MCP Server Initialization Failure: Enum Tag Validation Error in Tool Registration

<open-swe-issue-content>I’m trying to create a HTTP MCP server w/ the go SDK. 

Please analyze these testing logs:

“host”:
```
fakebizprez@scum-studio: /Users/fakebizprez/Developer/repositories/twentyCRM-MCP-HTTP git:(feature-rich) ✗ 
➜   ./twenty-crm-mcp-server
2025/10/19 03:04:10 Starting Twenty CRM MCP HTTP Server on 0.0.0.0:8080
2025/10/19 03:04:10 MCP endpoint: http://0.0.0.0:8080/mcp
2025/10/19 03:04:22 http: panic serving [::1]:55176: AddTool: tool "create_task": input schema: ForType(tools.CreateTaskInput): tag must not begin with 'WORD=': "enum=TODO,enum=IN_PROGRESS,enum=DONE"
goroutine 38 [running]:
net/http.(*conn).serve.func1()
        /opt/homebrew/Cellar/go/1.25.3/libexec/src/net/http/server.go:1943 +0xb4
panic({0x104763e40?, 0x140003da120?})
        /opt/homebrew/Cellar/go/1.25.3/libexec/src/runtime/panic.go:783 +0x120
github.com/modelcontextprotocol/go-sdk/mcp.AddTool[...](0x140001ce180?, 0x1400003b908, 0x0)
        /Users/fakebizprez/go/pkg/mod/github.com/modelcontextprotocol/go-sdk@v1.0.0/mcp/server.go:400 +0xbc
github.com/linehaul/twenty-crm-mcp-http/internal/tools.RegisterTaskTools(0x140001ce180, 0x140001efd10)
        /Users/fakebizprez/Developer/repositories/twentyCRM-MCP-HTTP/internal/tools/tasks.go:32 +0xb0
github.com/linehaul/twenty-crm-mcp-http/internal/server.NewMCPServer(0x140001efd10)
        /Users/fakebizprez/Developer/repositories/twentyCRM-MCP-HTTP/internal/server/server.go:24 +0x8c
main.main.func1(0x14000258210?)
        /Users/fakebizprez/Developer/repositories/twentyCRM-MCP-HTTP/cmd/server/main.go:45 +0x20
github.com/modelcontextprotocol/go-sdk/mcp.(*StreamableHTTPHandler).ServeHTTP(0x140001efda0, {0x1048215f0, 0x1400020e0f0}, 0x140001f63c0)
        /Users/fakebizprez/go/pkg/mod/github.com/modelcontextprotocol/go-sdk@v1.0.0/mcp/streamable.go:215 +0x7e0
net/http.serverHandler.ServeHTTP({0x10481ff88?}, {0x1048215f0?, 0x1400020e0f0?}, 0x1?)
        /opt/homebrew/Cellar/go/1.25.3/libexec/src/net/http/server.go:3340 +0xb0
net/http.(*conn).serve(0x140001e25a0, {0x1048226b8, 0x140002580f0})
        /opt/homebrew/Cellar/go/1.25.3/libexec/src/net/http/server.go:2109 +0x528
created by net/http.(*Server).Serve in goroutine 35
        /opt/homebrew/Cellar/go/1.25.3/libexec/src/net/http/server.go:3493 +0x384
2025/10/19 03:04:31 http: panic serving [::1]:55179: AddTool: tool "create_task": input schema: ForType(tools.CreateTaskInput): tag must not begin with 'WORD=': "enum=TODO,enum=IN_PROGRESS,enum=DONE"
goroutine 40 [running]:
net/http.(*conn).serve.func1()
        /opt/homebrew/Cellar/go/1.25.3/libexec/src/net/http/server.go:1943 +0xb4
panic({0x104763e40?, 0x1400048d120?})
        /opt/homebrew/Cellar/go/1.25.3/libexec/src/runtime/panic.go:783 +0x120
github.com/modelcontextprotocol/go-sdk/mcp.AddTool[...](0x140001ce240?, 0x1400003b908, 0x0)
        /Users/fakebizprez/go/pkg/mod/github.com/modelcontextprotocol/go-sdk@v1.0.0/mcp/server.go:400 +0xbc
github.com/linehaul/twenty-crm-mcp-http/internal/tools.RegisterTaskTools(0x140001ce240, 0x140001efd10)
        /Users/fakebizprez/Developer/repositories/twentyCRM-MCP-HTTP/internal/tools/tasks.go:32 +0xb0
github.com/linehaul/twenty-crm-mcp-http/internal/server.NewMCPServer(0x140001efd10)
        /Users/fakebizprez/Developer/repositories/twentyCRM-MCP-HTTP/internal/server/server.go:24 +0x8c
main.main.func1(0x140003ceae0?)
