diff --git a/README.md b/README.md
index 6c1f8c9..5e89409 100644
--- a/README.md
+++ b/README.md
@@ -47,6 +47,29 @@ pytest を実行します。
 py -m pytest
 ```
 
+## 半自動チェック
+
+開発中の基本確認をまとめて実行します。
+
+```powershell
+.\scripts\dev_check.ps1
+```
+
+PR作成前の確認をまとめて表示します。
+
+```powershell
+.\scripts\git_preflight.ps1
+```
+
+PR本文テンプレートを表示、またはファイルへ保存します。
+
+```powershell
+.\scripts\pr_body.ps1
+.\scripts\pr_body.ps1 -OutputPath pr_body.md
+```
+
+これらのスクリプトは実機通信、`real_device_check.py`、`git push`、PR作成、mergeを自動実行しません。
+
 ## mock TCPサーバーの使い方
 
 UTRリーダライタ実機の代わりに、localhost 上で mock TCPサーバーを起動できます。
diff --git a/prompts/pr_body_template.md b/prompts/pr_body_template.md
new file mode 100644
index 0000000..f210293
--- /dev/null
+++ b/prompts/pr_body_template.md
@@ -0,0 +1,22 @@
+## Summary
+
+-
+
+## Test
+
+- [ ] `.\scripts\dev_check.ps1`
+- [ ] pytest completed
+- [ ] blocked text scan completed
+- [ ] `logs/real_device/` ignore check completed
+
+## Safety
+
+- [ ] No real device communication
+- [ ] `real_device_check.py` not executed
+- [ ] `logs/real_device/` is excluded from Git
+- [ ] `git push` not executed
+- [ ] PR creation and merge are manual
+
+## Notes
+
+-
diff --git a/scripts/git_preflight.ps1 b/scripts/git_preflight.ps1
new file mode 100644
index 0000000..7749abb
--- /dev/null
+++ b/scripts/git_preflight.ps1
@@ -0,0 +1,66 @@
+Set-StrictMode -Version Latest
+$ErrorActionPreference = "Stop"
+
+$repoRoot = Resolve-Path (Join-Path $PSScriptRoot "..")
+$failed = $false
+
+function Invoke-Check {
+    param(
+        [Parameter(Mandatory = $true)]
+        [string]$Title,
+
+        [Parameter(Mandatory = $true)]
+        [scriptblock]$Command
+    )
+
+    Write-Host ""
+    Write-Host "== $Title =="
+
+    try {
+        $global:LASTEXITCODE = 0
+        & $Command
+        if ($LASTEXITCODE -ne 0) {
+            throw "Exit code $LASTEXITCODE"
+        }
+    }
+    catch {
+        Write-Host "ERROR: $Title failed: $_" -ForegroundColor Red
+        $script:failed = $true
+    }
+}
+
+Push-Location $repoRoot
+try {
+    Invoke-Check "current branch" {
+        git branch --show-current
+    }
+
+    Invoke-Check "git status --short" {
+        git status --short
+    }
+
+    Invoke-Check "git diff --stat" {
+        git diff --stat
+    }
+
+    Invoke-Check "git log --oneline --decorate -5" {
+        git log --oneline --decorate -5
+    }
+
+    $devCheckScript = Join-Path $PSScriptRoot "dev_check.ps1"
+    Invoke-Check "dev_check.ps1" {
+        & $devCheckScript
+    }
+}
+finally {
+    Pop-Location
+}
+
+if ($failed) {
+    Write-Host "ERROR: git_preflight failed." -ForegroundColor Red
+    exit 1
+}
+
+Write-Host ""
+Write-Host "git_preflight passed."
+exit 0
diff --git a/scripts/pr_body.ps1 b/scripts/pr_body.ps1
new file mode 100644
index 0000000..ec19271
--- /dev/null
+++ b/scripts/pr_body.ps1
@@ -0,0 +1,46 @@
+param(
+    [string]$OutputPath
+)
+
+Set-StrictMode -Version Latest
+$ErrorActionPreference = "Stop"
+
+$body = @'
+## Summary
+
+-
+
+## Test
+
+- [ ] `.\scripts\dev_check.ps1`
+- [ ] pytest completed
+- [ ] blocked text scan completed
+- [ ] `logs/real_device/` ignore check completed
+
+## Safety
+
+- [ ] No real device communication
+- [ ] `real_device_check.py` not executed
+- [ ] `logs/real_device/` is excluded from Git
+- [ ] `git push` not executed
+- [ ] PR creation and merge are manual
+
+## Notes
+
+-
+'@
+
+if ($OutputPath) {
+    $parent = Split-Path -Parent $OutputPath
+    if ($parent -and -not (Test-Path -LiteralPath $parent)) {
+        Write-Error "Output directory does not exist: $parent"
+        exit 1
+    }
+
+    Set-Content -LiteralPath $OutputPath -Value $body -Encoding UTF8
+    Write-Host "PR body template written to: $OutputPath"
+    exit 0
+}
+
+Write-Output $body
+exit 0