Serverless APIs on Cloudflare Workers — AI cost tracking, Korean market data, security scanning, and developer tools. Every API ships with an MCP endpoint for AI agent integration.
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125 production APIs on Cloudflare Workers. Each includes REST + MCP endpoints, npm package, and GitHub source.
WCAG 2.1 AA audit at the edge — URL/HTML scan, color contrast ratio, heading order, ARIA/role checks. No headless browser needed.
Persistent memory store for AI agents. CRUD operations with namespace isolation and TTL support.
Temporary key-value storage for AI agent workflows. Store intermediate results, share state between steps.
Generate changelogs from git diffs and commit messages. Keep-a-Changelog format with semantic versioning.
Compare token costs across GPT-4o, Claude 3.5, Gemini & 30+ models. Batch estimation & budget forecasting.
Automated evaluation of LLM responses — accuracy, relevance, safety scores. Benchmark models without manual review.
Unified proxy for OpenAI, Anthropic, Google APIs. Caching, rate limiting, cost tracking, and failover in one endpoint.
Content safety, PII detection, and hallucination scoring for LLM outputs. Guard your AI pipeline at the edge.
Rewrite AI-generated text to sound natural and human. Bypass AI detectors with style-aware paraphrasing.
Intelligent routing between GPT-4, Claude, Gemini based on task complexity and cost threshold. Auto-selects cheapest model that meets quality bar.
Analyze prompts for token efficiency, clarity, and effectiveness. Returns optimized version with estimated token savings.
Real-time status, latency, and outage tracking for OpenAI, Anthropic, Google AI. Webhook alerts on incidents.
Track and predict AI provider rate limits. Get warnings before hitting caps. Optimal request scheduling.
Track AI spending across OpenAI, Anthropic, Google, Mistral & DeepSeek. Budgets, alerts, cost optimization.
Pre-flight token counting for GPT-4, Claude, Gemini. Estimate costs before sending requests.
Track breaking changes across third-party APIs. Get alerts when endpoints change schema or behavior.
Api Composition Gateway API API on Cloudflare Workers.
Validate API responses against OpenAPI schemas. Catch contract violations before they reach production.
Estimate API hosting costs across AWS, GCP, Cloudflare, Vercel. Compare pricing for your traffic patterns.
Monitor API responses for unexpected changes. Diff snapshots, detect regressions, alert on schema drift.
Generate mock API servers from OpenAPI specs. Realistic fake data, latency simulation, error scenarios.
Benchmark API endpoint performance. Measure latency, throughput, error rates across regions.
Api Request Deduplicator API API on Cloudflare Workers.
Explain code snippets in plain English. Support for 20+ languages with line-by-line annotations.
AI-powered code review — security scanning, diff review, complexity analysis. Integrates with GitHub PRs.
HEX/RGB/HSL/CMYK conversion, harmonies, WCAG contrast checking, gradient generation.
Cron Collision Detector API API on Cloudflare Workers.
Dead man's switch for scheduled tasks. Get alerted when cron jobs miss their heartbeat window.
Human-readable explanations, next-N runs, validation, natural language to cron. 5/6-field support.
Real-time signals: SMA, RSI, MACD, Bollinger. Multi-timeframe analysis with buy/sell/hold for 100+ pairs.
FIFO/LIFO/Average cost basis. Multi-exchange, DeFi, staking. Tax brackets for US, UK, EU.
JSON/CSV/XML conversion, flatten, filter, sort, aggregate stats. Handles 10MB+ payloads.
Scan npm, pip, and Go packages for known CVEs. SBOM generation and license compliance checks.
LCS-based text diffing, unified patch generation, and patch apply. Compare up to 2000 lines per side at edge speed.
WHOIS, DNS, SSL, reputation, and phishing detection for any domain. Comprehensive domain intelligence in one call.
8-layer validation: MX, SPF, 550+ disposable domains, typo correction. Cuts bounce rates by 90%.
Generate embeddings and semantic search in one API call. Multi-provider support with vector similarity ranking.
Env Blueprint Validator API API on Cloudflare Workers.
Names, emails, addresses, UUIDs, custom schemas. 10+ locales, batch up to 1000 records.
Feature flag and A/B testing API. LaunchDarkly alternative on Cloudflare Workers with KV-backed persistence.
102 Google Fonts metadata, 35 curated pairings with rationale, CSS generation, font stack builder, language support check.
Serverless form submission backend. Spam filtering, email notifications, webhook forwarding. No server needed.
Korean public data as clean JSON. Exchange rates, holidays, economic indicators.
Extract structured JSON data from HTML pages. CSS selector-based extraction with schema mapping.
Interactive Api Playground API API on Cloudflare Workers.
Country, city, coordinates, timezone, ISP, ASN. Sub-50ms from Cloudflare edge.
Auto-infer schemas, validate, generate TypeScript, create mock data, diff versions, produce docs.
