fix: ensure disabling OPENCODE_DISABLE_CLAUDE_CODE_SKILLS doesnt disable external skills too (#25123)

2 files changed, 9 insertions, 4 deletions

diff --git a/packages/core/src/flag/flag.ts b/packages/core/src/flag/flag.ts
index 72c8931f5..a3b8133b6 100644
--- a/packages/core/src/flag/flag.ts
+++ b/packages/core/src/flag/flag.ts
@@ -47,7 +47,7 @@ export const Flag = {
   OPENCODE_DISABLE_CLAUDE_CODE,
   OPENCODE_DISABLE_CLAUDE_CODE_PROMPT: OPENCODE_DISABLE_CLAUDE_CODE || truthy("OPENCODE_DISABLE_CLAUDE_CODE_PROMPT"),
   OPENCODE_DISABLE_CLAUDE_CODE_SKILLS,
-  OPENCODE_DISABLE_EXTERNAL_SKILLS: OPENCODE_DISABLE_CLAUDE_CODE_SKILLS || truthy("OPENCODE_DISABLE_EXTERNAL_SKILLS"),
+  OPENCODE_DISABLE_EXTERNAL_SKILLS: truthy("OPENCODE_DISABLE_EXTERNAL_SKILLS"),
   OPENCODE_FAKE_VCS: process.env["OPENCODE_FAKE_VCS"],
   OPENCODE_SERVER_PASSWORD: process.env["OPENCODE_SERVER_PASSWORD"],
   OPENCODE_SERVER_USERNAME: process.env["OPENCODE_SERVER_USERNAME"],
diff --git a/packages/opencode/src/skill/index.ts b/packages/opencode/src/skill/index.ts
index 701ecaba8..9750742f9 100644
--- a/packages/opencode/src/skill/index.ts
+++ b/packages/opencode/src/skill/index.ts
@@ -20,7 +20,8 @@ import * as Log from "@opencode-ai/core/util/log"
 import { Discovery } from "./discovery"
 
 const log = Log.create({ service: "skill" })
-const EXTERNAL_DIRS = [".claude", ".agents"]
+const CLAUDE_EXTERNAL_DIR = ".claude"
+const AGENTS_EXTERNAL_DIR = ".agents"
 const EXTERNAL_SKILL_PATTERN = "skills/**/SKILL.md"
 const OPENCODE_SKILL_PATTERN = "{skill,skills}/**/SKILL.md"
 const SKILL_PATTERN = "**/SKILL.md"
@@ -152,15 +153,19 @@ const discoverSkills = Effect.fnUntraced(function* (
 ) {
   const state: ScanState = { matches: new Set(), dirs: new Set() }
 
+  const externalDirs: string[] = []
   if (!Flag.OPENCODE_DISABLE_EXTERNAL_SKILLS) {
-    for (const dir of EXTERNAL_DIRS) {
+    if (!Flag.OPENCODE_DISABLE_CLAUDE_CODE_SKILLS) externalDirs.push(CLAUDE_EXTERNAL_DIR)
+    externalDirs.push(AGENTS_EXTERNAL_DIR)
+
+    for (const dir of externalDirs) {
       const root = path.join(Global.Path.home, dir)
       if (!(yield* fsys.isDir(root))) continue
       yield* scan(state, root, EXTERNAL_SKILL_PATTERN, { dot: true, scope: "global" })
     }
 
     const upDirs = yield* fsys
-      .up({ targets: EXTERNAL_DIRS, start: directory, stop: worktree })
+      .up({ targets: externalDirs, start: directory, stop: worktree })
       .pipe(Effect.catch(() => Effect.succeed([] as string[])))
 
     for (const root of upDirs) {