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 sourceVisual testing tool for MCP servers with web, CLI, and TUI interfaces.
11k
Visual testing tool for MCP servers
Pros
- +Three interfaces: web, CLI, and TUI
- +Supports OAuth and secret storage
- +Active development with v2 line
Cons
- −Requires Node.js >=22.19.0
- −Complex setup for multiple clients
- −Migration from v1 may be needed
Target audience: Developers building or maintaining MCP servers who need to test and debug their implementations.
Related tools
Other open-source tools that share tags with inspector.
LibreChat
MCPMIT
Open-source ChatGPT clone with agents, MCP, multi-model support, and self-hosting.
42k·Self-Hosted AI·Open source
Alternative to
CopilotKit
MIT
Build agent-native apps with generative UI, shared state, and human-in-the-loop workflows across React, Angular, Vue, Re
37k·AI Agents·Open source
Alternative to
mastra
MCPNOASSERTION
Mastra is a TypeScript framework for building AI agents, workflows, and MCP servers.
27k·AI Agents·Open source
Alternative to
nocobase
MCPNOASSERTION
Open-source AI + no-code platform for building business systems with WYSIWYG interface and AI agents.
24k·Other·Open source
activepieces
MCPNOASSERTION
Open-source AI workflow automation with 400+ MCP servers for AI agents, a Zapier alternative.
24k·AI Agents·Open source