Files
Chris Coutinho e1412320a7 feat: add MCP tool annotations for enhanced UX
Add ToolAnnotations to all 105+ MCP tools across 13 modules to enable
better client-side UX with human-readable titles and behavioral hints.

Changes:
- Add title and ToolAnnotations to all @mcp.tool() decorators
- Apply correct idempotency classification per ADR-017
- Add destructiveHint for delete operations
- Set openWorldHint=False for semantic search (internal data only)

Modules updated:
- OAuth (4 tools): Authentication and provisioning
- Notes (7 tools): Note management
- WebDAV (11 tools): File operations
- Semantic (3 tools): Semantic search and RAG
- Calendar (16 tools): Events and todos
- Contacts (7 tools): Address book management
- Sharing (5 tools): File/folder sharing
- Tables (6 tools): Structured data
- Deck (25 tools): Kanban board management
- Cookbook (13 tools): Recipe management
- News (8 tools): RSS feed reader

Annotation patterns:
- Read operations: readOnlyHint=True, openWorldHint=True
- Create operations: idempotentHint=False, openWorldHint=True
- Update operations: idempotentHint=False, openWorldHint=True
- Delete operations: destructiveHint=True, idempotentHint=True, openWorldHint=True

See docs/ADR-017-mcp-tool-annotations.md for rationale and implementation details.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
2025-12-11 12:45:02 +01:00

