LibreChat
MCPMIT
Self-hosted ChatGPT alternative with multi-model support, agents, MCP tools, and code interpreter.
45k·Self-Hosted AI·Open source
Alternative to
inspector
MCPOpen sourceOpen-source testing & evaluation platform for MCP server developers to inspect, debug, and run evals across clients.
2.1kNOASSERTION
Testing and evaluation platform to chat, inspect, and debug MCP servers, MCP apps, and ChatGPT apps.
Pros
- +Cross-client testing across 16 client configurations and 170+ models
- +Comprehensive debugging with full JSON-RPC traces and OAuth debugger
- +CI/CD integration for automated conformance and regression checks
- +Includes CLI and SDK for programmatic testing
Cons
- −May have a learning curve for advanced features like evals and OAuth
- −Hosted app may require account for some features
- −Focus on MCP servers may not suit non-MCP developers
Target audience: MCP server developers who need to test, debug, and evaluate their servers across multiple client environments.
Related tools
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LibreChat
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mastra
MCPNOASSERTION
Mastra is a TypeScript framework for building AI agents, workflows, and MCP servers.
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nocobase
MCPNOASSERTION
Open-source AI + no-code platform for building business systems with WYSIWYG interface and AI agents.
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activepieces
MCPNOASSERTION
Open-source AI workflow automation with 400+ MCP servers for AI agents, a Zapier alternative.
24k·AI Agents·Open source