Best for
- Developers building AI-native applications
- Teams needing a self-hosted BaaS
- Projects wanting to expose backend capabilities to AI agents
B
Butterbase
Community
AI-native, open-source backend-as-a-service with Postgres, auth, storage, functions, AI gateway, and MCP server.
GitHub source repository ↗
55FMRS · C
Butterbase is a feature-rich open-source BaaS with strong MCP server integration, suitable for developers building AI applications. Its strength lies in its all-in-one backend service, but the open-source version is still young, posing stability risks, and some advanced features are only available to managed users.
Butterbase is an open-source, AI-native backend-as-a-service platform that provides a comprehensive set of backend capabilities: Postgres data plane (with row-level security), serverless functions, LLM gateway, realtime subscriptions, key-value store, file storage, RAG, durable per-key actors, and a built-in Model Context Protocol (MCP) server, enabling AI agents to operate your backend with tools instead of glue code. It supports both self-hosting and managed offerings.
Tools
The tool list has not been reviewed yet.
Setup
- Clone the repository (with submodules):
git clone --recurse-submodules https://github.com/butterbase-ai/butterbase.git - Install dependencies:
npm ci - Copy environment config:
cp .env.example .env - Start the stack:
docker compose -f docker-compose.local.yml up -d - Run database migrations: set environment variables as required and execute
npm run migrate:all - Seed the local dev user:
npm run seed:dev
(The MCP server is available via the npm package @butterbase/mcp or the HTTP endpoint https://api.butterbase.ai/mcp)
claude_desktop_config.json
{
"mcpServers": {
"butterbase": {
"command": "npx",
"args": [
"-y",
"@butterbase/mcp"
],
"env": {
"BUTTERBASE_API_KEY": "bb_sk_..."
}
}
}
}
Fit and risk
Not for
- Non-technical users requiring fully managed services
- Enterprises with high demands for stability and production support
- Scenarios with simple backend needs that only require a single feature
Required permissions
- Requires a Butterbase API key (bb_sk_...) for API access
- If self-hosting, requires Docker and Node.js 22+
- May need to configure infrastructure such as Postgres, Redis, S3/R2
Risks and side effects
- The open-source version is young (v0.2.0) and may have unnoticed bugs
- Some features (e.g., multi-region orchestration, billing) are only in the managed private repo; self-hosted version is limited
- The AI gateway lacks upstream router adapters, requiring custom implementations
Troubleshooting
- Check that the API key is set correctly
- Confirm the service is running (control API health check)
- Inspect Docker logs and Postgres connections
- Ensure database migrations have been executed correctly
Use cases
Building AI-driven applications with rapid backend setup
Providing backend management interfaces for AI agents
Quickly developing, testing, and deploying backend features
Supported clients
Claude DesktopFull support