MCP connectors for ChatGPT

calendar-bridge

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Connects ChatGPT to your Apple Calendar via a local Mac agent + Vercel relay

calendar-ics-reader-events-freebusy-conflicts

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Read the .ics your calendar exports: events in a window, free-busy, double bookings, export.

calendar-mcp

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China holidays and lunar calendar lookup, solar-to-lunar conversion and yearly schedule.

CalendarMCP

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Hosted Google Calendar MCP server for AI agents.

Calendly

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Calendly MCP Pack — wraps the Calendly API v2 for scheduling data.

Calera FINSEC — Certified SEC Memory

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Certified SEC EDGAR fact memory for AI agents with zero hallucination and filing provenance.

Cali Elangdell

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CALI eLangdell MCP — the free, Creative Commons-licensed US law-school

calibration-routing

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Route tasks by measured judgment quality: third-party-verified, Brier-based calibration records.

Calibrd Agent

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Would you make the shortlist?

California Code

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California Codes — the text of California statutes, by citation.

California DMV

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California DMV: vehicle and EV registrations by ZIP, field offices, forms, insurer NAIC codes

Call For Me

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Give your AI agent a phone.

callable

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API for AI agents to delegate tasks to real humans.

CallKaro Voice AI Operations

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

callmybot-cookbook-mcp-server

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Count occurrences of any character in your text instantly.

callmybot-domoticz

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Greet anyone by name with a friendly hello.

callmybot-hello-mcp-server

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Generate quick, friendly greetings by name.

CallSync – Business Call Logging & Management for SIM-Based Teams

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CallSync MCP Server: Connect SIM-Based Call Logs to AI Agents 📞🤖 CallSync is a powerful mobile-first sales CRM and call tracking ecosystem built for modern…

• List Calls: List call logs sorted by most recent. Default 5 per page, max 10. Returns total matching filters. Search covers phone, name, note, employee, AI summary/transcription/reason/sentiment.
• List Callers: List recent unique callers (limit 20). Supports search.
• List Employees: List employees/devices in the org. Shows name, phone, last sync, battery, device model, archived status.

CalmActiva

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Realtime CBD product catalog, prices, stock and FAQ from CalmActiva.

CalmSEO

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SEO MCP server for keyword research, SERP analysis, audits, and Search Console workflows.

Cambio Uruguay

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Live buy/sell rates from 40+ Uruguayan exchange houses: best rates, conversion, history and news.

cambrian-api

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Cambrian API MCP: Solana and EVM DeFi data, Deep42 social intelligence, and perpetual risk analysis.

Cameron Rye Portfolio MCP Server

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Cameron Rye's blog, projects, resume, and live site stats, plus contact and newsletter tools.

Campaign Incrementality Audit

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Free to compete: testnet faucet funds everything.

can-immune

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Query CAN-IMMUNE: cancer neoantigen mutations, peptides, cell lines, MHC-I binding.

CAN-TAP Verified

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Free dofollow backlinks for Canadian businesses.

Canada Payments (Stripe — cards / Apple Pay)

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Canada payments for AI agents — cards / Apple Pay via Stripe.

Canada Tenders

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Canada Government Procurement MCP — CanadaBuys open data (keyless).

Canadian Building Code

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Access and search comprehensive Canadian building regulations for construction and compliance reference.

• List Codes: List all available Canadian building codes with section counts
• Search Code: Search for building code sections by keywords (e.g., 'fire separation', 'stair width')
• Get Section: Get details of a specific section by ID

Canadian postal code shape, value discarded

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Canadian postal code shape, value discarded