Sourced from github.com/mark3labs/mcp-go's releases.

Release v0.30.0

What's Changed

• Feat: Impl Server-Side Streamable HTTP transport by @​leavez in mark3labs/mcp-go#273
• Support customize request header by @​dugenkui03 in mark3labs/mcp-go#315
• docs: add regeneration instructions by @​pmenglund in mark3labs/mcp-go#309
• docs(examples): correct use of GetArguments by @​jamietanna in mark3labs/mcp-go#316
• fix: avoid painc caused by writing to closed channel by @​cryo-zd in mark3labs/mcp-go#318
• docs: use helper functions and return error as result by @​pottekkat in mark3labs/mcp-go#322
• Update README.md by @​dugenkui03 in mark3labs/mcp-go#323
• Feat(prompts): add DeletePrompts method to MCPServer by @​God-Jay in mark3labs/mcp-go#320
• Scaffold documentation site by @​ezynda3 in mark3labs/mcp-go#324
• Docs by @​ezynda3 in mark3labs/mcp-go#325
• feat: Implement OAuth in the client by @​ezynda3 in mark3labs/mcp-go#296
• feat(server): persist client info in sessions by @​ShawkyZ in mark3labs/mcp-go#313

New Contributors

• @​pmenglund made their first contribution in mark3labs/mcp-go#309
• @​jamietanna made their first contribution in mark3labs/mcp-go#316
• @​God-Jay made their first contribution in mark3labs/mcp-go#320
• @​ShawkyZ made their first contribution in mark3labs/mcp-go#313

Full Changelog: https://github.com/mark3labs/mcp-go/compare/v0.29.0...v0.30.0

Release v0.29.0

What's Changed

• refactor: make CallToolRequest.Arguments more flexible (Breaking Change) by @​ezynda3 in mark3labs/mcp-go#287
• Drop unused fields from server.sseSession by @​ggoodman in mark3labs/mcp-go#303
• chore: remove unused variables and type arguments by @​pottekkat in mark3labs/mcp-go#302
• chore(Srv/stdio): duplicated setting of ErrorLogger by @​cryo-zd in mark3labs/mcp-go#306
• fix: handle the situation where the channel is closed by @​button-chen in mark3labs/mcp-go#304

Breaking Changes

In v0.29.0, MCP-Go introduces breaking changes to tool request handling. The main change is that request.Params.Arguments is no longer directly accessible as a map. Instead, you must use the new GetArguments() method to retrieve arguments as a map. For type-safe argument access, new helper methods like RequireString(), RequireFloat(), and RequireBool() have been added. To migrate:

1. Replace direct access to request.Params.Arguments["key"] with request.GetArguments()["key"]
2. For better type safety, use the new helper methods: request.RequireString("key"), request.RequireFloat("key"), etc.
3. For complex argument structures, use the new BindArguments() method with a struct, or try the new typed tool handlers with mcp.NewTypedToolHandler() as shown in the new examples/typed_tools example.

New Contributors

• @​ggoodman made their first contribution in mark3labs/mcp-go#303
• @​button-chen made their first contribution in mark3labs/mcp-go#304

Full Changelog: https://github.com/mark3labs/mcp-go/compare/v0.28.0...v0.29.0

Release v0.28.0

What's Changed

• feat(tools): implicitly register capabilities by @​david-hamilton-glean in mark3labs/mcp-go#292
• fix: Gate notifications on capabilities by @​david-hamilton-glean in mark3labs/mcp-go#290
• feat(protocol): allow additional fields in meta by @​anuraaga in mark3labs/mcp-go#293
• fix: type mismatch for request/response ID by @​pottekkat in mark3labs/mcp-go#291

... (truncated)

• 9e6ccca Formatting
• 2c8bf2b feat(server): persist client info in sessions (#313)
• 0c3f535 feat: Implement OAuth in the client (#296)
• 617c676 update
• 5a1d3fe add basePath
• 76f6985 add baseUrl
• f101569 Docs (#325)
• 563a9c7 Scaffold documentation site (#324)
• 820b7a6 Feat(prompts): add DeletePrompts method to MCPServer (#320)
• 3cdeb89 Update README.md (#323)
• Additional commits viewable in compare view

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