, ThreadStore};
-use crate::tool_use::{PendingToolUseStatus, ToolUse, ToolUseStatus};
+use crate::tool_use::{PendingToolUseStatus, ToolUse};
 use crate::ui::{AddedContext, AgentNotification, AgentNotificationEvent, ContextPill};
 use crate::{AssistantPanel, OpenActiveThreadAsMarkdown};
 use anyhow::Context as _;
 use assistant_settings::{AssistantSettings, NotifyWhenAgentWaiting};
+use assistant_tool::ToolUseStatus;
 use collections::{HashMap, HashSet};
 use editor::scroll::Autoscroll;
 use editor::{Editor, EditorElement, EditorStyle, MultiBuffer};
@@ -943,8 +944,8 @@ impl ActiveThread {
                         &tool_use.input,
                         self.thread
                             .read(cx)
-                            .tool_result(&tool_use.id)
+                            .output_for_tool(&tool_use.id)
-                            .map(|result| result.content.clone().into())
+                            .map(|output| output.clone().into())
                             .unwrap_or("".into()),
                         cx,
                     );
@@ -2279,12 +2280,15 @@ impl ActiveThread {
         window: &mut Window,
         cx: &mut Context<Self>,
     ) -> impl IntoElement + use<> {
+        if let Some(card) = self.thread.read(cx).card_for_tool(&tool_use.id) {
+            return card.render(&tool_use.status, window, cx);
+        }
+
         let is_open = self
             .expanded_tool_uses
             .get(&tool_use.id)
             .copied()
             .unwrap_or_default();
-
         let is_status_finished = matches!(&tool_use.status, ToolUseStatus::Finished(_));
 
         let fs = self
@@ -2381,6 +2385,7 @@ impl ActiveThread {
                                         open_markdown_link(text, workspace.clone(), window, cx);
                                     }
                                 })
+                                .into_any_element()
                             }),
                         )),
                 ),
@@ -2437,6 +2442,7 @@ impl ActiveThread {
                                             open_markdown_link(text, workspace.clone(), window, cx);
                                         }
                                     })
+                                    .into_any_element()
                                 })),
                         ),
                 ),
@@ -2767,7 +2773,7 @@ impl ActiveThread {
                         )
                     })
             }
-        })
+        }).into_any_element()
     }
 
     fn render_rules_item(&self, cx: &Context<Self>) -> AnyElement {

crates/agent/src/thread.rs

@@ -6,7 +6,7 @@ use std::time::Instant;
 
 use anyhow::{Context as _, Result, anyhow};
 use assistant_settings::AssistantSettings;
-use assistant_tool::{ActionLog, Tool, ToolWorkingSet};
+use assistant_tool::{ActionLog, AnyToolCard, Tool, ToolWorkingSet};
 use chrono::{DateTime, Utc};
 use collections::{BTreeMap, HashMap};
 use feature_flags::{self, FeatureFlagAppExt};
@@ -631,6 +631,14 @@ impl Thread {
         self.tool_use.tool_result(id)
     }
 
+    pub fn output_for_tool(&self, id: &LanguageModelToolUseId) -> Option<&Arc<str>> {
+        Some(&self.tool_use.tool_result(id)?.content)
+    }
+
+    pub fn card_for_tool(&self, id: &LanguageModelToolUseId) -> Option<AnyToolCard> {
+        self.tool_use.tool_result_card(id).cloned()
+    }
+
     pub fn message_has_tool_results(&self, message_id: MessageId) -> bool {
         self.tool_use.message_has_tool_results(message_id)
     }
@@ -1426,6 +1434,12 @@ impl Thread {
             )
         };
 
