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refactor!: replace mcp-go with the official MCP Go SDK

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- Swap the mark3labs MCP dependency for modelcontextprotocol/go-sdk v1.7.0
- Add a declarative tool definition and JSON Schema builder to the tool package
- Adapt registered tools to the official low-level handler, recovering panics and mapping failures to JSON-RPC errors
- Narrow tool handlers to take a plain argument map instead of an SDK request type
- Rewire stdio and HTTP transports onto the official server, moving Authorization parsing into receiving middleware
- Add a golden contract test that locks the exposed tool schemas, plus SDK integration and helper tests
- Add a test target and run it in the pull request workflow

BREAKING CHANGE: The exported helpers change signature. Tool.RegisterRead and
Tool.RegisterWrite now take tool.ServerTool instead of server.ServerTool, and the
annotation constructors return *mcp.ToolAnnotations from the official SDK. Callers
must build tool definitions with tool.NewDefinition and handlers with the
func(context.Context, map[string]any) signature.

The 30-second SSE heartbeat is removed because the official SDK has no equivalent.
ServerOptions.KeepAlive is deliberately not used as a substitute, since it sends MCP
ping requests and ping is removed in protocol 2026. HTTP stays stateless=false, so
new clients negotiate at most 2025-11-25.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
This commit is contained in:
Bo-Yi Wu
2026-08-02 21:30:19 +08:00
parent 290d06b40b
commit 80c8b25d6e
49 changed files with 5277 additions and 1528 deletions
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pkg/annotation/annotation.go
+11 -13
View File
@@ -1,18 +1,16 @@
package annotation
import "github.com/mark3labs/mcp-go/mcp"
import "github.com/modelcontextprotocol/go-sdk/mcp"
func ReadOnly(title string) mcp.ToolAnnotation {
func ReadOnly(title string) *mcp.ToolAnnotations {
return &mcp.ToolAnnotations{Title: title, ReadOnlyHint: true}
}
func Write(title string) *mcp.ToolAnnotations {
return &mcp.ToolAnnotations{Title: title}
}
func Destructive(title string) *mcp.ToolAnnotations {
t := true
return mcp.ToolAnnotation{Title: title, ReadOnlyHint: &t}
}
func Write(title string) mcp.ToolAnnotation {
f := false
return mcp.ToolAnnotation{Title: title, ReadOnlyHint: &f}
}
func Destructive(title string) mcp.ToolAnnotation {
f, t := false, true
return mcp.ToolAnnotation{Title: title, ReadOnlyHint: &f, DestructiveHint: &t}
return &mcp.ToolAnnotations{Title: title, DestructiveHint: &t}
}