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inmodelcontextprotocol/typescript-sdk (press backspace or delete to remove)

If a server is hosted on: http://localhost:3000/mcp The PRM document is made available on: http://localhost:3000/.well-known/oauth-protected-resource However, if we follow the RFC 9728, it should be: ...
bug
  • localden
  • Opened 
    2 minutes ago
  • #865

Support Azure for Enterprise Adoption - With MCP SDK, Azure AD cannot be used as the Authorisation Server (AS) as Azure: - Does not advertise PKCE in AS metadata - Uses scope param instead ...
enhancement
  • 2underscores
  • Opened 
    20 hours ago
  • #862

Describe the bug There is a mismatch in type of Transport and StreamableHTTPClientTransport To Reproduce Typescript compilation is failing Expected behavior StreamableHTTPClientTransport should implement ...
bug
  • utkarshpandey6
  • Opened 
    yesterday
  • #861

Hi team, I ran into an inconsistency that I believe is worth discussing, unless I am missing something on my side. Bug Description According to MCP Spec: MCP servers MUST implement OAuth 2.0 Protected ...
bug
  • shays10
  • Opened 
    yesterday
  • #860

Describe the bug Streamable HTTP is silently failing when trying to execute a feature that is only supported if sessions are enabled. Guilty code here: https://github.com/modelcontextprotocol/typescript-sdk/blob/a1608a6513d18eb965266286904760f830de96fe/src/server/streamableHttp.ts#L665-L685 ...
bug
  • KKonstantinov
  • 3
  • Opened 
    3 days ago
  • #857

Is your feature request related to a problem? Please describe. I am finding it hard to develop with this library :( Describe the solution you d like API Docs? I could not find any Describe alternatives ...
enhancement
  • OscarSaharoy
  • Opened 
    4 days ago
  • #854

When using the MCP TypeScript SDK as a client in browser environments (e.g., React or Hugging Face), the mcp-session-id header returned by the server is not reused in subsequent requests. This results ...
bug
  • christopherorea
  • 1
  • Opened 
    4 days ago
  • #852

Describe the bug Unable to use async callbacks for tools/resources with Streamable HTTP transport. To Reproduce Steps to reproduce the behavior: Define tool/resource that takes async function as callback. ...
bug
  • iMokhonko
  • 1
  • Opened 
    5 days ago
  • #848

Is your feature request related to a problem? Please describe. I would like to be able to horizontally scale my MCP server while using streamable HTTP. Right now, it seems like there is a pick-your poison ...
enhancement
  • fschoenberger
  • 1
  • Opened 
    6 days ago
  • #843

Problem Description When registering many tools dynamically (80+ tools), the MCP SDK triggers EventEmitter memory leak warnings due to individual sendToolListChanged() calls per tool registration. Root ...
  • cameroncooke
  • Opened 
    6 days ago
  • #842
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