[Bug] Anthropic API Error: Tool name exceeds 128 character limit

Bug Description
API Error: 400 tools.18.custom.name: String should have at most 128 characters

Environment Info

• Platform: darwin
• Terminal: cursor
• Version: 2.1.280
• Feedback ID: 4c72d0b0-b79e-4eef-a4c1-5dfda146995b

Errors

[{"error":"Error: 400 {\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"tools.18.custom.name: String should have at most 128 characters\"},\"request_id\":\"req_011CfK8PZ4vmdim2XM2LJmUw\"}\n    at generate (/$bunfs/root/chunk-yn3me4dk.js:11:14235)\n    at makeRequest (/$bunfs/root/chunk-yn3me4dk.js:51:8033)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-09-22T20:43:00.915Z"},{"error":"Error: 400 {\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"tools.18.custom.name: String should have at most 128 characters\"},\"request_id\":\"req_011CfK8QBCp4KWcekkPLuAh7\"}\n    at generate (/$bunfs/root/chunk-yn3me4dk.js:11:14235)\n    at makeRequest (/$bunfs/root/chunk-yn3me4dk.js:51:8033)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-09-22T20:43:09.374Z"}]