"SPARQL query language and tools" matching MCP servers:

Deterministic US equity-compensation tax optimizer. Six tools cover ISO/AMT exercise scheduling, NSO sell-vs-hold, RSU vest-and-sell, single-stock concentration, protective put / zero-cost collar pricing, and Section 1202 QSBS qualification. Federal plus 50-state plus DC tax math.

An MCP server that enables AI agents to query RevenueCat's subscription analytics API using natural language, retrieving metrics like MRR, churn, and revenue.

A read-only MCP server that enables Claude to monitor Indexa Capital investments, providing tools to query portfolio summary, account details, performance, transactions, and fees.

Zero-auth hosted MCP for AI builders: optimize/convert images (WebP/AVIF/JPEG), paste-ready SVG QR codes, plus cited Cleanor Labs data on device storage capacity and next-gen image-format savings. No API key or signup.

An MCP server that lets Claude and other clients query DataDive niches, keywords, competitors, and Rank Radar data using your API key, including tools for managing dives and rank radars.

An MCP server that lets an LLM query a DuckDB warehouse of EuroLeague and EuroCup basketball data in natural language, offering tools for player and team stats, shot charts, boxscores, and fantasy draft analysis without contacting upstream APIs.

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

Connects ChatGPT/Claude with the QualityControl REST API, allowing users to query company information, sensor data, weather, harvest, exports, dispatches, and more using natural language.

An MCP server that provides access to Northwood Capital Partners' portfolio carbon data, enabling MCP-compatible agents to query emissions, analyze decarbonization gaps, and simulate reduction initiatives through natural language.

Enables AI assistants to query KumoRFM for predictive analytics on relational data, including graph management, natural language to PQL conversion, and training-free predictions.

MCP server that connects coding agents to FXAbsolute's candle history, offering tools to query OHLC data, session scans, bucket stats, level touches, and a live chart bridge for backtesting collaboration.

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

Enables AI agents and Claude Code to query podcast download analytics from OP3, including unique listeners, retention cohorts, audience geography and apps, episode performance, and show comparisons via natural language.

Provides actionable financial intelligence tools for AI agents including insider buying signals, earnings IV plays, market pulse, stock analysis, and options strategies via free public data sources.

Enables Claude to query a local DuckDB warehouse containing mock motorcycle-loan data, with tools for customer search, insights, and read-only SQL queries.

Enables users to query MLB Statcast, FanGraphs, and Baseball Reference data using natural language through an AI assistant. It provides comprehensive tools for analyzing player performance, pitch-level data, season leaderboards, and team standings.

A robust MCP server for NotebookLM that provides auto-healing authentication, zero-config setup, and tools to list, query, create notebooks, and manage sources.

MCP server that lets AI assistants query the Noteboxd fragrance encyclopedia for fragrances, notes, accords, brands, perfumers, reviews, and charts. Enables natural-language queries like comparisons, recommendations, and review digests.

Exposes 26 structured analytical tools over Climate Finance Update datasets, enabling fund-level financial analysis, portfolio aggregations, and data quality diagnostics without requiring the client to write data access code.

An MCP server for managing pandoc/CSL-YAML bibliographies and verifying citations in documents.