sign-message
Sign messages securely using your MetaMask wallet. This tool ensures private keys remain protected while enabling blockchain transactions and operations.
Instructions
Sign a message.
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| message | Yes | Message to sign. |
Implementation Reference
- src/tools/sign-message.ts:14-35 (handler)The execute handler function that implements the core logic of signing a message using wagmi's signMessage function and returning the resulting hash.execute: async (args, { log }) => { try { const message = args.message; const result = await signMessage(wagmiConfig, { message, }); return { content: [ { type: "text", text: JSONStringify({ hash: result, }), }, ], }; } catch (error) { log.debug((error as Error).message); throw error; } },
- src/tools/sign-message.ts:11-13 (schema)Zod schema defining the input parameters for the sign-message tool.parameters: z.object({ message: z.string().describe("Message to sign."), }),
- src/tools/sign-message.ts:7-37 (registration)The registration function that adds the sign-message tool to the FastMCP server, defining name, description, schema, and handler.export function registerSignMessageTools(server: FastMCP, wagmiConfig: Config): void { server.addTool({ name: "sign-message", description: "Sign a message.", parameters: z.object({ message: z.string().describe("Message to sign."), }), execute: async (args, { log }) => { try { const message = args.message; const result = await signMessage(wagmiConfig, { message, }); return { content: [ { type: "text", text: JSONStringify({ hash: result, }), }, ], }; } catch (error) { log.debug((error as Error).message); throw error; } }, }); };
- src/tools/register-tools.ts:53-53 (registration)Call to register the sign-message tool as part of the overall tools registration.registerSignMessageTools(server, wagmiConfig);
- src/index.ts:15-15 (registration)Top-level call to register all tools, including sign-message, in the main server initialization.registerTools(server, wagmiConfig);