385 lines
13 KiB
Python

"""MCP tools for Nextcloud News app."""
import logging
from httpx import HTTPStatusError, RequestError
from mcp.server.fastmcp import Context, FastMCP
from mcp.shared.exceptions import McpError
from mcp.types import ErrorData, ToolAnnotations
from nextcloud_mcp_server.auth import require_scopes
from nextcloud_mcp_server.client.news import NewsItemType
from nextcloud_mcp_server.context import get_client
from nextcloud_mcp_server.models.news import (
FeedHealthResponse,
GetItemResponse,
GetStatusResponse,
ListFeedsResponse,
ListFoldersResponse,
ListItemsResponse,
NewsFeed,
NewsFolder,
NewsItem,
NewsItemSummary,
)
from nextcloud_mcp_server.observability.metrics import instrument_tool
logger = logging.getLogger(__name__)
def configure_news_tools(mcp: FastMCP):
"""Configure News app MCP tools."""
@mcp.tool(
title="List News Folders",
annotations=ToolAnnotations(readOnlyHint=True, openWorldHint=True),
)
@require_scopes("news:read")
@instrument_tool
async def nc_news_list_folders(ctx: Context) -> ListFoldersResponse:
"""List all News folders (requires news:read scope)."""
client = await get_client(ctx)
try:
folders_data = await client.news.get_folders()
folders = [NewsFolder(**f) for f in folders_data]
return ListFoldersResponse(results=folders, total_count=len(folders))
except RequestError as e:
raise McpError(
ErrorData(code=-1, message=f"Network error listing folders: {str(e)}")
)
except HTTPStatusError as e:
raise McpError(
ErrorData(
code=-1,
message=f"Failed to list folders: {e.response.status_code}",
)
)
@mcp.tool(
title="List News Feeds",
annotations=ToolAnnotations(readOnlyHint=True, openWorldHint=True),
)
@require_scopes("news:read")
@instrument_tool
async def nc_news_list_feeds(ctx: Context) -> ListFeedsResponse:
"""List all News feeds with metadata (requires news:read scope).
Returns feeds with unread counts, error status, and overall starred count.
"""
client = await get_client(ctx)
try:
data = await client.news.get_feeds()
feeds = [NewsFeed(**f) for f in data.get("feeds", [])]
return ListFeedsResponse(
results=feeds,
starred_count=data.get("starredCount", 0),
newest_item_id=data.get("newestItemId"),
total_count=len(feeds),
)
except RequestError as e:
raise McpError(
ErrorData(code=-1, message=f"Network error listing feeds: {str(e)}")
)
except HTTPStatusError as e:
raise McpError(
ErrorData(
code=-1,
message=f"Failed to list feeds: {e.response.status_code}",
)
)
@mcp.tool(
title="List News Items",
annotations=ToolAnnotations(readOnlyHint=True, openWorldHint=True),
)
@require_scopes("news:read")
@instrument_tool
async def nc_news_list_items(
ctx: Context,
feed_id: int | None = None,
folder_id: int | None = None,
starred_only: bool = False,
unread_only: bool = False,
limit: int = 50,
offset: int = 0,
) -> ListItemsResponse:
"""List News items (articles) with optional filtering (requires news:read scope).
Args:
feed_id: Filter by specific feed ID
folder_id: Filter by specific folder ID
starred_only: Return only starred items
unread_only: Return only unread items
limit: Maximum number of items to return (default 50, -1 for all)
offset: Item ID to start after (for pagination)
Returns:
ListItemsResponse with items, count, and pagination info
"""
client = await get_client(ctx)
# Determine item type filter
type_ = NewsItemType.ALL
id_ = 0
if starred_only:
type_ = NewsItemType.STARRED
elif feed_id is not None:
type_ = NewsItemType.FEED
id_ = feed_id
elif folder_id is not None:
type_ = NewsItemType.FOLDER
id_ = folder_id
try:
items_data = await client.news.get_items(
batch_size=limit,
offset=offset,
type_=type_,
id_=id_,
get_read=not unread_only,
)
items = [NewsItemSummary(**i) for i in items_data]
# Determine pagination info
oldest_id = min((i.id for i in items), default=None) if items else None
has_more = len(items) == limit and limit > 0
return ListItemsResponse(
results=items,
total_count=len(items),
has_more=has_more,
oldest_id=oldest_id,
)
except RequestError as e:
raise McpError(
ErrorData(code=-1, message=f"Network error listing items: {str(e)}")
)
except HTTPStatusError as e:
raise McpError(
ErrorData(
code=-1,
message=f"Failed to list items: {e.response.status_code}",
)
)
@mcp.tool(
title="Get News Item",
annotations=ToolAnnotations(readOnlyHint=True, openWorldHint=True),
)
@require_scopes("news:read")
@instrument_tool
async def nc_news_get_item(item_id: int, ctx: Context) -> GetItemResponse:
"""Get a specific News item by ID with full content (requires news:read scope).
Args:
item_id: Item ID
Returns:
GetItemResponse with full item details including HTML body
"""
client = await get_client(ctx)
try:
item_data = await client.news.get_item(item_id)
item = NewsItem(**item_data)
return GetItemResponse(item=item)
except ValueError as e:
raise McpError(ErrorData(code=-1, message=str(e)))
except RequestError as e:
