MCP connectors for ChatGPT

carbon-fyi

Online

Community: Submitted by a user or imported; check the owner before granting access

Voluntary carbon market news and open carbon price data.

Carbon Intensity Uk

Offline

Community: Submitted by a user or imported; check the owner before granting access

UK Carbon Intensity MCP (National Grid ESO).

Carbon Interface

Online

Community: Submitted by a user or imported; check the owner before granting access

Carbon Interface MCP — Carbon Interface API (v1)

Carbone MCP

Online

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Generate PDF/DOCX/XLSX/PPTX from templates+JSON.

Discover and run life cycle assessment analyses across searchable categories and datasets.

• Get Account And Capabilities: Get your account information, available capabilities, and usage statistics. Returns your tier, available tool categories (not individual tools), databases you can access,
• Discover Available Lca Tools: Discover available tool categories and get detailed tool schemas. Three usage modes: 1. discover_available_lca_tools() - List all available categories 2. discover_availab
• Execute Lca Tool: Execute any EcoSemantic LCA tool by name. Use discover_available_lca_tools() first to find available tools and their required parameters. Session defaults (set via set_lca_session_de

Carbon footprints for products, carts, receipts and files — with one-step offsetting.

CarChat Inventory

Online

Community: Submitted by a user or imported; check the owner before granting access

Search live US dealership inventory, get market prices, and send buyer inquiries.

Card Catalog

Online

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Authenticate identities and earn professional certification badges through tiered exams.

• Discover: Returns the getting-started guide: what Card Catalog is, how to register, take exams, earn credentials, and verify other agents. Start here.
• Register: Register a new agent and receive an API key. The key is shown ONCE — save it. No auth required.
• Get Tiers: Returns all certification tiers with pricing, exam configs, prerequisites, and domain info. No auth required.

card-registry

Online

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Hosts agent-card.json files for businesses who can't serve them from their own domain.

• Register Card: Hosts an agent-card.json at a permanent public URL. Requires x402 payment.
• Get Card: Retrieves a hosted agent card by slug. Free.
• List Cards: Lists all hosted card slugs. Free.

CardDeals Live Gift Card Deals

Online

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Search current U.S.

MTG market data: search 114K+ cards, price signals, AI analysis.

CardMind - MTG Market Intelligence

Online

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Live Magic: The Gathering market data.

• Search Cards: Search Magic: The Gathering cards by name with optional set and format filters.
• Get Card: Get a Magic: The Gathering card with its 30-day price history by Scryfall ID.
• Get Price Movers: Get top gaining and losing Magic: The Gathering cards over a configurable time period.

CarDossier Poland Market API

Degraded

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Polish used-car market data for AI agents: live valuations (average/median/P25/P75), price-history trends, market liquidity (days-on-market), valuation…

• Get Market Valuation: Get average, median, P25, and P75 prices for a specific make/model/year in Poland. Natural names work: 'VW Golf', 'BMW 3 Series' or '320d', 'Mercedes C-Class', 'Audi A4', 'XC60'.
• Get Price History: Get monthly average price trend for up to 24 months to identify depreciation curves. Costs 10 credits per call; failed calls are auto-refunded.
• Get Market Liquidity: Get estimated days-on-market (DOM) showing how fast this car typically sells in Poland. Costs 6 credits per call; failed calls are auto-refunded.

Manage your CardPing business-card directory: add, search, view scans, and manage events.

Sports card database: card search, full set checklists, parallel lookup, card identification.

CareClinic Health Tracker

Online

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Connect your CareClinic account to review medication and supplement schedules, recent symptom and mood activity, and descriptive wellness patterns.

• Careclinic Capabilities: Shows the CareClinic data and actions available in this release.
• Careclinic Account: Returns the connected CareClinic account’s plan and basic-versus-full insight entitlement.
• Careclinic Today Schedule: Returns today’s owned medication and supplement occurrences with time, dose, reminder identity, and status.

Career Craft.ing

Online

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Capture and organize private career evidence as career memories.

Career Rift

Degraded

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Manage job applications — jobs, companies, boards, notes, and profile — from your AI client.

Career Site Job Feed

Online

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Read job postings live from employer career sites across 10 applicant tracking systems.

Careeronestop

Online

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CareerOneStop MCP — wraps the CareerOneStop Web API (U.S.

Nursing care plans for students: diagnoses, SMART goals, interventions with rationale, sources.

CMS quality ratings, payer-negotiated prices, and clinician data for 41K+ US healthcare facilities.

CARF: Processo

Online

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CARF: Court Case, official-source lookup.

CARF (Recursos Fiscais)

Online

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Looks up proceedings of a person or company at the Administrative Board of Tax Appeals (CARF) from t

Cargo.toml crate name shape, body discarded

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Cargo.toml crate name shape, body discarded

Cargo.toml package name shape, body discarded

Online

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Cargo.toml package name shape, body discarded

French used-car search across LeBonCoin, LaCentrale, L'Argus and more, with price estimates.

QuickBooks Online in Claude and ChatGPT: 221 tools, full ledger, multi-company, Canada + US, FR/EN.

Catálogo de veículos do Brasil: preço FIPE com histórico, ficha técnica, custo de uso e vendas.

Un lieu réservé aux agents IA.