Client Closed with Cursor

[phoenix-error]

Bug report

Describe the bug

Every time I try to use the supabase MCP it always says client closed

To Reproduce

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4. See error

Expected behavior

A clear and concise description of what you expected to happen.

Screenshots

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System information

• OS: macOS

Additional context

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[jacobabiola]

i have this same issue

[thatguyrynodyno]

Same issue:
2025-04-05 09:29:11.125 [info] base: Client closed for command
2025-04-05 09:29:11.126 [error] base: Error in MCP: Client closed
2025-04-05 09:29:11.132 [info] base: Handling ListOfferings action
2025-04-05 09:29:11.132 [error] base: No server info found

On windows

[niclastanskanen]

Same here

On macbook

[conticomp]

Same issue here

[crsmoore]

Same problem here. Also doesn't work in Windsurf.

[growthriseagency]

Yes , same issue for me too.

[radzio]

same here on mac

[rajinsyed]

Same here

[Gadi-Chait]

same here

[feelfetch]

same here.

2025-04-07 16:44:24.976 [info] cial: Handling ReloadClient action
2025-04-07 16:44:24.976 [info] cial: getOrCreateClient for stdio server. process.platform: darwin isElectron: true
2025-04-07 16:44:24.976 [info] cial: Starting new stdio process with command: npx -y @supabase/mcp-server-supabase@latest --access-token sbp_XXXX8ab49e0e0df54b28ed08868db20ba65a0XXX
2025-04-07 16:44:26.659 [info] cial: Client closed for command
2025-04-07 16:44:26.659 [error] cial: Error in MCP: Client closed
2025-04-07 16:44:26.659 [error] cial: Failed to reload client: MCP error -32000: Connection closed
2025-04-07 16:44:26.660 [info] Tool: Handling ListOfferings action
2025-04-07 16:44:26.660 [info] Tool: Listing offerings
2025-04-07 16:44:26.660 [info] Tool: getOrCreateClient for stdio server. process.platform: darwin isElectron: true
2025-04-07 16:44:26.660 [info] Tool: Reusing existing stdio client
2025-04-07 16:44:26.660 [info] Tool: Connected to stdio server, fetching offerings
2025-04-07 16:44:26.664 [info] listOfferings: Found 7 tools
2025-04-07 16:44:26.664 [info] Tool: Found 7 tools, 0 resources, and 0 resource templates
2025-04-07 16:44:26.665 [info] rawl: Handling ListOfferings action
2025-04-07 16:44:26.665 [error] rawl: No server info found
2025-04-07 16:44:26.668 [info] -mcp: Handling ListOfferings action
2025-04-07 16:44:26.668 [error] -mcp: No server info found
2025-04-07 16:44:26.669 [info] cial: Handling ListOfferings action
2025-04-07 16:44:26.669 [error] cial: No server info found
2025-04-07 16:44:26.670 [info] gres: Handling ListOfferings action
2025-04-07 16:44:26.670 [info] gres: Listing offerings
2025-04-07 16:44:26.670 [info] gres: getOrCreateClient for stdio server. process.platform: darwin isElectron: true
2025-04-07 16:44:26.670 [info] gres: Reusing existing stdio client
2025-04-07 16:44:26.670 [info] gres: Connected to stdio server, fetching offerings
2025-04-07 16:44:26.672 [info] listOfferings: Found 1 tools
2025-04-07 16:44:26.672 [info] gres: Found 1 tools, 0 resources, and 0 resource templates
2025-04-07 16:44:27.218 [error] -mcp: Client error for command SSE error: TypeError: fetch failed: connect ECONNREFUSED 127.0.0.1:3333, connect ECONNREFUSED ::1:3333
2025-04-07 16:44:27.218 [error] -mcp: Error in MCP: SSE error: TypeError: fetch failed: connect ECONNREFUSED 127.0.0.1:3333, connect ECONNREFUSED ::1:3333
2025-04-07 16:44:30.227 [error] -mcp: Client error for command SSE error: TypeError: fetch failed: connect ECONNREFUSED 127.0.0.1:3333, connect ECONNREFUSED ::1:3333
2025-04-07 16:44:30.228 [error] -mcp: Error in MCP: SSE error: TypeError: fetch failed: connect ECONNREFUSED 127.0.0.1:3333, connect ECONNREFUSED ::1:3333
2025-04-07 16:44:33.233 [error] -mcp: Client error for command SSE error: TypeError: fetch failed: connect ECONNREFUSED 127.0.0.1:3333, connect ECONNREFUSED ::1:3333
2025-04-07 16:44:33.233 [error] -mcp: Error in MCP: SSE error: TypeError: fetch failed: connect ECONNREFUSED 127.0.0.1:3333, connect ECONNREFUSED ::1:3333

[fls-pax]

same issue on Linux