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Compare scores, permissions, risks, and fit in one decision-focused table.

DimensionButterbaseAI-native, open-source backend-as-a-service with Postgres, auth, storage, functions, AI gateway, and MCP server.Nextcloud MCP ServerA production-ready MCP server that connects AI assistants to your Nextcloud instance.
FMRS55 / 100 · C67 / 100 · C
Reliability7 / 2010 / 20
Security and permissions11 / 2012 / 20
Maintenance15 / 2016 / 20
Documentation13 / 2016 / 20
Setup experience9 / 2013 / 20
Best for
  • Developers building AI-native applications
  • Teams needing a self-hosted BaaS
  • Projects wanting to expose backend capabilities to AI agents
  • Users who want to integrate AI assistants (like Claude Desktop or IDEs) with a self-hosted Nextcloud instance.
  • Developers and power users who need deep CRUD operations across multiple Nextcloud apps.
  • Teams that prefer Docker or Kubernetes deployment.
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
  • Users who don't want to self-host (consider managed service Astrolabe Cloud).
  • Users who need only simple read-only access (this server is more comprehensive).
  • Users who require official support (it is not an official Nextcloud project).
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
  • Requires a Nextcloud username and app password (or OAuth).
  • Read/write access to the selected Nextcloud apps (Notes, Calendar, Contacts, Files, etc.).
  • For semantic search, needs external services: Qdrant and Ollama (disabled by default).
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
  • Credential storage with app passwords may pose a security risk if exposed.
  • The server can access a user's full Nextcloud data, so proper access controls are necessary.
  • Experimental semantic search relies on external services, which may introduce security and privacy issues.
  • Tag-based exclusion (EXCLUDED_TAGS) depends on system tags to hide sensitive files, misconfiguration could expose data.
Supported clientsClaude DesktopClaude Desktop
Tools013