Search & Research

Cronus UI

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Search, install, compose, add-page, and theme Cronus UI from the live registry.

Crosby, TX Weather

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Crosby, TX weather, air quality, tropics, floods, fishing, pollen, burn bans, radar, news & schools.

crossref-mcp-server

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Resolve DOIs, search ~155M scholarly works, and fetch references via the Crossref REST API.

• Crossref Get Work: Resolves a DOI to its full Crossref metadata record: title, authors, affiliations, abstract (when deposited), journal or container, publication date, type, license, full-text links,
• Crossref Get References: Returns the outgoing reference list for a DOI — the works cited by this paper. Each reference includes the raw citation string and, where Crossref has resolved it, a DOI you c
• Crossref Search Works: Searches the Crossref works index (~155M records) by free text and/or structured filters. Use the filter parameter for structured filtering (object with hyphen-separated Crossre

Crossref Scholarly Data

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Search 150M+ academic works, journals, and funders via Crossref API.

crowdspace

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Search 900+ crowdfunding and P2P lending platforms, market data and regulation by country.

CRS Reports

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Congressional Research Service reports — Congress's own nonpartisan analysis of statutes, federal…

Real-time B2B data for agents: search and enrich 1B+ people and 200M+ company profiles.

Crustdata MCP

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Real-time B2B data for agents: search and enrich 1B+ people and 200M+ company profiles

• List Tools: List the underlying Crustdata tools callable from inside execute() via callTool(name, params).
• Get Schema: Return the input fields, filterable columns, and response shape for the named tools.
• Execute: Run a plain-JavaScript script that drives Crustdata — the only I/O is `const r = await callTool(name, params)`. The `code` field carries the contract; read crustdata://catalog for the rules a

Crypto News Feed API

Degraded

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Real-time crypto news with sentiment scores, token mentions.

Crypto News Feed — Sentiment Scores & Token Mentions

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Real-time crypto news aggregator API for AI agents.

• Crypto Get Latest News: Use this when you need the latest crypto news and market-moving headlines. Returns aggregated articles with sentiment in JSON. 1. articles: array of news items with title, url,

Cryptocompare

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CryptoCompare prices, OHLC history, social stats, news, exchanges.

Cryptopolitan MCP

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Real-time crypto news, analysis, and price predictions for AI agents via MCP.

Query cryptocurrency on-chain data, OHLCV prices, market data, and Research & QuickTake insights.

CryptoQuant | On-chain intelligence, natively in your agent

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CryptoQuant MCP gives AI agents direct access to institutional-grade on-chain and market data across Bitcoin, Ethereum, XRP, stablecoins, and ERC20 tokens —…

• Discover Endpoints: Use FIRST for any crypto data question — price, OHLCV, market data, on-chain metrics, exchange flows, etc. Discovers available API endpoints for a specific asset and category. For
• Get Endpoint Info: Get detailed information about a specific API endpoint including available parameter values.
• Query Data: Fetch cryptocurrency data including price OHLCV, market data, and on-chain metrics. Use endpoint paths from discover_endpoints(). Date format depends on window: yyyyMMdd for window='day',

CrystalRAM Open Commons

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Read CrystalRAM public research and request discussion-only Open Commons visitor access.

CTlogs.io

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Certificate Transparency search: subdomains, certificate history and hostname keyword search.

ctx

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Turn a GitHub repo or docs site into agent-ready context: pack it or search it, over MCP.

cuddlynest

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Search CuddlyNest hotels and get rooms, prices, availability and cancellation policies

• Cuddlynest Search: Search CuddlyNest for a destination and the top hotels there. Returns place candidates (city/region + coordinates + total property count) and a list of hotels — name, listing URL, s
• Cuddlynest Listing Details: Get details for a specific CuddlyNest hotel: static basics (name, location, description, amenities, images) from the listing page, plus room options, prices, availability a

CultureLib Discover

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French cultural events search with multi-reseller ticket price comparison (theatre, concerts...)

CuratorSearch

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Live museum, gallery and curatorial job listings, gathered daily from institutions' own career pages — plus the sector's advertised-salary archive.

• Search Jobs: Search live museum, gallery and curatorial job listings, gathered daily from institutions' own career pages. Returns up to 20 roles, newest first, each with its curatorsearch.com page.
• Get Job: One listing in full: description, stated salary, deadline, and the institution's original posting URL. Takes the slug from a curatorsearch.com/opportunities/<slug> URL.
• Institution Jobs: Every role one museum or gallery currently has open on the board, by institution name.

Cure Cancer With AI

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Free oncology data (research, trials, FDA approvals, news) plus IBM MAMMAL biomedical predictions.

Curio — design style library

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A design-style library for AI agents: search real styles, fetch a ready-to-apply design spec.

customclaw

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A curated registry of small, focused utilities for building LLM and agent code — the kind of thing your coding agent would otherwise write from scratch…

• List Utilities: List every utility and agent available in the CustomClaw registry (https://customclaw.company). Results are cached for 5 minutes. Returns catalog JSON with utilities and agents arrays.
• Search Utilities: Fuzzy-search the CustomClaw registry by keyword. Matches across slug, name, tagline, description, and category. Returns the top 25 matches sorted by relevance.
• Get Utility Info: Return the full catalog entry for a single utility or agent by slug (name, tagline, description, price, free flag, category, etc.).

cv.json — open CV data

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Search people open to work and fetch their machine-readable cv.json, from any AI assistant.

cyanheads-mcp-server

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Fleet discovery for the cyanheads MCP ecosystem — semantic search + install snippets.

cyanheads-mcp-server

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Fleet discovery for the cyanheads MCP ecosystem — semantic search across servers and tools, with per-client install snippets.

• Cyanheads Search Catalog: Search fleet tools and servers by natural-language description. Returns ranked matches with brief summaries and the server each tool belongs to. Use scope "servers" to find w
• Cyanheads Describe Entry: Return the description and install snippets for a named tool or server. For tools: the description and the server it belongs to. For servers: local (stdio, via npx) install s

Cybersecurity news & breach alerts: hacks, patches.

• Data Preview: ✅ No API key needed — call this now. Listing: bleepingwatch: Cybersecurity News & Breach Alerts. Price 0.01 USDC/query (max 20 queries/session). Sample questions: What are the latest cyb
• A2awire Guide: ✅ No API key needed — call this now. Navigator for the full A2AWire tool surface. Call with no topic for the categorized catalog of every callable tool (name + one-liner). Pass topic=es
• Find Paid Work: ✅ No API key needed — call this now. Find paid work your agent can do right now on the A2AWire job board. Filter by capability (case-insensitive) and network (prefer testnet for cold-s

Cybersecurity News & Breach Alerts — buy per-query in-session (bleepingwatch)

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Cybersecurity news & breach alerts: hacks, patches.

Cybersecurity Threat Intelligence MCP

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CVE search, vulnerability database, EPSS exploit prediction, KEV, IP reputation & threat feed.

Cyclesite

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UK used-bike marketplace.

• Search Bikes: Search live UK used-bike listings on Cyclesite (the UK's used bicycle marketplace). Filter by brand, category, city, price range, and condition. Returns up to 5 active listings with spec
• Get Recent Listings: What's new on Cyclesite right now — up to 10 of the freshest active UK listings, refreshed every 15 minutes. Use when the user asks 'what's new today?' or 'any new road bikes this
• Get Listing Detail: Full details for a specific bike listing on Cyclesite — specs, condition, frame number presence, photos, delivery, seller's city. Provide the URL slug returned by search_bikes or g