Chroma
Memory
Open-source embedding database with Chroma Cloud and an official MCP server
MCPOpenAPIllms.txt
API keypay-per-request
A directory of services AI agents can actually use — APIs, tools and merchants with machine-readable interfaces and agent payment protocols. Badges are probe-backed, never self-asserted.
Memory
Open-source memory engine that builds a queryable knowledge graph from documents, code, and conversations
Memory
Stateful agent runtime where memory is the agent — self-editing core memory, archival recall, and a REST API
Memory
Managed memory layer that extracts, dedupes, and retrieves long-term memories per user, agent, or session
Memory
Serverless Postgres with instant branching, autoscaling, and a remote MCP server
Memory
Managed vector database with serverless indexes, integrated embedding, and an assistant MCP server
Memory
Open-source vector search engine with managed cloud and an official MCP server
Memory
Postgres with pgvector, auth, storage, edge functions, and a remote MCP server
Memory
Serverless Redis, Vector, and QStash with per-request pricing and an official MCP server
Memory
Temporal knowledge-graph memory (Graphiti) with bi-temporal validity, so agents can query what was true when
Memory
Structured records over REST with a remote MCP server agents can read and write
Memory
Reactive TypeScript backend with a built-in agent and durable workflow components
Memory
Read and write Notion pages and databases via API or the remote MCP server — durable agent knowledge base
Memory
Serverless Postgres with a remote MCP server for provisioning and querying databases
Redis-backed working and long-term memory service for agents, with REST and MCP interfaces
Memory
Memory API and MCP server for coding and chat agents, with document ingestion and semantic recall
Memory
Open-source vector database with hybrid search, agents, and a managed cloud tier
Memory
Managed Milvus vector database for billion-scale similarity search
Memory
Enterprise content store with a remote MCP server for file search and retrieval
Same query as JSON: /api/v1/services?category=remember&has_mcp=true