+        // Store the card separately if it exists
+        if let Some(card) = tool_result.card.clone() {
+            self.tool_use
+                .insert_tool_result_card(tool_use_id.clone(), card);
+        }
+
         cx.spawn({
             async move |thread: WeakEntity<Thread>, cx| {
                 let output = tool_result.output.await;

crates/agent/src/tool_use.rs

@@ -1,7 +1,7 @@
 use std::sync::Arc;
 
 use anyhow::Result;
-use assistant_tool::{Tool, ToolWorkingSet};
+use assistant_tool::{AnyToolCard, Tool, ToolUseStatus, ToolWorkingSet};
 use collections::HashMap;
 use futures::FutureExt as _;
 use futures::future::Shared;
@@ -27,26 +27,7 @@ pub struct ToolUse {
     pub needs_confirmation: bool,
 }
 
-#[derive(Debug, Clone)]
+pub const USING_TOOL_MARKER: &str = "<using_tool>";
-pub enum ToolUseStatus {
-    NeedsConfirmation,
-    Pending,
-    Running,
-    Finished(SharedString),
-    Error(SharedString),
-}
-
-impl ToolUseStatus {
-    pub fn text(&self) -> SharedString {
-        match self {
-            ToolUseStatus::NeedsConfirmation => "".into(),
-            ToolUseStatus::Pending => "".into(),
-            ToolUseStatus::Running => "".into(),
-            ToolUseStatus::Finished(out) => out.clone(),
-            ToolUseStatus::Error(out) => out.clone(),
-        }
-    }
-}
 
 pub struct ToolUseState {
     tools: Entity<ToolWorkingSet>,
@@ -54,10 +35,9 @@ pub struct ToolUseState {
     tool_uses_by_user_message: HashMap<MessageId, Vec<LanguageModelToolUseId>>,
     tool_results: HashMap<LanguageModelToolUseId, LanguageModelToolResult>,
     pending_tool_uses_by_id: HashMap<LanguageModelToolUseId, PendingToolUse>,
+    tool_result_cards: HashMap<LanguageModelToolUseId, AnyToolCard>,
 }
 
-pub const USING_TOOL_MARKER: &str = "<using_tool>";
-
 impl ToolUseState {
     pub fn new(tools: Entity<ToolWorkingSet>) -> Self {
         Self {
@@ -66,6 +46,7 @@ impl ToolUseState {
             tool_uses_by_user_message: HashMap::default(),
             tool_results: HashMap::default(),
             pending_tool_uses_by_id: HashMap::default(),
+            tool_result_cards: HashMap::default(),
         }
     }
 
@@ -257,6 +238,18 @@ impl ToolUseState {
         self.tool_results.get(tool_use_id)
     }
 
+    pub fn tool_result_card(&self, tool_use_id: &LanguageModelToolUseId) -> Option<&AnyToolCard> {
+        self.tool_result_cards.get(tool_use_id)
+    }
+
+    pub fn insert_tool_result_card(
+        &mut self,
+        tool_use_id: LanguageModelToolUseId,
+        card: AnyToolCard,
+    ) {
+        self.tool_result_cards.insert(tool_use_id, card);
+    }
+
     pub fn request_tool_use(
         &mut self,
         assistant_message_id: MessageId,

crates/assistant_tool/src/assistant_tool.rs

@@ -9,6 +9,10 @@ use std::fmt::Formatter;
 use std::sync::Arc;
 
 use anyhow::Result;
+use gpui::AnyElement;
+use gpui::Context;
+use gpui::IntoElement;
+use gpui::Window;
 use gpui::{App, Entity, SharedString, Task};
 use icons::IconName;
 use language_model::LanguageModelRequestMessage;
@@ -24,16 +28,87 @@ pub fn init(cx: &mut App) {
     ToolRegistry::default_global(cx);
 }
 
