feat(mcp): add netx-mcp package and HTTP stdio MCP

- Extract installable packages/netx-mcp (12 HTTP tools, mcp.json)

- Delegate netx_api.mcp to netx_mcp; keep legacy db_server shim

- Add docs/MCP.md, install payload, pyproject entry, tests

Co-authored-by: Cursor <cursoragent@cursor.com>

pyproject.toml

@@ -0,0 +1,37 @@
+[build-system]
+requires = ["setuptools>=68", "wheel"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "netx-ops"
+version = "0.2.0"
+description = "netx operations tool: alarm-centric workflows with REST API and stdio MCP"
+readme = "README.md"
+requires-python = ">=3.11"
+license = { text = "MIT" }
+dependencies = [
+  "fastapi>=0.115.0",
+  "uvicorn>=0.30.0",
+  "httpx>=0.27.0",
+  "sqlalchemy>=2.0.0",
+  "psycopg[binary]>=3.2.0",
+  "pandas>=2.0.0",
+  "openpyxl>=3.1.0",
+  "PyYAML>=6.0.0",
+  "pydantic>=2.8.0",
+  "pydantic-settings>=2.3.0",
+  "python-multipart>=0.0.9",
+  "websocket-client>=1.8.0",
+  "cryptography>=42.0.0",
+  "netmiko>=4.3.0",
+]
+
+[project.optional-dependencies]
+mcp = ["netx-mcp @ file:packages/netx-mcp"]
+
+[project.scripts]
+netx-mcp = "netx_mcp.server:main"
+
+[tool.setuptools.packages.find]
+where = ["."]
+include = ["netx_api*"]