DuckDuckGo & Felo AI Search ranks higher at 49/100 vs Supabase at 42/100. Capability-level comparison backed by match graph evidence from real search data.
| Feature | DuckDuckGo & Felo AI Search | Supabase |
|---|---|---|
| Type | MCP Server | MCP Server |
| UnfragileRank | 49/100 | 42/100 |
| Adoption | 1 | 0 |
| Quality | 0 |
| 0 |
| Ecosystem | 1 | 0 |
| Match Graph | 0 | 0 |
| Pricing | Free | Free |
| Capabilities | 5 decomposed | 9 decomposed |
| Times Matched | 0 | 0 |
This capability enables fast and privacy-friendly web searches by utilizing a decentralized architecture that avoids tracking user data. It integrates with DuckDuckGo's search API to provide results while implementing user agent rotation and rate limiting to enhance security and performance. This design ensures that searches remain anonymous and efficient, setting it apart from traditional search engines that collect user data.
Unique: Utilizes user agent rotation and rate limiting to ensure privacy and prevent abuse, unlike typical search APIs.
vs alternatives: More privacy-centric than Google search APIs, which track user behavior.
This capability allows for the extraction of content and metadata from web pages using a combination of web scraping techniques and structured data parsing. It employs a modular architecture that can adapt to various content types and formats, ensuring comprehensive data retrieval. This approach provides a seamless way to enrich AI assistants with relevant information from the web.
Unique: Combines web scraping with structured data parsing in a modular way, allowing for flexible data extraction.
vs alternatives: More adaptable than static scraping tools that only handle predefined formats.
This capability implements a caching mechanism to store frequently accessed search results, reducing response times and minimizing redundant API calls. By using an in-memory cache combined with a persistent storage option, it ensures that repeated queries return results quickly while managing resource usage effectively. This architecture enhances performance, especially for high-frequency search requests.
Unique: Utilizes both in-memory and persistent caching strategies to balance speed and resource management effectively.
vs alternatives: More efficient than basic caching solutions that do not consider persistent storage.
This capability leverages AI algorithms to refine search results based on user intent and context. By analyzing previous queries and user behavior, it employs machine learning techniques to prioritize relevant results and improve the overall search experience. This adaptive approach allows the search engine to learn and evolve, providing users with increasingly accurate results over time.
Unique: Employs adaptive machine learning techniques to continuously improve search relevance based on user interactions.
vs alternatives: More dynamic than static keyword-based search systems that do not adapt to user behavior.
This capability allows users to perform web scraping without the need for API keys, simplifying access to web data. It employs a direct scraping approach that bypasses traditional API limitations, enabling developers to gather data from various sources freely. This feature is particularly useful for applications that require quick access to diverse web content without the overhead of API management.
Unique: Enables direct scraping without API keys, allowing for more flexible and unrestricted access to web content.
vs alternatives: More accessible than traditional API-based scraping tools that require authentication and rate limits.
Executes SQL queries against Supabase PostgreSQL instances through the Model Context Protocol, translating natural language or structured query requests into parameterized SQL statements. Uses MCP's tool-calling interface to expose database operations as callable functions with schema validation, enabling LLM agents to perform CRUD operations, joins, and aggregations with automatic connection pooling and credential management through Supabase client SDK.
Unique: Exposes Supabase PostgreSQL as MCP tools with automatic credential injection from Supabase client SDK, eliminating manual connection string management and enabling seamless LLM-to-database queries within Claude or compatible agents
vs alternatives: Tighter integration than generic SQL MCP servers because it leverages Supabase's built-in authentication and connection pooling rather than requiring separate database credential configuration
Exposes Supabase Auth session state and user metadata through MCP tools, allowing agents to inspect current authentication context, retrieve user profiles, and trigger auth-related operations. Integrates with Supabase's JWT-based auth system to validate sessions and access user claims without re-authenticating, using the Supabase client's built-in session management.