        /Users/fakebizprez/Developer/repositories/twentyCRM-MCP-HTTP/cmd/server/main.go:45 +0x20
github.com/modelcontextprotocol/go-sdk/mcp.(*StreamableHTTPHandler).ServeHTTP(0x140001efda0, {0x1048215f0, 0x1400020e4b0}, 0x140001f6dc0)
        /Users/fakebizprez/go/pkg/mod/github.com/modelcontextprotocol/go-sdk@v1.0.0/mcp/streamable.go:215 +0x7e0
net/http.serverHandler.ServeHTTP({0x10481ff88?}, {0x1048215f0?, 0x1400020e4b0?}, 0x1?)
        /opt/homebrew/Cellar/go/1.25.3/libexec/src/net/http/server.go:3340 +0xb0
net/http.(*conn).serve(0x140003d6630, {0x1048226b8, 0x140002580f0})
        /opt/homebrew/Cellar/go/1.25.3/libexec/src/net/http/server.go:2109 +0x528
created by net/http.(*Server).Serve in goroutine 35
        /opt/homebrew/Cellar/go/1.25.3/libexec/src/net/http/server.go:3493 +0x384
2025/10/19 03:04:40 http: panic serving [::1]:55184: AddTool: tool "create_task": input schema: ForType(tools.CreateTaskInput): tag must not begin with 'WORD=': "enum=TODO,enum=IN_PROGRESS,enum=DONE"
goroutine 19 [running]:
net/http.(*conn).serve.func1()
        /opt/homebrew/Cellar/go/1.25.3/libexec/src/net/http/server.go:1943 +0xb4
panic({0x104763e40?, 0x14000322c90?})
        /opt/homebrew/Cellar/go/1.25.3/libexec/src/runtime/panic.go:783 +0x120
github.com/modelcontextprotocol/go-sdk/mcp.AddTool[...](0x140001ce000?, 0x1400003b908, 0x0)
        /Users/fakebizprez/go/pkg/mod/github.com/modelcontextprotocol/go-sdk@v1.0.0/mcp/server.go:400 +0xbc
github.com/linehaul/twenty-crm-mcp-http/internal/tools.RegisterTaskTools(0x140001ce000, 0x140001efd10)
        /Users/fakebizprez/Developer/repositories/twentyCRM-MCP-HTTP/internal/tools/tasks.go:32 +0xb0
github.com/linehaul/twenty-crm-mcp-http/internal/server.NewMCPServer(0x140001efd10)
        /Users/fakebizprez/Developer/repositories/twentyCRM-MCP-HTTP/internal/server/server.go:24 +0x8c
main.main.func1(0x140001efcb0?)
        /Users/fakebizprez/Developer/repositories/twentyCRM-MCP-HTTP/cmd/server/main.go:45 +0x20
github.com/modelcontextprotocol/go-sdk/mcp.(*StreamableHTTPHandler).ServeHTTP(0x140001efda0, {0x1048215f0, 0x1400020e000}, 0x14000000140)
        /Users/fakebizprez/go/pkg/mod/github.com/modelcontextprotocol/go-sdk@v1.0.0/mcp/streamable.go:215 +0x7e0
net/http.serverHandler.ServeHTTP({0x10481ff88?}, {0x1048215f0?, 0x1400020e000?}, 0x1?)
