fix(api): mcp error with remote server

Fixes #93

Author: cameronr

lua/opencode/api.lua

@@ -481,7 +481,7 @@ function M.mcp()
   local info = require('opencode.config_file')
   local mcp = info.get_mcp_servers()
   if not mcp then
-    ui.notify('No MCP configuration found. Please check your opencode config file.', 'warn')
+    vim.notify('No MCP configuration found. Please check your opencode config file.', vim.log.levels.WARN)
     return
   end
 
@@ -491,19 +491,26 @@ function M.mcp()
   local msg = M.with_header({
     '### Available MCP servers',
     '',
-    '| Name   | Type | cmd |',
-    '|--------|------|-----|',
+    '| Name   | Type | cmd/url |',
+    '|--------|------|---------|',
   })
 
   for name, def in pairs(mcp) do
+    local cmd_or_url
+    if def.type == 'local' then
+      cmd_or_url = def.command and table.concat(def.command, ' ')
+    elseif def.type == 'remote' then
+      cmd_or_url = def.url
+    end
+
     table.insert(
       msg,
       string.format(
         '| %s %-10s | %s | %s |',
         (def.enabled and icons.get('status_on') or icons.get('status_off')),
         name,
         def.type,
-        table.concat(def.command, ' ')
+        cmd_or_url
       )
     )
   end

tests/unit/api_spec.lua

@@ -214,4 +214,66 @@ describe('opencode.api', function()
       })
     end)
   end)
+
+  describe('/mcp command', function()
+    it('displays MCP server configuration when available', function()
+      local config_file = require('opencode.config_file')
+      local original_get_mcp_servers = config_file.get_mcp_servers
+
+      config_file.get_mcp_servers = function()
+        return {
+          filesystem = {
+            type = 'local',
+            enabled = true,
+            command = { 'npx', '-y', '@modelcontextprotocol/server-filesystem' },
+          },
+          github = {
+            type = 'remote',
+            enabled = false,
+            url = 'https://example.com/mcp',
+          },
+        }
+      end
+
+      stub(ui, 'render_lines')
+      stub(api, 'open_input')
+
+      api.mcp()
+
+      assert.stub(api.open_input).was_called()
+      assert.stub(ui.render_lines).was_called()
+
+      local render_args = ui.render_lines.calls[1].refs[1]
+      local rendered_text = table.concat(render_args, '\n')
+
+      assert.truthy(rendered_text:match('Available MCP servers'))
+      assert.truthy(rendered_text:match('filesystem'))
+      assert.truthy(rendered_text:match('github'))
+      assert.truthy(rendered_text:match('local'))
+      assert.truthy(rendered_text:match('remote'))
+
+      config_file.get_mcp_servers = original_get_mcp_servers
+    end)
+
+    it('shows warning when no MCP configuration exists', function()
+      local config_file = require('opencode.config_file')
+      local original_get_mcp_servers = config_file.get_mcp_servers
+
+      config_file.get_mcp_servers = function()
+        return nil
+      end
+
+      local notify_stub = stub(vim, 'notify')
+
+      api.mcp()
+
+      assert.stub(notify_stub).was_called_with(
+        'No MCP configuration found. Please check your opencode config file.',
+        vim.log.levels.WARN
+      )
+
+      config_file.get_mcp_servers = original_get_mcp_servers
+      notify_stub:revert()
+    end)
+  end)
 end)