vinkius-labs/mcp-fusion

v3.1.29 Bugfix

This release fixes issues for SREs watching stability and regressions.

Published 3mo MCP Developer Tools

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✓ No known CVEs patched in this version

Topics

mcp mcp-framework mcp-server model-context-protocol

Summary

AI summary

Fixed SandboxEngine memory overflow bug by rejecting code over 64 KB before isolate creation.

Full changelog

Fixed

Bug #132: SandboxEngine.execute() now rejects code exceeding 64 KB before spawning an isolate — prevents host-side OOM
Bug #133: SandboxEngine now emits telemetry for OUTPUT_TOO_LARGE results — previously skipped, creating observability blind spot
FluentToolBuilder branded ToolResponse cast uses intermediate unknown (TS2352 strict-mode fix)
ServerAttachment debug warnFn now passes error as string matching ErrorEvent interface, includes required step and timestamp fields
StateSyncBuilder._cachedLayer declaration includes explicit | undefined for exactOptionalPropertyTypes compatibility

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About vinkius-labs/mcp-fusion

A TypeScript framework for building production-ready MCP servers with automatic tool discovery, multi-transport support (stdio/SSE/HTTP), built-in validation, and zero-config setup.

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Related context

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Earlier breaking changes

v4.0.0 All packages now published under the `@mcpfusion` npm scope.
v4.0.0 GitHub repository renamed to vinkius-labs/mcpfusion; npm packages under @mcpfusion scope.
v4.0.0 All source code, documentation, CLI output, workflows, and npm packages now use the @mcpfusion scope.