modelcontextprotocol / ruby-sdk
The official Ruby SDK for the Model Context Protocol servers and clients.
Why this job: topics: mcp-server, mcp-client, mcp, model context protocol
What it does
- Build MCP servers that expose tools, prompts, and resources to any MCP host, with OAuth 2.1 resource-server protection
- Build MCP clients that connect to any MCP server, with automatic lifecycle negotiation and OAuth 2.1 authorization
- Speak every standard transport. stdio and Streamable HTTP (including SSE), with a Rails integration
- Cover the full protocol surface. server-to-client requests, multi round-trip requests, notifications, progress, logging, cancellation, completions, and pagination
Get started
No single install command. Read the steps in the README (opens in new tab)
- Maintenance
- Active
- Last commit yesterday
- Stars
- 949
- +8 this week
- Licence
- Custom
- Read before business use
- Downloads for
- None listed
- No release files
- Latest version
- v1.9.0
- Released 7 days ago
- Built with
- Ruby
- 100% of the code
Is it looked after?
- Contributors
- 4
- Last 90 days
- Issues
- 97% closed
- 3 still open
- Pull requests
- 525 merged
- 3 waiting
- Releases
- 42
- 30+ in the last year
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More: languages, topics and project record
Languages
- Ruby 100%
- Shell <1%
Topics
- ruby
- mcp
- mcp-server
- mcp-client
Project record
- JobMCP servers
- StatusListed
- Commits1,113
- Forks143
- Watching18
- Stars in 28 days+26
- CreatedFeb 27, 2025
- First seen by usNov 7, 2026
- CheckedNov 10, 2026