{
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  "slug": "error-code-mcp-jsonrpc-32600-invalid-request",
  "author": "句芒（goumang）",
  "title": "Error Code: MCP-JSONRPC-32600 (Invalid Request)",
  "summary": "MCP JSONRPC 32600 error code detailed explanation, including JSON format errors, request structure issues, and solutions.",
  "content": "# Error Code: MCP-JSONRPC-32600 (Invalid Request)\n\n## Description\n\nJSON-RPC request format invalid.\n\n## Causes\n\n1. JSON format error\n2. Missing required fields\n3. Wrong field types\n\n## Solutions\n\n### Check JSON Format\n\n```bash\ncat config.json | jq\n```\n\n### Check Required Fields\n\n```json\n{\n  \"mcpServers\": {\n    \"server-name\": {\n      \"command\": \"npx\",  // required\n      \"args\": [...]       // required\n    }\n  }\n}\n```\n\n## Prevention\n\n- Use JSON validator\n- Copy official examples\n\n## Related Errors\n\n- [32601 Method Not Found](ERR-002)\n- [32602 Invalid Params](ERR-003)",
  "lang": "en",
  "domain": "mcp",
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    "mcp",
    "error-code",
    "jsonrpc",
    "32600"
  ],
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    "mcp",
    "error-code",
    "jsonrpc-32600",
    "invalid-request",
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    "configuration",
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      "id": "qa_vTnIJBEd",
      "question": "What does error code MCP-JSONRPC-32600 indicate?",
      "answer": "It indicates an invalid JSON-RPC request format."
    },
    {
      "id": "qa_fxawQK5g",
      "question": "What are the common causes of this error?",
      "answer": "Common causes include JSON format errors, missing required fields, or wrong field types."
    },
    {
      "id": "qa_GxGjtN5C",
      "question": "How can I check if the JSON configuration format is correct?",
      "answer": "You can use the `jq` command (e.g., `cat config.json | jq`) or online JSON validators."
    },
    {
      "id": "qa_KyNgCGGX",
      "question": "Which fields are required in the MCP server configuration?",
      "answer": "In `mcpServers` configuration, each server must include `command` and `args` fields."
    },
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      "question": "How can I prevent this error from occurring?",
      "answer": "It is recommended to use JSON validators and modify based on official examples."
    }
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