Sourced fromgithub.com/mark3labs/mcp-go's releases.

Release v0.37.0

⚠️ Breaking Changes

TheResult.Meta field type has changed frommap[string]any to*Meta. Code that directly accesses or sets this field will need to be updated:

// Before (v0.36.0 and earlier):result.Meta=map[string]any{"key":"value"}// After (v0.37.0):result.Meta=&mcp.Meta{AdditionalFields:map[string]any{"key":"value"}}

What's Changed

• Replace Prompts/Resources/Resource Templates by@​dgageot inmark3labs/mcp-go#518
• Update server.go race condition by@​outofthisworld inmark3labs/mcp-go#524
• task: add _meta field to relevant types as defined in MCP specification by@​buraksenn inmark3labs/mcp-go#429
• feat: implement sampling support for Streamable HTTP transport by@​andig inmark3labs/mcp-go#515
• Fix SSE transport not properly handling HTTP/2 NO_ERROR disconnections by@​okoshi-f inmark3labs/mcp-go#509
• feat: add thread-safeSetExpectedState for cross-request OAuth flows by@​sd2k inmark3labs/mcp-go#500
• feat: allow to set a custom logger in the SSE and STDIO clients by@​caarlos0 inmark3labs/mcp-go#525

New Contributors

• @​outofthisworld made their first contribution inmark3labs/mcp-go#524
• @​buraksenn made their first contribution inmark3labs/mcp-go#429
• @​andig made their first contribution inmark3labs/mcp-go#515
• @​okoshi-f made their first contribution inmark3labs/mcp-go#509
• @​caarlos0 made their first contribution inmark3labs/mcp-go#525

Full Changelog:mark3labs/mcp-go@v0.36.0...v0.37.0

• 6da5cd1 feat: allow to set a custom logger in the SSE and STDIO clients (#525)
• 9259d32 feat: add thread-safeSetExpectedState for cross-request OAuth flows (#500)
• a63f10e Fix SSE transport not properly handling HTTP/2 NO_ERROR disconnections (#509)
• fda6b38 feat: implement sampling support for Streamable HTTP transport (#515)
• 6e5d6fd fix unmarshalling error for Meta property
• 57740b6 task: add _meta field to relevant types (#429)
• 96de112 Update server.go race condition (#524)
• 4cca302 Replace Prompts/Resources/Resource Templates (#518)
• See full diff incompare view

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