diff --git a/agents/claude.ts b/agents/claude.ts
index 87209bd..c7e00bc 100644
--- a/agents/claude.ts
+++ b/agents/claude.ts
@@ -53,11 +53,10 @@ export const claude = agent({
     // This ensures secrets are only available to Claude Code subprocess, not user code
     const queryInstance = query({
       prompt,
-
       options: {
         ...sandboxOptions,
         mcpServers,
-
+        model: "claude-opus-4-5",
         pathToClaudeCodeExecutable: cliPath,
         env: createAgentEnv({ ANTHROPIC_API_KEY: apiKey }),
       },
diff --git a/entry b/entry
index 8faec09..2919138 100755
--- a/entry
+++ b/entry
@@ -92629,7 +92629,7 @@ ${disableProgressComment ? "" : `
       description: "Review code, PRs, or implementations; provide feedback or suggestions; identify issues; or check code quality, style, and correctness",
       prompt: `Follow these steps. THINK HARDER.
 
-1. **CHECKOUT** - Use ${ghPullfrogMcpName}/checkout_pr with the PR number. This returns all PR metadata (title, base, head, fork status) AND a \`diffPath\` pointing to a file containing the formatted diff.
+1. **CHECKOUT** - Call ${ghPullfrogMcpName}/checkout_pr with the PR number. This returns all PR metadata you need (title, base, head, fork status, url) - do not call get_pull_request separately. It also returns a \`diffPath\` - read this file to see the diff.
 
 2. **UNDERSTAND CONTEXT** - Read the modified files to understand the changes in context. Don't just look at the diff - understand how the changes affect the overall codebase.
 
@@ -93340,6 +93340,7 @@ var claude = agent({
       options: {
         ...sandboxOptions,
         mcpServers,
+        model: "claude-opus-4-5",
         pathToClaudeCodeExecutable: cliPath,
         env: createAgentEnv({ ANTHROPIC_API_KEY: apiKey })
       }
@@ -123127,7 +123128,7 @@ async function checkoutPrBranch(params) {
 function CheckoutPrTool(ctx) {
   return tool({
     name: "checkout_pr",
-    description: "Checkout a pull request branch locally. This fetches the PR branch and sets up push configuration for fork PRs. The PR diff is written to a file (diffPath) for grep access. For small diffs, it's also returned inline.",
+    description: "Checkout a pull request branch locally. This fetches the PR branch and sets up push configuration for fork PRs. Returns diffPath pointing to the formatted diff file.",
     parameters: CheckoutPr,
     execute: execute(async ({ pull_number }) => {
       const result = await checkoutPrBranch({
@@ -123166,7 +123167,6 @@ ${diffPreview}`);
       const diffPath = join8(tempDir, `pr-${pull_number}.diff`);
       writeFileSync4(diffPath, diffContent);
       log.debug(`wrote diff to ${diffPath} (${diffContent.length} bytes)`);
-      const diff = `Diff written to ${diffPath} (${(diffContent.length / 1024).toFixed(1)}KB). Use grep or read_file to explore.`;
       return {
         success: true,
         number: pr.data.number,
@@ -123177,7 +123177,6 @@ ${diffPreview}`);
         maintainerCanModify: pr.data.maintainer_can_modify,
         url: pr.data.html_url,
         headRepo: headRepo.full_name,
-        diff,
         diffPath
       };
     })
diff --git a/mcp/checkout.ts b/mcp/checkout.ts
index dccdd72..2d249fe 100644
--- a/mcp/checkout.ts
+++ b/mcp/checkout.ts
@@ -94,7 +94,6 @@ export type CheckoutPrResult = {
   maintainerCanModify: boolean;
   url: string;
   headRepo: string;
-  diff: string;
   diffPath: string;
 };
 
@@ -217,7 +216,7 @@ export function CheckoutPrTool(ctx: ToolContext) {
     name: "checkout_pr",
     description:
       "Checkout a pull request branch locally. This fetches the PR branch and sets up push configuration for fork PRs. " +
-      "The PR diff is written to a file (diffPath) for grep access. For small diffs, it's also returned inline.",
+      "Returns diffPath pointing to the formatted diff file.",
     parameters: CheckoutPr,
     execute: execute(async ({ pull_number }) => {
       const result = await checkoutPrBranch({
@@ -263,9 +262,6 @@ export function CheckoutPrTool(ctx: ToolContext) {
       writeFileSync(diffPath, diffContent);
       log.debug(`wrote diff to ${diffPath} (${diffContent.length} bytes)`);
 
-      // don't inline diff - always point to file to reduce context size
-      const diff = `Diff written to ${diffPath} (${(diffContent.length / 1024).toFixed(1)}KB). Use grep or read_file to explore.`;
-
       return {
         success: true,
         number: pr.data.number,
@@ -276,7 +272,6 @@ export function CheckoutPrTool(ctx: ToolContext) {
         maintainerCanModify: pr.data.maintainer_can_modify,
         url: pr.data.html_url,
         headRepo: headRepo.full_name,
-        diff,
         diffPath,
       } satisfies CheckoutPrResult;
     }),
diff --git a/modes.ts b/modes.ts
index 6ea00ee..47c926e 100644
--- a/modes.ts
+++ b/modes.ts
@@ -101,7 +101,7 @@ ${
         "Review code, PRs, or implementations; provide feedback or suggestions; identify issues; or check code quality, style, and correctness",
       prompt: `Follow these steps. THINK HARDER.
 
-1. **CHECKOUT** - Use ${ghPullfrogMcpName}/checkout_pr with the PR number. This returns all PR metadata (title, base, head, fork status) AND a \`diffPath\` pointing to a file containing the formatted diff.
+1. **CHECKOUT** - Call ${ghPullfrogMcpName}/checkout_pr with the PR number. This returns all PR metadata you need (title, base, head, fork status, url) - do not call get_pull_request separately. It also returns a \`diffPath\` - read this file to see the diff.
 
 2. **UNDERSTAND CONTEXT** - Read the modified files to understand the changes in context. Don't just look at the diff - understand how the changes affect the overall codebase.