redis_exists
Check if a specified key exists in the Redis database. Returns true if the key is present, false otherwise. Use to verify data availability before performing conditional operations.
Instructions
检查键是否存在。
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| key | Yes |
Implementation Reference
- src/index.ts:170-170 (registration)Tool registration for redis_exists in the ListToolsRequestSchema handler. Defines the tool name, description, and input schema (requires a string 'key').
{ name: "redis_exists", description: "检查键是否存在。", inputSchema: { type: "object", properties: { key: { type: "string" } }, required: ["key"] } }, - src/index.ts:170-170 (schema)Input schema for redis_exists: expects a single 'key' parameter of type string.
{ name: "redis_exists", description: "检查键是否存在。", inputSchema: { type: "object", properties: { key: { type: "string" } }, required: ["key"] } }, - src/index.ts:190-190 (handler)Handler function for redis_exists. Calls client.exists(args.key) and returns a string indicating whether the key exists.
redis_exists: async () => { const r = await client.exists(args.key); return `EXISTS 成功。键 ${args.key} ${r > 0 ? '存在' : '不存在'}`; },