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Ed Zynda
e6084b7bd0
Implement Phase 1 of the MCP Tasks spec so long-running tools/call
requests can run asynchronously, survive proxy timeouts, and be
cancelled mid-flight.
- connection pool now advertises mcp.NewTasksCapability() during
initialize and captures the InitializeResult so callers can detect
per-server task support
- new MCPServerConfig.TasksMode (auto|never|always, default auto)
parsed from both new and legacy mcp.json shapes
- ExecuteTool augments tools/call with TaskParams when policy and
capability allow, polls tasks/get / tasks/result until terminal,
and best-effort tasks/cancel on context cancellation
- new MCPToolManager methods: SetTaskConfig, ListServerTasks,
GetServerTask, CancelServerTask
- public SDK surface in pkg/kit: MCPTask, MCPTaskStatus, MCPTaskMode,
MCPTaskProgress, MCPTaskProgressHandler, plus Options fields
(MCPTaskMode, MCPTaskTimeout, MCPTaskTTL, MCPTaskPollInterval,
MCPTaskMaxPollInterval, MCPTaskProgress) and Kit.{List,Get,Cancel}
MCPTask methods
- works around two upstream mcp-go v0.51.0 parser bugs
(ParseCallToolResult rejects task responses; ParseTaskResultResult
looks for content under a non-existent nested key) by decoding the
wire shape directly via the transport
- defaults to MCPTaskModeAuto so servers that don't advertise task
support behave exactly as before
Fixes #21