Purview MCP Server

FastMCP-based server that exposes Microsoft Purview data governance operations through the Model Context Protocol.

Full documentation: docs/purview-mcp-server.md

Quick Start

# stdio (default) — from repo root, venv active
$env:PURVIEW_ACCOUNT_NAME = "your-account"
python tools/PurviewMCPServer/server.py

# Streamable-HTTP
$env:PURVIEW_MCP_TRANSPORT = "streamable-http"
$env:PURVIEW_MCP_PORT      = "8000"
python tools/PurviewMCPServer/server.py
# endpoint: http://127.0.0.1:8000/mcp

# Azure Functions (func host)
cd tools/hosting/app && func start --port 7073
# endpoint: http://localhost:7073/api/mcp

Transport Protocols

Transport	Env value	VS Code mcp.json type	Endpoint
stdio (default)	`stdio`	`"command"`	process stdin/stdout
Streamable-HTTP	`streamable-http` or `http`	`"http"`	`/mcp` (standalone) or `/api/mcp` (Azure Functions)
SSE (legacy)	`sse`	`"sse"`	`/sse` (standalone only — not compatible with Azure Functions)

VS Code mcp.json

{
  "servers": {
    "purview-mcp-server-stdio": {
      "command": "./.venv/Scripts/python",
      "args": ["tools/PurviewMCPServer/server.py"],
      "env": { "PURVIEW_ACCOUNT_NAME": "your-account" }
    },
    "purview-mcp-server-http": {
      "type": "http",
      "url": "http://localhost:7073/api/mcp"
    }
  }
}

Environment Variables

Variable	Required	Default	Description
`PURVIEW_ACCOUNT_NAME`	Yes	—	Purview account name (no suffix)
`AZURE_TENANT_ID`	No	—	Azure tenant GUID
`AZURE_CLIENT_ID`	No	—	Service principal client ID
`AZURE_CLIENT_SECRET`	No	—	Service principal secret
`AZURE_REGION`	No	public	Sovereign cloud: `usgov`, `china`
`PURVIEW_MAX_RETRIES`	No	`3`	API retry count
`PURVIEW_TIMEOUT`	No	`30`	Request timeout (seconds)
`PURVIEW_BATCH_SIZE`	No	`100`	Bulk operation batch size
`PURVIEW_MCP_TRANSPORT`	No	`stdio`	Transport protocol
`PURVIEW_MCP_HOST`	No	`127.0.0.1`	Bind host (HTTP/SSE modes)
`PURVIEW_MCP_PORT`	No	`8000`	Bind port (HTTP/SSE modes)

Copy .env.example to .env and fill in your values. Never commit .env.

Available Tools (37 + registry)

Category	Tools
Entity (8)	`get_entity`, `create_entity`, `update_entity`, `delete_entity`, `search_entities`, `batch_create_entities`, `batch_update_entities`, `import_entities_from_csv`
Glossary (3)	`get_glossary_terms`, `create_glossary_term`, `assign_term_to_entities`
Unified Catalog (11)	`uc_list_domains`, `uc_get_domain`, `uc_create_domain`, `uc_list_terms`, `uc_get_term`, `uc_create_term`, `uc_search_terms`, `uc_list_custom_metadata_defs`, `uc_cleanup_metadata_definition`, `uc_delete_metadata_definition`, `uc_delete_metadata_from_asset`
Collections (5)	`list_collections`, `get_collection`, `create_collection`, `delete_collection`, `get_collection_path`
Lineage (2)	`get_lineage`, `create_lineage`
Search (2)	`search_suggest`, `search_browse`
Type Defs (2)	`get_typedef`, `list_typedefs`
Relationships (3)	`create_relationship`, `get_relationship`, `delete_relationship`
Account + Registry (3)	`get_account_properties`, `list_available_operations`, `invoke_operation`

Recommended First Commands

1) list_available_operations()
2) get_account_properties()
3) search_entities(query="customer", limit=5)
4) uc_list_domains()

Files

File	Purpose
`server.py`	FastMCP server — all 37 tool definitions
`config.py`	`PurviewMCPConfig` frozen dataclass — env var parsing and validation
`__version__.py`	Package version
`.env.example`	Environment variable template
`PROMPT_INSTRUCTIONS.md`	Detailed prompt guidance for AI assistants
`pyproject.toml`	Package metadata (`purview-mcp-server`)
`Dockerfile`	Container image for standalone deployment
`docker-compose.yml`	Local container stack

For Azure Functions hosting files, see tools/hosting/.

See docs/purview-mcp-server.md for the full reference including client setup for Claude Code and Cursor, Azure Functions deployment, all prompt examples, workflows, and troubleshooting.

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