-/// The result of running a tool
+#[derive(Debug, Clone)]
+pub enum ToolUseStatus {
+    NeedsConfirmation,
+    Pending,
+    Running,
+    Finished(SharedString),
+    Error(SharedString),
+}
+
+impl ToolUseStatus {
+    pub fn text(&self) -> SharedString {
+        match self {
+            ToolUseStatus::NeedsConfirmation => "".into(),
+            ToolUseStatus::Pending => "".into(),
+            ToolUseStatus::Running => "".into(),
+            ToolUseStatus::Finished(out) => out.clone(),
+            ToolUseStatus::Error(out) => out.clone(),
+        }
+    }
+}
+
+/// The result of running a tool, containing both the asynchronous output
+/// and an optional card view that can be rendered immediately.
 pub struct ToolResult {
     /// The asynchronous task that will eventually resolve to the tool's output
     pub output: Task<Result<String>>,
+    /// An optional view to present the output of the tool.
+    pub card: Option<AnyToolCard>,
+}
+
+pub trait ToolCard: 'static + Sized {
+    fn render(
+        &mut self,
+        status: &ToolUseStatus,
+        window: &mut Window,
+        cx: &mut Context<Self>,
+    ) -> impl IntoElement;
+}
+
+#[derive(Clone)]
+pub struct AnyToolCard {
+    entity: gpui::AnyEntity,
+    render: fn(
+        entity: gpui::AnyEntity,
+        status: &ToolUseStatus,
+        window: &mut Window,
+        cx: &mut App,
+    ) -> AnyElement,
+}
+
+impl<T: ToolCard> From<Entity<T>> for AnyToolCard {
+    fn from(entity: Entity<T>) -> Self {
+        fn downcast_render<T: ToolCard>(
+            entity: gpui::AnyEntity,
+            status: &ToolUseStatus,
+            window: &mut Window,
+            cx: &mut App,
+        ) -> AnyElement {
+            let entity = entity.downcast::<T>().unwrap();
+            entity.update(cx, |entity, cx| {
+                entity.render(status, window, cx).into_any_element()
+            })
+        }
+
+        Self {
+            entity: entity.into(),
+            render: downcast_render::<T>,
+        }
+    }
+}
+
+impl AnyToolCard {
+    pub fn render(&self, status: &ToolUseStatus, window: &mut Window, cx: &mut App) -> AnyElement {
+        (self.render)(self.entity.clone(), status, window, cx)
+    }
 }
 
 impl From<Task<Result<String>>> for ToolResult {
-    /// Convert from a task to a ToolResult
+    /// Convert from a task to a ToolResult with no card
     fn from(output: Task<Result<String>>) -> Self {
-        Self { output }
+        Self { output, card: None }
     }
 }
 

crates/assistant_tools/Cargo.toml

@@ -16,6 +16,7 @@ anyhow.workspace = true
 assistant_tool.workspace = true
 chrono.workspace = true
 collections.workspace = true
+feature_flags.workspace = true
 futures.workspace = true
 gpui.workspace = true
 html_to_markdown.workspace = true
@@ -32,7 +33,9 @@ ui.workspace = true
 util.workspace = true
 worktree.workspace = true
 open = { workspace = true }
+web_search.workspace = true
 workspace-hack.workspace = true
+zed_llm_client.workspace = true
 
 [dev-dependencies]
 collections = { workspace = true, features = ["test-support"] }

crates/assistant_tools/src/assistant_tools.rs

@@ -22,14 +22,17 @@ mod schema;
 mod symbol_info_tool;
 mod terminal_tool;
 mod thinking_tool;
+mod web_search_tool;
 
 use std::sync::Arc;
 
 use assistant_tool::ToolRegistry;
 use copy_path_tool::CopyPathTool;
+use feature_flags::FeatureFlagAppExt;
 use gpui::App;
 use http_client::HttpClientWithUrl;
 use move_path_tool::MovePathTool;
+use web_search_tool::WebSearchTool;
 
 use crate::batch_tool::BatchTool;
 use crate::code_action_tool::CodeActionTool;
@@ -56,28 +59,39 @@ pub fn init(http_client: Arc<HttpClientWithUrl>, cx: &mut App) {
     assistant_tool::init(cx);
 
