feat(agent): Support SSL/TLS for MCP

[fangyinc]

Description

• Support SSL/TLS for MCP
• Fix tool emply list bug

How Has This Been Tested?

  # Default ssl_verify is True
  tools = MCPToolPack(
      "https://your_ssl_domain/sse",
  )

  # Set the default ssl_verify to False to disable ssl verify
  tools2 = MCPToolPack(
      "https://your_ssl_domain/sse", default_ssl_verify=False
  )

  # With Custom CA file
  tools3 = MCPToolPack(
      "https://your_ssl_domain/sse", default_ssl_cafile="/path/to/your/ca.crt"
  )

  # Set the ssl_verify for each server
  import ssl

  tools4 = MCPToolPack(
      "https://your_ssl_domain/sse",
      ssl_verify={
          "https://your_ssl_domain/sse": ssl.create_default_context(
              cafile="/path/to/your/ca.crt"
          ),
      },
  )

Snapshots:

Webpage:

Checklist:

• My code follows the style guidelines of this project
• I have already rebased the commits and make the commit message conform to the project standard.
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• Any dependent changes have been merged and published in downstream modules

[chenliang15405]

LGTM

[Aries-ckt]

LGTM

[yyhhyyyyyy]

LGTM