vinkius-labs/mcp-fusion

v3.1.27 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 guard against empty action names in GroupedToolBuilder.

Full changelog

Bug Fixes (14 fixes: #115-#128)

MEDIUM

#115 GroupedToolBuilder: guard empty action names
#116 ExecutionPipeline: INVALID_DISCRIMINATOR check for non-string typeof
#117 PromptRegistry.clear(): clear interceptors + cancel debounce timer

LOW

#118 FluentToolBuilder._addParam(): reject duplicate param names
#119 FluentRouter.use(): type-narrowing overloads for MiddlewareDefinition
#120 injectLoopbackDispatcher: return type TContext & LoopbackContext
#121 FluentToolBuilder._addParam(): reject empty param names
#122 FluentToolBuilder constructor: reject empty tool names
#123 FluentToolBuilder: double handle() guard via _handlerSet flag
#124 FluentToolBuilder.annotations(): merge instead of replace
#125 ActionGroupBuilder: typeof guard before non-null assertion
#126 FluentRouter._createBuilder(): remove dead branch
#127 ToolResponse: TOOL_RESPONSE_BRAND symbol on all 5 response helpers
#128 DevServer: Linux + Node < 20 warning before recursive fs.watch()

Full Changelog: https://github.com/vinkius-labs/mcp-fusion/compare/v3.1.26...v3.1.27

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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.