MCP connectors for ChatGPT

Citybikes

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Citybikes MCP — wraps CityBik.es API (free, no auth required)

cityparity

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cityparity compares two cities on the numbers that actually decide a move.

• Compare Cities: Compare two cities for one household: take-home pay, full cost breakdown, the equivalent target salary needed to match source net cash, non-cash lifestyle deltas (vacation, parental le
• List Cities: List all city slugs supported by cityparity, grouped by country. Call this first to discover valid slugs before any other tool; the optional country filter narrows to one country. Read-on
• Get City Summary: Concise profile of one city: currency, tax shape (bracket count + top rate + payroll/national insurance), headline costs (rent / groceries / transit / childcare), safety-net values (

cityparity — Cost-of-Living & Quality-of-Life Comparison

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Cost-of-living & quality-of-life comparison: take-home pay, equivalent salary, safety-net deltas.

Free city-walk planner: day-by-day self-guided walking itineraries for 50+ cities.

CIV.IQ

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U.S.

• Lookup Representatives: Find federal legislators by full street address (most accurate) or by state. A full address resolves the exact congressional district via Census Geocoder. Returns bioguideId, n
• List State Delegation: List all federal legislators for a state (both senators and all House representatives).
• Get Representative Profile: Get detailed profile for a specific legislator including committees, social media, biography, and contact info.

CivicDataForge Government Evidence

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Connect AI agents to 10 source-bound government-record evidence tools plus 4 run helpers.

• Civicdataforge Civicdataforge Evidence Gateway: Use for routing a supported U.S. property, India company or supplier, restricted-party, EPA facility, or rights-first China-facing intake task into one
• Civicdataforge Str Permit Registry: Use for address, permit-ID, or jurisdiction research across 30 supported US short-term-rental permit sources. For Florida statewide DBPR lodging licenses, use fl-db
• Civicdataforge Fl Dbpr Vacation Rentals: Use for Florida statewide DBPR vacation-rental and lodging-license evidence. For municipal STR permits use str-permit-registry; for code violations use propert

CivicDataForge Public-Records Data

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Ten government-record evidence tools for property, healthcare, facilities, Norway, and routing.

Parametric estimating engine: CESMM4/NRM2/SMM7/MMHW Bills of Quantities for civils assemblies.

CivilQuants

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CivilQuants computes audit-traceable Bills of Quantities for civil-engineering assemblies — culverts, manholes, retaining walls, pavements, drainage…

• Compute Connection To Existing: Paid tier only. Calling this without an authenticated CivilQuants account returns TIER_INSUFFICIENT — sign up at https://civilquants.com/pricing or use the free-tier al
• Compute Hard Material In Trench: Paid tier only. Calling this without an authenticated CivilQuants account returns TIER_INSUFFICIENT — sign up at https://civilquants.com/pricing or use the free-tier a
• Compute Ditch: Paid tier only. Calling this without an authenticated CivilQuants account returns TIER_INSUFFICIENT — sign up at https://civilquants.com/pricing or use the free-tier alternative compute

civiq

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U.S.

Structured knowledge base for AI agent solutions.

ckg-nvidia-ai

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NVIDIA AI developer stack as a traversable knowledge graph — 20 domains (NIM, NeMo, TensorRT-Triton, Isaac, Cosmos, DRIVE, Clara, Jetson, Riva, OpenShell and…

• List Domains: List all 20 NVIDIA AI domains available in this knowledge graph.
• Search Concepts: Find concepts in a NVIDIA AI domain by keyword. Args: query: Search term — e.g. 'inference', 'sandbox', 'quantization', 'guardrails'. domain: Domain name from list_domains() — e.g. 'n
• Query Ckg: Traverse the NVIDIA knowledge graph from a concept — prerequisites and dependents. Args: concept: Concept name (partial match supported) — e.g. 'TensorRT', 'NIM', 'Isaac Lab'. domain: Domai

ClaimHit

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Find products & standards using a patent - verified targets for licensing or enforcement.

Findet Kfz-Gutachter in Deutschland, zeigt freie Termine und bucht den Besichtigungstermin.

Clairwave

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Ocean acoustics: propagation models, bathymetry, sound speed, vessel noise, live AIS.

Clamp Analytics

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MCP server for Clamp—Web analytics for the agentic era, built for indie hackers and small teams shipping with AI.

• Projects.List: List all Clamp projects this credential can access. Returns each project's id, name, and plan ('free', 'pro', or 'growth'). Use this when the user asks "which sites do you see" or when
• Traffic.Overview: High-level snapshot of website traffic over a period: total pageviews, unique visitors, sessions, bounce rate (%), and average session duration (seconds). Always includes a compariso
• Events.List: Lists custom events (user-defined). Excludes all $-prefixed system and canonical revenue events (`$pageview`, `$pageview_end`, `$web_vital`, `$section_viewed`, `$error`, `$subscription_st

Clamp n into [min,max], numbers discarded

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Clamp n into [min,max], numbers discarded

Deterministic Canadian mortgage calculations for qualification, debt service, LTV, and penalties.

UK personal air quality advice and daily exposure assessment.

Provision and manage a ClaraConverts AI conversion-agent widget: pricing, trials, account setup.

clariBI

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AI business intelligence: sign up, ingest data, run analyses, generate reports from any MCP client.

clariBI.com

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clariBI exposes a Model Context Protocol server so external LLM clients (Claude Desktop, Cursor, ChatGPT custom GPTs, generic MCP-aware agents) can create…

• Check Integration Status: Poll an OAuth handoff initiated by request_oauth_integration_url. Returns the current status (pending, connected, failed, expired) and, when connected, the data_source_id you
• Check Pricing: List clariBI subscription tiers with prices, AI credits, data source limits, user limits, and headline features. No authentication required.
• Create Checkout Session: Create a Stripe Checkout URL the user can open in a browser to upgrade their clariBI subscription. Payment cannot happen inside the LLM; this tool returns a URL.

Clarid Compliance

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Check bank marketing for FDIC, NCUA, TILA, Reg DD, Reg Z, UDAAP, and Equal Housing compliance.

Clarid HMDA Validator

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Validate HMDA LAR files against CFPB edit checks for community banks and credit unions.

Clarigrid

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Read-only electricity, gas, and weather data with structured provenance and units.

ClariLayer

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Individual-analyst context layer: recall, remember, and reconcile your data and engineering context.

Clarity AI

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Access ESG and sustainability data for companies and portfolios.

• Search Securities: Search securities by keyword, ISIN, or CUSIP through the upstream Clarity SFDR demo API.
• Sfdr20 Assess Fund Name: Preferred for fund names, partial names, and natural-language requests. Resolve a fund from free-text (for example S&P 500 or Nordea 1 Global Climate and Environment), then ru
• Sfdr20 Check By Isin: Use only when the user already provided an explicit ISIN. Do not use for fund names, partial names, or natural-language fund requests; use sfdr20_assess_fund_name instead.

Clarity by Health AI

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Condition-aware ingredient and product checks for agents, with evidence tiers and citations.

Clash Royale

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Clash Royale player, clan, war, tournament, rankings, cards.

Classifier

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Classify raw text into structured triage objects with intent, urgency, category, and sentiment.

• Triage Text: Classify raw unstructured business text into a structured triage object with intent, urgency, sentiment, entities, suggested routing, summary, tags, and confidence score.