MCP Server Directory

similarity-search-api-sdk io.github.nexus-mcp-infra/similarity-search-api-sdk

Stateless NMI + cosine fusion with entropy-driven alpha calibration

530A Model calculator com.530amodel/calculator

Free, deterministic 530A (Trump Account) projections, verified rules, and searchable guides.

Live Times Transit io.github.travelwhiz-ltd/live-times-transit

Read-only public transit departures, stop search, and city coverage for bus and train users.

Let any LLM watch a video locally — and search everything it has ever watched.

Wikexa Knowledge com.wikexa/knowledge

Wikipedia, Wikidata and Wiktionary as clean JSON, not HTML. 1.9M searchable. Free, no auth.

InfoSec Job Board com.infosecjobboard/jobs

Search 10k+ live cybersecurity jobs from 246 security companies, plus salary benchmarks and stats.

mcp ai.shumi/mcp

Crypto market intelligence: prices, funding rates, narratives, regime, and delta-neutral research.

coverage-rights com.coverage-rights/coverage-rights

Insurer denial rates, appeal outcomes by treatment and condition, and appeal rights lookups.

MailMCP io.mailmcp/mailmcp

Connect any mailbox to Claude, ChatGPT & AI: read, send, reply, schedule & search emails.

draw.io io.draw/mcp

Create diagrams in chat, rendered as live interactive draw.io diagrams. 10,000+ searchable shapes.

Persistent local knowledge for AI coding agents with structured records, search, and DOT context.

Google & Yandex SERP, image/news verticals and URL indexation checks via XMLRiver (read-only).

Filings Intel MCP io.github.selflabbs/filings-intel-mcp

SEC EDGAR filings for AI agents: company lookup, filings, financials, insider trades. No keys.

PPN Hub — public APIs over MCP com.ppn-hub/ppn-hub

One MCP endpoint over 69 public PPN APIs: search_apis to discover, execute_api to call. Free tier.

taiwan-law tw.org.legaltech/taiwan-law

Taiwan legal research MCP: 判決書、全國法規、釋字/憲判與立法歷程查詢，12 個工具，回應均附官方出處 URL。

Netzhandwerker EU Power Dispatch API de.netzhandwerker.energy/research-hub

EU power dispatch for wallet-enabled compute, DePIN, battery and trading agents.

Korean market data: kimchi premium, sell-side research, news. Pay per call in USDC via x402.

Crystal Suppliers MCP io.github.ziyuant222/crystal-suppliers-mcp

Search verified crystal bracelets and source beads, accessories, and raw materials.

leadsapp com.leadsapp/leadsapp

Search 136M+ US/CA B2B contacts free, verify emails free, get compliance verdicts. Pay per reveal.

MCP server for Malcolm (Zeek/Suricata/Arkime/OpenSearch): threat-hunting access for AI agents

Krasoft Russian Public Procurement ru.krasoft/zakupki

Search and analytics for Russian public procurement (44-FZ/223-FZ): tenders, contracts, market data

bisibility com.bisibility/mcp

Track keyword rankings, research SEO opportunities, and manage bisibility projects with AI agents.

Search, retrieve, and diff the full output of past terminal commands recorded locally by backscroll.

marketplace com.bids44/marketplace

Resale prices (INR) for 600+ used products in India, plus live Bids44 marketplace search.