[Bug] Anthropic API Error: Authorization header is missing with Bedrock Bearer Token

Bug Description
All of a sudden I've started getting a "Authorization header is missing" error when using a Bedrock Bearer Token. :(

Environment Info

• Platform: darwin
• Terminal: Apple_Terminal
• Version: 2.1.94
• Feedback ID: 071c0acb-36c7-4048-8d53-4bb9228ec211

Errors

[{"error":"Error: Tool mcp__playwright__browser_resize not found\n    at cn9 (/$bunfs/root/src/entrypoints/cli.js:1963:30437)\n    at u3 (/$bunfs/root/src/entrypoints/cli.js:479:20982)\n    at XA (/$bunfs/root/src/entrypoints/cli.js:479:39522)\n    at a0 (/$bunfs/root/src/entrypoints/cli.js:479:50213)\n    at CxH (/$bunfs/root/src/entrypoints/cli.js:479:86887)\n    at A5H (/$bunfs/root/src/entrypoints/cli.js:479:85851)\n    at z5H (/$bunfs/root/src/entrypoints/cli.js:479:85672)\n    at oMH (/$bunfs/root/src/entrypoints/cli.js:479:82039)\n    at MH (/$bunfs/root/src/entrypoints/cli.js:479:6361)\n    at iV6 (/$bunfs/root/src/entrypoints/cli.js:472:6386)","timestamp":"2026-04-08T00:38:30.681Z"},{"error":"Error: Tool mcp__playwright__browser_navigate not found\n    at cn9 (/$bunfs/root/src/entrypoints/cli.js:1963:30437)\n    at u3 (/$bunfs/root/src/entrypoints/cli.js:479:20982)\n    at XA (/$bunfs/root/src/entrypoints/cli.js:479:39522)\n    at a0 (/$bunfs/root/src/entrypoints/cli.js:479:50213)\n    at CxH (/$bunfs/root/src/entrypoints/cli.js:479:86887)\n    at A5H (/$bunfs/root/src/entrypoints/cli.js:479:85851)\n    at z5H (/$bunfs/root/src/entrypoints/cli.js:479:85672)\n    at oMH (/$bunfs/root/src/entrypoints/cli.js:479:82039)\n    at MH (/$bunfs/root/src/entrypoints/cli.js:479:6361)\n    at iV6 (/$bunfs/root/src/entrypoints/cli.js:472:6386)","timestamp":"2026-04-08T00:38:30.681Z"},{"error":"Error: Tool mcp__playwright__browser_take_screenshot not found\n    at cn9 (/$bunfs/root/src/entrypoints/cli.js:1963:30437)\n    at u3 (/$bunfs/root/src/entrypoints/cli.js:479:20982)\n    at XA (/$bunfs/root/src/entrypoints/cli.js:479:39522)\n    at a0 (/$bunfs/root/src/entrypoints/cli.js:479:50213)\n    at CxH (/$bunfs/root/src/entrypoints/cli.js:479:86887)\n    at A5H (/$bunfs/root/src/entrypoints/cli.js:479:85851)\n    at z5H (/$bunfs/root/src/entrypoints/cli.js:479:85672)\n    at oMH (/$bunfs/root/src/entrypoints/cli.js:479:82039)\n    at MH (/$bunfs/root/src/entrypoints/cli.js:479:6361)\n    at iV6 (/$bunfs/root/src/entrypoints/cli.js:472:6386)","timestamp":"2026-04-08T00:38:30.681Z"},{"error":"Error: Tool mcp__playwright__browser_evaluate not found\n    at cn9 (/$bunfs/root/src/entrypoints/cli.js:1963:30437)\n    at u3 (/$bunfs/root/src/entrypoints/cli.js:479:20982)\n    at XA (/$bunfs/root/src/entrypoints/cli.js:479:39522)\n    at a0 (/$bunfs/root/src/entrypoints/cli.js:479:50213)\n    at CxH (/$bunfs/root/src/entrypoints/cli.js:479:86887)\n    at A5H (/$bunfs/root/src/entrypoints/cli.js:479:85851)\n    at z5H (/$bunfs/root/src/entrypoints/cli.js:479:85672)\n    at oMH (/$bunfs/root/src/entrypoints/cli.js:479:82039)\n    at MH (/$bunfs/root/src/entrypoints/cli.js:479:6361)\n    at iV6 (/$bunfs/root/src/entrypoints/cli.js:472:6386)","timestamp":"2026-04-08T00:38:30.684Z"},{"error":"Error: Tool mcp__playwright__browser_evaluate not found\n    at cn9 (/$bunfs/root/src/entrypoints/cli.js:1963:30437)\n    at u3 (/$bunfs/root/src/entrypoints/cli.js:479:20982)\n    at XA (/$bunfs/root/src/entrypoints/cli.js:479:39522)\n    at a0 (/$bunfs/root/src/entrypoints/cli.js:479:50213)\n    at CxH (/$bunfs/root/src/entrypoints/cli.js:479:86887)\n    at A5H (/$bunfs/root/src/entrypoints/cli.js:479:85851)\n    at z5H (/$bunfs/root/src/entrypoints/cli.js:479:85672)\n    at oMH (/$bunfs/root/src/entrypoints/cli.js:479:82039)\n    at MH (/$bunfs/root/src/entrypoints/cli.js:479:6361)\n    at iV6 (/$bunfs/root/src/entrypoints/cli.js:472:6386)","timestamp":"2026-04-08T00:38:30.684Z"},{"error":"Error: Tool mcp__playwright__browser_evaluate not found\n    at cn9 (/$bunfs/root/src/entrypoints/cli.js:1963:30437)\n    at u3 (/$bunfs/root/src/entrypoints/cli.js:479:20982)\n    at XA (/$bunfs/root/src/entrypoints/cli.js:479:39522)\n    at a0 (/$bunfs/root/src/entrypoints/cli.js:479:50213)\n    at CxH (/$bunfs/root/src/entrypoints/cli.js:479:86887)\n    at A5H (/$bunfs/root/src/entrypoints/cli.js:479:85851)\n    at z5H (/$bunfs/root/src/entrypoints/cli.js:479:85672)\n    at oMH (/$bunfs/root/src/entrypoints/cli.js:479:82039)\n    at MH (/$bunfs/root/src/entrypoints/cli.js:479:6361)\n    at iV6 (/$bunfs/root/src/entrypoints/cli.js:472:6386)","timestamp":"2026-04-08T00:38:30.684Z"},{"error":"Error: Tool mcp__playwright__browser_evaluate not found\n    at cn9 (/$bunfs/root/src/entrypoints/cli.js:1963:30437)\n    at u3 (/$bunfs/root/src/entrypoints/cli.js:479:…

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