MCP Inspector changeddocs/2025-11-25/tools/inspector
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2323A common way to start server packages from [npm](https://npmjs.com) or [PyPI](https://pypi.org).
2424
25<Tabs>
26 <Tab title="npm package">
27 ```bash theme={null}
28 npx -y @modelcontextprotocol/inspector npx <package-name> <args>
29 # For example
30 npx -y @modelcontextprotocol/inspector npx @modelcontextprotocol/server-filesystem /Users/username/Desktop
31 ```
32 </Tab>
25**npm package**
3326
34 <Tab title="PyPI package">
35 ```bash theme={null}
36 npx @modelcontextprotocol/inspector uvx <package-name> <args>
37 # For example
38 npx @modelcontextprotocol/inspector uvx mcp-server-git --repository ~/code/mcp/servers.git
39 ```
40 </Tab>
41</Tabs>
27```bash theme={null}
28npx -y @modelcontextprotocol/inspector npx <package-name> <args>
29# For example
30npx -y @modelcontextprotocol/inspector npx @modelcontextprotocol/server-filesystem /Users/username/Desktop
31```
4232
33**PyPI package**
34
35```bash theme={null}
36npx @modelcontextprotocol/inspector uvx <package-name> <args>
37# For example
38npx @modelcontextprotocol/inspector uvx mcp-server-git --repository ~/code/mcp/servers.git
39```
40
4341#### Inspecting locally developed servers
4442
4543To inspect servers locally developed or downloaded as a repository, the most common
4644way is:
4745
48<Tabs>
49 <Tab title="TypeScript">
50 ```bash theme={null}
51 npx @modelcontextprotocol/inspector node path/to/server/index.js args...
52 ```
53 </Tab>
46**TypeScript**
5447
55 <Tab title="Python">
56 ```bash theme={null}
57 npx @modelcontextprotocol/inspector \
58 uv \
59 --directory path/to/server \
60 run \
61 package-name \
62 args...
63 ```
64 </Tab>
65</Tabs>
48```bash theme={null}
49npx @modelcontextprotocol/inspector node path/to/server/index.js args...
50```
6651
52**Python**
53
54```bash theme={null}
55npx @modelcontextprotocol/inspector \
56 uv \
57 --directory path/to/server \
58 run \
59 package-name \
60 args...
61```
62
6763Please carefully read any attached README for the most accurate instructions.
6864
6965## Feature overview
7066
71<Frame caption="The MCP Inspector interface">
72 <img src="https://mintcdn.com/mcp/4ZXF1PrDkEaJvXpn/images/mcp-inspector.png?fit=max&auto=format&n=4ZXF1PrDkEaJvXpn&q=85&s=83b12e2a457c96ef4ad17c7357236290" width="2888" height="1761" data-path="images/mcp-inspector.png" />
73</Frame>
67
7468
7569The Inspector provides several features for interacting with your MCP server:
7670
from line 123
129123
130124## Next steps
131125
132<CardGroup cols={2}>
133 <Card title="Inspector Repository" icon="github" href="https://github.com/modelcontextprotocol/inspector">
134 Check out the MCP Inspector source code
135 </Card>
126> **[Inspector Repository](https://github.com/modelcontextprotocol/inspector)**
127>
128> Check out the MCP Inspector source code
136129
137 <Card title="Debugging Guide" icon="bug" href="/docs/2025-11-25/tools/debugging">
138 Learn about broader debugging strategies
139 </Card>
140</CardGroup>
130> **[Debugging Guide](/docs/2025-11-25/tools/debugging)**
131>
132> Learn about broader debugging strategies
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