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| Match Graph | 0 | 0 |
| Pricing | Free | Free |
| Capabilities | 5 decomposed | 9 decomposed |
| Times Matched | 0 | 0 |
Performs WHOIS lookups against domain names by querying authoritative WHOIS servers and parsing structured registrar responses to extract registration details, expiration dates, nameservers, and registrant information. Implements server-side WHOIS protocol communication (RFC 3912) with automatic fallback to public WHOIS gateways when direct server queries fail, returning normalized JSON output compatible with MCP tool schemas.
Unique: Implements MCP server wrapper around WHOIS protocol with automatic registrar detection and response normalization, allowing Claude and other MCP clients to query domain metadata directly without external API dependencies or authentication
vs alternatives: Lighter-weight than commercial WHOIS APIs (no rate-limit quotas or API keys required) and more flexible than hardcoded domain lookup tools because it exposes raw WHOIS protocol access through MCP's standardized tool interface
Performs WHOIS lookups against IPv4 and IPv6 addresses by querying Regional Internet Registries (RIRs: ARIN, RIPE, APNIC, LACNIC, AFRINIC) and extracting autonomous system number (ASN), network range, organization ownership, and geolocation hints. Implements automatic RIR selection based on IP address space allocation, with fallback to secondary WHOIS servers when primary RIR is unreachable.
Unique: Automatically routes IP WHOIS queries to correct Regional Internet Registry based on IP address space allocation, with built-in ASN resolution and multi-RIR fallback logic, eliminating need for clients to know RIR geography
vs alternatives: More comprehensive than simple IP geolocation APIs because it returns authoritative ASN and network ownership data directly from RIRs, and more reliable than third-party IP databases because it queries primary sources without caching delays
Performs WHOIS lookups against Autonomous System Numbers (ASNs) by querying RIRs and extracting organization details, network prefixes, routing policy information, and abuse contacts. Implements ASN-to-network mapping to enumerate all IP ranges announced by a given AS, supporting both IPv4 and IPv6 prefix queries with optional filtering by address family.
Unique: Implements ASN-to-prefix enumeration by querying RIR WHOIS servers and parsing network prefix lists, allowing clients to discover all IP ranges operated by an AS without requiring BGP route collectors or third-party databases
vs alternatives: More authoritative than BGP route collectors (which show only actively announced routes) because it returns WHOIS-registered prefixes directly from RIRs, and more complete than IP geolocation databases because it includes routing policy and abuse contact data
Performs WHOIS lookups against top-level domains (TLDs) by querying the IANA WHOIS server and registry-specific WHOIS servers, extracting registry operator information, nameserver details, DNSSEC configuration, and registry contact information. Implements TLD-to-registry mapping with automatic fallback to IANA when registry-specific servers are unavailable.
Unique: Implements TLD-specific WHOIS routing with automatic registry detection and fallback to IANA, exposing registry-level metadata (operator, nameservers, DNSSEC) through a unified MCP tool interface without requiring clients to know registry-specific server addresses
vs alternatives: More direct than IANA zone file parsing because it queries authoritative WHOIS servers for real-time registry metadata, and more comprehensive than DNS-only validation because it includes administrative contacts and registry operator information
Exposes WHOIS lookup capabilities as standardized MCP tools with JSON schema definitions, allowing Claude and other MCP clients to invoke domain, IP, ASN, and TLD lookups through natural language requests. Implements tool parameter validation, error handling with user-friendly messages, and response formatting compatible with Claude's tool-use protocol, enabling seamless integration into multi-step agent workflows.
Unique: Implements MCP tool server pattern with standardized JSON schema definitions for domain, IP, ASN, and TLD WHOIS lookups, enabling Claude and other MCP clients to invoke WHOIS queries through natural language without manual API calls or parameter construction
vs alternatives: More integrated than standalone WHOIS CLI tools because it exposes capabilities through MCP's standardized tool interface, allowing seamless composition with other tools in multi-step agent workflows; more flexible than hardcoded WHOIS integrations because schema-based approach allows clients to discover and invoke tools dynamically
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.
Supabase scores higher at 42/100 vs Whois MCP at 20/100.
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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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