fix: remove MCP server baseURL

[Jing-ze]

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Ⅰ. Describe what this PR did

resolve bug of mcp server base url duplicated

Ⅱ. Does this pull request fix one issue?

Ⅲ. Why don't you add test cases (unit test/integration test)?

Ⅳ. Describe how to verify it

Ⅴ. Special notes for reviews

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 43.72%. Comparing base (ef31e09) to head (a555db5). Report is 419 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2013      +/-   ##
==========================================
+ Coverage   35.91%   43.72%   +7.81%     
==========================================
  Files          69       79      +10     
  Lines       11576    12728    +1152     
==========================================
+ Hits         4157     5565    +1408     
+ Misses       7104     6816     -288     
- Partials      315      347      +32     

see 75 files with indirect coverage changes

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