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firecrawl-observability

tessl install github:jeremylongshore/claude-code-plugins-plus-skills --skill firecrawl-observability
github.com/jeremylongshore/claude-code-plugins-plus-skills

Set up comprehensive observability for FireCrawl integrations with metrics, traces, and alerts. Use when implementing monitoring for FireCrawl operations, setting up dashboards, or configuring alerting for FireCrawl integration health. Trigger with phrases like "firecrawl monitoring", "firecrawl metrics", "firecrawl observability", "monitor firecrawl", "firecrawl alerts", "firecrawl tracing".

Review Score

78%

Validation Score

12/16

Implementation Score

65%

Activation Score

90%

FireCrawl Observability

Overview

Set up comprehensive observability for FireCrawl integrations.

Prerequisites

  • Prometheus or compatible metrics backend
  • OpenTelemetry SDK installed
  • Grafana or similar dashboarding tool
  • AlertManager configured

Metrics Collection

Key Metrics

MetricTypeDescription
firecrawl_requests_totalCounterTotal API requests
firecrawl_request_duration_secondsHistogramRequest latency
firecrawl_errors_totalCounterError count by type
firecrawl_rate_limit_remainingGaugeRate limit headroom

Prometheus Metrics

import { Registry, Counter, Histogram, Gauge } from 'prom-client';

const registry = new Registry();

const requestCounter = new Counter({
  name: 'firecrawl_requests_total',
  help: 'Total FireCrawl API requests',
  labelNames: ['method', 'status'],
  registers: [registry],
});

const requestDuration = new Histogram({
  name: 'firecrawl_request_duration_seconds',
  help: 'FireCrawl request duration',
  labelNames: ['method'],
  buckets: [0.05, 0.1, 0.25, 0.5, 1, 2.5, 5],
  registers: [registry],
});

const errorCounter = new Counter({
  name: 'firecrawl_errors_total',
  help: 'FireCrawl errors by type',
  labelNames: ['error_type'],
  registers: [registry],
});

Instrumented Client

async function instrumentedRequest<T>(
  method: string,
  operation: () => Promise<T>
): Promise<T> {
  const timer = requestDuration.startTimer({ method });

  try {
    const result = await operation();
    requestCounter.inc({ method, status: 'success' });
    return result;
  } catch (error: any) {
    requestCounter.inc({ method, status: 'error' });
    errorCounter.inc({ error_type: error.code || 'unknown' });
    throw error;
  } finally {
    timer();
  }
}

Distributed Tracing

OpenTelemetry Setup

import { trace, SpanStatusCode } from '@opentelemetry/api';

const tracer = trace.getTracer('firecrawl-client');

async function tracedFireCrawlCall<T>(
  operationName: string,
  operation: () => Promise<T>
): Promise<T> {
  return tracer.startActiveSpan(`firecrawl.${operationName}`, async (span) => {
    try {
      const result = await operation();
      span.setStatus({ code: SpanStatusCode.OK });
      return result;
    } catch (error: any) {
      span.setStatus({ code: SpanStatusCode.ERROR, message: error.message });
      span.recordException(error);
      throw error;
    } finally {
      span.end();
    }
  });
}

Logging Strategy

Structured Logging

import pino from 'pino';

const logger = pino({
  name: 'firecrawl',
  level: process.env.LOG_LEVEL || 'info',
});

function logFireCrawlOperation(
  operation: string,
  data: Record<string, any>,
  duration: number
) {
  logger.info({
    service: 'firecrawl',
    operation,
    duration_ms: duration,
    ...data,
  });
}

Alert Configuration

Prometheus AlertManager Rules

# firecrawl_alerts.yaml
groups:
  - name: firecrawl_alerts
    rules:
      - alert: FireCrawlHighErrorRate
        expr: |
          rate(firecrawl_errors_total[5m]) /
          rate(firecrawl_requests_total[5m]) > 0.05
        for: 5m
        labels:
          severity: warning
        annotations:
          summary: "FireCrawl error rate > 5%"

      - alert: FireCrawlHighLatency
        expr: |
          histogram_quantile(0.95,
            rate(firecrawl_request_duration_seconds_bucket[5m])
          ) > 2
        for: 5m
        labels:
          severity: warning
        annotations:
          summary: "FireCrawl P95 latency > 2s"

      - alert: FireCrawlDown
        expr: up{job="firecrawl"} == 0
        for: 1m
        labels:
          severity: critical
        annotations:
          summary: "FireCrawl integration is down"

Dashboard

Grafana Panel Queries

{
  "panels": [
    {
      "title": "FireCrawl Request Rate",
      "targets": [{
        "expr": "rate(firecrawl_requests_total[5m])"
      }]
    },
    {
      "title": "FireCrawl Latency P50/P95/P99",
      "targets": [{
        "expr": "histogram_quantile(0.5, rate(firecrawl_request_duration_seconds_bucket[5m]))"
      }]
    }
  ]
}

Instructions

Step 1: Set Up Metrics Collection

Implement Prometheus counters, histograms, and gauges for key operations.

Step 2: Add Distributed Tracing

Integrate OpenTelemetry for end-to-end request tracing.

Step 3: Configure Structured Logging

Set up JSON logging with consistent field names.

Step 4: Create Alert Rules

Define Prometheus alerting rules for error rates and latency.

Output

  • Metrics collection enabled
  • Distributed tracing configured
  • Structured logging implemented
  • Alert rules deployed

Error Handling

IssueCauseSolution
Missing metricsNo instrumentationWrap client calls
Trace gapsMissing propagationCheck context headers
Alert stormsWrong thresholdsTune alert rules
High cardinalityToo many labelsReduce label values

Examples

Quick Metrics Endpoint

app.get('/metrics', async (req, res) => {
  res.set('Content-Type', registry.contentType);
  res.send(await registry.metrics());
});

Resources

  • Prometheus Best Practices
  • OpenTelemetry Documentation
  • FireCrawl Observability Guide

Next Steps

For incident response, see firecrawl-incident-runbook.