| Ecosystem | 0 | 0 |
| Match Graph | 0 | 0 |
| Pricing | Free | Free |
| Capabilities | 7 decomposed | 9 decomposed |
| Times Matched | 0 | 0 |
Converts MCP stdio server streams into Server-Sent Events (SSE) HTTP responses, allowing stdio-based MCP servers to be accessed over standard HTTP connections. Implements bidirectional message translation between stdio's binary/text stream format and SSE's line-delimited event format, handling connection lifecycle, message framing, and error propagation across protocol boundaries.
Unique: Implements bidirectional MCP protocol translation at the transport layer without requiring server-side code changes, using Node.js streams for efficient message buffering and SSE's native HTTP/1.1 compatibility for broad client support
vs alternatives: Unlike custom HTTP wrappers for each MCP server, supergateway provides a generic stdio-to-SSE adapter that works with any MCP-compliant stdio implementation, reducing integration overhead
Converts MCP stdio server streams into Streamable HTTP responses (chunked transfer encoding or streaming JSON), enabling stdio servers to be accessed via standard HTTP streaming without SSE. Handles message framing, chunk boundaries, and backpressure management to ensure reliable message delivery over HTTP streaming protocols.
Unique: Provides HTTP streaming as an alternative to SSE, using Node.js native stream piping and chunked transfer encoding for minimal overhead and maximum compatibility with HTTP/1.1 infrastructure
vs alternatives: More compatible with legacy HTTP clients and proxies than SSE, while maintaining the same stdio-agnostic approach as SSE bridging
Converts SSE HTTP streams into MCP stdio format, allowing HTTP-based MCP clients to communicate with stdio servers. Implements message parsing from SSE event format, reconstruction of MCP protocol messages, and stdio stream writing with proper framing and error handling.
Unique: Implements reverse-direction protocol translation, allowing HTTP clients to drive stdio servers through SSE consumption and stdio writing, enabling full bidirectional HTTP-to-stdio communication patterns
vs alternatives: Complements forward SSE-to-stdio bridging to create symmetric gateways, unlike one-way adapters that only handle server-to-client streaming
Converts Streamable HTTP responses into MCP stdio format, enabling HTTP streaming clients to communicate with stdio servers. Parses chunked HTTP responses, reconstructs MCP messages from streaming format, and writes them to stdio with proper framing and error recovery.
Unique: Handles HTTP streaming input (not just output) and translates it to stdio, supporting bidirectional streaming patterns where clients send HTTP chunks and receive stdio responses
vs alternatives: Extends HTTP streaming support beyond server-to-client, enabling full duplex HTTP-to-stdio communication unlike SSE which is inherently unidirectional
Manages spawning, monitoring, and cleanup of stdio MCP server processes, including stdin/stdout/stderr stream handling, process exit detection, and automatic restart logic. Implements proper signal handling (SIGTERM, SIGKILL) and resource cleanup to prevent zombie processes and file descriptor leaks.
Unique: Abstracts Node.js child_process complexity with MCP-specific lifecycle management, handling stdio stream routing and process state tracking without requiring manual process supervision
vs alternatives: Simpler than PM2 or systemd for single-process MCP servers, with built-in understanding of MCP protocol semantics for better error detection
Routes MCP messages between different transport protocols (stdio, SSE, HTTP streaming) using a protocol-agnostic message queue and buffering system. Implements message ordering, deduplication, and backpressure handling to ensure reliable delivery across protocol boundaries without message loss or reordering.
Unique: Implements protocol-agnostic message routing using Node.js streams and backpressure mechanisms, allowing seamless message flow between stdio, SSE, and HTTP streaming without protocol-specific routing logic
vs alternatives: More efficient than separate adapters for each protocol pair, using unified buffering and routing instead of N² adapter combinations
Detects and handles MCP protocol violations, malformed messages, and transport-layer errors with graceful degradation. Implements message validation against MCP schema, error propagation across protocol boundaries, and connection recovery strategies without losing client state.
Unique: Validates MCP protocol compliance at the gateway level, catching errors before they reach servers and providing consistent error responses across all transport protocols
vs alternatives: Centralized error handling at the gateway reduces need for error handling in individual servers, improving reliability of heterogeneous MCP implementations
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 supergateway at 23/100. supergateway leads on ecosystem, while Supabase is stronger on quality.
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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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