Top Free MCP Servers 2026
Not all MCP servers require API keys or subscriptions. Many powerful servers are completely free and work out-of-the-box with Claude Desktop.
This guide covers the 15 best free MCP servers you can install today — no credit card required.
Why Free MCP Servers Matter
- No API keys: Install and use immediately
- No subscriptions: Zero ongoing costs
- Full functionality: Not limited trial versions
- Great for learning: Test MCP without financial commitment
Top 10 Free MCP Servers
1. Filesystem
Official Anthropic server
Secure file operations with sandboxed directory access. Read, write, move, and search files locally.
Perfect for: Code refactoring, file management, project organization
2. Git
Official Anthropic server
Local Git operations. Commit changes, create branches, review diffs, and manage history.
Perfect for: Version control, commit automation, branch management
3. Memory
Official Anthropic server
Persistent memory across conversations. Store facts, preferences, and context between sessions.
Perfect for: Long-term projects, personal assistant use cases
4. Time
Official Anthropic server
Current time, date, timezone conversions, and scheduling. No external dependencies.
Perfect for: Date calculations, scheduling, time zone math
5. Calculator
Community server
Advanced calculations, unit conversions, and mathematical operations.
Perfect for: Math, physics, engineering calculations
6. SQLite
Official Anthropic server
Local database queries. Create, query, and manage SQLite databases without external servers.
Perfect for: Local data analysis, prototyping, small apps
7. Sequential Thinking
Official Anthropic server
Enhanced reasoning for complex problems. Breaks down multi-step tasks systematically.
Perfect for: Problem-solving, planning, decision-making
8. Obsidian
Community server
Access and manage your Obsidian vault. Create notes, search content, manage tags.
Perfect for: Knowledge management, note-taking, PKM workflows
9. Apple Notes
Community server
Read and create Apple Notes. Search across folders and manage your note library.
Perfect for: Mac users, quick capture, cross-device sync
10. Everything Search
Community server (Windows)
Lightning-fast file search using Everything. Find files instantly across your entire PC.
Perfect for: Windows power users, file discovery
Honorable Mentions (Require Setup)
These servers are free but require local software installation:
- Docker — Requires Docker Desktop (free)
- Kubernetes — Requires k8s cluster (free with Minikube)
- Terraform — Requires Terraform CLI (free)
- Homebrew — Mac package manager (free)
- Raspberry Pi GPIO — Requires Pi hardware
Free But Need API Keys (Still No Cost)
These servers are free to use but require free API keys:
- Brave Search — Free API key (2K queries/month)
- DuckDuckGo Search — No key needed, completely free
- Wikipedia — No key needed
Installation Tips
All free servers install the same way:
- Find the install command on the server page
- Add to
claude_desktop_config.json - Restart Claude Desktop
- Verify in Tools > MCP Servers
Example config:
"mcpServers": {
"filesystem": {
"command": "npx",
"args": ["-y", "@modelcontextprotocol/server-filesystem", "/Users/you/Projects"]
},
"git": {
"command": "npx",
"args": ["-y", "@modelcontextprotocol/server-git"]
}
}
}
Best Free Starter Pack
Recommended first installs (zero cost):
- Filesystem — File access
- Git — Version control
- Memory — Persistent context
- Time — Scheduling
- SQLite — Local database
These 5 servers cover 80% of common tasks and cost nothing.
Why Some Servers Aren't Free
Servers that access external services (GitHub, AWS, databases) require:
- API keys: Authentication for third-party services
- Subscriptions: Paid tiers of external platforms
- Infrastructure: Cloud resources, storage, compute
But many powerful local-only servers (filesystem, git, memory, time) work completely offline.