Translate JSON values while preserving keys and structure. Batch translation for i18n workflows.
Generate, validate, decode, and refresh JWT tokens. JWKS endpoint management and key rotation.
Korean address to coordinates conversion. 도로명/지번 support. Reverse geocoding. Essential for delivery and logistics apps.
Look up Korean companies by business registration number. Industry, representative, founding date, status in English.
KRW exchange rates, Bank of Korea base rate, and consumer price index. Real-time and historical data.
Korean PIPA compliance scanner. URL to risk score + violation report.
The ONLY MCP for Korean financial data. KOSPI/KOSDAQ, stocks, exchange rates, Kimchi Premium, news.
Korean government data in English: weather, exchange rates, holidays, transport, stocks.
Korean address normalization, parsing, validation, geocoding, postal code lookup. 80+ areas built-in. The ONLY Korean address API with MCP.
Validate and normalize Korean addresses via Juso.go.kr. Standardized output with postal codes and coordinates.
Validate Korean BRN (사업자등록번호) with checksum, corporate registration numbers, and phone formats. English-friendly.
SEO analysis optimized for Korean content. Keyword density, Naver/Daum ranking factors, meta tag optimization.
Official Korean public holidays, substitute holidays, and business day calculator. Updated annually from KNPS data.
Korean text processing — tokenization, morphological analysis, sentence splitting, and jamo decomposition.
Korean SMS/LMS/MMS template builder with character counting. 080 opt-out compliance. Carrier-ready formatting.
Track trending topics across Korean social platforms. Real-time keyword analysis and sentiment scoring.
Generate Korean-style social proof widgets. Review summaries, purchase counts, trust badges for Korean e-commerce.
Detect risky clauses in contracts and terms of service. Non-compete, liability, auto-renewal flagging.
Score LLM outputs on accuracy, relevance, coherence, and safety. Automated eval without human review.
50+ LLM models with real-time pricing. Compare GPT-4, Claude, Gemini, DeepSeek costs per token across providers.
Cost-optimized routing across OpenAI, Anthropic, Gemini. Pick the cheapest model that meets your quality threshold.
MD to HTML and back, TOC extraction, link extraction, linting. Perfect for doc pipelines.
Structure raw meeting notes into action items, decisions, and summaries. Markdown and JSON output.
Multi-Webhook Verifier — One Endpoint, 12 Providers API on Cloudflare Workers.
Convert any OpenAPI spec into an MCP server. Bridge existing REST APIs into the MCP ecosystem instantly.
Generate TypeScript, Zod, or JSON Schema types from OpenAPI specs. Type-safe API clients in seconds.
Entropy, crack-time across 6 scenarios, 10K common password check. Drop-in zxcvbn alternative.
Detect and redact PII from text — 30+ patterns including Korean-specific identifiers (주민번호, 사업자번호). GDPR/PIPA ready.
한국 PII 특화 redactor — 주민등록번호 (체크섬 검증) / 사업자등록번호 / 법인등록번호 / 010 핸드폰 / 한글 주소 / 계좌. + 카드 (Luhn) / SSN / IBAN / 이메일 / IP. 4 mask 모드 (partial/tag/hash/remove).
SVG & PNG placeholders, avatar initials, geometric patterns. Custom dimensions & colors.
Production Request Debugger API API on Cloudflare Workers.
Indirect prompt-injection firewall — RAG chunks, tool output, scraped pages, email. Detects override patterns, role takeover, exfil URLs, base64 payloads, unicode tag smuggle, bidi tricks. 20 deterministic signatures.
Prompt injection, jailbreak, and PII detection for LLM applications. Pattern-based analysis with severity scoring.
URLs, vCards, WiFi, email, SMS. SVG & base64 PNG. Error correction L-H. Sub-100ms on edge.
Test, match, replace, split, validate, and get plain-English regex explanations.
Extract structured data from resumes. Skills, experience, education parsed into clean JSON.
Semantic Response Cache API API on Cloudflare Workers.
Full-page SEO audit: meta tags, heading hierarchy, links, alt text, performance. Priority-ranked fixes.
Scan Solidity for 13 vulnerability patterns: reentrancy, overflow, access control. Fix suggestions included.
Multi-dialect SQL static analysis — linting, 14+ anti-patterns (N+1, SELECT *, ORDER BY RAND, deep OFFSET), pseudo-plan, quality score. No DB connection required.
7 valuation methods (DCF, Berkus, Scorecard, VC, comparables) in one call. Investor-ready reports.
Validate and auto-repair LLM structured outputs on the edge. JSON schema enforcement without extra LLM calls.
Detect 150+ technologies across 14 categories. CMS, frameworks, analytics, CDN, hosting, payments, chat & more from any URL.
Sentiment, Flesch-Kincaid readability, keyword extraction, 50+ language detection. No ML needed.
