"Understanding Call Hierarchy in Software Development or Programming" matching MCP servers:

Enables AI assistants to discover, retrieve, and compare official international development indicators from sources such as the World Bank, FAOSTAT, WHO, UNICEF, and IMF, while preserving source identifiers, units, and citations.

Enables querying US bank regulatory filings at line-item level: search institutions, retrieve labeled call reports, track specific items over time, compare banks, and inspect data coverage and code meanings, with amounts normalized to whole dollars.

Enables access to Australian real estate data through the Realty In Au API, supporting property listings, agent/agency information, property details, school lookups, and property search with various filters.

MCP server to access India Open Government Data (data.gov.in) resources via natural language queries.

Enables AI agents to query a verified directory of software developers in Solapur, India, including developer profiles, skills, scores, and rankings through structured resources and tools.

Read-only MCP server for the July 2026 survey of AI in open-source design systems, enabling agents to query 19 systems' affordances, coercion techniques, and platform data via 9 tools, 2 resources, and 2 prompts.

Lets Claude answer currency questions using the European Central Bank's official daily euro reference rates via the Frankfurter API, converting amounts between roughly 30 major currencies, retrieving historical rates for a specific date, and summarizing rate movements over a date range. Every answer cites the exact publication date, and no API key or account is required.

Hosted, pay-per-call MCP server for Cook County / Chicago property records — parcels, recorded sales & deeds, building permits, tax assessments, and comparable sales — by street address or 14-digit PIN. Pay per call via x402 (USDC on Base/Solana); no signup or API key.

Per-unit cost of 13 back-office tasks done by a person vs by software, in the US, Greece and Ukraine, with an official statistic behind every hourly wage. Bundled data, works offline.

Ask about the Saudi economy in plain English or Arabic. No API key or database required.

Enables AI assistants to search Twitter/X, YouTube, Reddit, Google, app-store listings, and 100+ other public web data endpoints via natural language, with prepaid credit or per-call USDC payment and no account or OAuth required.

MCP server for live US software-engineering job search from public ATS boards, with tools to search jobs and list sources.

Delivers comprehensive company intelligence in a single tool call, aggregating profiles, tech stacks, key people, news, and corporate data from any domain or company name. Sources data from Wikipedia, GitHub, OpenCorporates, and web scraping to provide structured business insights using only free public APIs.

Live and historical electricity prices, demand, generation mix and carbon intensity for 25 grid zones (US, Europe, GB, Australia). Hosted endpoint plus local stdio bridge; free sample mode, free API key, or x402 pay-per-call.

Checks whether a citation has been retracted, corrected, or flagged with an expression of concern by querying Crossref — including retractions that Crossref backfills from the Retraction Watch database, which publishers often never record in their own metadata. Lets an AI agent verify a DOI, or every DOI in a reference list, before using it in research or writing.

Enables users to call official Open DART and KRX stock-market APIs, retrieve raw JSON, download and decode DART disclosure documents, and search companies by name, stock code, or corporate ID.

Searches US product recalls across CPSC, FDA, and NHTSA in one call, matching by name, brand, model number, UPC, or VIN with confidence scoring.

MCP server for GitBeacon that provides GitHub trend intelligence—daily AI-analyzed digests, top trending repos, and historical trend tracking—with free tools and optional pay-per-call pricing in USDC via x402.

Enables reading and understanding NetCDF files, providing tools to inspect structure, variables, metadata, and data quality for scientific datasets.

Enables MCP hosts to access verifiable, decision-grade signals across five domains (hydrology, air quality, agriculture, power grid, shipping, regulatory filing) with pay-per-call in USDC via x402.