Verified MCP Server Directory

numuersapi

NumbersAPI MCP — wraps numbersapi.com (free, no auth)

puumed

PubMed MCP — wraps the NCBI E-utilities API (biomedical literature, free, no auth)

Arca is a private data vault where your AI stores your structured data, semantic memory and skills.

zenquotes

ZenQuotes MCP — wraps ZenQuotes API (free, no auth)

Sentrik

Governance runtime for AI-generated code. Enforce compliance and security standards.

DeFi MCP fleet: oracle, security audit, treasury yield, QA attestation, and compute tools on Base.

Epa Emissions

EPA Emissions MCP — wraps EPA Envirofacts REST API (free, no auth)

ExposureGuard

Domain security scanning for AI agents. A-F grades, 8 checks, fix snippets.

io.github.KynuxDev/mcp-instagram-dm

Read, send, search & manage Instagram DMs through AI assistants. 15 tools, cookie auth.

Smart contract security for AI agents — verify, monitor, freeze, x402 payments

Gitlab Public

GitLab Public MCP — wraps the GitLab REST API v4 (public endpoints, no auth)

MochiPDF

Remote MCP server for HTML-to-PDF and screenshots with OAuth and API-key auth.

io.github.rom-baro/arcwall-security

Security scanning for AI coding tools. Detects secrets, threat models, and runs pre-commit checks.

io.github.middleBrick/mcp-server

Scan APIs for OWASP Top 10, LLM, and GraphQL security vulnerabilities.

jikan

Jikan MCP — wraps the Jikan v4 API (anime/manga data, free, no auth)

Connect to your MediaWiki using simple credentials and manage content without OAuth. Search, read,…

JPYC Agent MCP

OAuth-protected JPYC wallet, transfer, and contract workflows on Polygon.

AiEGIS

AI agent security and governance. Register, verify, scan, and monitor agents.

spacex

SpaceX MCP — wraps SpaceX API v4 (free, no auth)

swisstransport

Swiss Transport MCP — wraps Transport Open Data API (free, no auth)

io.github.denial-web/agent-immune

AI agent security: prompt injection detection, semantic memory, output scanning, prompt hardening

Dockerhub

Docker Hub MCP — wraps the Docker Hub v2 API (free, no auth required for public data)

Unphurl

URL intelligence for AI agents and developers. 16 tools, 25 signal weights, 20 free checks.

crossref

Crossref MCP — wraps the Crossref REST API (academic papers, free, no auth)