Supabase ranks higher at 42/100 vs shareGPT - permenent links to your conversations at 22/100. Capability-level comparison backed by match graph evidence from real search data.
| Feature | shareGPT - permenent links to your conversations | Supabase |
|---|---|---|
| Type | Repository | MCP Server |
| UnfragileRank | 22/100 | 42/100 |
| Adoption | 0 | 0 |
| Quality | 0 | 0 |
| Ecosystem | 0 | 0 |
| Match Graph | 0 | 0 |
| Pricing | Free | Free |
| Capabilities | 12 decomposed | 9 decomposed |
| Times Matched | 0 | 0 |
The Chrome extension injects a share button into the ChatGPT DOM, then uses content script injection to traverse the conversation tree structure and extract all message pairs (user prompts and assistant responses) with metadata (timestamps, model info). It serializes this data into a JSON payload that preserves conversation structure and formatting for transmission to the backend API.
Unique: Uses content script injection directly into ChatGPT's DOM rather than relying on OpenAI's official API, enabling extraction without API credentials and capturing the exact rendered conversation state including formatting and UI elements
vs alternatives: Faster and simpler than building a ChatGPT API client because it works with the existing web interface without authentication overhead, but more fragile than API-based approaches due to DOM dependency
The web application generates a unique slug or ID for each submitted conversation and stores it in PlanetScale MySQL database, then serves the conversation via a permanent URL (sharegpt.com/share/{id}). The URL structure enables direct linking, bookmarking, and social sharing without requiring user authentication or session management.
Unique: Generates immutable, publicly-accessible URLs for conversations without requiring user accounts or authentication, using a simple slug-based routing pattern in Next.js that maps directly to database records
vs alternatives: Simpler than Slack's shared message links because it doesn't require workspace membership, but lacks access controls and audit trails that enterprise tools provide
The application defines a relational data model with tables for conversations (storing extracted ChatGPT data), users (storing authentication info), comments (storing user feedback), and favorites (storing user-conversation relationships). The schema uses foreign keys to maintain referential integrity and enable efficient queries across related entities.
Unique: Designs a normalized relational schema that separates conversations, users, comments, and favorites into distinct tables with foreign key relationships, enabling efficient queries and maintaining data integrity
vs alternatives: More queryable than document-based storage because SQL enables complex joins and aggregations, but requires more upfront schema design than schemaless databases
The application uses Next.js API routes (files in /api directory) to handle HTTP requests for conversation submission, retrieval, commenting, and favoriting. Each route is a serverless function that receives a request object, queries the database, and returns a JSON response. The routing is file-based — /api/conversations/[id].js maps to GET /api/conversations/{id}.
Unique: Leverages Next.js file-based API routing to create REST endpoints as serverless functions, eliminating the need for a separate backend framework while keeping API logic colocated with frontend code
vs alternatives: Simpler than Express.js because routing is automatic, but less flexible because it's tied to Next.js and Vercel deployment
The web application provides a sharegpt.com/explore page that queries the PlanetScale database for recently shared conversations and renders them in a browsable feed or grid. The interface uses Next.js server-side rendering to fetch conversations and Tailwind CSS for responsive UI, enabling users to discover shared examples without authentication.
Unique: Provides unauthenticated public discovery of conversations through a simple feed interface, leveraging Next.js SSR to render conversation previews server-side rather than client-side, reducing initial page load time
vs alternatives: More discoverable than direct URL sharing because conversations are indexed in a central feed, but less powerful than search engines because it lacks full-text indexing and semantic search
The web application uses NextAuth.js for user authentication and stores user-specific favorite/bookmark relationships in the PlanetScale database. When authenticated, users can mark conversations as favorites, which are persisted to their user profile and accessible via a dedicated /favorites page. The system maintains a many-to-many relationship between users and conversations.
Unique: Integrates NextAuth.js for session management and stores favorites in a relational database, enabling persistent user-specific collections without building custom auth infrastructure
vs alternatives: More persistent than browser bookmarks because favorites sync across devices, but less flexible than local file storage because it requires account creation and internet connectivity
The web application provides a commenting system on shared conversations where authenticated users can post replies, questions, or feedback. Comments are stored in the PlanetScale database with references to both the conversation and the commenting user, enabling threaded discussion around shared examples.
Unique: Adds lightweight social features to conversation sharing by storing comments in the same database as conversations, enabling discussion without requiring a separate comment platform or third-party service
vs alternatives: Simpler than integrating Disqus or similar because comments stay within the platform, but less feature-rich because it lacks moderation, threading, and notifications
The extension uses the Chrome Extension API (manifest.json v3) to inject content scripts into chatgpt.com, register message passing between the extension popup and content script, and handle permissions for DOM access. It leverages chrome.runtime.sendMessage for async communication between the extension background and content script, enabling the share button to trigger conversation extraction.
Unique: Uses Chrome Extension Manifest v3 with content script injection and message passing to integrate with ChatGPT without modifying the ChatGPT codebase, relying on DOM traversal rather than React state access
vs alternatives: More maintainable than Manifest v2 because it follows current Chrome security standards, but more complex than direct API integration because it requires async message passing and DOM parsing
+4 more capabilities
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 shareGPT - permenent links to your conversations at 22/100.
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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
+1 more capabilities