ChatGPT-Next-Web/app/mcp/example.ts

93 lines
2.1 KiB
TypeScript

import { createClient, listPrimitives } from "@/app/mcp/client";
import { MCPClientLogger } from "@/app/mcp/logger";
import { z } from "zod";
import { MCP_CONF } from "@/app/mcp/mcp_config";
const logger = new MCPClientLogger("MCP FS Example", true);
const ListAllowedDirectoriesResultSchema = z.object({
content: z.array(
z.object({
type: z.string(),
text: z.string(),
}),
),
});
const ReadFileResultSchema = z.object({
content: z.array(
z.object({
type: z.string(),
text: z.string(),
}),
),
});
async function main() {
logger.info("Connecting to server...");
const client = await createClient(MCP_CONF.filesystem, "fs");
const primitives = await listPrimitives(client);
logger.success(`Connected to server fs`);
logger.info(
`server capabilities: ${Object.keys(
client.getServerCapabilities() ?? [],
).join(", ")}`,
);
logger.debug("Server supports the following primitives:");
primitives.forEach((primitive) => {
logger.debug("\n" + JSON.stringify(primitive, null, 2));
});
const listAllowedDirectories = async () => {
const result = await client.request(
{
method: "tools/call",
params: {
name: "list_allowed_directories",
arguments: {},
},
},
ListAllowedDirectoriesResultSchema,
);
logger.success(`Allowed directories: ${result.content[0].text}`);
return result;
};
const readFile = async (path: string) => {
const result = await client.request(
{
method: "tools/call",
params: {
name: "read_file",
arguments: {
path: path,
},
},
},
ReadFileResultSchema,
);
logger.success(`File contents for ${path}:\n${result.content[0].text}`);
return result;
};
try {
logger.info("Example 1: List allowed directories\n");
await listAllowedDirectories();
logger.info("\nExample 2: Read a file\n");
await readFile("/users/kadxy/desktop/test.txt");
} catch (error) {
logger.error(`Error executing examples: ${error}`);
}
}
main().catch((error) => {
logger.error(error);
process.exit(1);
});