ci: backport conformance tests from main to v1.x (#2068)

.github/actions/conformance/run-server.sh

@@ -0,0 +1,30 @@
+#!/bin/bash
+set -e
+
+PORT="${PORT:-3001}"
+SERVER_URL="http://localhost:${PORT}/mcp"
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+cd "$SCRIPT_DIR/../../.."
+
+# Start everything-server
+uv run --frozen mcp-everything-server --port "$PORT" &
+SERVER_PID=$!
+trap "kill $SERVER_PID 2>/dev/null || true; wait $SERVER_PID 2>/dev/null || true" EXIT
+
+# Wait for server to be ready
+MAX_RETRIES=30
+RETRY_COUNT=0
+while ! curl -s "$SERVER_URL" > /dev/null 2>&1; do
+    RETRY_COUNT=$((RETRY_COUNT + 1))
+    if [ $RETRY_COUNT -ge $MAX_RETRIES ]; then
+        echo "Server failed to start after ${MAX_RETRIES} retries" >&2
+        exit 1
+    fi
+    sleep 0.5
+done
+
+echo "Server ready at $SERVER_URL"
+
+# Run conformance tests
+npx @modelcontextprotocol/conformance@0.1.13 server --url "$SERVER_URL" "$@"