diff --git a/src/components/agents/agentFileUtils.ts b/src/components/agents/agentFileUtils.ts
index 87e4e4b0..ba31d069 100644
--- a/src/components/agents/agentFileUtils.ts
+++ b/src/components/agents/agentFileUtils.ts
@@ -4,6 +4,7 @@ import type { SettingSource } from 'src/utils/settings/constants.js'
 import { getManagedFilePath } from 'src/utils/settings/managedPath.js'
 import type { AgentMemoryScope } from '../../tools/AgentTool/agentMemory.js'
 import {
+  clearAgentDefinitionsCache,
   type AgentDefinition,
   isBuiltInAgent,
   isPluginAgent,
@@ -200,6 +201,7 @@ export async function saveAgentToFile(
     }
     throw e
   }
+  clearAgentDefinitionsCache()
 }
 
 /**
@@ -233,6 +235,7 @@ export async function updateAgentFile(
   )
 
   await writeFileAndFlush(filePath, content)
+  clearAgentDefinitionsCache()
 }
 
 /**
@@ -255,6 +258,7 @@ export async function deleteAgentFromFile(
       throw e
     }
   }
+  clearAgentDefinitionsCache()
 }
 
 async function writeFileAndFlush(
diff --git a/src/server/__tests__/cron-scheduler-launcher.test.ts b/src/server/__tests__/cron-scheduler-launcher.test.ts
index 8e9eee04..87e09842 100644
--- a/src/server/__tests__/cron-scheduler-launcher.test.ts
+++ b/src/server/__tests__/cron-scheduler-launcher.test.ts
@@ -244,6 +244,7 @@ describe('cron scheduler launcher resolution', () => {
     process.env.CLAUDE_APP_ROOT = appRoot
     process.env.ANTHROPIC_BASE_URL = 'https://stale-parent.example'
     process.env.ANTHROPIC_MODEL = 'stale-parent-model'
+    process.env.CLAUDE_CODE_ENTRYPOINT = 'stale-parent-entrypoint'
 
     const provider = await new ProviderService().addProvider({
       presetId: 'custom',
diff --git a/src/server/services/cronScheduler.ts b/src/server/services/cronScheduler.ts
index e7d9bf0f..a231c397 100644
--- a/src/server/services/cronScheduler.ts
+++ b/src/server/services/cronScheduler.ts
@@ -662,6 +662,7 @@ export class CronScheduler {
     return {
       ...cleanEnv,
       CLAUDE_CODE_ENABLE_TASKS: '1',
+      CLAUDE_CODE_ENTRYPOINT: 'sdk-cli',
       CALLER_DIR: workDir,
       PWD: workDir,
       CC_HAHA_SKIP_DOTENV: '1',
diff --git a/src/tools/AgentTool/loadAgentsDir.cache.test.ts b/src/tools/AgentTool/loadAgentsDir.cache.test.ts
new file mode 100644
index 00000000..989dcc5c
--- /dev/null
+++ b/src/tools/AgentTool/loadAgentsDir.cache.test.ts
@@ -0,0 +1,98 @@
+import { afterEach, beforeEach, describe, expect, test } from 'bun:test'
+import * as fs from 'node:fs/promises'
+import * as os from 'node:os'
+import * as path from 'node:path'
+import { getCwdState, setCwdState } from '../../bootstrap/state.js'
+import { agentsHandler } from '../../cli/handlers/agents.js'
+import { saveAgentToFile } from '../../components/agents/agentFileUtils.js'
+import {
+  clearAgentDefinitionsCache,
+  getAgentDefinitionsWithOverrides,
+} from './loadAgentsDir.js'
+
+let tmpHome: string
+let originalHome: string | undefined
+let originalUserProfile: string | undefined
+let originalClaudeConfigDir: string | undefined
+let originalCwdState: string
+
+describe('agent definition cache invalidation', () => {
+  beforeEach(async () => {
+    tmpHome = await fs.mkdtemp(path.join(os.tmpdir(), 'agent-def-cache-'))
+    originalHome = process.env.HOME
+    originalUserProfile = process.env.USERPROFILE
+    originalClaudeConfigDir = process.env.CLAUDE_CONFIG_DIR
+    originalCwdState = getCwdState()
+
+    process.env.HOME = tmpHome
+    process.env.USERPROFILE = tmpHome
+    process.env.CLAUDE_CONFIG_DIR = path.join(tmpHome, '.claude')
+    clearAgentDefinitionsCache()
+  })
+
+  afterEach(async () => {
+    if (originalHome === undefined) {
+      delete process.env.HOME
+    } else {
+      process.env.HOME = originalHome
+    }
+
+    if (originalUserProfile === undefined) {
+      delete process.env.USERPROFILE
+    } else {
+      process.env.USERPROFILE = originalUserProfile
+    }
+
+    if (originalClaudeConfigDir === undefined) {
+      delete process.env.CLAUDE_CONFIG_DIR
+    } else {
+      process.env.CLAUDE_CONFIG_DIR = originalClaudeConfigDir
+    }
+
+    setCwdState(originalCwdState)
+    clearAgentDefinitionsCache()
+    await fs.rm(tmpHome, { recursive: true, force: true })
+  })
+
+  test('shows a newly-created project agent in the /agents output after an initial cached read', async () => {
+    const projectRoot = path.join(tmpHome, 'project')
+    await fs.mkdir(projectRoot, { recursive: true })
+    setCwdState(projectRoot)
+
+    const agentType = 'cache-created-agent'
+    const before = await getAgentDefinitionsWithOverrides(projectRoot)
+
+    expect(before.allAgents.some(agent => agent.agentType === agentType)).toBe(false)
+
+    await saveAgentToFile(
+      'projectSettings',
+      agentType,
+      'Use this agent to verify cache invalidation.',
+      undefined,
+      'You verify cache invalidation.',
+      true,
+    )
+
+    const after = await getAgentDefinitionsWithOverrides(projectRoot)
+
+    expect(after.allAgents).toContainEqual(
+      expect.objectContaining({
+        agentType,
+        source: 'projectSettings',
+      }),
+    )
+
+    const logs: string[] = []
+    const originalLog = console.log
+    console.log = (...args: unknown[]) => {
+      logs.push(args.map(String).join(' '))
+    }
+    try {
+      await agentsHandler()
+    } finally {
+      console.log = originalLog
+    }
+
+    expect(logs.join('\n')).toContain(agentType)
+  })
+})
diff --git a/src/tools/AgentTool/loadAgentsDir.ts b/src/tools/AgentTool/loadAgentsDir.ts
index cb4dc35e..edff88b7 100644
--- a/src/tools/AgentTool/loadAgentsDir.ts
+++ b/src/tools/AgentTool/loadAgentsDir.ts
@@ -394,6 +394,7 @@ export const getAgentDefinitionsWithOverrides = memoize(
 
 export function clearAgentDefinitionsCache(): void {
   getAgentDefinitionsWithOverrides.cache.clear?.()
+  loadMarkdownFilesForSubdir.cache.clear?.()
   clearPluginAgentCache()
 }