MCP Server Directory

SECRET4422/guardrail-mcp

Enterprise security and code-safety guardrail for AI agents featuring AST taint analysis, SARIF/SBOM generation, and policy gates.

sascharo/gxtract

GXtract is a MCP server designed to integrate with VS Code and other compatible editors (documentation: sascharo.github.io/gxtract). It provides a suite of tools for interacting with the GroundX platform, enabling you to leverage its powerful document understanding capabilities directly within your development environment.

Search signed scientific claims, methods, provenance, contradictions, retractions, and admission receipts.

dean/HAL

HTTP toolkit providing all 7 HTTP methods (GET, POST, PUT, PATCH, DELETE, HEAD, OPTIONS) with secret substitution, comprehensive error handling, and support for JSON, XML, HTML, and form data.

Claim-by-claim AI hallucination detection with sources, agent trajectory verification, and prompt-injection guard.

Order physical engineering work from a Czech company: CAD, 3D printing, fabrication and shipping.

mingdaocloud/hap-mcp

HAP (Super Application Platform) is developed by Mingdao（ https://www.mingdao.com ）The launched APaaS platform helps you build enterprise level applications quickly without coding. This is HAP's MCP (Model Context Protocol) server, used for seamless integration of AI. It enables every zero code application built through HAP to quickly become a tool for agents.

Keyword metrics, live Google SERPs, backlinks, rank tracking, site audits and read-only Search Console data.

Price your own STL, 3MF or STEP file, or a Printables/Thingiverse model, for UK 3D printing and get a checkout link.

Publish a live website from an agent in one tool call, expiring or permanent, with human review hooks.

Moving cost ranges, reviewed movers, USDOT and Companies House licence checks, guides, and quote requests.

Cloud agents report progress that Heard speaks on your Mac, and pick up the replies you send back.

Workbooks that research themselves: buyer lists, weekly reports and KPI trackers, every claim cited and kept current.

Checks code an agent wrote for secrets, injection risks and declared-vs-real dependency drift before merge.

Free German neighborhood marketplace: search help requests and providers by postal code, post requests and offers.

Multi-insurer travel insurance quotes with guarantees and policy documents, plus credit card coverage checks.

Vacation rental software: find a host's own booking site, check availability, verify the host-signed stay offer.

Research competitor ads, generate image and video ads, schedule social posts and run paid ad campaigns.

realMNohgee/hermtica

Browse and search Hermtica, a social network and marketplace for AI agents: feed, trending items, agent profiles and marketplace stats.

Manage Heroku apps, dynos, add-ons, and logs.

Shrink agent prompts, block forbidden imports without calling a model, and review PRs; zero data retention.

Builder research for Robinhood Chain: which projects are still building and what they shipped, each with its source.

Read your LinkedIn inbox, send messages and invitations, and search people on your own account. Not made by LinkedIn.

Search verified Korean restaurants and bars by filters, then request a table booking in chat.

ilyautov/hh-mcp-ru

HeadHunter (hh.ru) API: vacancy search and publishing, applications, invitations, resumes and salary statistics, with a read/write/destructive safety gate.

Read published High Signal daily briefs, signals and their linked evidence through a bounded, read-only public feed.

edtool79-collab/hirepulse-mcp

Stdio MCP proxy for public company jobs, hiring signals, technology detection and Google Ads research, with a shared free daily allowance and optional x402 payments.

hive-intel/hive-crypto-mcp

Hive Intelligence: unified access to crypto, DeFi and Web3 analytics.

Search 25+ years of Hong Kong Stock Exchange filings, browse facets and extract document text; read-only.

louiscklaw/hko-mcp

Basic demo of fetching weather from the Hong Kong Observatory.

bartosz-kuc/honest-gios-air-mcp

Air-quality data from Poland's GIOŚ monitoring network via its keyless public API. Tools: list_stations (by city or voivodeship), get_station_sensors, get_sensor_readings (recent hourly values), get_air_index (index category, critical pollutant). Runs locally, no third-party middleman.

bartosz-kuc/honest-gmail-mcp

Gmail server that runs on your machine and calls the Gmail API directly with your own OAuth client, with no third-party middleman. Search with Gmail query syntax, read messages, send or draft mail with local file attachments and in-thread replies, and list or modify labels.

bartosz-kuc/honest-imgw-mcp

Polish weather and hydrology data from the IMGW-PIB public API, no API key: hourly synoptic observations (get_weather), river levels and flow with a computed normal/warning/alarm status (get_hydro), active weather warnings (get_warnings), and station lists. Queries IMGW directly, no middleman.

bartosz-kuc/honest-nbp-mcp

National Bank of Poland (NBP) exchange rates (tables A/B/C) and gold prices, latest or historical (get_rate, list_rates, get_rate_history, get_gold, get_gold_history), plus convert at NBP mid-rates, e.g. invoices to PLN. No API key; runs locally and calls api.nbp.pl directly with no third-party middleman.

bartosz-kuc/honest-pl-holidays-mcp

Polish public holidays and business-day math via the keyless Nager.Date API: list_holidays, is_holiday, is_business_day, count_business_days, add_business_days and next_holidays, e.g. for working-day invoice payment terms. Defaults to Poland; country takes other ISO codes.

bartosz-kuc/honest-stat-gov-mcp

Polish Central Statistical Office (GUS) Local Data Bank (BDL): browse subjects, search variables and territorial units (voivodeship, powiat, gmina), get unit details, and fetch a variable's time series over a year range. No API key; queries bdl.stat.gov.pl directly with no third-party middleman.

bartosz-kuc/honest-vies-mcp

Validates EU VAT numbers against the European Commission's VIES API, locally with no API key or third-party middleman. check_vat returns validity, name and address where available, and a consultation number as audit proof when you pass your own VAT; list_supported_countries lists the 27 EU states plus XI (Northern Ireland).

Session replay and click heatmaps for agents: timed visit narratives, repeated or dead clicks, errors and change impact.

hostodo/hostodo-mcp

Hostodo VPS management: VM details, power control, renaming, OS reinstalls, guest-agent commands and artifact uploads, with scoped tokens and audit logs.

Capture website screenshots, render HTML/CSS, and make templated graphics as images or PDFs.

Catalogue of 500+ LLMs with ruble pricing, account balance, and OpenAI-compatible chat completions.

Query and update HubSpot CRM contacts, companies, and deals.

Search open models, read license labels, and get hosted file links and SHA-256 hashes.

Your AI's inbox and people search: message friends, find people by how they work, knock with consent.

Wearable and phone prices, specs, compatibility, release dates and sourced reports for buyers.

TOBYCAI/image-mcp

Offline image processing: resize, crop, convert, compress, rotate, flip, thumbnails, watermarks, effects, placeholders and overlays.

Find the right free in-browser image tool for a job (background removal, upscaling, compression) in 40 languages.

Read connected inboxes, retain each AI's progress, and send separately authorized, owner-confirmed drafts.