vinkius-labs/mcp-fusion

v3.7.12 Bugfix

This release fixes issues for SREs watching stability and regressions.

Published 2mo 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 autoDiscover dedup logic to correctly register all router actions instead of dropping duplicates.

Full changelog

Fixed

autoDiscover name-based dedup blocks router action merging (Bug #129) — When a single file exports multiple action builders from the same router, all builders return the same getName() value. The dedup logic used Set<string> keyed by getName(), so only the first builder was registered. For a router with 7 actions, only 1 was visible to the LLM. Fixed by changing dedup from name-based to reference-based (Set<ToolBuilderLike>).

Test Suite

3 new regression tests in autoDiscoverRouterDedup-bug129.test.ts
3 updated tests in LowBugs-129-130-131.test.ts aligned with new behavior

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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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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.