MCP Server Directory

45,118 Model Context Protocol servers for Claude Code, Claude Desktop, Cursor and every MCP client. Filter by what they do, whether they run locally or remotely, and whether they're free.

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844 servers in Security & Identity

MadeBy

01.6k

MadeByFYI/MadeBy

Disclose AI authorship of code per the ACO standard — tools for AI coding agents.

LocalFreeSecurity & Identity

Magento Audit

0

michalper/mcp-magento-audit

MCP server for auditing Magento projects: update compatibility, module quality, dependency security

LocalFreeSecurity & Identity

Marine

0

pipeworx-io/mcp-marine

Marine MCP — wraps marine-api.open-meteo.com (free, no auth)

Local + RemoteFreeSecurity & Identity

Mastodon

0

pipeworx-io/mcp-mastodon

Mastodon MCP — public Mastodon data via mastodon.social (no auth required)

Local + RemoteFreeSecurity & Identity

Mathjs

0

pipeworx-io/mcp-mathjs

Math.js MCP — wraps the mathjs.org API (free, no auth)

Local + RemoteFreeSecurity & Identity

Mcpgrade

jeremyrx7/mcpgrade

Security grades (A-F) for MCP servers. Check one before you install or trust it. mcpgrade.dev

LocalFreeSecurity & Identity

MCPLookup

0

mcplookupdev/mcplookup-mcp

Look up independent trust ratings and security, maintenance, and adoption evidence for MCP servers.

Local + RemoteFreeSecurity & Identity

Meetup

0

pipeworx-io/mcp-meetup

Meetup MCP — wraps Meetup's public GraphQL API (api.meetup.com, free, no auth)

Local + RemoteFreeSecurity & Identity

Metabase MCP (headless)

0

Serdnaley/metabase-mcp

Headless Metabase MCP: API-key auth, no OAuth. 178 tools, toolsets, stdio or HTTP, all tiers.

LocalFreeSecurity & Identity

Meteostat

0

pipeworx-io/mcp-meteostat

Meteostat MCP — historical weather from 11k+ stations (no auth)

Local + RemoteFreeSecurity & Identity

METTLE

0

Creed-Space/METTLE

Experimental reverse CAPTCHA with signed badges and credentials. Not proof of identity or substrate.

LocalFreeSecurity & Identity

Mhw

0

pipeworx-io/mcp-mhw

MHW MCP — Monster Hunter World data (mhw-db.com, free, no auth)

Local + RemoteFreeSecurity & Identity

Microlink

0

pipeworx-io/mcp-microlink

Microlink MCP — wraps Microlink API (free tier, no auth required)

Local + RemoteFreeSecurity & Identity

Mitre Atlas

0

CSOAI-ORG/mitre-atlas-mcp

MITRE ATLAS — Adversarial Threat Landscape for AI Systems. Tactics + techniques for attacking AI...

LocalFreeSecurity & Identity

Mozilla Observatory

0

pipeworx-io/mcp-mozilla-observatory

MDN HTTP Observatory — grade any website's HTTP security headers and get the specific fixes, from…

Local + RemoteFreeSecurity & Identity

Musicbrainz

0

pipeworx-io/mcp-musicbrainz

MusicBrainz MCP — wraps MusicBrainz Web Service v2 (free, no auth)

Local + RemoteFreeSecurity & Identity

Nationalize

0

pipeworx-io/mcp-nationalize

Nationalize MCP — nationality prediction from first name (nationalize.io, free, no auth)

Local + RemoteFreeSecurity & Identity

Nemesis Shield Sdks

0

eobi/nemesis_shield_sdks

Positive-security for apps, APIs, LLMs and edge, plus fraud scoring and identity/AML screening.

LocalFreeSecurity & Identity

Netallion MCP Lite

0

netallion/netallion-mcp-lite

Local secret & credential checks for AI-assisted dev — runs on your machine, results redacted.

LocalFreeSecurity & Identity

Newton

0

pipeworx-io/mcp-newton

Newton MCP — wraps the Newton math solver API (free, no auth)

Local + RemoteFreeSecurity & Identity

Nexus Agents

0

nexus-agents-io/nexus-agents-io

Nexus Agents: a network for AI agents. Verifiable identity, reputation, Q&A, messages, a library.

