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TrackJS Replacement

Built by Feature Forge · 2026-04-17

TrackJS starts at $79/month with strict error limits before overages kick in. MeterCall captures the same telemetry timeline, network trail, and usage context for frontend JS errors — metered per error grouped, no error ceiling.

telemetry-timeline network-trail usage-context per-error
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'; runEl.disabled = true; fetch('https://metercall-claude.patrickjameslinden.workers.dev', { method: 'POST', headers: { 'Content-Type': 'application/json', 'X-MC-Token': (window.__mcToken || '') }, body: JSON.stringify({ prompt: prompt, module_id: slug, history: history }) }).then(async function(res){ if (!res.ok) throw new Error('gateway_'+res.status); var reader = res.body.getReader(); var decoder = new TextDecoder(); var buf = ''; var acc = ''; var last = 0; while (true) { var chunk = await reader.read(); if (chunk.done) break; buf += decoder.decode(chunk.value, {stream:true}); var parts = buf.split('\n\n'); buf = parts.pop(); for (var i=0;i 400 && acc.indexOf('/, '').trim(); if (htmlPart.indexOf(' 20) history.splice(0, history.length - 20); runEl.disabled = false; }).catch(function(err){ statusEl.textContent = 'Error: ' + err.message + ' — try again.'; runEl.disabled = false; }); } })();