base64_decode
Decode base64-encoded text to its original readable format. Use this tool to convert encoded strings back to plain text for processing or analysis.
Instructions
decode base64 to text
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| content | Yes | base64 text to decode |
Implementation Reference
- src/service/base64.ts:56-66 (handler)The handler function that executes the base64_decode tool logic by calling Base64Util.decode on the input and returning the result as text content.
async ({ content }) => { const result = Base64Util.decode(content); return { content: [ { type: "text", text: result, }, ], }; } - src/service/base64.ts:53-55 (schema)Input schema definition for the base64_decode tool using Zod.
{ content: z.string().describe("base64 text to decode"), }, - src/service/base64.ts:50-67 (registration)Registration of the base64_decode tool on the MCP server, including name, description, schema, and handler.
server.tool( "base64_decode", "decode base64 to text", { content: z.string().describe("base64 text to decode"), }, async ({ content }) => { const result = Base64Util.decode(content); return { content: [ { type: "text", text: result, }, ], }; } ); - src/service/base64.ts:19-21 (helper)Helper utility function in Base64Util class that performs the core base64 decoding using Node.js Buffer.
static decode(input: string): string { return Buffer.from(input, 'base64').toString('utf-8'); } - src/index.ts:18-18 (registration)Invocation of the registerBase64Tool function to register base64 tools, including base64_decode, on the main MCP server.
registerBase64Tool(server);