        /opt/homebrew/Cellar/go/1.25.3/libexec/src/net/http/server.go:3340 +0xb0
net/http.(*conn).serve(0x1400041a990, {0x1048226b8, 0x140002580f0})
        /opt/homebrew/Cellar/go/1.25.3/libexec/src/net/http/server.go:2109 +0x528
created by net/http.(*Server).Serve in goroutine 35
        /opt/homebrew/Cellar/go/1.25.3/libexec/src/net/http/server.go:3493 +0x384
```

“client”:

```
fakebizprez@scum-studio: /Users/fakebizprez/Developer/repositories/twentyCRM-MCP-HTTP git:(feature-rich) ✗ 
➜    # Test 1: Initialize
  curl -X POST http://localhost:8080 \                                                                                                                                   
    -H "Content-Type: application/json" \
fakebizprez@scum-studio: /Users/fakebizprez/Developer/repositories/twentyCRM-MCP-HTTP git:(feature-rich) ✗ 
➜     curl -X POST http://localhost:8080 \
>     -H "Content-Type: application/json" \
>     -d '{"jsonrpc":"2.0","method":"initialize","params":{"protocolVersion":"2024-11-05","capabilities":{},"clientInfo":{"name":"test","version":"1.0.0"}},"id":1}'
curl: (52) Empty reply from server
fakebizprez@scum-studio: /Users/fakebizprez/Developer/repositories/twentyCRM-MCP-HTTP git:(feature-rich) ✗ 
➜   # Test 2: List tools
  curl -X POST http://localhost:8080 \                                                                                                                                   
    -H "Content-Type: application/json" \
fakebizprez@scum-studio: /Users/fakebizprez/Developer/repositories/twentyCRM-MCP-HTTP git:(feature-rich) ✗ 
➜     curl -X POST http://localhost:8080 \
>     -H "Content-Type: application/json" \
>     -d '{"jsonrpc":"2.0","method":"tools/list","params":{},"id":2}'
curl: (52) Empty reply from server
fakebizprez@scum-studio: /Users/fakebizprez/Developer/repositories/twentyCRM-MCP-HTTP git:(feature-rich) ✗ 
➜   # Test 3: Call search_contacts
  curl -X POST http://localhost:8080 \                                                                                                                                   
    -H "Content-Type: application/json" \
fakebizprez@scum-studio: /Users/fakebizprez/Developer/repositories/twentyCRM-MCP-HTTP git:(feature-rich) ✗ 
➜     curl -X POST http://localhost:8080 \
>     -H "Content-Type: application/json" \
>     -d '{"jsonrpc":"2.0","method":"tools/call","params":{"name":"search_contacts","arguments":{"query":"test","limit":5}},"id":3}'
curl: (52) Empty reply from server
fakebizprez@scum-studio: /Users/fakebizprez/Developer/repositories/twentyCRM-MCP-HTTP git:(feature-rich) ✗ 
```

Use context7 mcp server to lookup. any of the Twenty or MCP GO SDK documentation</open-swe-issue-content>
<details>
<summary>Agent Context</summary>
<open-swe-do-not-edit-task-plan>
{
  "tasks": [
    {
      "id": "831a9066-b967-43c5-9bcf-2a920c5df432",
      "taskIndex": 0,
      "request": "[original issue]\n**MCP Server Initialization Failure: Enum Tag Validation Error in Tool Registration**\nI’m trying to create a HTTP MCP server w/ the go SDK. \n\nPlease analyze these testing logs:\n\n“host”:\n```\nfakebizprez@scum-studio: /Users/fakebizprez/Developer/repositories/twentyCRM-MCP-HTTP git:(feature-rich) ✗ \n➜   ./twenty-crm-mcp-server\n2025/10/19 03:04:10 Starting Twenty CRM MCP HTTP Server on 0.0.0.0:8080\n2025/10/19 03:04:10 MCP endpoint: http://0.0.0.0:8080/mcp\n2025/10/19 03:04:22 http: panic serving [::1]:55176: AddTool: tool \"create_task\": input schema: ForType(tools.CreateTaskInput): tag must not begin with 'WORD=': \"enum=TODO,enum=IN_PROGRESS,enum=DONE\"\ngoroutine 38 [running]:\nnet/http.(*conn).serve.func1()\n        /opt/homebrew/Cellar/go/1.25.3/libexec/src/net/http/server.go:1943 +0xb4\npanic({0x104763e40?, 0x140003da120?