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HTTP-based MCP servers not loading tools into chat sessions #4717

@roudra

Description

@roudra

Bug Report: HTTP-based MCP servers not loading tools into chat sessions

Environment:

  • Kiro CLI version: 1.23.1
  • OS: macOS
  • MCP server type: HTTP (Quarkus Dev MCP)

Issue Description:
HTTP-based MCP servers are configured correctly and accessible via direct HTTP calls, but their tools don't appear in the chat session's available function list. Docker-based MCP servers work
correctly in the same configuration.

Configuration:
json
"quarkus-dev": {
"url": "http://localhost:8080/q/dev-mcp",
"type": "http"
}

Evidence:

  1. kiro-cli mcp list shows the server is configured
  2. kiro-cli mcp status --name quarkus-dev shows server is enabled
  3. Direct curl test works: curl -X POST http://localhost:8080/q/dev-mcp -H "Content-Type: application/json" -d '{"jsonrpc":"2.0","method":"tools/list","params":{},"id":2}' returns 25+ available
    tools
  4. Tools are not available in chat session function list

Expected Behavior:
HTTP MCP servers should load their tools into chat sessions like Docker-based servers do.

Actual Behavior:
HTTP MCP server tools are missing from chat session, despite server being accessible and configured.

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