The Graph Token API MCP

import "dotenv/config"; import { z } from 'zod'; import { Option, program } from "commander"; import { $ } from "bun"; import pkg from "../package.json" with { type: "json" }; // defaults export const DEFAULT_PORT = "8080"; export const DEFAULT_METRICS_PORT = "9090"; export const DEFAULT_HOSTNAME = "localhost"; export const DEFAULT_URL = "http://localhost:8123"; export const DEFAULT_DATABASE = "default"; export const DEFAULT_USERNAME = "default"; export const DEFAULT_PASSWORD = ""; export const DEFAULT_PRETTY_LOGGING = false; export const DEFAULT_VERBOSE = false; // GitHub metadata const GIT_COMMIT = (process.env.GIT_COMMIT ?? await $`git rev-parse HEAD`.text()).replace(/\n/, "").slice(0, 7); const GIT_DATE = (process.env.GIT_DATE ?? await $`git log -1 --format=%cd --date=short`.text()).replace(/\n/, ""); const GIT_REPOSITORY = (process.env.GIT_REPOSITORY ?? await $`git config --get remote.origin.url`.text()).replace(/git@github.com:/, "").replace(".git", "").replace(/\n/, ""); export const GIT_APP = { version: pkg.version as `${number}.${number}.${number}`, commit: GIT_COMMIT, date: GIT_DATE as `${number}-${number}-${number}`, repo: GIT_REPOSITORY, }; export const APP_NAME = pkg.name; export const APP_DESCRIPTION = pkg.description; export const APP_VERSION = `${GIT_APP.version}+${GIT_APP.commit} (${GIT_APP.date})`; // parse command line options const opts = program .name(pkg.name) .version(APP_VERSION) .description(APP_DESCRIPTION) .showHelpAfterError() .addOption(new Option("-h, --hostname <string>", "HTTP hostname").env("HOSTNAME").default(DEFAULT_HOSTNAME)) .addOption(new Option("-p, --port <number>", "HTTP port on which to attach the MCP SSE server").env("PORT").default(DEFAULT_PORT)) .addOption(new Option("--metrics-port <number>", "HTTP port for Prometheus metrics endpoint").env("METRICS_PORT").default(DEFAULT_METRICS_PORT)) .addOption(new Option("--url <string>", "Database HTTP hostname").env("URL").default(DEFAULT_URL)) .addOption(new Option("--database <string>", "The database to use inside ClickHouse").env("DATABASE").default(DEFAULT_DATABASE)) .addOption(new Option("--username <string>", "Database user for API").env("USERNAME").default(DEFAULT_USERNAME)) .addOption(new Option("--password <string>", "Password associated with the specified API username").env("PASSWORD").default(DEFAULT_PASSWORD)) .addOption(new Option("--pretty-logging <boolean>", "Enable pretty logging (default JSON)").choices(["true", "false"]).env("PRETTY_LOGGING").default(DEFAULT_PRETTY_LOGGING)) .addOption(new Option("-v, --verbose <boolean>", "Enable verbose logging").choices(["true", "false"]).env("VERBOSE").default(DEFAULT_VERBOSE)) .parse() .opts(); let config = z.object({ hostname: z.string(), port: z.coerce.number(), metricsPort: z.coerce.number(), url: z.string(), database: z.string(), username: z.string(), password: z.string(), // `z.coerce.boolean` doesn't parse boolean string values as expected (see https://github.com/colinhacks/zod/issues/1630) prettyLogging: z.coerce.string().transform((val) => val.toLowerCase() === "true"), verbose: z.coerce.string().transform((val) => val.toLowerCase() === "true"), }).parse(opts); export { config };