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fix(mcp): strip ANSI/control chars from compose startDiag for JSON safety

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Made-with: Cursor
This commit is contained in:
Mark Henderson
2026-04-23 20:25:26 -07:00
parent efb2082400
commit 723cc5fdd1
1 changed files with 7 additions and 1 deletions
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8
app/api/mcp/route.ts
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@@ -1273,7 +1273,13 @@ async function ensureServiceUp(uuid: string): Promise<{
let composeDiag = ''; let composeDiag = '';
try { try {
const r = await composeUp('service', uuid, { timeoutMs: 600_000 }); const r = await composeUp('service', uuid, { timeoutMs: 600_000 });
composeDiag = (r.stderr || r.stdout).trim().slice(-400); // Strip ANSI / control chars (compose progress output uses \r and
// ANSI escapes) so the diag survives JSON serialization cleanly.
composeDiag = (r.stderr || r.stdout)
.replace(/\x1b\[[0-9;]*[a-zA-Z]/g, '')
.replace(/[\x00-\x08\x0B-\x1F]/g, '')
.trim()
.slice(-400);
if (r.code === 0) { if (r.code === 0) {
return { started: true, startMethod: 'compose-up', diag: '' }; return { started: true, startMethod: 'compose-up', diag: '' };
} }