diff --git a/dsh/install.sh b/dsh/install.sh
index 53f1b7a..cf97ab3 100755
--- a/dsh/install.sh
+++ b/dsh/install.sh
@@ -120,6 +120,16 @@ check() {
   else
     echo "WARN: subagent maxDepth is not 2 in any profile patch; SDD mode 2 is unavailable" >&2
   fi
+  if command -v openspec >/dev/null 2>&1; then
+    echo "ok: openspec $(openspec --version 2>/dev/null | head -1)"
+  else
+    echo "WARN: openspec not found; OpenSpec workflows are unavailable" >&2
+  fi
+  if [ -f "$ROOT/.agents/skills/openspec-propose/SKILL.md" ]; then
+    echo "ok: openspec agents skills ($ROOT/.agents/skills)"
+  else
+    echo "WARN: .agents/skills missing; run --openspec in the project" >&2
+  fi
   if [ -f "$DSH_HOME/skills/using-superpowers/SKILL.md" ]; then
     echo "ok: dsh skills ($DSH_HOME/skills)"
   elif superpowers_skills >/dev/null 2>&1; then
diff --git a/dsh/tests/openspec.test.mjs b/dsh/tests/openspec.test.mjs
index 3e7ca88..1399f34 100644
--- a/dsh/tests/openspec.test.mjs
+++ b/dsh/tests/openspec.test.mjs
@@ -1,10 +1,13 @@
 import assert from 'node:assert/strict'
-import { existsSync, readFileSync } from 'node:fs'
+import { spawnSync } from 'node:child_process'
+import { chmodSync, existsSync, readFileSync } from 'node:fs'
 import { dirname, join } from 'node:path'
 import test from 'node:test'
 import { fileURLToPath } from 'node:url'
+import { cleanup, tempDir, write } from './helpers.mjs'
 
 const here = dirname(fileURLToPath(import.meta.url))
+const script = join(here, '..', 'install.sh')
 const root = join(here, '..', '..')
 const agentsSkills = join(root, '.agents', 'skills')
 const NAMES = [
@@ -26,3 +29,32 @@ test('repository ships six agents skills for DSH', () => {
     assert.match(text, /description: .*openspec/i, `${name}: description must mention openspec`)
   }
 })
+
+test('install.sh --check reports the openspec CLI and the agents skills', () => {
+  const home = tempDir()
+  try {
+    const bin = join(home, 'bin')
+    write(join(bin, 'openspec'), '#!/bin/sh\n[ "$1" = "--version" ] && echo 1.13.1\nexit 0\n')
+    chmodSync(join(bin, 'openspec'), 0o755)
+    const env = { ...process.env, HOME: home, DSH_HOME: join(home, '.dsh'), PATH: `${bin}:${process.env.PATH}` }
+    const run = spawnSync('bash', [script, '--check'], { env, encoding: 'utf8' })
+    assert.equal(run.status, 0, run.stderr)
+    assert.match(run.stdout, /ok: openspec 1\.13\.1/)
+    assert.match(run.stdout, /ok: openspec agents skills \(/)
+  } finally {
+    cleanup(home)
+  }
+})
+
+test('install.sh --check warns but does not fail without the openspec CLI', () => {
+  const home = tempDir()
+  try {
+    const bin = join(home, 'bin')
+    const env = { ...process.env, HOME: home, DSH_HOME: join(home, '.dsh'), PATH: bin }
+    const run = spawnSync('bash', [script, '--check'], { env, encoding: 'utf8' })
+    assert.match(run.stdout + run.stderr, /WARN: openspec not found/)
+    assert.equal(run.status, 0)
+  } finally {
+    cleanup(home)
+  }
+})