diff --git a/frontend/src/components/MainLayout.vue b/frontend/src/components/MainLayout.vue
index 950634b..accf1f0 100644
--- a/frontend/src/components/MainLayout.vue
+++ b/frontend/src/components/MainLayout.vue
@@ -43,6 +43,10 @@
             <el-icon><Connection /></el-icon>
             <span>数据源管理</span>
           </el-menu-item>
+          <el-menu-item index="tools" @click="router.push('/tools')">
+            <el-icon><Tools /></el-icon>
+            <span>工具市场</span>
+          </el-menu-item>
           <el-menu-item index="model-configs" @click="router.push('/model-configs')">
             <el-icon><Setting /></el-icon>
             <span>模型配置管理</span>
@@ -90,7 +94,7 @@
 import { computed } from 'vue'
 import { useRouter, useRoute } from 'vue-router'
 import { useUserStore } from '@/stores/user'
-import { Document, User, List, Connection, Setting, Star, Lock, Monitor, Bell, Grid, DataAnalysis } from '@element-plus/icons-vue'
+import { Document, User, List, Connection, Setting, Star, Lock, Monitor, Bell, Grid, DataAnalysis, Tools } from '@element-plus/icons-vue'
 
 const router = useRouter()
 const route = useRoute()
@@ -104,6 +108,7 @@ const activeMenu = computed(() => {
   if (route.path === '/agents' || route.path.startsWith('/agents/')) return 'agents'
   if (route.path === '/executions' || route.path.startsWith('/executions/')) return 'executions'
   if (route.path === '/data-sources') return 'data-sources'
+  if (route.path === '/tools') return 'tools'
   if (route.path === '/model-configs') return 'model-configs'
   if (route.path === '/node-templates') return 'node-templates'
   if (route.path === '/permissions') return 'permissions'
@@ -127,6 +132,8 @@ const handleMenuSelect = (key: string) => {
     router.push('/executions')
   } else if (key === 'data-sources') {
     router.push('/data-sources')
+  } else if (key === 'tools') {
+    router.push('/tools')
   } else if (key === 'model-configs') {
     router.push('/model-configs')
   } else if (key === 'node-templates') {
diff --git a/frontend/src/router/index.ts b/frontend/src/router/index.ts
index 2cb5174..7970243 100644
--- a/frontend/src/router/index.ts
+++ b/frontend/src/router/index.ts
@@ -112,6 +112,12 @@ const router = createRouter({
       component: () => import('@/views/NodeTemplates.vue'),
       meta: { requiresAuth: true }
     },
+    {
+      path: '/tools',
+      name: 'tools',
+      component: () => import('@/views/Tools.vue'),
+      meta: { requiresAuth: true }
+    },
     {
       path: '/agent-chat',
       name: 'agent-chat',
diff --git a/frontend/src/views/Tools.vue b/frontend/src/views/Tools.vue
new file mode 100644
index 0000000..4b1fc6b
--- /dev/null
+++ b/frontend/src/views/Tools.vue
@@ -0,0 +1,604 @@
+<template>
+  <MainLayout>
+    <div class="tools-page">
+      <!-- 工具栏 -->
+      <div class="toolbar">
+        <div class="toolbar-left">
+          <el-input
+            v-model="searchQuery"
+            placeholder="搜索工具名称或描述..."
