diff --git a/src/agents/skills/compact-format.test.ts b/src/agents/skills/compact-format.test.ts
index ff1e1bd7d72..3fbfa486b8f 100644
--- a/src/agents/skills/compact-format.test.ts
+++ b/src/agents/skills/compact-format.test.ts
@@ -271,6 +271,20 @@ describe("applySkillsPromptLimits (via buildWorkspaceSkillsPrompt)", () => {
     expect(prompt).not.toContain(home);
   });
 
+  it("skills are sorted alphabetically regardless of entry insertion order", () => {
+    // Entries provided in reverse alphabetical order should still produce
+    // an alphabetically sorted prompt (fixes #64167).
+    const entries = ["zoo", "apple", "mango", "banana"].map((n) =>
+      makeEntry(makeSkill(n, `${n} skill`)),
+    );
+    const prompt = buildWorkspaceSkillsPrompt("/fake", {
+      entries,
+      config: { skills: { limits: { maxSkillsPromptChars: 50_000 } } } satisfies OpenClawConfig,
+    });
+    const nameMatches = [...prompt.matchAll(/<name>(\w+)<\/name>/g)].map((m) => m[1]);
+    expect(nameMatches).toEqual(["apple", "banana", "mango", "zoo"]);
+  });
+
   it("resolvedSkills in snapshot keeps canonical paths, not compacted", () => {
     const home = os.homedir();
     const skills = Array.from({ length: 5 }, (_, i) =>
diff --git a/src/agents/skills/workspace.ts b/src/agents/skills/workspace.ts
index 68d15f088fa..f82175ed88c 100644
--- a/src/agents/skills/workspace.ts
+++ b/src/agents/skills/workspace.ts
@@ -574,29 +574,31 @@ function loadSkillEntries(
     merged.set(skill.name, skill);
   }
 
-  const skillEntries: SkillEntry[] = Array.from(merged.values()).map((skill) => {
-    const frontmatter =
-      readSkillFrontmatterSafe({
-        rootDir: skill.baseDir,
-        filePath: skill.filePath,
-        maxBytes: limits.maxSkillFileBytes,
-      }) ?? ({} as ParsedSkillFrontmatter);
-    const invocation = resolveSkillInvocationPolicy(frontmatter);
-    return {
-      skill,
-      frontmatter,
-      metadata: resolveOpenClawMetadata(frontmatter),
-      invocation,
-      exposure: {
-        includeInRuntimeRegistry: true,
-        // Freshly loaded entries preserve the documented disable-model-invocation
-        // contract, while legacy entries without exposure metadata still use the
-        // fallback in isSkillVisibleInAvailableSkillsPrompt().
-        includeInAvailableSkillsPrompt: invocation.disableModelInvocation !== true,
-        userInvocable: invocation.userInvocable !== false,
-      },
-    };
-  });
+  const skillEntries: SkillEntry[] = Array.from(merged.values())
+    .sort((a, b) => a.name.localeCompare(b.name))
+    .map((skill) => {
+      const frontmatter =
+        readSkillFrontmatterSafe({
+          rootDir: skill.baseDir,
+          filePath: skill.filePath,
+          maxBytes: limits.maxSkillFileBytes,
+        }) ?? ({} as ParsedSkillFrontmatter);
+      const invocation = resolveSkillInvocationPolicy(frontmatter);
+      return {
+        skill,
+        frontmatter,
+        metadata: resolveOpenClawMetadata(frontmatter),
+        invocation,
+        exposure: {
+          includeInRuntimeRegistry: true,
+          // Freshly loaded entries preserve the documented disable-model-invocation
+          // contract, while legacy entries without exposure metadata still use the
+          // fallback in isSkillVisibleInAvailableSkillsPrompt().
+          includeInAvailableSkillsPrompt: invocation.disableModelInvocation !== true,
+          userInvocable: invocation.userInvocable !== false,
+        },
+      };
+    });
   return skillEntries;
 }
 
@@ -760,7 +762,9 @@ function resolveWorkspaceSkillPromptState(
   // Budget checks and final render both use this same representation so the
   // tier decision is based on the exact strings that end up in the prompt.
   // resolvedSkills keeps canonical paths for snapshot / runtime consumers.
-  const promptSkills = compactSkillPaths(resolvedSkills);
+  const promptSkills = compactSkillPaths(resolvedSkills)
+    .slice()
+    .sort((a, b) => a.name.localeCompare(b.name));
   const { skillsForPrompt, truncated, compact } = applySkillsPromptLimits({
     skills: promptSkills,
     config: opts?.config,