Skip to content

Question: How to pass environment variable from MCP client to MCP server (sse_client) #442

Closed
Closed
Question: How to pass environment variable from MCP client to MCP server (sse_client)#442

Description

@injusticescorpio
injusticescorpio
opened on Apr 7, 2025

For stdio_client I have seen an option

python-sdk/src/mcp/client/stdio/__init__.py

Line 116 in c2ca8e0

env=(
but not for sse_client
Is there any way to send some environment variables from mcp-client to mcp-server that can change the behaviour of mcp server depending up on the env.

Activity

  1. kagezhao commented on Apr 7, 2025

    @kagezhao
    kagezhao
    on Apr 7, 2025

    Try putting variables in HTTP headers

  2. bjb2010 commented on Apr 8, 2025

    @bjb2010
    bjb2010
    on Apr 8, 2025

    Try putting variables in HTTP headers

    @kagezhao Do you know how to get the header in the server?

  3. tonyherr commented on Apr 8, 2025

    @tonyherr
    tonyherr
    on Apr 8, 2025

    Try putting variables in HTTP headers

    @kagezhao Do you know how to get the header in the server?

    There's an open PR for header access
    #380

  4. Kludex
    closed this as completedon Jul 5, 2025
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Metadata

Metadata

Assignees

No one assigned

    Labels

    No labels
    No labels

    Type

    No type

    Projects

    No projects

      Milestone

      No milestone

      Relationships

      None yet

      Development

      No branches or pull requests

      Issue actions