+            clearable
+            style="width: 280px"
+            @input="handleSearch"
+          >
+            <template #prefix>
+              <el-icon><Search /></el-icon>
+            </template>
+          </el-input>
+          <el-select v-model="categoryFilter" placeholder="全部分类" clearable style="width: 160px" @change="fetchTools">
+            <el-option
+              v-for="cat in categories"
+              :key="cat"
+              :label="cat"
+              :value="cat"
+            />
+          </el-select>
+          <el-radio-group v-model="scopeFilter" @change="fetchTools">
+            <el-radio-button value="public">公开工具</el-radio-button>
+            <el-radio-button value="mine">我的工具</el-radio-button>
+            <el-radio-button value="all">全部</el-radio-button>
+          </el-radio-group>
+        </div>
+        <div class="toolbar-right">
+          <el-button type="primary" @click="showCreateDialog">
+            <el-icon><Plus /></el-icon>
+            新建工具
+          </el-button>
+        </div>
+      </div>
+
+      <!-- 工具列表 -->
+      <el-table :data="tools" v-loading="loading" stripe style="width: 100%">
+        <el-table-column prop="name" label="名称" min-width="140">
+          <template #default="{ row }">
+            <div class="tool-name">
+              <span class="name-text">{{ row.name }}</span>
+              <el-tag v-if="row.implementation_type === 'builtin'" size="small" type="info">内置</el-tag>
+              <el-tag v-else-if="row.implementation_type === 'code'" size="small" type="warning">代码</el-tag>
+              <el-tag v-else-if="row.implementation_type === 'http'" size="small" type="success">HTTP</el-tag>
+            </div>
+          </template>
+        </el-table-column>
+        <el-table-column prop="description" label="描述" min-width="200" show-overflow-tooltip />
+        <el-table-column prop="category" label="分类" width="120">
+          <template #default="{ row }">
+            <el-tag v-if="row.category" size="small" effect="plain">{{ row.category }}</el-tag>
+          </template>
+        </el-table-column>
+        <el-table-column prop="use_count" label="使用次数" width="100" align="center" />
+        <el-table-column label="操作" width="240" fixed="right">
+          <template #default="{ row }">
+            <el-button size="small" @click="showTestDialog(row)">测试</el-button>
+            <el-button
+              v-if="row.implementation_type !== 'builtin'"
+              size="small"
+              @click="showEditDialog(row)"
+            >编辑</el-button>
+            <el-popconfirm
+              v-if="row.implementation_type !== 'builtin'"
+              title="确定删除此工具？"
+              @confirm="handleDelete(row)"
+            >
+              <template #reference>
+                <el-button size="small" type="danger">删除</el-button>
+              </template>
+            </el-popconfirm>
+          </template>
+        </el-table-column>
+      </el-table>
+
+      <!-- 空状态 -->
+      <el-empty v-if="!loading && tools.length === 0" description="暂无工具">
+        <el-button type="primary" @click="showCreateDialog">创建第一个工具</el-button>
+      </el-empty>
+
+      <!-- 创建/编辑对话框 -->
+      <el-dialog
+        v-model="formDialogVisible"
+        :title="isEditing ? '编辑工具' : '新建工具'"
+        width="700px"
+        :close-on-click-modal="false"
+      >
+        <el-form :model="form" label-position="top" :rules="formRules" ref="formRef">
+          <el-row :gutter="20">
+            <el-col :span="12">
+              <el-form-item label="工具名称" prop="name">
+                <el-input v-model="form.name" placeholder="唯一名称，如 translate_text" />
+              </el-form-item>
+            </el-col>
+            <el-col :span="12">
+              <el-form-item label="分类" prop="category">
+                <el-select v-model="form.category" placeholder="选择分类" clearable filterable allow-create style="width:100%">
+                  <el-option v-for="cat in categories" :key="cat" :label="cat" :value="cat" />
+                </el-select>
