Search & Research

Search policy entries by topic keywords.

China PolicySignal

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Search Chinese government and Party documents: Xi Jinping speeches and articles, 2012 to present.

Search recall records by company name or product keywords.

ChiR24-unreal_mcp

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Control Unreal Engine to browse assets, import content, and manage levels and sequences.

Chiwawa — AI Agent Registry

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Search and discover AI agents across A2A and MCP protocols.

choosehelp

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Search ChooseHelp.com's editorially independent directory of published addiction-treatment and mental-health facilities — treatment centers, detox clinics…

• Search Facilities: Search ChooseHelp's directory of published addiction-treatment and mental-health facilities — rehab centers, detox clinics, outpatient programs, sober living homes — curated from st
• Get Facility: Full published details for one facility — by numeric id (from search_facilities) or by (partial) facility name.
• List States: All states with the number of currently published facilities in each, plus the state directory URL. Counts are computed live.

Chronicling America

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Chronicling America MCP — full-text search of ~150 years of digitized U.S.

Search and compare cigar prices from 14+ online retailers

CigarFinder

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Search over 68,000 cigars from 17+ trusted retailers to find specific brands, shapes, and strengths.

• Search Cigars: Search the CigarFinder database of 58,000+ cigars from 14+ trusted online retailers. Filter by brand, shape, strength, wrapper, price range, and more. Returns real-time pricing data.
• Get Best Price: Find the lowest available price for a specific cigar across all 14+ retailers tracked by CigarFinder. Returns the best deal plus alternative offers sorted by price.
• Compare Prices: Compare prices for a specific cigar across all retailers. Shows every available offer sorted by price, with savings calculations. Use product_id for exact match or cigar_name for searc

cindyloo-dropbox-mcp-server

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Search, browse, and read your Dropbox files.

citation-intelligence-mcp

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A free, self-hosted MCP server that tells your agent what LLMs cite - across Perplexity, Google AI Overviews, ChatGPT, Claude, Gemini, and Bing.

• Citations.Check: Return URLs cited by an AI engine (Perplexity, Claude, ChatGPT, Gemini, or Bing) for a query. Use this when an agent or user wants to see what sources an AI search engine grounds answ
• Domain.Am I Cited: Check whether a domain is cited by an AI engine across a cluster of queries. Returns per-query presence, rank, and a citation-rate summary. Use to measure visibility for a brand, pr
• Signals.Ai Overview: Check whether Google shows an AI Overview for a query, and which URLs it cites. Uses SerpAPI (free tier: 100/month). Set SERPAPI_KEY.

citation-tracker

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Checks whether AI search engines cite your target domains for a prompt.

cite-caddy

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Cite Caddy gives full read/write access to a Zotero library — search, add, tag, update, delete, and move items; create, rename, and delete collections…

• Search Items: Search the Zotero library. Read-only.
• Get Item: Fetch one item by key. Read-only. Use this to get an item's current `version` right before a mutating call, if you don't already have a fresh one from search_items. `creators` is a list of {
• List Trash: List items currently in the trash -- soft-deleted (e.g. via the Zotero desktop app's "Move to Trash", or trash_item), but not yet permanently gone. Read-only. Each result's `key`/`version`

Cite42

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Cite42 gives AI agents AI-search visibility, citations, SEO keywords and trends, plus four weekly or monthly trackers: AI visibility tracker, AI competitor…

• Cite42 Credits: Check the remaining Cite42 credit balance for the connected account. Free: costs 0 credits. Covers AI-search, citation, SEO, keyword, trend, and market-research data. If a plan needs m
• Cite42 Pricing: Get the exact Cite42 price table in credits: per-model rates, flat-rate tools, workflow maximums, and which tools are free. Use it to answer any "how much does X cost" question or to e
• Cite42 Usage: Get recent Cite42 usage for the connected account: the last calls with their cost and status, spend today and this month, spending limits, and the remaining credit balance. Free: costs 0

AI-search visibility (GEO) analytics: brand scores, competitor rankings, recommendations, evidence.

Search papers, format citations in 60 styles, and verify bibliographies against scholarly sources.

CiteRank

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Search is moving from ten blue links to AI-generated answers.

• Citerank Analyze Url: Run a full AI visibility audit on any public URL. Returns schema analysis, AI citation score, E-E-A-T signals, agentic readiness, and prioritized issues with specific fixes.
• Citerank Check Brand Citations: Check whether a brand/domain is cited in AI-generated answers (Google AI Overviews, Gemini). Returns citation rate, share of voice, top cited queries, and competitor so
• Citerank Generate Schema: Generate production-ready JSON-LD structured data for any URL. Analyzes page content and produces schema markup ready to implement.

Read-only access to your Citlyze workspace: AI search visibility, citations, and recommendations.

Live Estonia real estate listings with search, geo filters, and property metadata.

City24.ee - Real Estate marketplace

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Official real estate data provider for Estonia.

• Search Listings: Search real estate listings by property type, transaction type, price range, area, floor, lot size, and location. Use locationName for the most specific known location (e.g., street,

CIV.IQ

Online

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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.

Structured knowledge base for AI agent solutions.

Search the Claudeers registry of Claude tools, ranked by maintenance and community signals.

Clear Thought 1.5

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[FINAL UPDATE] future updates will be rolled out to Thoughtbox --> https://smithery.ai/server/@Kastalien-Research/clear-thought-two

• Clear Thought: A detailed tool for dynamic and reflective problem-solving through thoughts. This tool helps analyze problems through a flexible thinking process that can adapt and evolve. Each thought
• Reset Session: Reset thought history and branches for a specific session or all sessions. Use this tool to clear accumulated state when: - Starting a new unrelated reasoning task - Cleaning up after c

Clearlot

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Specified RFQ tape.

Manage projects, tasks, and documents directly through a comprehensive suite of productivity tools.

• Ping: Echo request for connectivity checks.
• Health: Report server readiness and enforced safety limits.
• Tool Catalogue: Enumerate all available tools with their annotations.

climbpast

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Read and edit GA4, Search Console and Google Tag Manager from any MCP client.

Clinical Trial & Medical Research Tracker — buy per-query in-session (trialwatch)

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Medical research: new trial results tracker.

Clinical Trials Data Server

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Provide structured access to ClinicalTrials.gov data for searching, retrieving, and analyzing clinical trial information.

• Search Trials By Condition: Search clinical trials by medical condition(s). This tool allows you to search for clinical trials based on a list of medical conditions. Input: - `conditions`: A list of s
• Search Trials By Intervention: Search clinical trials by intervention/treatment. This tool allows you to search for clinical trials based on a list of interventions or treatments. Input: - `interventi
• Search Trials By Sponsor: Search clinical trials by sponsor/organization. This tool allows you to search for clinical trials based on a list of sponsor organizations. Input: - `sponsors`: A list of st

Clinicaltables

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NIH Clinical Tables: ICD-10/9, RxTerms, LOINC, NPI, conditions search.