     let registry = ToolRegistry::global(cx);
-    registry.register_tool(TerminalTool);
     registry.register_tool(BatchTool);
-    registry.register_tool(CreateDirectoryTool);
-    registry.register_tool(CreateFileTool);
-    registry.register_tool(CopyPathTool);
-    registry.register_tool(DeletePathTool);
-    registry.register_tool(FindReplaceFileTool);
-    registry.register_tool(SymbolInfoTool);
     registry.register_tool(CodeActionTool);
-    registry.register_tool(MovePathTool);
-    registry.register_tool(DiagnosticsTool);
-    registry.register_tool(ListDirectoryTool);
-    registry.register_tool(NowTool);
-    registry.register_tool(OpenTool);
     registry.register_tool(CodeSymbolsTool);
     registry.register_tool(ContentsTool);
+    registry.register_tool(CopyPathTool);
+    registry.register_tool(CreateDirectoryTool);
+    registry.register_tool(CreateFileTool);
+    registry.register_tool(DeletePathTool);
+    registry.register_tool(DiagnosticsTool);
+    registry.register_tool(FetchTool::new(http_client));
+    registry.register_tool(FindReplaceFileTool);
+    registry.register_tool(ListDirectoryTool);
+    registry.register_tool(MovePathTool);
+    registry.register_tool(NowTool);
+    registry.register_tool(OpenTool);
     registry.register_tool(PathSearchTool);
     registry.register_tool(ReadFileTool);
     registry.register_tool(RegexSearchTool);
     registry.register_tool(RenameTool);
+    registry.register_tool(SymbolInfoTool);
+    registry.register_tool(TerminalTool);
     registry.register_tool(ThinkingTool);
-    registry.register_tool(FetchTool::new(http_client));
+
+    cx.observe_flag::<feature_flags::ZedProWebSearchTool, _>({
+        move |is_enabled, cx| {
+            if is_enabled {
+                ToolRegistry::global(cx).register_tool(WebSearchTool);
+            } else {
+                ToolRegistry::global(cx).unregister_tool(WebSearchTool);
+            }
+        }
+    })
+    .detach();
 }
 
 #[cfg(test)]

