inspector icon indicating copy to clipboard operation
inspector copied to clipboard

Visual testing tool for MCP servers

Results 207 inspector issues
Sort by recently updated
recently updated
newest added

Adding tests to confirm the behavior when a url with different protocols or ports are passed to `useConnection`. ## Motivation and Context See: https://github.com/modelcontextprotocol/inspector/issues/292 So far I'm unable to repro...

When using the MCP Inspector tool to test the Elasticsearch MCP Server, the connection is established successfully. However, when testing specific functionalities, the following error occurs: ![mmexport1746002595959.png](https://github.com/user-attachments/assets/e6f3477f-5a56-46ae-9a2d-b348bdce869f) `Error: 80C5E20601000000:error:0A00010B:SSL routines:ssl3_get_record:wrong...

This is related to a few recurring issues and recent changes with how the Tools UI is working (or not) in certain scenarios. The intention of this doc is to...

**Is your feature request related to a problem? Please describe.** We just published a new [draft authorization spec](https://modelcontextprotocol.io/specification/draft/basic/authorization). MCP Inspector would benefit from implementing it to ensure that MCP servers...

enhancement
authorization

Without this, you don't have the means to respond to specific `HTTP 401` errors. Right now, on any token validation error that the server responds with `401 Unauthorized` the client...

bug
waiting on submitter
authorization

Is your feature request related to a problem? Please describe. I'm trying to use the MCP Inspector with a local development server, but I'm unsure if the current implementation supports...

enhancement

### Summary I would like to suggest adding a **Request/Response Dump Panel** in the MCP Inspector tool to improve the developer experience during tool testing and debugging. ### Motivation Currently,...

enhancement

I've been trying to run an example from the official repo of Model Context Protocol for Python (https://github.com/modelcontextprotocol/python-sdk). But it keeps giving me `Error in /message route: Error: SSE connection...

Does this support running Java mcp locally? or only node based mcp servers?

question

Add support for manually entering OAuth client information in the UI ## Motivation and Context This PR addresses issue #167 where users encounter errors when connecting to MCP servers that...

enhancement
waiting on submitter
waiting on sdk