diff --git a/crates/assistant2/src/thread.rs b/crates/assistant2/src/thread.rs
index df9b1c370c..c54ae4d738 100644
--- a/crates/assistant2/src/thread.rs
+++ b/crates/assistant2/src/thread.rs
@@ -5,7 +5,7 @@ use assistant_tool::ToolWorkingSet;
 use chrono::{DateTime, Utc};
 use collections::{BTreeMap, HashMap, HashSet};
 use futures::StreamExt as _;
-use gpui::{App, Context, Entity, EventEmitter, SharedString, Task, WeakEntity};
+use gpui::{App, Context, Entity, EventEmitter, SharedString, Task};
 use language_model::{
     LanguageModel, LanguageModelCompletionEvent, LanguageModelRegistry, LanguageModelRequest,
     LanguageModelRequestMessage, LanguageModelRequestTool, LanguageModelToolResult,
@@ -72,7 +72,7 @@ pub struct Thread {
     context_by_message: HashMap<MessageId, Vec<ContextId>>,
     completion_count: usize,
     pending_completions: Vec<PendingCompletion>,
-    project: WeakEntity<Project>,
+    project: Entity<Project>,
     tools: Arc<ToolWorkingSet>,
     tool_use: ToolUseState,
 }
@@ -94,7 +94,7 @@ impl Thread {
             context_by_message: HashMap::default(),
             completion_count: 0,
             pending_completions: Vec::new(),
-            project: project.downgrade(),
+            project,
             tools,
             tool_use: ToolUseState::new(),
         }
@@ -135,7 +135,7 @@ impl Thread {
             context_by_message: HashMap::default(),
             completion_count: 0,
             pending_completions: Vec::new(),
-            project: project.downgrade(),
+            project,
             tools,
             tool_use,
         }
diff --git a/crates/assistant_tool/src/assistant_tool.rs b/crates/assistant_tool/src/assistant_tool.rs
index b2eaead980..dd7458b75b 100644
--- a/crates/assistant_tool/src/assistant_tool.rs
+++ b/crates/assistant_tool/src/assistant_tool.rs
@@ -4,7 +4,7 @@ mod tool_working_set;
 use std::sync::Arc;
 
 use anyhow::Result;
-use gpui::{App, Task, WeakEntity};
+use gpui::{App, Entity, Task};
 use project::Project;
 
 pub use crate::tool_registry::*;
@@ -31,7 +31,7 @@ pub trait Tool: 'static + Send + Sync {
     fn run(
         self: Arc<Self>,
         input: serde_json::Value,
-        project: WeakEntity<Project>,
+        project: Entity<Project>,
         cx: &mut App,
     ) -> Task<Result<String>>;
 }
diff --git a/crates/assistant_tools/src/list_worktrees_tool.rs b/crates/assistant_tools/src/list_worktrees_tool.rs
index 6a4ed43954..eace3b6665 100644
--- a/crates/assistant_tools/src/list_worktrees_tool.rs
+++ b/crates/assistant_tools/src/list_worktrees_tool.rs
@@ -1,8 +1,8 @@
 use std::sync::Arc;
 
-use anyhow::{anyhow, Result};
+use anyhow::Result;
 use assistant_tool::Tool;
-use gpui::{App, Task, WeakEntity};
+use gpui::{App, Entity, Task};
 use project::Project;
 use schemars::JsonSchema;
 use serde::{Deserialize, Serialize};
@@ -34,13 +34,9 @@ impl Tool for ListWorktreesTool {
     fn run(
         self: Arc<Self>,
         _input: serde_json::Value,
-        project: WeakEntity<Project>,
+        project: Entity<Project>,
         cx: &mut App,
     ) -> Task<Result<String>> {
-        let Some(project) = project.upgrade() else {
-            return Task::ready(Err(anyhow!("project dropped")));
-        };
-
         cx.spawn(|cx| async move {
             cx.update(|cx| {
                 #[derive(Debug, Serialize)]
diff --git a/crates/assistant_tools/src/now_tool.rs b/crates/assistant_tools/src/now_tool.rs
index 1736f6bd9a..23fe6aa43d 100644
--- a/crates/assistant_tools/src/now_tool.rs
+++ b/crates/assistant_tools/src/now_tool.rs
@@ -3,7 +3,7 @@ use std::sync::Arc;
 use anyhow::{anyhow, Result};
 use assistant_tool::Tool;
 use chrono::{Local, Utc};
-use gpui::{App, Task, WeakEntity};
+use gpui::{App, Entity, Task};
 use project::Project;
 use schemars::JsonSchema;
 use serde::{Deserialize, Serialize};
@@ -42,7 +42,7 @@ impl Tool for NowTool {
     fn run(
         self: Arc<Self>,
         input: serde_json::Value,
-        _project: WeakEntity<Project>,
+        _project: Entity<Project>,
         _cx: &mut App,
     ) -> Task<Result<String>> {
         let input: NowToolInput = match serde_json::from_value(input) {
diff --git a/crates/assistant_tools/src/read_file_tool.rs b/crates/assistant_tools/src/read_file_tool.rs
index b12bc89a1f..88775a3024 100644
--- a/crates/assistant_tools/src/read_file_tool.rs
+++ b/crates/assistant_tools/src/read_file_tool.rs
@@ -3,7 +3,7 @@ use std::sync::Arc;
 