crates/assistant_tools/src/web_search_tool.rs

@@ -0,0 +1,213 @@
+use std::{sync::Arc, time::Duration};
+
+use crate::schema::json_schema_for;
+use anyhow::{Context as _, Result, anyhow};
+use assistant_tool::{ActionLog, Tool, ToolCard, ToolResult, ToolUseStatus};
+use futures::{FutureExt, TryFutureExt};
+use gpui::{
+    Animation, AnimationExt, App, AppContext, Context, Entity, IntoElement, Task, Window,
+    pulsating_between,
+};
+use language_model::{LanguageModelRequestMessage, LanguageModelToolSchemaFormat};
+use project::Project;
+use schemars::JsonSchema;
+use serde::{Deserialize, Serialize};
+use ui::{IconName, Tooltip, prelude::*};
+use web_search::WebSearchRegistry;
+use zed_llm_client::WebSearchResponse;
+
+#[derive(Debug, Serialize, Deserialize, JsonSchema)]
+pub struct WebSearchToolInput {
+    /// The search term or question to query on the web.
+    query: String,
+}
+
+pub struct WebSearchTool;
+
+impl Tool for WebSearchTool {
+    fn name(&self) -> String {
+        "web_search".into()
+    }
+
+    fn needs_confirmation(&self, _: &serde_json::Value, _: &App) -> bool {
+        false
+    }
+
+    fn description(&self) -> String {
+        "Search the web for information using your query. Use this when you need real-time information, facts, or data that might not be in your training. Results will include snippets and links from relevant web pages.".into()
+    }
+
+    fn icon(&self) -> IconName {
+        IconName::Globe
+    }
+
+    fn input_schema(&self, format: LanguageModelToolSchemaFormat) -> Result<serde_json::Value> {
+        json_schema_for::<WebSearchToolInput>(format)
+    }
+
+    fn ui_text(&self, _input: &serde_json::Value) -> String {
+        "Web Search".to_string()
+    }
+
+    fn run(
+        self: Arc<Self>,
+        input: serde_json::Value,
+        _messages: &[LanguageModelRequestMessage],
+        _project: Entity<Project>,
+        _action_log: Entity<ActionLog>,
+        cx: &mut App,
+    ) -> ToolResult {
+        let input = match serde_json::from_value::<WebSearchToolInput>(input) {
+            Ok(input) => input,
+            Err(err) => return Task::ready(Err(anyhow!(err))).into(),
+        };
+        let Some(provider) = WebSearchRegistry::read_global(cx).active_provider() else {
+            return Task::ready(Err(anyhow!("Web search is not available."))).into();
+        };
+
+        let search_task = provider.search(input.query, cx).map_err(Arc::new).shared();
+        let output = cx.background_spawn({
+            let search_task = search_task.clone();
+            async move {
+                let response = search_task.await.map_err(|err| anyhow!(err))?;
+                serde_json::to_string(&response).context("Failed to serialize search results")
+            }
+        });
+
+        ToolResult {
+            output,
+            card: Some(cx.new(|cx| WebSearchToolCard::new(search_task, cx)).into()),
+        }
+    }
+}
+
+struct WebSearchToolCard {
+    response: Option<Result<WebSearchResponse>>,
+    _task: Task<()>,
+}
+
+impl WebSearchToolCard {
+    fn new(
+        search_task: impl 'static + Future<Output = Result<WebSearchResponse, Arc<anyhow::Error>>>,
+        cx: &mut Context<Self>,
+    ) -> Self {
+        let _task = cx.spawn(async move |this, cx| {
+            let response = search_task.await.map_err(|err| anyhow!(err));
+            this.update(cx, |this, cx| {
+                this.response = Some(response);
+                cx.notify();
+            })
+            .ok();
+        });
+
+        Self {
+            response: None,
+            _task,
+        }
+    }
+}
+
+impl ToolCard for WebSearchToolCard {
+    fn render(
+        &mut self,
+        _status: &ToolUseStatus,
+        _window: &mut Window,
+        cx: &mut Context<Self>,
+    ) -> impl IntoElement {
+        let header = h_flex()
+            .id("tool-label-container")
+            .gap_1p5()
+            .max_w_full()
+            .overflow_x_scroll()
+            .child(
+                Icon::new(IconName::Globe)
+                    .size(IconSize::XSmall)
+                    .color(Color::Muted),
+            )
+            .child(match self.response.as_ref() {
+                Some(Ok(response)) => {
+                    let text: SharedString = if response.citations.len() == 1 {
+                        "1 result".into()
+                    } else {
+                        format!("{} results", response.citations.len()).into()
+                    };
+                    h_flex()
+                        .gap_1p5()
+                        .child(Label::new("Searched the Web").size(LabelSize::Small))
+                        .child(
+                            div()
+                                .size(px(3.))
+                                .rounded_full()
+                                .bg(cx.theme().colors().text),
+                        )
+                        .child(Label::new(text).size(LabelSize::Small))
+                        .into_any_element()
+                }
+                Some(Err(error)) => div()
+                    .id("web-search-error")
+                    .child(Label::new("Web Search failed").size(LabelSize::Small))
+                    .tooltip(Tooltip::text(error.to_string()))
+                    .into_any_element(),
+
+                None => Label::new("Searching the Web…")
+                    .size(LabelSize::Small)
+                    .with_animation(
+                        "web-search-label",
+                        Animation::new(Duration::from_secs(2))
+                            .repeat()
+                            .with_easing(pulsating_between(0.6, 1.)),
+                        |label, delta| label.alpha(delta),
+                    )
+                    .into_any_element(),
+            })
+            .into_any();
+
+        let content =
+            self.response.as_ref().and_then(|response| match response {
+                Ok(response) => {
+                    Some(
+                        v_flex()
+                            .ml_1p5()
+                            .pl_1p5()
+                            .border_l_1()
+                            .border_color(cx.theme().colors().border_variant)
+                            .gap_1()
+                            .children(response.citations.iter().enumerate().map(
+                                |(index, citation)| {
+                                    let title = citation.title.clone();
+                                    let url = citation.url.clone();
+
+                                    Button::new(("citation", index), title)
+                                        .label_size(LabelSize::Small)
+                                        .color(Color::Muted)
+                                        .icon(IconName::ArrowUpRight)
+                                        .icon_size(IconSize::XSmall)
+                                        .icon_position(IconPosition::End)
+                                        .truncate(true)
+                                        .tooltip({
+                                            let url = url.clone();
+                                            move |window, cx| {
+                                                Tooltip::with_meta(
+                                                    "Citation Link",
+                                                    None,
+                                                    url.clone(),
+                                                    window,
+                                                    cx,
+                                                )
+                                            }
+                                        })
+                                        .on_click({
+                                            let url = url.clone();
+                                            move |_, _, cx| cx.open_url(&url)
+                                        })
+                                },
+                            ))
+                            .into_any(),
+                    )
+                }
+                Err(_) => None,
+            });
+
+        v_flex().my_2().gap_1().child(header).children(content)
+    }
+}