})\n        /opt/homebrew/Cellar/go/1.25.3/libexec/src/runtime/panic.go:783 +0x120\ngithub.com/modelcontextprotocol/go-sdk/mcp.AddTool[...](0x140001ce180?, 0x1400003b908, 0x0)\n        /Users/fakebizprez/go/pkg/mod/github.com/modelcontextprotocol/go-sdk@v1.0.0/mcp/server.go:400 +0xbc\ngithub.com/linehaul/twenty-crm-mcp-http/internal/tools.RegisterTaskTools(0x140001ce180, 0x140001efd10)\n        /Users/fakebizprez/Developer/repositories/twentyCRM-MCP-HTTP/internal/tools/tasks.go:32 +0xb0\ngithub.com/linehaul/twenty-crm-mcp-http/internal/server.NewMCPServer(0x140001efd10)\n        /Users/fakebizprez/Developer/repositories/twentyCRM-MCP-HTTP/internal/server/server.go:24 +0x8c\nmain.main.func1(0x14000258210?)\n        /Users/fakebizprez/Developer/repositories/twentyCRM-MCP-HTTP/cmd/server/main.go:45 +0x20\ngithub.com/modelcontextprotocol/go-sdk/mcp.(*StreamableHTTPHandler).ServeHTTP(0x140001efda0, {0x1048215f0, 0x1400020e0f0}, 0x140001f63c0)\n        /Users/fakebizprez/go/pkg/mod/github.com/modelcontextprotocol/go-sdk@v1.0.0/mcp/streamable.go:215 +0x7e0\nnet/http.serverHandler.ServeHTTP({0x10481ff88?}, {0x1048215f0?, 0x1400020e0f0?}, 0x1?)\n        /opt/homebrew/Cellar/go/1.25.3/libexec/src/net/http/server.go:3340 +0xb0\nnet/http.(*conn).serve(0x140001e25a0, {0x1048226b8, 0x140002580f0})\n        /opt/homebrew/Cellar/go/1.25.3/libexec/src/net/http/server.go:2109 +0x528\ncreated by net/http.(*Server).Serve in goroutine 35\n        /opt/homebrew/Cellar/go/1.25.3/libexec/src/net/http/server.go:3493 +0x384\n2025/10/19 03:04:31 http: panic serving [::1]:55179: AddTool: tool \"create_task\": input schema: ForType(tools.CreateTaskInput): tag must not begin with 'WORD=': \"enum=TODO,enum=IN_PROGRESS,enum=DONE\"\ngoroutine 40 [running]:\nnet/http.(*conn).serve.func1()\n        /opt/homebrew/Cellar/go/1.25.3/libexec/src/net/http/server.go:1943 +0xb4\npanic({0x104763e40?, 0x1400048d120?})\n        /opt/homebrew/Cellar/go/1.25.3/libexec/src/runtime/panic.go:783 +0x120\ngithub.com/modelcontextprotocol/go-sdk/mcp.AddTool[...](0x140001ce240?, 0x1400003b908, 0x0)\n        /Users/fakebizprez/go/pkg/mod/github.com/modelcontextprotocol/go-sdk@v1.0.0/mcp/server.go:400 +0xbc\ngithub.com/linehaul/twenty-crm-mcp-http/internal/tools.RegisterTaskTools(0x140001ce240, 0x140001efd10)\n        /Users/fakebizprez/Developer/repositories/twentyCRM-MCP-HTTP/internal/tools/tasks.go:32 +0xb0\ngithub.com/linehaul/twenty-crm-mcp-http/internal/server.NewMCPServer(0x140001efd10)\n        /Users/fakebizprez/Developer/repositories/twentyCRM-MCP-HTTP/internal/server/server.go:24 +0x8c\nmain.main.func1(0x140003ceae0?)\n        /Users/fakebizprez/Developer/repositories/twentyCRM-MCP-HTTP/cmd/server/main.go:45 +0x20\ngithub.com/modelcontextprotocol/go-sdk/mcp.(*StreamableHTTPHandler).ServeHTTP(0x140001efda0, {0x1048215f0, 0x1400020e4b0}, 0x140001f6dc0)\n        /Users/fakebizprez/go/pkg/mod/github.com/modelcontextprotocol/go-sdk@v1.0.0/mcp/streamable.go:215 +0x7e0\nnet/http.serverHandler.ServeHTTP({0x10481ff88?}, {0x1048215f0?, 0x1400020e4b0?}, 0x1?)\n        /opt/homebrew/Cellar/go/1.25.3/libexec/src/net/http/server.go:3340 +0xb0\nnet/http.(*conn).serve(0x140003d6630, {0x1048226b8, 0x140002580f0})\n        /opt/homebrew/Cellar/go/1.25.3/libexec/src/net/http/server.go:2109 +0x528\ncreated by net/http.(*Server).Serve in goroutine 35\n        /opt/homebrew/Cellar/go/1.25.3/libexec/src/net/http/server.go:3493 +0x384\n2025/10/19 03:04:40 http: panic serving [::1]:55184: AddTool: tool \"create_task\": input schema: ForType(tools.CreateTaskInput): tag must not begin with 'WORD=': \"enum=TODO,enum=IN_PROGRESS,enum=DONE\"\ngoroutine 19 [running]:\nnet/http.(*conn).serve.func1()\n        /opt/homebrew/Cellar/go/1.25.3/libexec/src/net/http/server.go:1943 +0xb4\npanic({0x104763e40?, 0x14000322c90?