MCP servers for Codex CLI

A self employment tax calculator and quarterly estimated tax planner for 2026.

Read properties, HMRC categories and transactions; add income and expenses in Quarterwise.

Read vehicle and driver positions, trips, trip summaries and groups in Quartix.

Read-only guide to Quasar, the AI-agent-first project management tool. No sign-in needed.

30+ deterministic dev and delivery tools: linting, metrics, diagrams, model advice, AI-text checks.

Analyze SEO and AI visibility, compare competitors, and find growth opportunities with Quattr data.

Pay-per-call TRON fee, payment, and address checks. Agents pay USDT or USDC.

Search, browse, and save notes into your Quberi knowledge base. Signs in with your Quberi account.

Sourced facts on Queenstown, Fiordland and Wanaka: activities, walks, routes, tours, places to eat.

Query pair count, URL discarded

Query selected Google and Bing analytics, search, and advertising reports through MCP.

Governed SQL access to your databases: redaction, query review and an audit log.

Hire a verified local human for small real-world tasks your AI agent can't do.

Reporting, callback operations, queue settings and Custom IVR flows for RingCentral call queues.

Ask your Quickbase apps in plain language. Read-only by default; writes need human approval.

Query records, run reports and formulas, and insert or update records in Quickbase.

QuickBASIC MCP: 20 real tools to read, check, lint, scaffold, build and run QuickBASIC code.

Find certified QuickBooks ProAdvisor accounting firms by city with phones and websites

Free no-LLM token savers: URL→Markdown, outline, JSON trim, log compress, token count; x402 extras

Uptime checks, status pages, incidents, and maintenance for websites, APIs, DNS, and TCP.

Exact unit conversion with the factor and a citable page URL. Answers in your language.