MCP servers for Codex CLI

160+ calculators: take-home pay for 166 countries, mortgage, loan, VAT, BMI, dates, units, currency.

Automatic Brazilian legal calculators: monetary correction and debt settlement, with correction by IPCA.

Deterministic calculator letting an LLM evaluate, simplify and verify mathematical computations.

Publish a live calculator, tracker, tool, or game from Cursor, Claude, or ChatGPT.

FGTS calculation for AI: update FGTS amounts and differences with official correction and interest.

Interest and penalty calculation for AI: apply simple or compound interest, penalty and official correction.

2,400+ calculators and unit converters with exact results and a live calculator card in the chat.

Paid source-linked California electrical contractor license preflight.

Net worth percentile by age (Federal Reserve data) and retirement savings calculators. Free.

Public holidays for 150+ countries, business-day maths and timezone lookup

Score call recordings: booked or lost, lead quality, missed questions, 0 to 10 score, next step

Manage CallKaro voice agents, phone numbers, call queues, and place single or batch AI calls.

Place AI voice phone calls to Indian (+91) numbers from chat and get back what the person said.

Live hotel rates worldwide: search stays, property detail, all-in room prices, human phone desk.

Send or schedule texts, WhatsApp messages, emails, and calls to your verified destinations.

A calorie MCP that looks up calories and macros from a 4M+ food catalog, not model guesses.

Licensed CA agency: GL, workers' comp, auto, bonds. Check appetite or send a quote request.

Connect AI agents to shared product marketing intelligence in Calven.

Hosted MCP for Google Ads, Search Console, GA4 and Merchant Center: ask, build, approve changes.

Cloudflare Worker for read-only recall of cambium knowledge. MCP 2026-07-28, dual-era.

Free to compete: testnet faucet funds everything. Measure true campaign lift.