+              </el-form-item>
+            </el-col>
+          </el-row>
+          <el-form-item label="描述" prop="description">
+            <el-input v-model="form.description" type="textarea" :rows="2" placeholder="工具功能描述" />
+          </el-form-item>
+          <el-row :gutter="20">
+            <el-col :span="12">
+              <el-form-item label="实现类型" prop="implementation_type">
+                <el-select v-model="form.implementation_type" placeholder="选择类型" @change="onTypeChange">
+                  <el-option label="代码 (Python)" value="code" />
+                  <el-option label="HTTP 请求" value="http" />
+                </el-select>
+              </el-form-item>
+            </el-col>
+            <el-col :span="12">
+              <el-form-item label="是否公开">
+                <el-switch v-model="form.is_public" />
+              </el-form-item>
+            </el-col>
+          </el-row>
+
+          <!-- 代码类型配置 -->
+          <template v-if="form.implementation_type === 'code'">
+            <el-form-item label="Python 代码" prop="implementation_config.source">
+              <el-input
+                v-model="form.implementation_config.source"
+                type="textarea"
+                :rows="10"
+                placeholder="def run(args):&#10;    '''&#10;    args: dict, 包含 function_schema.parameters 中定义的参数&#10;    returns: Any (将被 JSON 序列化)&#10;    '''&#10;    x = args.get('x', 0)&#10;    y = args.get('y', 0)&#10;    return x + y"
+                font-family="monospace"
+              />
+            </el-form-item>
+          </template>
+
+          <!-- HTTP 类型配置 -->
+          <template v-if="form.implementation_type === 'http'">
+            <el-form-item label="请求 URL" prop="implementation_config.url">
+              <el-input v-model="form.implementation_config.url" placeholder="https://api.example.com/endpoint" />
+            </el-form-item>
+            <el-row :gutter="20">
+              <el-col :span="8">
+                <el-form-item label="请求方法" prop="implementation_config.method">
+                  <el-select v-model="form.implementation_config.method" style="width:100%">
+                    <el-option label="GET" value="GET" />
+                    <el-option label="POST" value="POST" />
+                    <el-option label="PUT" value="PUT" />
+                    <el-option label="DELETE" value="DELETE" />
+                  </el-select>
+                </el-form-item>
+              </el-col>
+              <el-col :span="8">
+                <el-form-item label="超时(秒)">
+                  <el-input-number v-model="form.implementation_config.timeout" :min="1" :max="120" style="width:100%" />
+                </el-form-item>
+              </el-col>
+            </el-row>
+            <el-form-item label="请求头 (JSON)">
+              <el-input
+                v-model="formHeadersStr"
+                type="textarea"
+                :rows="3"
+                placeholder='{"Authorization": "Bearer xxx", "Content-Type": "application/json"}'
+              />
+            </el-form-item>
+          </template>
+
+          <!-- Parameters Schema -->
+          <el-divider>参数定义 (function_schema.parameters)</el-divider>
+          <el-form-item label="参数 JSON Schema">
+            <el-input
+              v-model="formSchemaStr"
+              type="textarea"
+              :rows="6"
+              placeholder='{"type": "object", "properties": {"x": {"type": "integer", "description": "第一个数"}, "y": {"type": "integer", "description": "第二个数"}}, "required": ["x", "y"]}'
+            />
+          </el-form-item>
+        </el-form>
+        <template #footer>
+          <el-button @click="formDialogVisible = false">取消</el-button>
+          <el-button type="primary" @click="handleSaveForm" :loading="saving">保存</el-button>
+        </template>
+      </el-dialog>
+
+      <!-- 测试对话框 -->
+      <el-dialog
+        v-model="testDialogVisible"
+        :title="'测试工具: ' + (testingTool?.name || '')"
+        width="650px"
+      >
+        <template v-if="testingTool">
