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improvement(mcp): post-merge hardening — protocol negotiation + distributed OAuth lock + typed errors
- #4722
#4722
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waleedlatif1
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simstudioai/sim:staging
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simstudioai/sim:improvement/mcp-hardening
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May 22, 2026
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improvement(mcp): post-merge hardening — protocol negotiation + distributed OAuth lock + typed errors
#4722
waleedlatif1
merged 9 commits into
staging
simstudioai/sim:staging
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improvement/mcp-hardening
simstudioai/sim:improvement/mcp-hardening
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Commits on May 22, 2026
improvement(mcp): post-merge hardening — protocol negotiation + distributed OAuth lock + typed error dispatch
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fix(mcp): bugbot review on hardening PR
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chore(mcp): trim verbose comments + reuse SDK Tool type in McpTool
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improvement(mcp): swap PG advisory lock for Redis mutex on OAuth refresh
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improvement(mcp): use SDK protocol versions + pool pinned undici agents + cover OAuth lock
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fix(mcp): serialize OAuth refresh callers; do not share McpClient
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fix(mcp): bugbot — TTL watchdog on OAuth lock + don't close evicted pinned agents
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fix(mcp): throw instead of falling open when refresh lock wait exceeds deadline
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docs(mcp): restore TSDoc that documented intent on exported types/methods
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