Free MCP servers · page 148

Weekly share of answer for 20 SaaS and AI brands in ChatGPT, Perplexity and Gemini.

Domain recon: RDAP registration, DNS, SPF/DMARC deliverability, tech stack and subdomains from CT logs.

World Bank indicators for any country plus US BLS series such as CPI, unemployment and payrolls.

SEC EDGAR filings, full-text search, XBRL financials and Form 3/4/5 insider transactions.

European Central Bank reference FX rates: latest, historical, time series and currency conversion.

npm, PyPI and crates.io package health, versions, downloads, dependencies and advisories.

Federal Register rules, proposed rules, notices and executive orders, searchable by agency and term.

CVE lookups with CISA KEV and EPSS exploit scores, plus OSV package vulnerabilities and package.json audits.

NWS forecasts and alerts, current conditions, USGS earthquakes, elevation and US address geocoding.

Live power, grid, gas and fiber data plus daily DCPI scores for 300+ markets, for data-center siting.

Validated SaaS opportunities mined from real user complaints, scored 0-100 for intent; search and scores need no key.

PRIDA-TAKON/debim

Declarative BIM / Building-as-Code engine: model buildings in YAML, compute deterministic QTO/cost estimations, compile to IFC4, and view interactive 3D WebGL models.

Phishing-link checks opened like a Korean phone, plus DNS, TLS, headers, email auth and domain history.

hubinoretros/deep-thinker

Reasoning via a DAG thought graph with multiple strategies (dialectic, analogical, abductive and more), stuck detection, confidence scoring and self-critique.

Cited drug–gene (mostly CPIC/DPWG), gene and rsID variant lookups for 12 genes; educational, not medical advice.

ai-1st/deepview-mcp

Enables IDEs like Cursor and Windsurf to analyze large codebases using Gemini's 1M context window.

Ask questions about any public GitHub repository's generated wiki.

AI search, X search and web search for AI agents; tool discovery is open, search calls need a Desearch API key.

Scores any live URL against a 42-check design contract, validates DTCG tokens, and diffs two design systems.

Multi-protocol AI microservices: pre-execution guardrails, smart contract audits, and EVE Frontier smart assemblies.

zacharypodbela/djangorestframework-mcp

Expose Django REST Framework APIs as MCP tools for LLMs and agentic applications

Publish Markdown or HTML as a hosted page and get a shareable link.

Publish markdown as a rendered link with an expiry, read shares back as markdown, update or delete them.

Search versioned developer documentation and fetch source-linked results using five read-only tools.

rafim-dev/mcp-doctor

Health checks, binary validation and JSON auto-repair for MCP client configuration files.

WHOIS/RDAP, DNS, SSL, live subdomains with IPs and SPF/DMARC/DKIM for any domain; 1,000 free lookups a month.

Remote SSE MCP server for hosting HTML webpages and sharing content through temporary URLs without authentication

Publish static sites to a free HTTPS link or your own domain and check domain prices; account tools need a token.

Dubai property statistics from Land Department open data: prices, rents, yields, sales by area, project and developer.

Leverages your Schemas and Access Patterns to interact with your DynamoDB Database using natural language.

Request group flight quotes for 10+ travellers from a human specialist desk; live fares for smaller parties.

Current weather, a two-hour rain curve and a rain-radar map drawn as text.

GDP, inflation, trade, interest rates and public debt for 150+ countries from Eurostat, OECD, World Bank and IMF.

SEC EDGAR filings as JSON: Form 4 insider trades, 8-K, 13F, 13D/G stakes, XBRL; data tools need a free key.

Berlin property prices per m² by locality, rental yields, land values 2026, population forecast and active listings.

Read Electrik Slate Blade component docs, blocks gallery, source, and llms.txt.

Real-time electricity prices, cheapest hours and contract comparison across 40+ countries and 100+ market zones.

YUHAI0/email-send-mcp

A fixed one from above one. More user-friendly.

Send a draft to a one-time address and get a spam score, 41 checks with RFC citations, and a fix plan.

Elevation, vegetation, flood, fire and air-quality facts for any place, each with a signed receipt.

NFL play-by-play with EPA since 1999, player and team stats, injuries, and closing lines for every game.

Agent-first marketplace for real-world assets: search listings and projects; writes become human-approved proposals.

Search and compare Odoo implementation partners in Germany, Austria and Switzerland, with rule-based shortlists.

Search and compare travel eSIM plans by country, days, data, local number and network, with links to buy on esimoa.

69 free finance, military, school and everyday calculators as MCP tools, each result linking its web calculator.

Structured data from 90 platforms, incl. RedNote, Douyin, TikTok and Amazon, plus web search; API key for tool calls.

Search active Northern Cyprus sale and rental listings and compare asking prices by city and district.

Neural web search that returns full page contents.