SEP-1686: Tasks Support

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1. Read the whole issue, then the project's contributing guide.
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3. Fork the repository and make your change on a branch.
4. Open a pull request that references the issue number.

More from modelcontextprotocol/java-sdk

• SSE client silently truncates a data: line at U+2028/U+2029/U+0085, then fails with "Error parsing JSON-RPC message" Open
  area/transport bug P2

  Difficulty 2/5 1-3 hours Newbie friendliness 88/100

  modelcontextprotocol/java-sdk#1136 · Opened Sep 18, 2026

• Client request handlers that complete empty send no JSON-RPC response Open
  area/client bug P2

  Difficulty 2/5 1-3 hours Newbie friendliness 84/100

  modelcontextprotocol/java-sdk#1124 · 1 comment · Opened Sep 3, 2026

• ServerCapabilities.logging is added unconditionally, overriding the caller's explicit capabilities Open
  bug P2 ready for work

  Difficulty 2/5 1-3 hours Newbie friendliness 68/100

  modelcontextprotocol/java-sdk#1086 · 1 comment · Opened Aug 11, 2026

• Reject listRoots if not supported by client, without sending any request Open
  enhancement good first issue P3

  Difficulty 2/5 1-3 hours Newbie friendliness 82/100

  modelcontextprotocol/java-sdk#1067 · Opened Jul 19, 2026

• StdioClientTransport missing explicit UTF-8 charset in InputStreamReader (same issue as #295, but on client side) Open
  bug P2 ready for work

  Difficulty 2/5 1-3 hours Newbie friendliness 74/100

  modelcontextprotocol/java-sdk#898 · 1 comment · Opened Apr 2, 2026

All issues in modelcontextprotocol/java-sdk

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