Add standalone Paperclip MCP server package

Co-Authored-By: Paperclip <noreply@paperclip.ing>

packages/mcp-server/src/config.ts

@@ -0,0 +1,39 @@
+export interface PaperclipMcpConfig {
+  apiUrl: string;
+  apiKey: string;
+  companyId: string | null;
+  agentId: string | null;
+  runId: string | null;
+}
+
+function nonEmpty(value: string | undefined): string | null {
+  return typeof value === "string" && value.trim().length > 0 ? value.trim() : null;
+}
+
+function stripTrailingSlash(value: string): string {
+  return value.replace(/\/+$/, "");
+}
+
+export function normalizeApiUrl(apiUrl: string): string {
+  const trimmed = stripTrailingSlash(apiUrl.trim());
+  return trimmed.endsWith("/api") ? trimmed : `${trimmed}/api`;
+}
+
+export function readConfigFromEnv(env: NodeJS.ProcessEnv = process.env): PaperclipMcpConfig {
+  const apiUrl = nonEmpty(env.PAPERCLIP_API_URL);
+  if (!apiUrl) {
+    throw new Error("Missing PAPERCLIP_API_URL");
+  }
+  const apiKey = nonEmpty(env.PAPERCLIP_API_KEY);
+  if (!apiKey) {
+    throw new Error("Missing PAPERCLIP_API_KEY");
+  }
+
+  return {
+    apiUrl: normalizeApiUrl(apiUrl),
+    apiKey,
+    companyId: nonEmpty(env.PAPERCLIP_COMPANY_ID),
+    agentId: nonEmpty(env.PAPERCLIP_AGENT_ID),
+    runId: nonEmpty(env.PAPERCLIP_RUN_ID),
+  };
+}