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fix: STDIO transport stdout flush and MCP notification handling #37

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michal merged 1 commits from fix/stdio-flush-and-notifications into main 2026-02-24 19:10:04 +00:00
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michal commented 2026-02-24 19:09:58 +00:00
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Summary

  • Fix STDIO transport truncating large responses by waiting for stdout flush before exit
  • Handle MCP notification methods in router instead of returning errors
  • Use -p shorthand in config claude output

Test plan

  • mcpd tests pass (487)
  • mcplocal tests pass (164)
  • E2E: test-mcp.sh homeautomation shows upstream tools
## Summary - Fix STDIO transport truncating large responses by waiting for stdout flush before exit - Handle MCP notification methods in router instead of returning errors - Use -p shorthand in config claude output ## Test plan - [x] mcpd tests pass (487) - [x] mcplocal tests pass (164) - [ ] E2E: test-mcp.sh homeautomation shows upstream tools
michal added 1 commit 2026-02-24 19:09:58 +00:00
fix: STDIO transport stdout flush and MCP notification handling
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9cb0c5ce24 
- Wait for stdout.write callback before process.exit in STDIO transport
  to prevent truncation of large responses (e.g. grafana tools/list)
- Handle MCP notification methods (notifications/initialized, etc.) in
  router instead of returning "Method not found" error
- Use -p shorthand in config claude output

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
michal merged commit f5a902d3e0 into main 2026-02-24 19:10:04 +00:00
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Reference: michal/mcpctl#37
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