})\n        /opt/homebrew/Cellar/go/1.25.3/libexec/src/runtime/panic.go:783 +0x120\ngithub.com/modelcontextprotocol/go-sdk/mcp.AddTool[...](0x140001ce000?, 0x1400003b908, 0x0)\n        /Users/fakebizprez/go/pkg/mod/github.com/modelcontextprotocol/go-sdk@v1.0.0/mcp/server.go:400 +0xbc\ngithub.com/linehaul/twenty-crm-mcp-http/internal/tools.RegisterTaskTools(0x140001ce000, 0x140001efd10)\n        /Users/fakebizprez/Developer/repositories/twentyCRM-MCP-HTTP/internal/tools/tasks.go:32 +0xb0\ngithub.com/linehaul/twenty-crm-mcp-http/internal/server.NewMCPServer(0x140001efd10)\n        /Users/fakebizprez/Developer/repositories/twentyCRM-MCP-HTTP/internal/server/server.go:24 +0x8c\nmain.main.func1(0x140001efcb0?)\n        /Users/fakebizprez/Developer/repositories/twentyCRM-MCP-HTTP/cmd/server/main.go:45 +0x20\ngithub.com/modelcontextprotocol/go-sdk/mcp.(*StreamableHTTPHandler).ServeHTTP(0x140001efda0, {0x1048215f0, 0x1400020e000}, 0x14000000140)\n        /Users/fakebizprez/go/pkg/mod/github.com/modelcontextprotocol/go-sdk@v1.0.0/mcp/streamable.go:215 +0x7e0\nnet/http.serverHandler.ServeHTTP({0x10481ff88?}, {0x1048215f0?, 0x1400020e000?}, 0x1?)\n        /opt/homebrew/Cellar/go/1.25.3/libexec/src/net/http/server.go:3340 +0xb0\nnet/http.(*conn).serve(0x1400041a990, {0x1048226b8, 0x140002580f0})\n        /opt/homebrew/Cellar/go/1.25.3/libexec/src/net/http/server.go:2109 +0x528\ncreated by net/http.(*Server).Serve in goroutine 35\n        /opt/homebrew/Cellar/go/1.25.3/libexec/src/net/http/server.go:3493 +0x384\n```\n\n“client”:\n\n```\nfakebizprez@scum-studio: /Users/fakebizprez/Developer/repositories/twentyCRM-MCP-HTTP git:(feature-rich) ✗ \n➜    # Test 1: Initialize\n  curl -X POST http://localhost:8080 \\                                                                                                                                   \n    -H \"Content-Type: application/json\" \\\nfakebizprez@scum-studio: /Users/fakebizprez/Developer/repositories/twentyCRM-MCP-HTTP git:(feature-rich) ✗ \n➜     curl -X POST http://localhost:8080 \\\n>     -H \"Content-Type: application/json\" \\\n>     -d '{\"jsonrpc\":\"2.0\",\"method\":\"initialize\",\"params\":{\"protocolVersion\":\"2024-11-05\",\"capabilities\":{},\"clientInfo\":{\"name\":\"test\",\"version\":\"1.0.0\"}},\"id\":1}'\ncurl: (52) Empty reply from server\nfakebizprez@scum-studio: /Users/fakebizprez/Developer/repositories/twentyCRM-MCP-HTTP git:(feature-rich) ✗ \n➜   # Test 2: List tools\n  curl -X POST http://localhost:8080 \\                                                                                                                                   \n    -H \"Content-Type: application/json\" \\\nfakebizprez@scum-studio: /Users/fakebizprez/Developer/repositories/twentyCRM-MCP-HTTP git:(feature-rich) ✗ \n➜     curl -X POST http://localhost:8080 \\\n>     -H \"Content-Type: application/json\" \\\n>     -d '{\"jsonrpc\":\"2.0\",\"method\":\"tools/list\",\"params\":{},\"id\":2}'\ncurl: (52) Empty reply from server\nfakebizprez@scum-studio: /Users/fakebizprez/Developer/repositories/twentyCRM-MCP-HTTP git:(feature-rich) ✗ \n➜   # Test 3: Call search_contacts\n  curl -X POST http://localhost:8080 \\                                                                                                                                   \n    -H \"Content-Type: application/json\" \\\nfakebizprez@scum-studio: /Users/fakebizprez/Developer/repositories/twentyCRM-MCP-HTTP git:(feature-rich) ✗ \n➜     curl -X POST http://localhost:8080 \\\n>     -H \"Content-Type: application/json\" \\\n>     -d '{\"jsonrpc\":\"2.0\",\"method\":\"tools/call\",\"params\":{\"name\":\"search_contacts\",\"arguments\":{\"query\":\"test\",\"limit\":5}},\"id\":3}'\ncurl: (52) Empty reply from server\nfakebizprez@scum-studio: /Users/fakebizprez/Developer/repositories/twentyCRM-MCP-HTTP git:(feature-rich) ✗ \n```\n\nUse context7 mcp server to lookup. any of the Twenty or MCP GO SDK documentation",
