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[Bug]: Issue with the MCP configuration in Cursor #201

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Closed
1 of 11 tasks
shashank-yelluri opened this issue May 5, 2025 · 3 comments
Closed
1 of 11 tasks

[Bug]: Issue with the MCP configuration in Cursor #201

shashank-yelluri opened this issue May 5, 2025 · 3 comments

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@shashank-yelluri
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shashank-yelluri commented May 5, 2025 •
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App

  • Cursor
  • Windsurf
  • VSCode
  • VSCode Insiders
  • Claude Desktop
  • Other

Affected Models (if applicable)

  • Claude 3.5 Sonnet
  • Claude 3.7 Sonnet
  • GPT-4a
  • o4-mini
  • Other

Bug Description

Hello Team,

"MongoDB": {
      "command": "npx",
      "args": [
        "-y",
        "mongodb-mcp-server",
        "--connectionString",
        "mongodb://<username>:<password>@localhost:27017/<db-name>?directConnection=true"
      ],
      "env": {
        "PATH": "/opt/homebrew/bin/npx"
      }
    }

Tried to configure the MCP server w / wo env. In both the cases, we are not being able to get the connection up & running. It says, "Client Closed" and these are the errors from the "Output > Cursor MCP",

2025-05-05 23:59:19.996 [info] goDB: Handling CreateClient action
2025-05-05 23:59:19.997 [info] goDB: Starting new stdio process with command: npx -y mongodb-mcp-server --connectionString mongodb://shashank:Greesh#123@localhost:27017/xcrosit-db?directConnection=true
2025-05-05 23:59:20.516 [info] goDB: Client closed for command
2025-05-05 23:59:20.516 [error] goDB: Error in MCP: Client closed
2025-05-05 23:59:20.516 [info] -mcp: Handling ListOfferings action
2025-05-05 23:59:20.516 [info] -mcp: Listing offerings
2025-05-05 23:59:20.516 [info] -mcp: Connected to stdio server, fetching offerings
2025-05-05 23:59:20.517 [error] user-clickup-mcp: [05/05/25 23:59:20] INFO     Processing request of type            server.py:534
                             ListToolsRequest                                   

2025-05-05 23:59:20.518 [info] listOfferings: Found 3 tools
2025-05-05 23:59:20.518 [info] -mcp: Found 3 tools, 0 resources, and 0 resource templates
2025-05-05 23:59:20.521 [info] -mcp: Handling ListOfferings action
2025-05-05 23:59:20.521 [info] -mcp: Listing offerings
2025-05-05 23:59:20.521 [info] -mcp: Connected to stdio server, fetching offerings
2025-05-05 23:59:20.522 [info] listOfferings: Found 3 tools
2025-05-05 23:59:20.522 [info] -mcp: Found 3 tools, 0 resources, and 0 resource templates
2025-05-05 23:59:20.523 [info] ext7: Handling ListOfferings action
2025-05-05 23:59:20.523 [info] ext7: Listing offerings
2025-05-05 23:59:20.523 [info] ext7: Connected to stdio server, fetching offerings
2025-05-05 23:59:20.523 [info] listOfferings: Found 2 tools
2025-05-05 23:59:20.523 [info] ext7: Found 2 tools, 0 resources, and 0 resource templates
2025-05-05 23:59:20.524 [info] goDB: Handling ListOfferings action
2025-05-05 23:59:20.524 [error] goDB: No server info found

Note: We have tunnel to a different server and opened the port of 27017 to make a connection. We are making sure that port is open and tried verifying by establishing a connection through simple code. Assuming that nothing would impact due to this.

Please help us understand what exactly is going wrong here ? Also, if anyone is able to configure the MCP server in Cursor, please do help me.

Thank You!!
@shashank-yelluri shashank-yelluri changed the title [Bug]: [Bug]: Issue with MCP config in Cursor May 5, 2025
@shashank-yelluri shashank-yelluri changed the title [Bug]: Issue with MCP config in Cursor [Bug]: Issue with the MCP configuration in Cursor May 5, 2025
@shashank-yelluri
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Author

JFYI - Took down a step and tried with the local DB (no tunnelin), still the error remains the same.

@nirinchev
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Collaborator

Hey, can you try running the npx command directly in your terminal (as opposed to going through Cursor)? That should give us the details of the connection issue.

@shashank-yelluri
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Author

@nirinchev - Thank You. But things worked just now, by removing the username & password. Not sure on the reason 😬

"MongoDB": {
      "command": "npx",
      "args": [
        "-y",
        "mongodb-mcp-server",
        "--connectionString",
        "mongodb://localhost:27017/<db-name>?directConnection=true"
      ]
    }

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@nirinchev @shashank-yelluri