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      "text": "MCP: one tool call, three roles",
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    {
      "type": "text",
      "text": "Example: “Summarize issue PROJ-42”",
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    {
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      "text": "speaks the protocol",
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      "type": "text",
      "text": "reads the issue API",
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      "text": "1  Call read_issue",
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    {
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      "text": "2  tools/call",
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      "text": "3  Issue data",
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      "text": "4  Result for answer",
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      "text": "The host decides what to show and checks the result.",
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