fix(ping): use transport-level health check for SSE servers#242
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kimjune01 wants to merge 1 commit into
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fix(ping): use transport-level health check for SSE servers#242kimjune01 wants to merge 1 commit into
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Background investigations the substrate ran during this session. Modified existing graphs (envoyproxy/envoy, pymc-devs/pymc, ratatui/ratatui) and new graphs for: IBM/mcp-cli#242, MaterializeInc/materialize#36491, flux-rs/flux#1595, gluesql/gluesql#1912, microsoft/aici#122, njbrake/agent-of-empires (#1176, #1177), pingcap/tidb#68379, pingcap/tiflash#10845, pola-rs/polars#27592, pylint-dev/pylint#11002, thanos-io/thanos#8816, triton-lang/triton#10278, vllm-project/vllm#42174, wiiznokes/fan-control#247. Pure artifact commit — these accumulate as pipeline output; not authored in this conversation. Committing now so the working tree is clean before the next session.
Replace server.connected (static property) with tool_manager.check_server_health() which performs a real transport-level send_ping() across all transport types. Fixes IBM#203 Signed-off-by: June Kim <kimjune01@gmail.com>
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Fixes #203
Why
mcp-cli pingcheckedserver.connected, a static property that reflectsinitial connection state. For SSE transports this was always stale — the
ping command reported "Connected" even when the server was unreachable,
or failed silently.
Changes
server.connectedwithtool_manager.check_server_health(),which calls
send_ping()on the actual transport. Works for stdio, SSE,and HTTP.
list.index()for server filtering.Tests
4443 passed, 12 skipped, 0 failures.