Closes: Part of#1428

Description

Migrates thediscussions toolset frommark3labs/mcp-go tomodelcontextprotocol/go-sdk.

Changes

Tool Function Signatures

• Return type:(mcp.Tool, server.ToolHandlerFunc) →(mcp.Tool, mcp.ToolHandlerFor[map[string]any, any])
• Handler signature:func(ctx, request) (*result, error) →func(ctx, *request, args) (*result, any, error)

Schema Definitions

• Converted from DSL to explicit JSON Schema structures:

// Beforemcp.NewTool("list_discussions",mcp.WithString("owner",mcp.Required(),mcp.Description("...")),mcp.WithString("repo",mcp.Description("...")),)// Aftermcp.Tool{Name:"list_discussions",InputSchema:&jsonschema.Schema{Type:"object",Properties:map[string]*jsonschema.Schema{"owner": {Type:"string",Description:"..."},"repo": {Type:"string",Description:"..."},        },Required: []string{"owner"},    },}

Parameter Extraction

• Changed fromrequest.Params.Arguments to directargs map[string]any parameter
• Result helpers moved toutils package:utils.NewToolResultError(),utils.NewToolResultText()

Test Updates

• Handler calls:handler(ctx, req) →handler(ctx, &req, reqParams)
• Capture 3 return values:res, _, err := handler(...)
• Addedtoolsnaps.Test() calls for schema validation
• CastInputSchema to*jsonschema.Schema for property access

Migrated Tools

• list_discussions
• get_discussion
• get_discussion_comments
• list_discussion_categories

All 4 toolsnap files created and validated.

Custom agent used: go-sdk-tool-migrator
Agent specializing in migrating MCP tools from mark3labs/mcp-go to modelcontextprotocol/go-sdk

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