+          <!-- 代码工具测试 -->
+          <template v-if="testingTool.implementation_type === 'code'">
+            <el-form label-position="top">
+              <el-form-item label="测试参数 (JSON)">
+                <el-input
+                  v-model="testArgsStr"
+                  type="textarea"
+                  :rows="6"
+                  placeholder='{"x": 1, "y": 2}'
+                />
+              </el-form-item>
+            </el-form>
+          </template>
+          <!-- HTTP 工具测试 -->
+          <template v-else-if="testingTool.implementation_type === 'http'">
+            <el-form label-position="top">
+              <el-row :gutter="20">
+                <el-col :span="16">
+                  <el-form-item label="URL">
+                    <el-input v-model="testHttpUrl" :placeholder="testingTool.implementation_config?.url || ''" />
+                  </el-form-item>
+                </el-col>
+                <el-col :span="8">
+                  <el-form-item label="方法">
+                    <el-select v-model="testHttpMethod" style="width:100%">
+                      <el-option label="GET" value="GET" />
+                      <el-option label="POST" value="POST" />
+                      <el-option label="PUT" value="PUT" />
+                      <el-option label="DELETE" value="DELETE" />
+                    </el-select>
+                  </el-form-item>
+                </el-col>
+              </el-row>
+              <el-form-item label="请求头 (JSON)">
+                <el-input v-model="testHttpHeadersStr" type="textarea" :rows="3" placeholder='{"Content-Type": "application/json"}' />
+              </el-form-item>
+              <el-form-item label="请求体 (JSON)">
+                <el-input v-model="testHttpBodyStr" type="textarea" :rows="4" placeholder='{"key": "value"}' />
+              </el-form-item>
+              <el-form-item label="参数 (将被替换到 URL) (JSON)">
+                <el-input v-model="testArgsStr" type="textarea" :rows="3" placeholder='{"query": "hello"}' />
+              </el-form-item>
+            </el-form>
+          </template>
+          <!-- 通用参数 -->
+          <el-form label-position="top">
+            <el-form-item label="参数 (function_schema args)">
+              <el-input
+                v-model="testArgsStr"
+                type="textarea"
+                :rows="4"
+                placeholder='{"arg1": "value1"}'
+              />
+            </el-form-item>
+          </el-form>
+
+          <!-- 测试结果 -->
+          <div v-if="testResult" class="test-result">
+            <el-divider>测试结果</el-divider>
+            <el-tag :type="testResult.success ? 'success' : 'danger'" effect="dark" style="margin-bottom: 10px">
+              {{ testResult.success ? '成功' : '失败' }}
+              <span v-if="testResult.elapsed_ms !== undefined"> ({{ testResult.elapsed_ms }}ms)</span>
+            </el-tag>
+            <el-input
+              v-model="testResultOutput"
+              type="textarea"
+              :rows="6"
+              readonly
+            />
+          </div>
+        </template>
+        <template #footer>
+          <el-button @click="testDialogVisible = false">关闭</el-button>
+          <el-button type="primary" @click="handleTest" :loading="testing">测试运行</el-button>
+        </template>
+      </el-dialog>
+    </div>
+  </MainLayout>
+</template>
+
+<script setup lang="ts">
+import { ref, onMounted, computed, watch } from 'vue'
+import { ElMessage } from 'element-plus'
+import { Search, Plus } from '@element-plus/icons-vue'
+import api from '@/api'
+
+interface Tool {
+  id: string
+  name: string
+  description: string
+  category?: string
+  function_schema: Record<string, any>
+  implementation_type: string
+  implementation_config?: Record<string, any>
+  is_public: boolean
+  use_count: number
+  user_id?: string
+  created_at: string
+  updated_at: string
+}
+
+const loading = ref(false)
+const saving = ref(false)
+const testing = ref(false)
+const tools = ref<Tool[]>([])
+const categories = ref<string[]>([])
+const searchQuery = ref('')