LocalFreeSecurity & Identity

Nhtsa

0

pipeworx-io/mcp-nhtsa

NHTSA MCP — wraps the NHTSA vPIC (Vehicle Product Information Catalog) API (free, no auth)…

Local + RemoteFreeSecurity & Identity

Nih Reporter

0

pipeworx-io/mcp-nih-reporter

NIH RePORTER MCP — every NIH-funded research project (free, no auth)

Local + RemoteFreeSecurity & Identity

Nobel

0

pipeworx-io/mcp-nobel

Nobel MCP — wraps the Nobel Prize API v2 (free, no auth)

Local + RemoteFreeSecurity & Identity

Nominatim

0

pipeworx-io/mcp-nominatim

Nominatim MCP — wraps OpenStreetMap Nominatim geocoding API (free, no auth)

Local + RemoteFreeSecurity & Identity

Npm

0

pipeworx-io/mcp-npm

npm MCP — wraps the npm Registry API (free, no auth)

Local + RemoteFreeSecurity & Identity

Npmpreflight

0

CloudCorpRecords/npmpreflight

Pre-publish npm pack auditor: shipped files, size, secret-pattern leaks, missing fields.

LocalFreeSecurity & Identity

Nws

0

pipeworx-io/mcp-nws

NWS MCP — US National Weather Service (no auth)

Local + RemoteFreeSecurity & Identity

Ny Authority Debt

0

pipeworx-io/mcp-ny-authority-debt

ny-authority-debt — New York public authority debt issuance. Fleet #1001.

Local + RemoteFreeSecurity & Identity

Nyfed Markets

0

pipeworx-io/mcp-nyfed-markets

New York Fed Markets Data APIs — markets.newyorkfed.org, keyless JSON, no auth wall.…

Local + RemoteFreeSecurity & Identity

Oecd

0

pipeworx-io/mcp-oecd

OECD MCP — Organisation for Economic Co-operation and Development data (free, no auth) via the…

Local + RemoteFreeSecurity & Identity

Onthisday

0

pipeworx-io/mcp-onthisday

On This Day MCP — wraps byabbe.se/on-this-day (free, no auth)

Local + RemoteFreeSecurity & Identity

Open Elevation

0

pipeworx-io/mcp-open-elevation

Open-Elevation MCP — terrain elevation by lat/lon (no auth)

Local + RemoteFreeSecurity & Identity

Open Registry Poc

NOTTIBOY137/mcp-open-registry-poc

PoC: Open Registry supply chain — unvetted server listing (security research)

LocalFreeSecurity & Identity

Openalex

0

mrfentmen/openalex-mcp

Use this MCP server to OpenAlex scholarly works, authors, institutions, and citations. Tools...

LocalFreeSecurity & Identity

Openalex

0

pipeworx-io/mcp-openalex

OpenAlex MCP — wraps the OpenAlex API (scholarly works, free, no auth)

Local + RemoteFreeSecurity & Identity

Openbeautyfacts

0

pipeworx-io/mcp-openbeautyfacts

Open Beauty Facts MCP — Open Beauty Facts API (free, no auth, keyless).

Local + RemoteFreeSecurity & Identity

OSCAL

dfkunstler/mcp-server-for-oscal

AI agent tools for Open Security Controls Assessment Language (OSCAL)

LocalFreeSecurity & Identity

ot Security

Ansvar-Systems/ot-security-mcp

OT security standards: IEC 62443, NIST 800-82/53, MITRE ATT&CK for ICS

LocalFreeSecurity & Identity

Paper Chaser

joshuasundance-swca/paper-chaser-mcp

MCP server for academic papers, citations, authors, ECOS dossiers, and Federal Register text.

LocalFreeSecurity & Identity

parbaked

saml7n/parbaked

Scaffold invite-only Python/FastAPI apps: auth, admin dashboard, dev server, deploy to fly.io.

LocalFreeSecurity & Identity

PayStage Auth Watch

0

base-buzz/paystage

Read-only MCP tools to list and flag outstanding ERC-20, Permit2, and EIP-3009 auths

LocalFreeSecurity & Identity

Pokemon

0

pipeworx-io/mcp-pokemon

Pokemon MCP — wraps PokéAPI (free, no auth required)

Local + RemoteFreeSecurity & Identity

Postcodes

0

pipeworx-io/mcp-postcodes

Postcodes MCP — wraps postcodes.io UK postcode API (free, no auth)

Local + RemoteFreeSecurity & Identity

ProdForge

0

CloudCorpRecords/prodforge

Connects MCP servers, packages, security checks, and release gates in one repo.

LocalFreeSecurity & Identity

Promoshot

0

GarAlex/promoshot

Headless MCP: author and render PromoShot .promo video projects (stills, GIFs, video).

LocalFreeSecurity & Identity

Propublica Nonprofit

0

pipeworx-io/mcp-propublica-nonprofit

ProPublica Nonprofit MCP — ProPublica Nonprofit Explorer API (free, no auth)

Local + RemoteFreeSecurity & Identity

Pulsedive

0

pipeworx-io/mcp-pulsedive

Pulsedive MCP — threat-intelligence IOC enrichment (pulsedive.com)

Local + RemoteFreeSecurity & Identity