M
MCP Inspector
Visual testing and debugging tool for MCP servers — 9K+ stars
Open SourceFree
Install
npx @modelcontextprotocol/inspectorAbout
The official visual testing tool for MCP servers. Provides an interactive UI to connect to any MCP server, browse available tools/resources/prompts, test tool calls with parameters, and inspect responses. Essential for developing and debugging custom MCP servers.
Details
| Capabilities | server-testing, tool-inspection, debugging, protocol-validation |
| Transport | stdio, sse |
| Compatible Clients | any-mcp-server |
Tags
mcpdebuggingtestingdeveloper-toolsinspector
Quick Info
- Organization
- Model Context Protocol
- Pricing
- open-source
- Free Tier
- Yes
- Updated
- Apr 1, 2026
9.3Ktoday132
Also in MCP Servers
B
Browser MCP Agent
MCP agent that controls web browsers for automated browsing and data extraction
OSSFree
Shubham Saboo
104.2Ktoday74
C
Context7
Up-to-date library documentation injected directly into your AI coding context
OSSFree
Upstash
51.3K35.0K/wtoday114
F
Filesystem MCP
Secure local filesystem access — read, write, search, and manage files via MCP
OSSFree
Anthropic
82.7K19.0K/w3d ago430