 use anyhow::{anyhow, Result};
 use assistant_tool::Tool;
-use gpui::{App, Task, WeakEntity};
+use gpui::{App, Entity, Task};
 use project::{Project, ProjectPath, WorktreeId};
 use schemars::JsonSchema;
 use serde::{Deserialize, Serialize};
@@ -37,13 +37,9 @@ impl Tool for ReadFileTool {
     fn run(
         self: Arc<Self>,
         input: serde_json::Value,
-        project: WeakEntity<Project>,
+        project: Entity<Project>,
         cx: &mut App,
     ) -> Task<Result<String>> {
-        let Some(project) = project.upgrade() else {
-            return Task::ready(Err(anyhow!("project dropped")));
-        };
-
         let input = match serde_json::from_value::<ReadFileToolInput>(input) {
             Ok(input) => input,
             Err(err) => return Task::ready(Err(anyhow!(err))),
diff --git a/crates/context_server/src/context_server_tool.rs b/crates/context_server/src/context_server_tool.rs
index 90bfebe7a6..d5dacb556c 100644
--- a/crates/context_server/src/context_server_tool.rs
+++ b/crates/context_server/src/context_server_tool.rs
@@ -1,8 +1,9 @@
 use std::sync::Arc;
 
-use anyhow::{anyhow, bail};
+use anyhow::{anyhow, bail, Result};
 use assistant_tool::Tool;
 use gpui::{App, Entity, Task};
+use project::Project;
 
 use crate::manager::ContextServerManager;
 use crate::types;
@@ -49,11 +50,11 @@ impl Tool for ContextServerTool {
     }
 
     fn run(
-        self: std::sync::Arc<Self>,
+        self: Arc<Self>,
         input: serde_json::Value,
-        _project: gpui::WeakEntity<project::Project>,
+        _project: Entity<Project>,
         cx: &mut App,
-    ) -> gpui::Task<gpui::Result<String>> {
+    ) -> Task<Result<String>> {
         if let Some(server) = self.server_manager.read(cx).get_server(&self.server_id) {
             cx.foreground_executor().spawn({
                 let tool_name = self.tool.name.clone();
diff --git a/crates/scripting_tool/src/scripting_tool.rs b/crates/scripting_tool/src/scripting_tool.rs
index f8e660d213..0880c42a0c 100644
--- a/crates/scripting_tool/src/scripting_tool.rs
+++ b/crates/scripting_tool/src/scripting_tool.rs
@@ -4,7 +4,7 @@ use project::Project;
 pub(crate) use session::*;
 
 use assistant_tool::{Tool, ToolRegistry};
-use gpui::{App, AppContext as _, Task, WeakEntity};
+use gpui::{App, AppContext as _, Entity, Task};
 use schemars::JsonSchema;
 use serde::Deserialize;
 use std::sync::Arc;
@@ -38,16 +38,13 @@ impl Tool for ScriptingTool {
     fn run(
         self: Arc<Self>,
         input: serde_json::Value,
-        project: WeakEntity<Project>,
+        project: Entity<Project>,
         cx: &mut App,
     ) -> Task<anyhow::Result<String>> {
         let input = match serde_json::from_value::<ScriptingToolInput>(input) {
             Err(err) => return Task::ready(Err(err.into())),
             Ok(input) => input,
         };
-        let Some(project) = project.upgrade() else {
-            return Task::ready(Err(anyhow::anyhow!("project dropped")));
-        };
 
         let session = cx.new(|cx| Session::new(project, cx));
         let lua_script = input.lua_script;