Unique: Integrates Supabase's JWT-based auth system directly into MCP tool interface, allowing agents to inspect and act on auth state without managing separate credential stores or re-authentication flows
vs alternatives: More seamless than generic auth MCP servers because it leverages Supabase's built-in session management and avoids redundant credential passing between agent and auth system
Invokes Supabase Edge Functions (serverless TypeScript/JavaScript functions) through MCP tools, passing parameters and receiving results with optional streaming support. Uses Supabase's edge function HTTP API to trigger functions with automatic authentication headers and response parsing, enabling agents to execute custom business logic without embedding it in the agent itself.
DuckDuckGo & Felo AI Search scores higher at 49/100 vs Supabase at 42/100.
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Unique: Exposes Supabase Edge Functions as MCP tools with automatic authentication and response parsing, allowing agents to invoke custom serverless logic without managing HTTP clients or credential injection
vs alternatives: More integrated than generic HTTP MCP tools because it handles Supabase-specific authentication, error handling, and response formatting automatically
Subscribes to real-time changes on Supabase tables through MCP's event streaming interface, using Supabase's PostgreSQL LISTEN/NOTIFY mechanism to push INSERT, UPDATE, and DELETE events to agents. Maintains persistent WebSocket connections and filters events by table and row-level policies, enabling agents to react to database changes without polling.
Unique: Bridges Supabase's PostgreSQL LISTEN/NOTIFY real-time system with MCP's tool interface, enabling agents to subscribe to database changes without managing WebSocket connections or event serialization
vs alternatives: More efficient than polling-based approaches because it uses Supabase's native real-time infrastructure rather than repeated database queries
Manages files in Supabase Storage buckets through MCP tools, supporting upload, download, list, and delete operations with automatic authentication and path-based access control. Uses Supabase's S3-compatible storage API with built-in support for public/private buckets and signed URLs for temporary access, enabling agents to handle file I/O without managing cloud storage credentials.
Unique: Exposes Supabase Storage's S3-compatible API as MCP tools with automatic authentication and signed URL generation, eliminating the need for agents to manage cloud storage credentials or generate temporary access tokens
vs alternatives: More integrated than generic S3 MCP tools because it leverages Supabase's built-in bucket policies and authentication rather than requiring separate AWS credentials
Performs semantic similarity searches on vector embeddings stored in Supabase PostgreSQL using pgvector extension, translating natural language queries into embedding vectors and executing cosine/L2 distance searches. Integrates with embedding providers (OpenAI, Cohere) or uses pre-computed embeddings, enabling agents to retrieve semantically similar documents or records without full-text search limitations.
Unique: Integrates pgvector directly into MCP tools with automatic embedding generation and distance calculation, enabling agents to perform semantic search without managing separate vector database infrastructure
vs alternatives: More efficient than external vector databases (Pinecone, Weaviate) for Supabase users because it colocates embeddings with relational data, reducing network latency and simplifying data synchronization
Exposes Supabase database schema information through MCP tools, allowing agents to discover table structures, column types, constraints, and relationships without manual schema documentation. Queries PostgreSQL information_schema and Supabase metadata tables to dynamically generate schema descriptions, enabling agents to construct valid queries and understand data relationships.
Unique: Queries Supabase's PostgreSQL information_schema directly through MCP tools, enabling agents to dynamically discover and adapt to database schemas without pre-configured schema definitions
vs alternatives: More flexible than static schema definitions because it reflects live database state, including recent migrations or schema changes
Enforces Supabase Row-Level Security policies within agent queries, ensuring that agents can only access rows permitted by RLS rules defined in the database. Evaluates policies based on authenticated user context (JWT claims, user ID) and applies WHERE clause filters automatically, preventing unauthorized data access at the database layer rather than application layer.
Unique: Delegates authorization enforcement to PostgreSQL RLS policies rather than implementing authorization in agent code, ensuring that data access rules are centralized and cannot be bypassed by agent logic
vs alternatives: More secure than application-level authorization because RLS is enforced at the database layer, preventing accidental data leaks even if agent code has bugs
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