Explore MCP Servers & Agent Skills

65,898 resources

Type

All types MCP Server Skill

Transport

All transports stdiostdio (local)HTTPstreamable-http (remote)SSEsse (remote)

What is transport type?

stdio (local process)— MCP runs as a local subprocess and talks to Cursor/Claude via stdin/stdout. Most common for npx/uvx tools.
streamable-http (remote HTTP)— MCP is hosted remotely; the client connects over HTTP. Good for shared team servers.
sse (remote SSE)— Remote MCP over Server-Sent Events. Used by some hosted platforms.

Source

All sources MCP Registry SkillsMP ClawHub smithery GitHub GitHub CN MCP Hub China

Us National Archives

v0.2.0

MCP ServerMCP Registry

io.github.pipeworx-io/us-national-archives

US National Archives Catalog (NARA).

stdiostreamable-httpnpmregistry listed

Us News Feeds

v0.2.0

MCP ServerMCP Registry

io.github.pipeworx-io/us-news-feeds

US News Feeds MCP.

stdiostreamable-httpnpmregistry listed

Us Iso Grid

v0.2.0

MCP ServerMCP Registry

io.github.pipeworx-io/us-iso-grid

US ISO Grid MCP — real-time electricity generation, fuel mix, demand.

stdiostreamable-httpnpmregistry listed

Us Gov Contracts

v0.5.0

MCP ServerMCP Registry

io.github.pipeworx-io/us-gov-contracts

US Government Contracts MCP — awarded state & local government contracts.

stdiostreamable-httpnpmregistry listed

Us Elections

v0.2.0

MCP ServerMCP Registry

io.github.pipeworx-io/us-elections

us-elections -- U.S. election results by state, district.

stdiostreamable-httpnpmregistry listed

Uniprot

v0.2.0

MCP ServerMCP Registry

io.github.pipeworx-io/uniprot

UniProt MCP — protein sequence + function database.

stdiostreamable-httpnpmregistry listed

Us Code

v0.2.0

MCP ServerMCP Registry

io.github.pipeworx-io/us-code

US Code — the text of federal statutes, by citation.

stdiostreamable-httpnpmregistry listed

Us Auctions

v0.2.0

MCP ServerMCP Registry

io.github.pipeworx-io/us-auctions

US Auctions MCP — every live US auction lot in the consolidated index.

stdiostreamable-httpnpmregistry listed

Unsplash

v0.2.0

MCP ServerMCP Registry

io.github.pipeworx-io/unsplash

Unsplash MCP.

stdiostreamable-httpnpmregistry listed

Urlscan Io

v0.2.0

MCP ServerMCP Registry

io.github.pipeworx-io/urlscan-io

urlscan.io MCP.

stdiostreamable-httpnpmregistry listed

Foro

v0.1.21

MCP ServerMCP Registry

live.foro/foro

Book ads on in-store and venue screens direct from the venue: find open slots, quote, hold, book.

streamable-httpregistry listed

Urlhaus

v0.2.0

MCP ServerMCP Registry

io.github.pipeworx-io/urlhaus

URLhaus MCP — wraps abuse.ch URLhaus malware URL database (free, no auth)

stdiostreamable-httpnpmregistry listed

Url

v0.2.0

MCP ServerMCP Registry

io.github.pipeworx-io/url

URL parsing & building MCP.

stdiostreamable-httpnpmregistry listed

Unwrangle

v0.2.0

MCP ServerMCP Registry

io.github.pipeworx-io/unwrangle

Unwrangle MCP — cross-retailer product + reviews data (unwrangle.com)

stdiostreamable-httpnpmregistry listed

Unicode

v0.2.0

MCP ServerMCP Registry

io.github.pipeworx-io/unicode

Unicode character MCP.

stdiostreamable-httpnpmregistry listed

Unpaywall

v0.2.0

MCP ServerMCP Registry

io.github.pipeworx-io/unpaywall

Unpaywall MCP — open-access lookup for scholarly papers (free, no key)

stdiostreamable-httpnpmregistry listed

Universities

v0.2.0

MCP ServerMCP Registry

io.github.pipeworx-io/universities

Universities MCP — Hipolabs Universities API (free, no auth)

stdiostreamable-httpnpmregistry listed

Unesco Uis

v0.2.0

MCP ServerMCP Registry

io.github.pipeworx-io/unesco-uis

UNESCO Institute for Statistics (UIS) MCP — keyless.

stdiostreamable-httpnpmregistry listed

Ulid

v0.2.0

MCP ServerMCP Registry

io.github.pipeworx-io/ulid

ULID MCP.

stdiostreamable-httpnpmregistry listed

Unicef

v0.2.0

MCP ServerMCP Registry

io.github.pipeworx-io/unicef

UNICEF Data (UN Children's Fund) MCP — global statistics on child health, nutrition.

stdiostreamable-httpnpmregistry listed

Unhcr

v0.2.0

MCP ServerMCP Registry

io.github.pipeworx-io/unhcr

UNHCR Refugee Data Finder MCP (keyless).

stdiostreamable-httpnpmregistry listed

Umls

v0.2.0

MCP ServerMCP Registry

io.github.pipeworx-io/umls

UMLS MCP — wraps the NLM UMLS Terminology Services REST API (uts-ws.nlm.nih.gov/rest)

stdiostreamable-httpnpmregistry listed

Un Sdg

v0.2.0

MCP ServerMCP Registry

io.github.pipeworx-io/un-sdg

UN Sustainable Development Goals (SDG) Indicators MCP — UN Statistics Division.

stdiostreamable-httpnpmregistry listed

Ukri Gtr

v0.2.0

MCP ServerMCP Registry

io.github.pipeworx-io/ukri-gtr

UKRI Gateway to Research (GtR) MCP — every grant awarded by the UK's seven research councils.

stdiostreamable-httpnpmregistry listed

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