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update_workflow with setNodeParameter on a nested path duplicates the field and strips discriminator fields off other unrelated nodes

Status: Open.

#1023 In czlonkowski/n8n-mcp;

· Py-learner-with-audhd opened on Aug 24, 2026

MCP spec conformance: 1 requirement(s) violated (via @hasmcp/mcp-spec-test) — spec 2025-11-25

Status: Open.

#1020 In czlonkowski/n8n-mcp;

· hasmcp-dev opened on Aug 24, 2026

MCP spec conformance: 7 requirement(s) violated (via @hasmcp/mcp-spec-test) — spec 2026-07-28

Status: Open.

#1019 In czlonkowski/n8n-mcp;

· hasmcp-dev opened on Aug 24, 2026

n8n_validate_workflow crashes intermittently ("Connection closed") mixing validation types; used to also crash hard on a node with a large mojibake-corrupted field

Status: Open.

#1018 In czlonkowski/n8n-mcp;

· RADPi opened on Aug 23, 2026

Replace hand-rolled SSRF address denylists with an IANA special-purpose registry table

Status: Open.

#985 In czlonkowski/n8n-mcp;

· czlonkowski opened on Aug 9, 2026

feat: public validation benchmark — reproducible probe suite (announced in #900)

documentationImprovements or additions to documentationImprovements or additions to documentation

enhancementNew feature or requestNew feature or request

help wantedExtra attention is neededExtra attention is needed

roadmapAnnounced direction (Discussion #900)Announced direction (Discussion #900)

Status: Open.

#904 In czlonkowski/n8n-mcp;

· czlonkowski opened on Jul 2, 2026

chore: dependency security audit on the default branch

securitySecurity and dependency hygieneSecurity and dependency hygiene

Status: Open.

#903 In czlonkowski/n8n-mcp;

· czlonkowski opened on Jul 2, 2026

docs: reposition README around the production-operations direction (#900)

documentationImprovements or additions to documentationImprovements or additions to documentation

roadmapAnnounced direction (Discussion #900)Announced direction (Discussion #900)

Status: Open.

#902 In czlonkowski/n8n-mcp;

· czlonkowski opened on Jul 2, 2026

n8n_get_execution does not respond

Status: Open.

#834 In czlonkowski/n8n-mcp;

· Matteo-Rossini opened on Jun 5, 2026

SSRF and private IP ranges

Status: Open.

#832 In czlonkowski/n8n-mcp;

· openclaw1reaperhammer opened on Jun 4, 2026

AUTHENTICATION_ERROR on self-hosted n8n behind k8s ingress, despite identical curl returning 200

Status: Open.

#803 In czlonkowski/n8n-mcp;

· klfjsljkd opened on May 24, 2026

Enhancement: n8n-mcp workflow generator should use FQN references

Status: Open.

#802 In czlonkowski/n8n-mcp;

· gander opened on May 24, 2026