crates/feature_flags/src/feature_flags.rs

@@ -84,6 +84,11 @@ impl FeatureFlag for ZedPro {
     const NAME: &'static str = "zed-pro";
 }
 
+pub struct ZedProWebSearchTool {}
+impl FeatureFlag for ZedProWebSearchTool {
+    const NAME: &'static str = "zed-pro-web-search-tool";
+}
+
 pub struct NotebookFeatureFlag;
 
 impl FeatureFlag for NotebookFeatureFlag {

crates/ui/src/components/tooltip.rs

@@ -160,7 +160,11 @@ impl Render for Tooltip {
                     }),
             )
             .when_some(self.meta.clone(), |this, meta| {
-                this.child(Label::new(meta).size(LabelSize::Small).color(Color::Muted))
+                this.child(
+                    div()
+                        .max_w_72()
+                        .child(Label::new(meta).size(LabelSize::Small).color(Color::Muted)),
+                )
             })
         })
     }

crates/web_search/Cargo.toml

@@ -0,0 +1,20 @@
+[package]
+name = "web_search"
+version = "0.1.0"
+edition.workspace = true
+publish.workspace = true
+license = "GPL-3.0-or-later"
+
+[lints]
+workspace = true
+
+[lib]
+path = "src/web_search.rs"
+
+[dependencies]
+anyhow.workspace = true
+collections.workspace = true
+gpui.workspace = true
+serde.workspace = true
+workspace-hack.workspace = true
+zed_llm_client.workspace = true

crates/web_search/LICENSE-GPL

@@ -0,0 +1 @@
+../../LICENSE-GPL

crates/web_search/src/web_search.rs

@@ -0,0 +1,64 @@
+use anyhow::Result;
+use collections::HashMap;
+use gpui::{App, AppContext as _, Context, Entity, Global, SharedString, Task};
+use std::sync::Arc;
+use zed_llm_client::WebSearchResponse;
+
+pub fn init(cx: &mut App) {
+    let registry = cx.new(|_cx| WebSearchRegistry::default());
+    cx.set_global(GlobalWebSearchRegistry(registry));
+}
+
+#[derive(Clone, Eq, PartialEq, Hash, Debug, Ord, PartialOrd)]
+pub struct WebSearchProviderId(pub SharedString);
+
+pub trait WebSearchProvider {
+    fn id(&self) -> WebSearchProviderId;
+    fn search(&self, query: String, cx: &mut App) -> Task<Result<WebSearchResponse>>;
+}
+
+struct GlobalWebSearchRegistry(Entity<WebSearchRegistry>);
+
+impl Global for GlobalWebSearchRegistry {}
+
+#[derive(Default)]
+pub struct WebSearchRegistry {
+    providers: HashMap<WebSearchProviderId, Arc<dyn WebSearchProvider>>,
+    active_provider: Option<Arc<dyn WebSearchProvider>>,
+}
+
+impl WebSearchRegistry {
+    pub fn global(cx: &App) -> Entity<Self> {
+        cx.global::<GlobalWebSearchRegistry>().0.clone()
+    }
+
+    pub fn read_global(cx: &App) -> &Self {
+        cx.global::<GlobalWebSearchRegistry>().0.read(cx)
+    }
+
+    pub fn providers(&self) -> impl Iterator<Item = &Arc<dyn WebSearchProvider>> {
+        self.providers.values()
+    }
+
+    pub fn active_provider(&self) -> Option<Arc<dyn WebSearchProvider>> {
+        self.active_provider.clone()
+    }
+
+    pub fn set_active_provider(&mut self, provider: Arc<dyn WebSearchProvider>) {
+        self.active_provider = Some(provider.clone());
+        self.providers.insert(provider.id(), provider);
+    }
+
+    pub fn register_provider<T: WebSearchProvider + 'static>(
+        &mut self,
+        provider: T,
+        _cx: &mut Context<Self>,
+    ) {
+        let id = provider.id();
+        let provider = Arc::new(provider);
+        self.providers.insert(id.clone(), provider.clone());
+        if self.active_provider.is_none() {
+            self.active_provider = Some(provider);
+        }
+    }
+}

