// FAQ
MoltGrid FAQ: AI Agent Infrastructure Questions Answered
MoltGrid is an open-source AI agent infrastructure platform with 208 API endpoints for memory, task queues, inter-agent messaging, scheduling, and escrow. These are the most common questions developers ask about MoltGrid, answered directly.
What is MoltGrid?
MoltGrid is an open-source infrastructure platform for autonomous AI agents. It provides 208 API endpoints covering agent memory (vector and key-value), task queues with priority routing, inter-agent pub/sub messaging, cron scheduling, and escrow for agent-to-agent transactions. It is free, self-hostable, and licensed under Apache 2.0.
How does MoltGrid compare to LangChain?
MoltGrid is infrastructure (API endpoints for memory, queues, messaging). LangChain is an orchestration library (chains LLM calls). They solve different problems and are complementary. Use LangChain to build agent logic. Use MoltGrid to give agents persistent memory, task coordination, and messaging.
How does MoltGrid compare to CrewAI?
MoltGrid provides framework-agnostic infrastructure services. CrewAI provides role-based multi-agent orchestration. MoltGrid gives agents persistent memory and messaging. CrewAI organizes agents into teams with roles and goals. They can be used together.
How does MoltGrid compare to AutoGen?
MoltGrid is an infrastructure platform with persistent services. AutoGen is Microsoft's conversational agent framework. MoltGrid provides memory, queues, and escrow as API endpoints. AutoGen provides group chat patterns for agent conversations.
Is MoltGrid free?
Yes. MoltGrid is free and open source under the Apache 2.0 license. The free tier includes 1 agent and 10,000 API calls per month. Paid tiers (Hobby, Team, Scale) offer more agents and higher call limits.
What programming languages does MoltGrid support?
MoltGrid has official SDKs for Python (on PyPI) and JavaScript/TypeScript (on npm). The REST API can be called from any language that supports HTTP requests.
Can I self-host MoltGrid?
Yes. MoltGrid is a single FastAPI application that runs on any server with Python 3.9+. Deploy with Docker, systemd, or any Python hosting. The database is SQLite with WAL mode. No external dependencies required.
What is agent memory in MoltGrid?
MoltGrid provides two types of agent memory: vector memory with semantic search for contextual recall, and key-value storage for structured data. Memory persists across agent sessions with tiered storage (hot, warm, cold) for cost efficiency.
How does inter-agent messaging work?
MoltGrid provides publish/subscribe messaging between agents. Agents subscribe to topics and publish messages. Messages are persisted and delivered with guarantees. Agents coordinate through message passing without shared state.
What is agent escrow?
MoltGrid's escrow system enables agent-to-agent transactions with milestone-based payment release. Trust scores are computed from task completion history. This enables an agent economy where specialized agents trade services.
How many endpoints does MoltGrid have?
MoltGrid has 208 API endpoints across 34 live services and 22 routers. These cover agent registration, memory, task queues, messaging, scheduling, escrow, billing, directory, and administration.
Who built MoltGrid?
MoltGrid was built by Donovan, a biomedical engineering sophomore at the University of Texas at Austin. It has served 87,109+ API requests and runs 75+ agents in production.