"Tools for conducting deep research on a topic" matching MCP servers:

An evidence-first investment research MCP server that combines official disclosures, market data, and domain-specific evidence for Korean biotech companies like Samsung Biologics, Daewoong Pharmaceutical, and Lunit.

MCP server that silently monitors state changes in structured data sources (e.g., government open data) and provides a pull-based channel for AI agents to retrieve real mutations since their last cursor.

Provides tools to search, retrieve, and trace German tax law statutes (KStG, EStG, AO, GewSt) from gesetze-im-internet.de, including amendment tracking.

Paid MCP server for EU tools: validate VAT numbers via VIES and get ECB euro FX rates, with per-call USDC payments on Base via the x402 protocol.

Provides AI assistants with specialized tools to interact with NIST's Open Security Controls Assessment Language (OSCAL) framework. It enables agents to retrieve schemas, explore models, and generate valid OSCAL documentation for security compliance automation.

Provides access to SEC EDGAR 13F institutional holdings, Form 4 insider trading, and smart money convergence signals for AI agents via the Model Context Protocol.

MCP server for Brazilian data lookups (Pix codes, CEP, CNPJ) and web rendering tasks (Markdown, screenshots, PDFs) via a paid HTTP API with x402 billing.

An MCP server that enables interaction with Google's Fact Check Tools API, allowing users to query and manage fact-check claims and publishers through natural language commands.

A MCP server for agent-driven research on Brazilian law using official sources

Enables AI agents to research U.S. companies and associated people using official state registries and free regulatory datasets, with normalized evidence and optional browser automation.

Finds companies registered at JUCESP from a partner's name, CPF, or CNPJ, returning the NIRE of each participation. It is a read-only MCP server hosted at api.mcp.ai.

Once connected, your AI agent can: Check any UK company — directors, shareholders, filing history, disqualified officers Research property — comparable sales, EPC ratings, Rightmove listings, rental yields, stamp duty Search case law and legislation — court judgments, Acts, Hansard debates, HMRC guidance Query GOV.UK — search 700k+ pages, resolve postcodes to councils, find policy

Enables legal research across 3,352 U.S. courts using the CourtListener API, providing access to case search, precedent analysis, judge patterns, citation validation, and federal PACER dockets through natural language queries.

Enables searching and retrieving UK research grants, award values, institutions, and publications from the UKRI Gateway to Research API without authentication.

LA County ADU buildability checks, zoning rules, permit trends, and cost estimates — free, no auth.

An MCP server that provides a tool to query Brazilian postal codes (CEPs) via the ViaCEP API, returning address details such as street, neighborhood, city, and state.

European financial data for AI agents — ECB interest rates, Eurostat inflation, GDP and unemployment by country. Zero API key needed.

Provides comprehensive tools for searching UK case law, legislation, parliamentary Hansard debates, and HMRC tax guidance. It features a specialized OSCOLA citation parser to extract and resolve legal references directly from text.

A Python FastMCP server that re-exposes Kindora's public funder and grant tools for ChatGPT, enabling grant discovery from IRS 990 filings and Grants.gov.

An MCP server for U.S. public-records data, enabling AI agents to search business registrations, screen names against government watchlists, and pull federal awards.