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Streamable HTTP: Add session sweeping and close hanging streams #1130

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Streamable HTTP: Add session sweeping and close hanging streams #1130

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104b0ac
KeepAliveScheduler: align initial delay with interval
Kehrlann Sep 14, 2026
975abb0
KeepAliveScheduler only pings sessions with an open stream
Kehrlann Sep 8, 2026
6064b58
Close POST-related streams in McpStreamableServerSession
Kehrlann Sep 14, 2026
b864d9d
Remove inactive sessions with a "sweeper" mechanism
Kehrlann Sep 14, 2026
ae18d09
Error pending requests on session close
Kehrlann Sep 15, 2026
f6878fa
Fix hanging disconnected client during POST
Kehrlann Sep 16, 2026
67d56fd
Skip session activity tracking when sessionSweepInterval is null
Kehrlann Sep 16, 2026
658f94f
Streamable HTTP server: keep alive on, 30 minutes by default
Kehrlann Sep 16, 2026
1754802
Make session-sweeping non-blocking
Kehrlann Sep 17, 2026
8035337
Mention session-eviction in docs
Kehrlann Sep 17, 2026
27b3a13
Update author tags and copyright info
Kehrlann Sep 17, 2026
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5 changes: 4 additions & 1 deletion docs/server.md
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Original file line number Diff line number Diff line change
Expand Up @@ -164,7 +164,10 @@ Key features:

- Efficient bidirectional HTTP communication
- Session management for multiple client connections
- Configurable keep-alive intervals
- Keep-alive pings on sessions with an open stream, enabled by default every 30 minutes
(`keepAliveInterval`, `null` to disable)
- Eviction of idle sessions — no open stream and no request for a full interval — every
30 minutes by default (`sessionSweepInterval`, `null` to keep sessions until deleted)
- Security validation support
- Graceful shutdown support

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