crates/web_search_providers/Cargo.toml

@@ -0,0 +1,26 @@
+[package]
+name = "web_search_providers"
+version = "0.1.0"
+edition.workspace = true
+publish.workspace = true
+license = "GPL-3.0-or-later"
+
+[lints]
+workspace = true
+
+[lib]
+path = "src/web_search_providers.rs"
+
+[dependencies]
+anyhow.workspace = true
+client.workspace = true
+feature_flags.workspace = true
+futures.workspace = true
+gpui.workspace = true
+http_client.workspace = true
+language_model.workspace = true
+serde.workspace = true
+serde_json.workspace = true
+web_search.workspace = true
+workspace-hack.workspace = true
+zed_llm_client.workspace = true

crates/web_search_providers/LICENSE-GPL

@@ -0,0 +1 @@
+../../LICENSE-GPL

crates/web_search_providers/src/cloud.rs

@@ -0,0 +1,103 @@
+use std::sync::Arc;
+
+use anyhow::{Context as _, Result, anyhow};
+use client::Client;
+use futures::AsyncReadExt as _;
+use gpui::{App, AppContext, Context, Entity, Subscription, Task};
+use http_client::{HttpClient, Method};
+use language_model::{LlmApiToken, RefreshLlmTokenListener};
+use web_search::{WebSearchProvider, WebSearchProviderId};
+use zed_llm_client::{WebSearchBody, WebSearchResponse};
+
+pub struct CloudWebSearchProvider {
+    state: Entity<State>,
+}
+
+impl CloudWebSearchProvider {
+    pub fn new(client: Arc<Client>, cx: &mut App) -> Self {
+        let state = cx.new(|cx| State::new(client, cx));
+
+        Self { state }
+    }
+}
+
+pub struct State {
+    client: Arc<Client>,
+    llm_api_token: LlmApiToken,
+    _llm_token_subscription: Subscription,
+}
+
+impl State {
+    pub fn new(client: Arc<Client>, cx: &mut Context<Self>) -> Self {
+        let refresh_llm_token_listener = RefreshLlmTokenListener::global(cx);
+
+        Self {
+            client,
+            llm_api_token: LlmApiToken::default(),
+            _llm_token_subscription: cx.subscribe(
+                &refresh_llm_token_listener,
+                |this, _, _event, cx| {
+                    let client = this.client.clone();
+                    let llm_api_token = this.llm_api_token.clone();
+                    cx.spawn(async move |_this, _cx| {
+                        llm_api_token.refresh(&client).await?;
+                        anyhow::Ok(())
+                    })
+                    .detach_and_log_err(cx);
+                },
+            ),
+        }
+    }
+}
+
+impl WebSearchProvider for CloudWebSearchProvider {
+    fn id(&self) -> WebSearchProviderId {
+        WebSearchProviderId("zed.dev".into())
+    }
+
+    fn search(&self, query: String, cx: &mut App) -> Task<Result<WebSearchResponse>> {
+        let state = self.state.read(cx);
+        let client = state.client.clone();
+        let llm_api_token = state.llm_api_token.clone();
+        let body = WebSearchBody { query };
+        cx.background_spawn(async move { perform_web_search(client, llm_api_token, body).await })
+    }
+}
+
+async fn perform_web_search(
+    client: Arc<Client>,
+    llm_api_token: LlmApiToken,
+    body: WebSearchBody,
+) -> Result<WebSearchResponse> {
+    let http_client = &client.http_client();
+
+    let token = llm_api_token.acquire(&client).await?;
+
+    let request_builder = http_client::Request::builder().method(Method::POST);
+    let request_builder = if let Ok(web_search_url) = std::env::var("ZED_WEB_SEARCH_URL") {
+        request_builder.uri(web_search_url)
+    } else {
+        request_builder.uri(http_client.build_zed_llm_url("/web_search", &[])?.as_ref())
+    };
+    let request = request_builder
+        .header("Content-Type", "application/json")
+        .header("Authorization", format!("Bearer {token}"))
+        .body(serde_json::to_string(&body)?.into())?;
+    let mut response = http_client
+        .send(request)
+        .await
+        .context("failed to send web search request")?;
+
+    if response.status().is_success() {
+        let mut body = String::new();
+        response.body_mut().read_to_string(&mut body).await?;
+        return Ok(serde_json::from_str(&body)?);
+    } else {
+        let mut body = String::new();
+        response.body_mut().read_to_string(&mut body).await?;
+        return Err(anyhow!(
+            "error performing web search.\nStatus: {:?}\nBody: {body}",
+            response.status(),
+        ));
+    }
+}