+const categoryFilter = ref('')
+const scopeFilter = ref('public')
+
+// 表单
+const formDialogVisible = ref(false)
+const isEditing = ref(false)
+const editingId = ref('')
+const formRef = ref<any>(null)
+const form = ref({
+  name: '',
+  description: '',
+  category: '',
+  implementation_type: 'code',
+  implementation_config: { source: '', url: '', method: 'GET', timeout: 30, headers: {} },
+  is_public: false,
+})
+const formHeadersStr = ref('{}')
+const formSchemaStr = ref('{"type": "object", "properties": {}, "required": []}')
+
+// 测试
+const testDialogVisible = ref(false)
+const testingTool = ref<Tool | null>(null)
+const testArgsStr = ref('{}')
+const testHttpUrl = ref('')
+const testHttpMethod = ref('GET')
+const testHttpHeadersStr = ref('{}')
+const testHttpBodyStr = ref('')
+const testResult = ref<any>(null)
+
+const formRules = {
+  name: [{ required: true, message: '请输入工具名称', trigger: 'blur' }],
+  description: [{ required: true, message: '请输入工具描述', trigger: 'blur' }],
+  implementation_type: [{ required: true, message: '请选择实现类型', trigger: 'change' }],
+}
+
+const testResultOutput = computed(() => {
+  if (!testResult.value) return ''
+  const parts: string[] = []
+  if (testResult.value.error) parts.push(`错误: ${testResult.value.error}`)
+  if (testResult.value.status_code) parts.push(`状态码: ${testResult.value.status_code}`)
+  if (testResult.value.result !== undefined && testResult.value.result !== null) {
+    parts.push(`结果: ${JSON.stringify(testResult.value.result, null, 2)}`)
+  }
+  if (testResult.value.body) parts.push(`响应体: ${testResult.value.body}`)
+  return parts.join('\n')
+})
+
+// 切换类型时重置配置
+function onTypeChange() {
+  if (form.value.implementation_type === 'code') {
+    form.value.implementation_config = { source: '' }
+  } else if (form.value.implementation_type === 'http') {
+    form.value.implementation_config = { url: '', method: 'GET', timeout: 30 }
+    formHeadersStr.value = '{}'
+  }
+}
+
+// 获取工具列表
+async function fetchTools() {
+  loading.value = true
+  try {
+    const params: Record<string, any> = { scope: scopeFilter.value }
+    if (categoryFilter.value) params.category = categoryFilter.value
+    if (searchQuery.value) params.search = searchQuery.value
+    const res = await api.get('/api/v1/tools', { params })
+    tools.value = res.data || []
+  } catch (e: any) {
+    console.error('获取工具列表失败', e)
+  } finally {
+    loading.value = false
+  }
+}
+
+// 获取分类列表
+async function fetchCategories() {
+  try {
+    const res = await api.get('/api/v1/tools/categories')
+    categories.value = res.data || []
+  } catch (e) {
+    console.error('获取分类列表失败', e)
+  }
+}
+
+// 搜索防抖
+let searchTimer: ReturnType<typeof setTimeout> | null = null
+function handleSearch() {
+  if (searchTimer) clearTimeout(searchTimer)
+  searchTimer = setTimeout(fetchTools, 300)
+}
+
+// 显示创建对话框
+function showCreateDialog() {
+  isEditing.value = false
+  editingId.value = ''
+  form.value = {
+    name: '',
+    description: '',
+    category: '',
+    implementation_type: 'code',
+    implementation_config: { source: '' },
+    is_public: false,
+  }
+  formHeadersStr.value = '{}'
+  formSchemaStr.value = '{"type": "object", "properties": {}, "required": []}'
+  formDialogVisible.value = true
+}
+
+// 显示编辑对话框
+function showEditDialog(row: Tool) {
+  isEditing.value = true
+  editingId.value = row.id
+  form.value = {
+    name: row.name,
+    description: row.description,
+    category: row.category || '',
+    implementation_type: row.implementation_type,
+    implementation_config: row.implementation_config ? { ...row.implementation_config } : {},
+    is_public: row.is_public,
+  }
+  formSchemaStr.value = JSON.stringify(row.function_schema?.parameters || { type: 'object', properties: {} }, null, 2)
+  formHeadersStr.value = JSON.stringify(row.implementation_config?.headers || {}, null, 2)
+  formDialogVisible.value = true
+}
+
+// 保存表单
+async function handleSaveForm() {
+  const valid = await formRef.value?.validate().catch(() => false)
+  if (!valid) return
+
+  let headers: Record<string, any> = {}
