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Projects/n8n-MCP/v2.73.0
Release / / with v2.69.1, v2.69.2, v2.69.3, v2.70.0, v2.70.1, v2.70.2, v2.70.3, v2.70.4, v2.71.0, v2.71.1, v2.72.0

n8n-MCP v2.73.0

Patch JavaScript fields with a syntax check before saving.

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Before you upgrade to v2.73.0

JavaScript find/replace patches are syntax-checked before saving; malformed code is rejected.

Behavior changedCreate, inspect, edit and delete workflows on an n8n instance.Affects: patchNodeField and __patch_find_replace callers
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Stdio messages have a 64 MB default buffer cap, configurable with `N8N_MCP_STDIO_MAX_BUFFER_SIZE`; `HTTP` streams receive 15-second keep-alives.

Behavior changedConnect an MCP client to node documentation and optional n8n management tools.Affects: Stdio clients sending very large messages and HTTP stream users
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What changed in v2.73.0

Patch JavaScript fields with a syntax check before saving.

Available through npm or Docker at v2.73.0. Instance management requires configured n8n API access.

Fixed and improved

Literal replacement text containing dollar signs is inserted verbatim rather than interpreted as replacement patterns.

Now worksCreate, inspect, edit and delete workflows on an n8n instance.
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Outbound connections try validated DNS addresses and honor `N8N_API_MAX_RETRIES` for connection-level failures.

Now worksConnect an MCP client to node documentation and optional n8n management tools.
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Workflows using `settings.errorWorkflow` are recognized as having error handling.

Now worksAudit an n8n instance and scan workflows for hardcoded secrets, unauthenticated webhooks and error-handling gaps.
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Seeded by @iluxav with Codex, from the release's public sources. Each change links to its evidence.

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