IP reputation, domain safety scoring, and CVE lookup. Threat intelligence feed for security automation.
400+ cities, DST-aware conversion, meeting planner for multi-timezone teams.
Allocate and track token budgets across teams, projects, and models. Prevent cost overruns with hard limits.
Scan npm/pip/go packages for CVEs. SBOM generation and license check. Shift-left security for CI/CD.
Capture, store, and replay webhook payloads. Debug third-party integrations without a server. Persistent inbox with KV storage.
Forward, transform, and retry webhooks across services. Fan-out to multiple destinations with delivery guarantees.
Webhook Reliability Suite API API on Cloudflare Workers.
Every API runs on Cloudflare's 330+ edge locations. Your users get fast responses regardless of geography.
Every API ships with an MCP endpoint. Plug into Claude, GPT, Cursor, or any MCP-compatible agent with one command.
Full source on GitHub. Audit the code, fork it, self-host it. No vendor lock-in.
The only MCP provider for Korean financial data, addresses, business validation, and government data in English.
35 Chrome extensions, all v0.4.0 published — AI FinOps · Korean-market privacy & lookup · Polymarket / KR pre-market trading edge. Each ships with a real Pro license verified against Gumroad's official endpoint, a public privacy policy, and signed zip you can load right now. Chrome Web Store listings in final rollout. Pro license unlocks 30-day history sparkline + CSV export across the lineup.
Pin today's combined OpenAI + Anthropic console spend to your toolbar. Daily roll-up + Pro 30-day sparkline + CSV export. Local-first.
Catch Korean PII (phone, RRN with checksum, email) before you screen-share. Pro DOM auto-mask toggle + 30-day scan history.
Detect 10-digit 사업자등록번호 inline and validate with the official 국세청 checksum. Pro adds history sparkline + CSV export.
Stripe + Polar + Gumroad MRR consolidated in a single popup. Pro adds 30-day sparkline + per-platform breakdown + CSV.
Surface oracle settlement lag inline on polymarket.com so you spot arbitrage windows before the market resolves. Pro 24h sparkline + CSV.
AI-scored earnings sentiment overlaid on finance.naver.com for KR pre-market traders. Pro adds watchlist + 24h history + CSV.
Polymarket 포지션 실시간 watch — NAV / unrealized / 24h closes 한 화면. 봇 운영 중인 트레이더용.
Cloudflare Workers 월 사용량 + paid plan threshold 알림 ($10 default). 100+ workers 운영자용.
Gumroad seller utility — Gumroad Sales Pulse
Claude/Anthropic developer tool — Claude Prompt Vault
dev.to writer utility — Devto Mention Tracker
Hacker News reader utility — Hn Saver With Tags
MCPize utility — Mcpize Quick Call
Korean market utility — Korean News Trans Stamp
AI workflow utility — Ai Context Sweeper
Claude/Anthropic developer tool — Claude Token Bar
MRR / revenue utility — Mrr Chart Overlay
Vercel ops utility — Vercel Deploy Pulse
Lumen Chrome utility — Stripe Payout Bar
Lumen Chrome utility — Pdf Bookmark Bridge
Threads automation utility — Threads Auto Poster
Gumroad seller utility — Gumroad Receipt Bookmark
Claude/Anthropic developer tool — Claude Usage Extension
Lumen Chrome utility — Ig Content Template
Polymarket trading utility — Pm Recoup Tracker
OpenAI/ChatGPT developer tool — Chatgpt Cost Cap
Polymarket trading utility — Polymarket Volume Flash
OpenAI/ChatGPT developer tool — Openai Key Rotator
Cloudflare ops utility — Cf Error Flash
Lumen Chrome utility — Polar Sales Overlay
Lumen Chrome utility — Supabase Row Counter
Lumen Chrome utility — Rapidapi Quota Watch
Lumen Chrome utility — Fly Deploy Radar
Lumen Chrome utility — Neon Billing Pulse
Lumen Chrome utility — Railway Cost Monitor
Bundles and reports for developers who want immediate value. Lifetime licenses and monthly pro access.
Monthly Pro subscription. Unlocks @lazymac/mcp + k-mcp (unified MCP servers), 40+ pre-built n8n workflow templates, MCP config presets (Claude/Cursor/Windsurf), all future updates, priority support. Cancel anytime on Gumroad.
16 most-popular MCP server security audit with A-F letter grades, full leaderboard, copy/paste fix recipes. 10 OWASP-aligned check categories. Live data from the MCPWatch crawler — passive heuristic scan, not AST. Includes free CLI (npx mcpwatch-scanner) and free GitHub Action. Updated monthly.
Premium prompts, AI coding rules, and n8n workflow templates for builders who want usable AI systems fast.
Standalone rules pack for Cursor, Claude Code, and Copilot users who want less generic AI-generated code.