crates/web_search_providers/src/web_search_providers.rs

@@ -0,0 +1,35 @@
+mod cloud;
+
+use client::Client;
+use feature_flags::{FeatureFlagAppExt, ZedProWebSearchTool};
+use gpui::{App, Context};
+use std::sync::Arc;
+use web_search::WebSearchRegistry;
+
+pub fn init(client: Arc<Client>, cx: &mut App) {
+    let registry = WebSearchRegistry::global(cx);
+    registry.update(cx, |registry, cx| {
+        register_web_search_providers(registry, client, cx);
+    });
+}
+
+fn register_web_search_providers(
+    _registry: &mut WebSearchRegistry,
+    client: Arc<Client>,
+    cx: &mut Context<WebSearchRegistry>,
+) {
+    cx.observe_flag::<ZedProWebSearchTool, _>({
+        let client = client.clone();
+        move |is_enabled, cx| {
+            if is_enabled {
+                WebSearchRegistry::global(cx).update(cx, |registry, cx| {
+                    registry.register_provider(
+                        cloud::CloudWebSearchProvider::new(client.clone(), cx),
+                        cx,
+                    );
+                });
+            }
+        }
+    })
+    .detach();
+}

crates/zed/Cargo.toml

@@ -133,6 +133,8 @@ util.workspace = true
 uuid.workspace = true
 vim.workspace = true
 vim_mode_setting.workspace = true
+web_search.workspace = true
+web_search_providers.workspace = true
 welcome.workspace = true
 workspace.workspace = true
 zed_actions.workspace = true

crates/zed/src/main.rs

@@ -490,6 +490,8 @@ fn main() {
             app_state.fs.clone(),
             cx,
         );
+        web_search::init(cx);
+        web_search_providers::init(app_state.client.clone(), cx);
         snippet_provider::init(cx);
         inline_completion_registry::init(
             app_state.client.clone(),

crates/zed/src/zed.rs

@@ -4258,6 +4258,8 @@ mod tests {
                 app_state.fs.clone(),
                 cx,
             );
+            web_search::init(cx);
+            web_search_providers::init(app_state.client.clone(), cx);
             let prompt_builder = PromptBuilder::load(app_state.fs.clone(), false, cx);
             assistant::init(
                 app_state.fs.clone(),