building-mcp-servers
Installation
SKILL.md
Building MCP Servers
Reference guide for Model Context Protocol server development (January 2026). Covers TypeScript, Python, and C# implementations with Streamable HTTP transport.
Quick Reference
| Language | Package | Version | Transport |
|---|---|---|---|
| TypeScript | @modelcontextprotocol/sdk |
1.25.1 | StreamableHTTPServerTransport |
| Python | mcp |
1.25.0 | transport="streamable-http" |
| C# | ModelContextProtocol.AspNetCore |
0.6.0-preview | .WithHttpTransport() |
Transport Status
| Transport | Status | Use Case |
|---|---|---|
| stdio | Supported | Local/CLI (Claude Desktop, Cursor) |
| Streamable HTTP | Recommended | Remote servers, production |
| SSE | Deprecated | Legacy only |