@upstash/context7-mcp@2.0.0

upstash/context7@upstash/context7-mcp@2.0.0Dec 29, 2025by github-actions[bot]

AI Summary

This major release upgrades the MCP server to a new intelligent query-based architecture, introducing smarter context fetching and deduplication while deprecating several legacy tools and parameters.

Key Highlights

Intelligent query-based architecture
New query-docs tool
Smart snippet selection
Security warnings for queries
Tool call limits

Breaking Changes

Removed `get-library-docs` tool, replaced with new `query-docs` tool
`resolve-library-id` now requires both query and libraryName parameters
Removed mode, topic, page, and limit parameters from documentation fetching
Renamed `context7CompatibleLibraryID` parameter to `libraryId`

New Features

Intelligent reranking
Safe tool execution limits
Security warnings

Full Release Notes

### Major Changes

-   66ea0d6: Upgrade MCP server to v2.0.0 with intelligent query-based architecture

    Breaking Changes

    -   Removed get-library-docs tool, replaced with new query-docs tool
    -   resolve-library-id now requires both query and libraryName parameters
    -   Removed mode, topic, page, and limit parameters from documentation fetching
    -   Renamed context7CompatibleLibraryID parameter to libraryId

    New Features

    -   Intelligent reranked and deduplicated library selection based on user intent
    -   Smart snippet selection with relevance-based ranking for documentation retrieval
    -   Query-driven context fetching that understands what the user is trying to accomplish
    -   Added security warnings for sensitive data in query parameters
    -   Added tool call limits (max 3 calls per question) to prevent excessive context window usage

    Improvements

    -   Simplified API key header extraction (removed redundant case variants)
    -   Removed unused actualPort variable and dead code
    -   Cleaner type definitions with new ContextRequest and ContextResponse types
    -   Better error messages for library search failures