MCP servers for DeepSeek Harness

opendata.swiss MCP — Switzerland's federal open-data portal (CKAN catalogue).

OpenSky MCP — live aircraft, served from keyless community ADS-B feeds.

Slovenia Open Data (podatki.gov.si) CKAN MCP.

Semantic Scholar Academic Graph MCP.

Treasury Fiscal MCP — US Treasury Fiscal Data API

Verify an npm or PyPI package before install: advisories, install scripts, typosquats, repository.

Fashion & apparel MCP: visual outfit search, stock verification, and 1-click checkout.

Create and manage Popup web pages via AI — no login required. Build a web page in 30 seconds and edit it with AI.

Reviewable workspace discovery and private HTML review creation via stdio MCP.

SBA loans MCP — U.S. Small Business Administration 7(a) / 504 FOIA loan data (fleet #1921, phase…

SEC Fails-to-Deliver (CNS fails data).

Run SEO Content Machine tasks from an MCP client: scraping, crawls, Google Maps, Workspace pages.

SEON MCP — wraps the SEON fraud / digital-footprint enrichment APIs (seon.io)

SEPTA MCP — Philadelphia SEPTA real-time transit (www3.septa.org/api, keyless)

Search six recipe sites at once, in French, English and Spanish, and scale quantities.

South Carolina Code of Laws — state statutes by citation.

Read-only gates of autonomous trading agents with deterministic execution: cost, data, validation.

UE4.27-first MCP server for controlling the Unreal Editor through Unreal Python Remote Execution.

Read and change VPN Bypass (macOS) routing: domain lists, services, modes, kernel routes, logs

Search and fetch Wikidata entities, execute SPARQL queries, and resolve external identifiers.

MCP server exposing Sanity workflow tools to agents — operate running workflow instances and author new definitions.