feat: add read_file tool

2026-05-31 12:11:09 -05:00
parent 3f0d9a80c7
commit 0dc0f7eb53
5 changed files with 49 additions and 10 deletions
@@ -487,9 +487,8 @@ export function CheckoutPrTool(ctx: ToolContext) {
      hookWarning: checkoutResult.hookWarning,
      instructions:
        `the diff file at diffPath contains a table of contents (TOC) listing every changed file with its line range. ` +
-        `to read the diff, use the shell MCP tool — for example: shell({ command: 'sed -n "<start>,<end>p" ${join(tempDir, `pr-${pull_number}-${headShort}.diff`)}', description: 'read diff section' }). ` +
-        `use the TOC line ranges as your checklist and read specific sections. ` +
-        `for example, if the TOC says "src/foo.ts → lines 5-42", run: shell({ command: 'sed -n "5,42p" <diffPath>', description: 'read foo.ts diff' }). ` +
+        `use the read_file MCP tool to read sections of it. ` +
+        `for example, if the TOC says "src/foo.ts → lines 5-42", call: read_file({ path: diffPath, start_line: 5, end_line: 42 }). ` +
        `IMPORTANT: to inspect the PR's changed files, read diffPath directly — ` +
        `do NOT run git diff or git show. The PR base branch is '${pr.baseRef}', NOT necessarily 'main' — ` +
        `if you must use git, use 'origin/${pr.baseRef}' as the base (e.g. git log origin/${pr.baseRef}..HEAD), ` +