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chore: update n8n to 2.11.4 (#634)

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* chore: update n8n to 2.11.4 and bump version to 2.36.2

- Updated n8n from 2.10.3 to 2.11.4
- Updated n8n-core from 2.10.1 to 2.11.1
- Updated n8n-workflow from 2.10.1 to 2.11.1
- Updated @n8n/n8n-nodes-langchain from 2.10.1 to 2.11.2
- Updated @modelcontextprotocol/sdk from 1.20.1 to 1.27.1 (critical security fix)
- Rebuilt node database with 1,239 nodes (809 core + 430 community preserved)
- Updated README badge with new n8n version and node counts
- Updated CHANGELOG with dependency changes

Conceived by Romuald Członkowski - https://www.aiadvisors.pl/en

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* fix(ci): update MCP SDK version check from 1.20.1 to 1.27.1

The dependency-check workflow was hardcoded to expect MCP SDK 1.20.1,
causing CI failure after the intentional upgrade to 1.27.1.

Conceived by Romuald Członkowski - https://www.aiadvisors.pl/en

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* fix(tests): close existing connection before reconnecting in MCP protocol tests

MCP SDK 1.27+ enforces single-connection per Server instance, throwing
"Already connected to a transport" when connect() is called twice.
Updated test helper to close existing connections before reconnecting.

Conceived by Romuald Członkowski - https://www.aiadvisors.pl/en

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Romuald Członkowski
2026-03-14 14:04:43 +01:00
committed by GitHub
parent 25b8a8145d
commit 248f859c49
7 changed files with 1977 additions and 2243 deletions
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8
.github/workflows/dependency-check.yml vendored
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@@ -77,15 +77,15 @@ jobs:
echo "Zod version: $ZOD_VERSION"
echo ""
# Check MCP SDK version - must be exactly 1.20.1
# Check MCP SDK version - must be exactly 1.27.1
if [[ "$SDK_VERSION" == "not found" ]]; then
echo "❌ FAILED: Could not determine MCP SDK version!"
echo " The dependency may not have been installed correctly."
exit 1
fi
if [[ "$SDK_VERSION" != "1.20.1" ]]; then
if [[ "$SDK_VERSION" != "1.27.1" ]]; then
echo "❌ FAILED: MCP SDK version mismatch!"
echo " Expected: 1.20.1"
echo " Expected: 1.27.1"
echo " Got: $SDK_VERSION"
echo ""
echo "This can cause runtime errors. See issues #440, #444, #446, #447, #450"
@@ -100,7 +100,7 @@ jobs:
exit 1
fi
if [[ "$ZOD_VERSION" =~ ^4\. ]]; then
echo "❌ FAILED: Zod v4 detected - incompatible with MCP SDK 1.20.1!"
echo "❌ FAILED: Zod v4 detected - incompatible with MCP SDK 1.27.1!"
echo " Expected: 3.x"
echo " Got: $ZOD_VERSION"
echo ""