"AWS instance metadata service endpoint URL" matching MCP servers:

Provides access to Allen Institute for Neural Dynamics (AIND) metadata and data assets through MongoDB queries, aggregation pipelines, NWB file exploration, and AI-powered data summaries.

Enables deep analysis of SEC EDGAR filings through universal company search, document content extraction, and advanced filing search capabilities. Provides AI-ready access to business descriptions, risk factors, financial statements, and full-text search across any public company's SEC documents.

Exposes data query and auto-insights (anomaly detection) as MCP tools. Enables AI agents to query metrics, list columns, and get data insights directly from pandas.

Enables agents to search six clinical-trial channels (global registries, Chinese registries, CDE drug-trial data, and offline snapshots) through one sealed endpoint, merging results only on confirmed registration identity and returning per-source terminal states, coverage caveats, and data cutoffs. This ensures a missing or empty answer can never be silently mistaken for proof that no trial exists.

56 pay-per-call MCP endpoints for AI agents. Market signals, macro economics, crypto/DeFi, geopolitical intelligence, SEC filings, GitHub velocity, sanctions screening. USDC on Base Mainnet via x402.

Provides real-time stock market data and analysis from Chinese markets through 34 MCP tools, including K-line charts, technical indicators, fundamental analysis, financial metrics, and market insights without requiring authentication or API tokens.

Enables AI clients to look up Taiwanese Traditional Chinese publications from Google Books with automatic ISBN dash cleaning and checksum validation, ISBN-10 to ISBN-13 conversion, and high-resolution https cover resolution. Returns a normalized fact layer (identity, work, edition, cover, source) scored with publisher-weighted confidence for edition disambiguation, deduplication, and booklist decisions.

Integrates Interactive Brokers and TradeStation APIs for portfolio management, market data, and trading operations, with TradingView market scanning.

MCP server providing access to the Earth616 Defense Supply Chain and Documentation Ontology with tools for ontology lookup and testing.

Provides access to 56 professional medical calculators covering multiple specialties including cardiovascular, renal, hepatic, respiratory, and critical care assessments. Enables healthcare professionals to perform evidence-based calculations with detailed explanations and automatic unit conversions.

A feature-rich NASA data query tool that supports various NASA API services including astronomy pictures, Mars rover photos, Earth satellite images, near-Earth objects data, and space weather information through natural language queries.

Enables searching and accessing ArXiv research papers with advanced query capabilities, and provides sequential thinking tools for structured problem-solving. Supports Boolean operators, field-specific searches, author lookups, and dynamic thought processes through a modular Docker-based architecture.

Provides tools for validating, listing, describing, and fetching Allotrope Simple Model (ASM) data formats for laboratory instruments.

Enables AI agents to search for speakers and talks by date using the Sessionize API.

Resolves any combination of company name, domain, or LinkedIn URL into the canonical company identity (name, domain, LinkedIn URL) with confidence scores and match method.

An MCP server for downloading academic papers from multiple sources using intelligent routing and year-aware priority selection. It enables users to retrieve metadata and download single or batch PDFs by DOI or URL.

Enables AI assistants to search arXiv papers, retrieve metadata, browse categories, and read paper text.

MCP server for accessing ILOSTAT (ILO statistical database) with tools to search indicators, retrieve metadata, list dimension values, and fetch data, with full provenance tracking.

Connects a Zotero research library to AI assistants so users can search items by title, author, tag, collection, full text, or meaning, read metadata and PDF content, add annotations, and add or organize papers by DOI, URL, ISBN, or BibTeX. It works in local or web mode and is available both as an MCP server for chat apps and as a CLI plus agent skill for shell-based agents.

Enables LLM clients to query a BirdNET-Go bird-detection instance for detections, species summaries, activity patterns, and historical searches via natural language.