      "title": "Fix MCP Server Enum Tag Validation Error in Tool Registration",
      "createdAt": 1760976297451,
      "completed": false,
      "planRevisions": [
        {
          "revisionIndex": 0,
          "plans": [
            {
              "index": 0,
              "plan": "**Identify and fix the invalid enum struct tag in the CreateTaskInput struct** - Locate the `internal/tools/tasks.go` file and remove the invalid `enum=TODO,enum=IN_PROGRESS,enum=DONE` struct tag from the Status field, replacing it with a simple `jsonschema:\"description=Task status\"` tag since the Go MCP SDK doesn't support enum values directly via struct tags.",
              "completed": false
            },
            {
              "index": 1,
              "plan": "**Implement programmatic enum schema modification** - After the `mcp.AddTool()` call in the `RegisterTaskTools` function in `internal/tools/tasks.go`, add code to programmatically set the enum values by accessing `tool.InputSchema.Properties[\"status\"].Enum = []any{\"TODO\", \"IN_PROGRESS\", \"DONE\"}` to properly define the allowed status values.",
              "completed": false
            },
            {
              "index": 2,
              "plan": "**Test the MCP server initialization and tool registration** - Build and run the server to verify that the enum tag validation error is resolved, the server starts successfully on port 8080, and the tools/list endpoint returns the create_task tool with proper enum constraints in the input schema.",
              "completed": false
            },
            {
              "index": 3,
              "plan": "**Verify HTTP MCP endpoint functionality** - Test the server using curl commands to ensure the initialize, tools/list, and tools/call methods work correctly without the previous panic errors, confirming that clients can successfully connect and interact with the MCP server.",
              "completed": false
            }
          ],
          "createdAt": 1760976297451,
          "createdBy": "agent"
        }
      ],
      "activeRevisionIndex": 0
    }
  ],
  "activeTaskIndex": 0
}
</open-swe-do-not-edit-task-plan>
<open-swe-do-not-edit-proposed-plan>
[
  "**Identify and fix the invalid enum struct tag in the CreateTaskInput struct** - Locate the `internal/tools/tasks.go` file and remove the invalid `enum=TODO,enum=IN_PROGRESS,enum=DONE` struct tag from the Status field, replacing it with a simple `jsonschema:\"description=Task status\"` tag since the Go MCP SDK doesn't support enum values directly via struct tags.",
  "**Implement programmatic enum schema modification** - After the `mcp.AddTool()` call in the `RegisterTaskTools` function in `internal/tools/tasks.go`, add code to programmatically set the enum values by accessing `tool.InputSchema.Properties[\"status\"].Enum = []any{\"TODO\", \"IN_PROGRESS\", \"DONE\"}` to properly define the allowed status values.",
  "**Test the MCP server initialization and tool registration** - Build and run the server to verify that the enum tag validation error is resolved, the server starts successfully on port 8080, and the tools/list endpoint returns the create_task tool with proper enum constraints in the input schema.",
  "**Verify HTTP MCP endpoint functionality** - Test the server using curl commands to ensure the initialize, tools/list, and tools/call methods work correctly without the previous panic errors, confirming that clients can successfully connect and interact with the MCP server."
]
</open-swe-do-not-edit-proposed-plan>

</details>
</details>

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MCP Server Initialization Failure: Enum Tag Validation Error in Tool Registration #3

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