Add Ballerina LSP implementation

.claude-plugin/marketplace.json

@@ -228,6 +228,40 @@
         }
       }
     },
+    {
+      "name": "ballerina-lsp",
+      "description": "Ballerina language server for code intelligence and cloud-native development",
+      "version": "1.0.0",
+      "author": {
+        "name": "WSO2",
+        "email": "[email protected]"
+      },
+      "source": "./plugins/ballerina-lsp",
+      "homepage": "https://ballerina.io",
+      "repository": "https://github.com/ballerina-platform/ballerina-lang",
+      "category": "development",
+      "strict": false,
+      "lspServers": {
+        "ballerina": {
+          "command": "bal",
+          "args": ["start-language-server"],
+          "extensionToLanguage": {
+            ".bal": "ballerina"
+          },
+          "initializationOptions": {
+            "enableSemanticHighlighting": false,
+            "enableBackgroundDriftCheck": false,
+            "enableInlayHints": false,
+            "supportBalaScheme": false,
+            "supportQuickPick": true,
+            "supportPositionalRenamePopup": true,
+            "enableLightWeightMode": false,
+            "enableIndexPackages": true,
+            "enableMemoryUsageMonitor": false
+          }
+        }
+      }
+    },
     {
       "name": "agent-sdk-dev",
       "description": "Development kit for working with the Claude Agent SDK",

plugins/ballerina-lsp/README.md

@@ -0,0 +1,47 @@
+# ballerina-lsp
+
+Ballerina language server for Claude Code, providing code intelligence features like go-to-definition, find references, diagnostics, and type information.
+
+## Supported Extensions
+`.bal`
+
+## Prerequisites
+
+This plugin requires the Ballerina language distribution to be installed on your machine.
+
+**Minimum Requirements:**
+- Ballerina >= 2201.12.0 (Swan Lake Update 12 or later)
+- The `bal` command must be available in your system PATH
+- Java 21 (bundled with Ballerina distribution)
+
+## Installation
+
+### Install Ballerina
+
+1. Download and install Ballerina from [https://ballerina.io/downloads/](https://ballerina.io/downloads/)
+2. Follow the installation instructions for your platform (macOS, Linux, or Windows)
+3. Verify the installation:
+   ```bash
+   bal version
+   ```
+
+You should see output similar to:
+```
+Ballerina 2201.13.1 (Swan Lake Update 13)
+Language specification 2024R1
+Update Tool 1.5.1
+```
+
+**Verify Installation:**
+```bash
+# Check Ballerina is in PATH
+bal version
+
+# Check Ballerina home
+bal home
+```
+
+## More Information
+- [Ballerina Official Website](https://ballerina.io)
+- [Ballerina Language Server Repository](https://github.com/ballerina-platform/ballerina-lang)
+- [Ballerina Documentation](https://ballerina.io/learn/)