+  try {
+    headers = JSON.parse(formHeadersStr.value || '{}')
+  } catch {
+    ElMessage.warning('请求头 JSON 格式不正确')
+    return
+  }
+
+  let params: Record<string, any> = { type: 'object', properties: {} }
+  try {
+    params = JSON.parse(formSchemaStr.value || '{}')
+  } catch {
+    ElMessage.warning('参数 Schema JSON 格式不正确')
+    return
+  }
+
+  const config = { ...form.value.implementation_config }
+  if (form.value.implementation_type === 'http') {
+    config.headers = headers
+  }
+
+  const payload = {
+    name: form.value.name,
+    description: form.value.description,
+    category: form.value.category || null,
+    implementation_type: form.value.implementation_type,
+    implementation_config: config,
+    is_public: form.value.is_public,
+    function_schema: {
+      name: form.value.name,
+      description: form.value.description,
+      parameters: params,
+    },
+  }
+
+  saving.value = true
+  try {
+    if (isEditing.value) {
+      await api.put(`/api/v1/tools/${editingId.value}`, payload)
+      ElMessage.success('工具已更新')
+    } else {
+      await api.post('/api/v1/tools', payload)
+      ElMessage.success('工具已创建')
+    }
+    formDialogVisible.value = false
+    fetchTools()
+    fetchCategories()
+  } catch (e: any) {
+    console.error('保存工具失败', e)
+  } finally {
+    saving.value = false
+  }
+}
+
+// 删除工具
+async function handleDelete(row: Tool) {
+  try {
+    await api.delete(`/api/v1/tools/${row.id}`)
+    ElMessage.success('工具已删除')
+    fetchTools()
+  } catch (e) {
+    console.error('删除工具失败', e)
+  }
+}
+
+// 显示测试对话框
+function showTestDialog(row: Tool) {
+  testingTool.value = row
+  testArgsStr.value = '{}'
+  testResult.value = null
+  testHttpUrl.value = row.implementation_config?.url || ''
+  testHttpMethod.value = row.implementation_config?.method || 'GET'
+  testHttpHeadersStr.value = JSON.stringify(row.implementation_config?.headers || {}, null, 2)
+  testHttpBodyStr.value = ''
+  testDialogVisible.value = true
+}
+
+// 执行测试
+async function handleTest() {
+  if (!testingTool.value) return
+
+  let args: Record<string, any> = {}
+  try {
+    args = JSON.parse(testArgsStr.value || '{}')
+  } catch {
+    ElMessage.warning('参数 JSON 格式不正确')
+    return
+  }
+
+  testing.value = true
+  testResult.value = null
+  try {
+    if (testingTool.value.implementation_type === 'code') {
+      const config = testingTool.value.implementation_config
+      const source = config?.source || ''
+      const res = await api.post('/api/v1/tools/test/code', { source, args })
+      testResult.value = res.data
+    } else if (testingTool.value.implementation_type === 'http') {
+      let headers: Record<string, any> = {}
+      try {
+        headers = JSON.parse(testHttpHeadersStr.value || '{}')
+      } catch { /* ignore */ }
+      let body: Record<string, any> | undefined
+      try {
+        body = testHttpBodyStr.value ? JSON.parse(testHttpBodyStr.value) : undefined
+      } catch { /* ignore */ }
+      const res = await api.post('/api/v1/tools/test/http', {
+        url: testHttpUrl.value,
+        method: testHttpMethod.value,
+        headers,
+        body,
+        args,
+        timeout: 30,
+      })
+      testResult.value = res.data
+    }
+  } catch (e: any) {
+    testResult.value = { success: false, error: e.message || '测试执行失败' }
+  } finally {
+    testing.value = false
+  }
+}
+
+watch(scopeFilter, fetchTools)
+watch(categoryFilter, fetchTools)
+
+onMounted(() => {
+  fetchTools()
+  fetchCategories()
+})
+</script>
+
+<style scoped>
+.tools-page {
+  height: 100%;
+  display: flex;
+  flex-direction: column;
+}
+
+.toolbar {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  margin-bottom: 20px;
+  flex-wrap: wrap;
+  gap: 12px;
+}
+
+.toolbar-left {
+  display: flex;
+  align-items: center;
+  gap: 12px;
+  flex-wrap: wrap;
+}
+
+.toolbar-right {
+  display: flex;
+  gap: 8px;
+}
+
+.tool-name {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+}
+
+.name-text {
+  font-weight: 500;
+}
+
+.test-result {
+  margin-top: 10px;
+}
+</style>