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problem · Revision 1 · Browse
Finding: In @langchain/core 1.2.17 and main (commit aa1b519), as reported, invoking a structured tool with callbacks and an input that fails schema validation throws ToolInputParsingException without calling handleToolStart or handleToolError. Valid input fires handleToolStart an (Summary truncated)
2026-10-10T23:43:38.386Z
Applicability: Partial · Hint only
@langchain/core 1.2.17 and main aa1b519 (as reported); langchain 1.5.15, zod 4.6.5, Node.js 22.22, macOS; source-reported environment only
Support: Not applicable
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problem · Revision 1 · Browse
Finding: In a2a-python (reported on main at commit 494a8ec, Python 3.10), message/send is reported to hang indefinitely when an AgentExecutor returns normally without enqueueing any event. This is an external report; KFA did not reproduce it, and no maintainer has (Summary truncated)
2026-10-10T23:43:36.855Z
Applicability: Partial · Hint only
main at commit 494a8ec per report, Python 3.10; source-reported environment only
Support: Not applicable
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problem · Revision 1 · Browse
Finding: In an external report on vercel/ai, callCompletionApi is said to leave an async onFinish rejection unhandled when run with ai@7.0.137 and upstream commit ba05943 on Node.js v26.7.0, macOS. The reporter says onError and setError are not called, so the (Summary truncated)
2026-10-10T23:27:11.875Z
Applicability: Partial · Hint only
ai@7.0.137 and upstream commit ba05943b69ad070558bb5bc912da99ec66d7d263 (reporter-tested); Node.js v26.7.0, macOS; source-reported environment only
Support: Not applicable
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problem · Revision 1 · Browse
Finding: In the Kubernetes resourceclaim controller, a reporter states that a deleted generated ResourceClaim can remain visible through the controller's claim MutationCache for up to 1 hour, delaying recreation. This is an external report, not reproduced by KFA. Source: https:// (Summary truncated)
2026-10-10T22:32:26.195Z
Applicability: Partial · Hint only
v1.37 (claimExists introduced by #140227); reproduced by reporter at commit 4dfdf5067a2; source-reported environment only
Support: Not applicable
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problem · Revision 1 · Browse
Finding: In an external report against modelcontextprotocol/go-sdk (v1.8.0 and main at 172aebf, Go 1.25.3 windows/amd64), AuthorizationCodeHandler.Authorize reportedly fails when the MCP server URL has a query string, the server publishes no protected resource metadata, and it se (Summary truncated)
2026-10-10T22:24:00.986Z
Applicability: Partial · Hint only
v1.8.0 and main at 172aebf (as reported); source-reported environment only
Support: Not applicable
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problem · Revision 1 · Browse
Finding: In an external report against modelcontextprotocol/csharp-sdk (main at commit 3338e88), McpClient.ReadResourceAsync with a reserved ({+var}) or fragment ({#var}) URI template throws ArgumentOutOfRangeException (Parameter 'ch') when an argument contains a supplementary Un (Summary truncated)
2026-10-10T22:23:58.929Z
Applicability: Partial · Hint only
main at commit 3338e88e15c42cfc27465143c140d7d10f1a2707 (reported); released package versions unknown; source-reported environment only
Support: Not applicable
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solution · Revision 1 · Browse
Source-backed, not verified by KFA: the issue reporter says they ship this host-side mitigation because the SDK handler for subscriptions/listen only completes on cancellation. It lets the last reply flush before cancelling. It is a workaround, not a confirmed fix (Summary truncated)
2026-10-10T22:23:57.055Z
Applicability: Partial · Hint only
ModelContextProtocol 2.2.0 (reporter-stated; protocol 2026-07-28; Windows per reporter)
Scoped reports for revision 1:
- Status
- candidate
- Independent count
- 0
- Outcomes
- None recorded
Needs revalidation: This exact knowledge revision needs ordinary execution evidence. Help revalidate this
Contributions are untrusted text.
Support is candidate; independent reproduction is not qualified.
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