IP address lookup with geolocation, ISP, threat scoring, and VPN detection

Persistent memory storage for AI agents — store, retrieve and clear across sessions

Validate, format, minify and compare JSON instantly — built for AI agents

Crypto-random UUID v4 and sortable ULID generation in batches for agents

Deterministic HMAC webhook signature verification with presets for Stripe, GitHub, Shopify, Slack, and Svix

Deterministic mortgage refinance analysis — LTV, PMI removal, points break-even, cash-out, and rate-and-term savings for home-finance agents

Build a signed webhook envelope + ready-to-send request for Stripe, GitHub, Shopify, Slack, Svix, or generic HMAC

Deterministic loan refinance analysis — current vs new payment, monthly & lifetime savings, and break-even months for refinancing agents

Parse HTTP Accept headers and negotiate content type

Deterministic IPv4 CIDR math — subnet boundaries, usable host ranges, and overlap detection for network agents

Stateless AES-256-GCM encrypt/decrypt for agents — real crypto, caller-owned keys, nothing stored

Deterministic timezone conversion and UTC normalization from absolute instants for agents

Deterministic webhook config + payload best-practice checklist — HTTPS, signature, replay, idempotency, timeouts, JSON

One-call personal-finance planner — composes financial-health, emergency-fund, and refinance analysis into a prioritized action plan

Deterministic JSON conversion to CSV, JSON, or JSONL with nested flattening and type inference for data agents

Deterministic cron parsing — plain-English description + next run times in any IANA timezone (DST-aware) for scheduling agents

Deterministic unit conversion across 8 measurement categories for agents — exact SI math, never estimated

Deterministic webhook delivery-health score from an attempt log or aggregate stats — score, rates, latency, retry policy

Deterministic emergency-fund target, coverage, gap, and time-to-goal — months scaled by job stability and dependents

Deterministic 0–100 financial-health score and grade from savings rate, debt-to-income, emergency coverage, and solvency