chore: add Claude Code plugin configuration

.claude-plugin/install-binary.sh

@@ -0,0 +1,83 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+PLUGIN_ROOT="${CLAUDE_PLUGIN_ROOT}"
+BINARY_PATH="${PLUGIN_ROOT}/mcp-grafana"
+
+# Detect OS and architecture
+OS=$(uname -s | tr '[:upper:]' '[:lower:]')
+ARCH=$(uname -m)
+
+case "${ARCH}" in
+    x86_64)
+        ARCH="x86_64"
+        ;;
+    aarch64|arm64)
+        ARCH="arm64"
+        ;;
+    i386|i686)
+        ARCH="i386"
+        ;;
+    *)
+        echo "Unsupported architecture: ${ARCH}" >&2
+        exit 1
+        ;;
+esac
+
+# Determine OS, archive extension, and binary name
+case "${OS}" in
+    darwin)
+        OS="Darwin"
+        EXT="tar.gz"
+        BINARY_NAME="mcp-grafana"
+        ;;
+    linux)
+        OS="Linux"
+        EXT="tar.gz"
+        BINARY_NAME="mcp-grafana"
+        ;;
+    mingw*|msys*|cygwin*)
+        OS="Windows"
+        EXT="zip"
+        BINARY_NAME="mcp-grafana.exe"
+        BINARY_PATH="${PLUGIN_ROOT}/mcp-grafana.exe"
+        ;;
+    *)
+        echo "Unsupported OS: ${OS}" >&2
+        exit 1
+        ;;
+esac
+
+# Version to download
+VERSION="v0.7.6"
+ARCHIVE_NAME="mcp-grafana_${OS}_${ARCH}.${EXT}"
+DOWNLOAD_URL="https://github.com/grafana/mcp-grafana/releases/download/${VERSION}/${ARCHIVE_NAME}"
+
+# Download and extract binary if not exists or version mismatch
+VERSION_FILE="${PLUGIN_ROOT}/.mcp-grafana-version"
+if [ ! -f "${BINARY_PATH}" ] || [ ! -f "${VERSION_FILE}" ] || [ "$(cat ${VERSION_FILE})" != "${VERSION}" ]; then
+    echo "Downloading mcp-grafana ${VERSION} for ${OS}-${ARCH}..." >&2
+
+    TEMP_DIR=$(mktemp -d)
+    trap "rm -rf ${TEMP_DIR}" EXIT
+
+    ARCHIVE_PATH="${TEMP_DIR}/${ARCHIVE_NAME}"
+    curl -fsSL "${DOWNLOAD_URL}" -o "${ARCHIVE_PATH}"
+
+    # Extract archive
+    if [ "${EXT}" = "tar.gz" ]; then
+        tar -xzf "${ARCHIVE_PATH}" -C "${TEMP_DIR}"
+    else
+        unzip -q "${ARCHIVE_PATH}" -d "${TEMP_DIR}"
+    fi
+
+    # Move binary to plugin root
+    mv "${TEMP_DIR}/${BINARY_NAME}" "${BINARY_PATH}"
+    chmod +x "${BINARY_PATH}"
+    echo "${VERSION}" > "${VERSION_FILE}"
+
+    echo "Successfully installed mcp-grafana ${VERSION}" >&2
+fi
+
+# Execute the binary with all arguments
+exec "${BINARY_PATH}" "$@"

.claude-plugin/plugin.json

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+{
+  "name": "grafana",
+  "version": "0.7.6",
+  "description": "A Model Context Protocol (MCP) server for Grafana providing access to dashboards, datasources, and querying capabilities",
+  "author": {
+    "name": "Grafana Labs"
+  },
+  "homepage": "https://github.com/grafana/mcp-grafana",
+  "repository": "https://github.com/grafana/mcp-grafana",
+  "license": "AGPL-3.0",
+  "mcpServers": {
+    "grafana": {
+      "command": "${CLAUDE_PLUGIN_ROOT}/.claude-plugin/install-binary.sh",
+      "args": []
+    }
+  }
+}