raise McpError(
ErrorData(
code=-1, message=f"Network error getting item {item_id}: {str(e)}"
)
)
except HTTPStatusError as e:
if e.response.status_code == 404:
raise McpError(ErrorData(code=-1, message=f"Item {item_id} not found"))
raise McpError(
ErrorData(
code=-1,
message=f"Failed to get item {item_id}: {e.response.status_code}",
)
)
@mcp.tool(
title="Get Starred News Items",
annotations=ToolAnnotations(readOnlyHint=True, openWorldHint=True),
)
@require_scopes("news:read")
@instrument_tool
async def nc_news_get_starred_items(
ctx: Context, limit: int = 50, offset: int = 0
) -> ListItemsResponse:
"""Get starred (favorited) News items (requires news:read scope).
Convenience method for retrieving user's starred articles.
Args:
limit: Maximum number of items to return (default 50, -1 for all)
offset: Item ID to start after (for pagination)
Returns:
ListItemsResponse with starred items
"""
client = await get_client(ctx)
try:
items_data = await client.news.get_items(
batch_size=limit,
offset=offset,
type_=NewsItemType.STARRED,
get_read=True, # Include read starred items
)
items = [NewsItemSummary(**i) for i in items_data]
oldest_id = min((i.id for i in items), default=None) if items else None
has_more = len(items) == limit and limit > 0
return ListItemsResponse(
results=items,
total_count=len(items),
has_more=has_more,
oldest_id=oldest_id,
)
except RequestError as e:
raise McpError(
ErrorData(
code=-1, message=f"Network error getting starred items: {str(e)}"
)
)
except HTTPStatusError as e:
raise McpError(
ErrorData(
code=-1,
message=f"Failed to get starred items: {e.response.status_code}",
)
)
@mcp.tool(
title="Get Unread News Items",
annotations=ToolAnnotations(readOnlyHint=True, openWorldHint=True),
)
@require_scopes("news:read")
@instrument_tool
async def nc_news_get_unread_items(
ctx: Context, limit: int = 50, offset: int = 0
) -> ListItemsResponse:
"""Get unread News items (requires news:read scope).
Convenience method for retrieving unread articles across all feeds.
Args:
limit: Maximum number of items to return (default 50, -1 for all)
offset: Item ID to start after (for pagination)
Returns:
ListItemsResponse with unread items
"""
client = await get_client(ctx)
try:
items_data = await client.news.get_items(
batch_size=limit,
offset=offset,
type_=NewsItemType.ALL,
get_read=False, # Only unread items
)
items = [NewsItemSummary(**i) for i in items_data]
oldest_id = min((i.id for i in items), default=None) if items else None
has_more = len(items) == limit and limit > 0
return ListItemsResponse(
results=items,
total_count=len(items),
has_more=has_more,
oldest_id=oldest_id,
)
except RequestError as e:
raise McpError(
ErrorData(
code=-1, message=f"Network error getting unread items: {str(e)}"
)
)
except HTTPStatusError as e:
raise McpError(
ErrorData(
code=-1,
message=f"Failed to get unread items: {e.response.status_code}",
)
)
@mcp.tool(
title="Get News Feed Health",
annotations=ToolAnnotations(readOnlyHint=True, openWorldHint=True),
)
@require_scopes("news:read")
@instrument_tool
async def nc_news_get_feed_health(feed_id: int, ctx: Context) -> FeedHealthResponse:
"""Get health status for a specific feed (requires news:read scope).
Returns error count and last error message if the feed has update issues.
Args:
feed_id: Feed ID to check
Returns:
FeedHealthResponse with error status
"""
client = await get_client(ctx)
try:
data = await client.news.get_feeds()
for feed_data in data.get("feeds", []):
if feed_data.get("id") == feed_id:
feed = NewsFeed(**feed_data)
return FeedHealthResponse(
feed_id=feed.id,
title=feed.title,
url=feed.url,
has_errors=feed.has_errors,
error_count=feed.update_error_count,
last_error=feed.last_update_error,
)
raise McpError(ErrorData(code=-1, message=f"Feed {feed_id} not found"))
except RequestError as e:
raise McpError(
ErrorData(
code=-1,
message=f"Network error getting feed health: {str(e)}",
)
)
except HTTPStatusError as e:
raise McpError(
ErrorData(
code=-1,
message=f"Failed to get feed health: {e.response.status_code}",
)
)
@mcp.tool(
title="Get News App Status",
annotations=ToolAnnotations(readOnlyHint=True, openWorldHint=True),
)
@require_scopes("news:read")
@instrument_tool
async def nc_news_get_status(ctx: Context) -> GetStatusResponse:
"""Get News app status and version (requires news:read scope).
Returns version information and any configuration warnings.
"""
client = await get_client(ctx)
try:
status_data = await client.news.get_status()
return GetStatusResponse(
version=status_data.get("version", "unknown"),
warnings=status_data.get("warnings", {}),
)
except RequestError as e:
raise McpError(
ErrorData(code=-1, message=f"Network error getting status: {str(e)}")
)
except HTTPStatusError as e:
raise McpError(
ErrorData(
code=-1,
message=f"Failed to get status: {e.response.status_code}",
)
)