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aiDownloadAny / model-agnosticLicense: My own work (all rights reserved)

MCP servers

Created by CodeCraft LLC

Build, advise on, and review Model Context Protocol (MCP) servers

Product and technology names are trademarks of their respective owners, used only to identify what this skill covers. CodeCraft LLC is not affiliated with or endorsed by them.

by Jace (@jamick)v2.0.0 · updated 2026-10-03Report copyright infringement

Description

Build, advise on, and review Model Context Protocol (MCP) servers — tool/resource/prompt design, input and output schemas, tool descriptions that models use correctly, annotations (read-only/destructive hints), transports (stdio vs Streamable HTTP), remote-server authorization (OAuth-based, audience validation, no token passthrough), per-user authorization inside tools, output size and pagination, error results, prompt-injection-safe tool output, rate limiting, logging, and hosting in Next.js/serverless (e.g. mcp-handler). Use whenever @modelcontextprotocol/* or mcp-handler is installed, the user builds or reviews an MCP server or tool, exposes their app to AI agents, or debugs an MCP client connection.

#ai#mcp#server

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Changelog

v2.0.0Oct 3, 2026Latest

Changed

  • Checked against the official documentation (October 2026).
  • Updated for the 2026-07-28 specification, where MCP became stateless: no initialize handshake or sessions, per-request version negotiation, mandatory server/discover, subscriptions/listen, Multi Round-Trip Requests replacing server-initiated sampling/elicitation, resultType on all results, removed stream resumability, ping and logging/setLevel; tasks moved to an extension.
  • Added caching fields (ttlMs, cacheScope), deterministic tools/list order, JSON Schema 2020-12 schemas, new error codes, and authorization changes (Client ID Metadata Documents preferred, RFC 9207 iss validation).
  • Added the deprecation table (Roots, Sampling, Logging, Dynamic Client Registration, HTTP+SSE) with migration paths.
  • Added 4 pitfalls and 5 review checklist items.
v1.0.1Oct 3, 2026

Changed

  • Added a trademark notice to the README.
v1.0.0Oct 2, 2026

Added

  • First release.