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MCP initialization produces multiple "Unexpected token is not valid JSON" errors on every new chat

Status: Open.

#628 In czlonkowski/n8n-mcp;

· SolarFab opened on Mar 11, 2026

Windows: env variables not passed to npx process — n8n API shows as "not configured"

Status: Open.

#627 In czlonkowski/n8n-mcp;

· shilm-stack opened on Mar 11, 2026

Large payload updates cause session expiry with no warning; SESSION_TIMEOUT_MINUTES default too low

Status: Open.

#626 In czlonkowski/n8n-mcp;

· danmaxis opened on Mar 9, 2026

SSE reconnection loop: POST /mcp handler doesn't route to SSEServerTransport

Status: Open.

#617 In czlonkowski/n8n-mcp;

· KengeterSmartHome opened on Mar 3, 2026

undefined value not accepted in MCP tool calls from VS Cod

Status: Open.

#611 In czlonkowski/n8n-mcp;

· michox opened on Feb 25, 2026

Server requires authentication but doesn't advertise the auth mechanism

Status: Open.

#604 In czlonkowski/n8n-mcp;

· clgtm opened on Feb 20, 2026

n8n_create_workflow returns success:true but ID:undefined — workflow not actually created

Status: Open.

#602 In czlonkowski/n8n-mcp;

· merlinceo opened on Feb 18, 2026

n8n_* tools with openWorldHint:true are not registered by Claude Code

Status: Open.

#601 In czlonkowski/n8n-mcp;

· delonsp opened on Feb 18, 2026

n8n_update_partial_workflow: operations array received as string from Claude Code (VS Code extension)

Status: Open.

#600 In czlonkowski/n8n-mcp;

· YerayRodri opened on Feb 18, 2026

n8n MCP listed on MCPList.site with B grade (61/100)

Status: Open.

#597 In czlonkowski/n8n-mcp;

· tomsmithtld opened on Feb 15, 2026

n8n-mcp v2.35.2: Management tools (create/list/get) return 404 or HTML despite correct N8N_API_URL

Status: Open.

#594 In czlonkowski/n8n-mcp;

· jiji-droid opened on Feb 12, 2026

Remote Server Blocked by Anthropic Proxy - Need Guidance on Best Setup

Status: Open.

#591 In czlonkowski/n8n-mcp;

· allegradav opened on Feb 12, 2026