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Weaviate is an open-source vector database designed for AI-native applications and semantic search. Store and query vector embeddings, perform similarity searches, integrate with ML models, build recommendation systems, and enable semantic search capabilities for AI-powered applications.
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Live probe refreshed Sep 14, 2026 · Endpoint host mcp.mcpbundles.com
Domain knowledge for Weaviate — workflow patterns, data models, and gotchas for your AI agent.
Weaviate is an open-source vector database for AI-native applications. Store and query embeddings, perform similarity search, build recommendation systems.
| Setup | Fields | Routing |
|---|---|---|
| Weaviate Cloud or remote cluster | instance URL + API key | Direct HTTPS/gRPC |
| Local Weaviate on this machine | API key + HTTP/gRPC ports (+ desktop tunnel) | MCPBundles Desktop to localhost |
Connect Weaviate to any MCP client in minutes
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Browse all toolsShowing 25 of 31 from the live probe.
Fetch
Universal fetch tool that retrieves any object, schema, or metadata using smart ID routing with colon-separated format. Supports direct object retrieval, schema inspection, and collection metadata.
Search
Search Weaviate vector store using hybrid semantic + keyword search or BM25. Returns ranked results with IDs, titles, and scores.
Weaviate Analyze Property Distribution
Analyze distribution of values for a specific property. Shows top values, uniqueness, null rate, and statistics. Essential for understanding data patterns and quality.
Weaviate Analyze Vector Distribution
Analyze vector embeddings distribution. Shows dimensionality, magnitude statistics, density, and similarity patterns. Critical for understanding embedding quality.
Weaviate Backup Collection
Create a complete backup of a collection including schema and data.
Weaviate Batch Delete
Delete multiple objects matching a filter condition. DESTRUCTIVE operation with safety limits. Requires explicit confirmation and WHERE filter to prevent accidental mass deletion.
Weaviate Batch Import
Import multiple objects in batch. Optimized for bulk loading with automatic error handling, retry logic, and progress reporting. Much faster than individual inserts.
Weaviate Batch Update
Update multiple objects matching a filter condition. Useful for bulk status changes, migrations, or data corrections. Includes safety limits to prevent accidental mass updates.
Weaviate Check Orphaned References
Check for broken cross-references in collections. Returns objects with references to deleted or non-existent objects.
Weaviate Check Vector Quality
Check vector quality for corruption issues. Detects zero vectors, NaN values, and vectors with abnormal magnitude. Critical for maintaining search quality.
Weaviate Compare Collections
Compare two collections to find differences in schemas, object counts, and configurations. Useful for validating migrations or understanding related collections.
Weaviate Copy Objects
Copy objects between collections. Useful for data migration, creating backups, or duplicating data for testing. Optionally preserves or regenerates vectors.
Weaviate Create Collection
Create a new Weaviate collection with custom schema. Define properties, data types, and optionally configure a vectorizer for automatic embedding generation.
Weaviate Data Quality Report
Generate detailed data quality report. Combines vector quality, property completeness, duplicates, and collection health into a single report with actionable recommendations.
Weaviate Delete
Delete object(s) or entire collection from Weaviate. Supports three modes: single object deletion, bulk deletion with failure tracking, and collection removal. All deletions are permanent and cannot be undone.
Weaviate Export Collection
Export collection data including vectors, properties, and metadata for backup or migration.
Weaviate Find Duplicates
Find near-duplicate objects using vector similarity. Helps identify redundant data and potential data quality issues from duplicate imports.
Weaviate Find Missing Vectors
Find objects without vector embeddings. Critical for debugging semantic search issues - objects without vectors won't appear in similarity searches.
Weaviate Find Unused Collections
Find collections that have no objects (empty collections). Useful for identifying collections that can be safely removed or need to be populated.
Weaviate Get Cross References
Analyze cross-reference relationships between collections. Shows which collections reference which other collections, similar to foreign key relationships.
Weaviate Get Property Usage
Analyze property usage in a collection. Shows which properties are consistently populated vs frequently null/empty. Useful for understanding data completeness and identifying unused schema fields.
Weaviate Get Reference Graph
Get a graph of cross-references between collections. Shows which collections reference each other and how.
Weaviate Get Schema Detailed
Get full schema information for a collection including properties, data types, vectorizer configuration, indexes, and module settings.
Weaviate Hybrid Search
Perform hybrid search combining semantic vector search with keyword matching. Hybrid search combines BM25 keyword search with vector similarity.
Weaviate List Collections
List all Weaviate collections with rich filtering options. Supports pattern matching, schema inclusion, object counts, and pagination. Use this for collection discovery and understanding your data structure.
Weaviate is an open-source vector database designed for AI-native applications and semantic search. Store and query vector embeddings, perform similarity searches, integrate with ML models, build recommendation systems, and enable semantic search capabilities for AI-powered applications. It provides 31 tools that AI agents can use through the Model Context Protocol (MCP).
Add the MCPBundles server URL to your MCP client configuration (Claude Desktop, Cursor, VS Code, etc.). The URL format is: https://mcp.mcpbundles.com/bundle/weaviate. Authentication is handled automatically.
Weaviate provides 31 tools that can be called by AI agents, along with a SKILL.md that gives your AI agent domain knowledge about when and how to use them.
Weaviate uses API Key. Weaviate requires credentials. Connect via MCPBundles and authentication is handled automatically.
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MCPBundles is an independent platform built on the open Model Context Protocol standard. Not affiliated with Anthropic PBC or Claude.
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