fix(opencode): doctor ignores global config, lists 0 servers

packages/cli/src/detect.ts

@@ -7,6 +7,7 @@
 
 import * as path from "node:path";
 import * as os from "node:os";
+import * as fs from "node:fs";
 import { generators } from "@getmcp/generators";
 import type { AppIdType, AppMetadata } from "@getmcp/core";
 import { supportsBothScopes } from "@getmcp/core";
@@ -91,10 +92,23 @@ export function detectApps(): DetectedApp[] {
     const hasBothScopes = supportsBothScopes(generator.app);
     const globalConfigPath = hasBothScopes ? getConfigPath(generator.app, "global") : undefined;
 
+    // For dual-scope apps, prefer the project config when it exists; otherwise
+    // fall back to the global config so that doctor/list reflect the config
+    // the user is actually using. This matters for apps like OpenCode and
+    // Claude Code where many users only keep a global config.
+    let effectiveConfigPath = configPath;
+    if (hasBothScopes && globalConfigPath) {
+      const projectExists = fs.existsSync(configPath);
+      const globalExists = fs.existsSync(globalConfigPath);
+      if (!projectExists && globalExists) {
+        effectiveConfigPath = globalConfigPath;
+      }
+    }
+
     results.push({
       id: generator.app.id,
       name: generator.app.name,
-      configPath,
+      configPath: effectiveConfigPath,
       exists: generator.detectInstalled(),
       supportsBothScopes: hasBothScopes,
       ...(globalConfigPath ? { globalConfigPath } : {}),

packages/cli/tests/detect.test.ts

@@ -56,7 +56,7 @@ describe("detectApps", () => {
 
   it("dual-scope apps have supportsBothScopes true", () => {
     const apps = detectApps();
-    const dualScopeIds = ["claude-code", "cursor", "codex"];
+    const dualScopeIds = ["claude-code", "cursor", "codex", "opencode"];
     for (const app of apps) {
       if (dualScopeIds.includes(app.id)) {
         expect(app.supportsBothScopes).toBe(true);
@@ -67,7 +67,7 @@ describe("detectApps", () => {
 
   it("single-scope apps have supportsBothScopes false", () => {
     const apps = detectApps();
-    const singleScopeIds = ["claude-desktop", "vscode", "cline", "goose", "opencode"];
+    const singleScopeIds = ["claude-desktop", "vscode", "cline", "goose"];
     for (const app of apps) {
       if (singleScopeIds.includes(app.id)) {
         expect(app.supportsBothScopes).toBe(false);

packages/generators/src/opencode.ts

@@ -35,8 +35,18 @@ export class OpenCodeGenerator extends BaseGenerator {
     id: "opencode",
     name: "OpenCode",
     description: "Open-source AI coding agent by Anomaly",
+    // Project-level config. OpenCode accepts both opencode.json and opencode.jsonc;
+    // we write .json because it is the most widely compatible default.
     configPaths: "opencode.json",
-    globalConfigPaths: null,
+    // Global config. Per OpenCode docs, global settings live in
+    // ~/.config/opencode/opencode.jsonc (JSONC to allow comments).
+    // On Windows the equivalent location is %AppData%\opencode\.
+    // See https://opencode.ai/docs/config/
+    globalConfigPaths: {
+      darwin: "~/.config/opencode/opencode.jsonc",
+      win32: "%AppData%/opencode/opencode.jsonc",
+      linux: "~/.config/opencode/opencode.jsonc",
+    },
     configFormat: "jsonc",
     docsUrl: "https://opencode.ai/docs/mcp-servers/",
   };