The official CLI for www.P99market.com

Lightweight, zero-dependency Express middleware for server latency profiling — p50/p95/p99, slow-request capture, event-loop lag, GC tracking.

Zero-dependency HTTP monitoring, APM metrics, percentile latencies (p50/p90/p95/p99), threshold alert callbacks, Prometheus format exporter, slow request profiler, and real-time embedded web dashboard for Express.js.

Benchmark LLM streaming — TTFT, TPS, p50/p95/p99, cost ceiling, and regression diffing across OpenAI and Anthropic.

Lightweight, zero-dependency Express middleware for server latency profiling — p50/p95/p99, slow-request capture, event-loop lag, GC tracking.

API latency testing with p50, p95, p99 percentile analysis for CI/CD

TypeScript implementation of DDSketch, a distributed quantile sketch algorithm

⚡ High-performance synthetic prompt generation with genetic evolution, streaming, and multi-model routing. 90%+ cache hit rate, <15ms P99 latency, no Redis required.

StreetJS telemetry foundation: an in-process metrics tracker with bounded ring-buffer retention — heap/RSS sampling, request counters, and p50/p99 latency percentiles, plus a health snapshot. Zero runtime dependencies.

Benchmark REST/GraphQL endpoints with JSON/CSV output for p50/p90/p97.5/p99, throughput, and error rate.

PGP library for renovate

Vital signs for your MCP server: inspect capabilities, benchmark tool-call latency (p50/p95/p99), and assert health in CI. The ab/k6/pytest for MCP servers — non-interactive, scriptable, LLM-free.

Generic performance harness v0.3 strict — p50/p95/p99 measurement + regression detection + baseline persistence + 3-layer harness (serial + concurrent + memory) + strict mode (iter 400 + Welch |t|>3 + p95 delta 10%) + 38 package coverage + 14-axis release

Lightweight HTTP load benchmark — RPS, p50/p95/p99 latencies, status code breakdown, zero dependencies

Métriques & test de charge façon Apache JMeter pour l'écosystème @mostajs/* : scénarios HTTP, montée en charge, percentiles (p50/p90/p99) via t-digest zéro-dépendance, débit, taux d'erreur, seuils. Bâti sur le client HTTP de @mostajs/mjs-unit/web.

Profiles @zakkster/lite-scheduler priority lanes through its public surface only -- per-lane task-time distributions (avg/p99/max), counts, and single-task budget overruns. No private-field poking, no monkeypatching. Built on lite-ring-buffer + lite-stats

Instrumentation agent for ExpressoTS Studio - route discovery, tracing, and request recording

Encodes and decodes abi data, fast.

Measure API endpoint response time percentiles (p50/p95/p99) from the CLI

Transforming XML to JSON using Node.js binding to native pugixml parser library