feat(mcp): emit $mcp_error_message and $mcp_error_type - #882

Merged

gesh merged 29 commits into

mainfrom

posthog-code/mcp-error-properties

Aug 21, 2026

Commits on Aug 20, 2026

test(mcp): dual-major test setup — run the MCP suite against SDK v1 and v2
gesh
committed
a52a78a
feat(mcp): support MCP Python SDK v2 and the 2026-07-28 spec revision
gesh
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004c745
chore(mcp): refresh public API snapshot for the 0.3.0 sdk-surface bump
gesh
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9fda7cc
fix(mcp): capture only a scalar projection of extra on $identify events
gesh
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021823f
ci(mcp): name the MCP gate per SDK major — MCP SDK v1/v2 (Python X.Y)
gesh
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fddfaf1
fix(mcp): deliver the conversation handle via structuredContent too
gesh
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94ac113
feat(mcp): uniform ctx in callbacks + exported get_request_headers
gesh
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e9c490d
fix(mcp): review findings — never mutate the caller's result, guard ctx read
gesh
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5ed2086
refactor: apply simplify pass
gesh
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07dd1c8
fix(mcp): finish the tool-cache fix on the low-level adapter
gesh
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e335876
fix(mcp): don't require a parameter we strip before the SDK validates
gesh
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45f5630
Merge remote-tracking branch 'origin/main' into posthog-code/mcp-sdk-v2
gesh
committed
d7f2f39

Commits on Aug 21, 2026