MCP servers · connect in Claude Desktop

Claude Desktop MCP servers

3,437 MCP servers have a connect command for Claude Desktop. 1,660 are SAFE, 639 CAUTION and 1,138 BLOCK. Every one was read in full before it was listed.

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ModelsAtlas. “Claude Desktop MCP servers”. Retrieved 30 Oct 2026. https://modelsatlas.com/mcp/for/claude-desktop/page/73

Verdicts · 3,437 servers

✓SAFE1,660!CAUTION639✕BLOCK1,138

Transports

A server can list more than one transport.

Tool risk

1,011

servers expose at least one destructive tool: delete, overwrite or run. The median server with a readable tool list exposes 9 tools.

Servers with no destructive tools →
3,437 servers for Claude Desktop · 1,729–1,752 · ranked by trust score, then stars
mcp-mozilla-observatory✓SAFE B

pipeworx-io/mcp-mozilla-observatory

MDN HTTP Observatory — grade any website's HTTP security headers and get the specific fixes, from Mozilla's public scanner.

★ 0GitHub stars3 readstdio
mcp-nasa-ads✓SAFE B

pipeworx-io/mcp-nasa-ads

NASA ADS — the Astrophysics Data System, api.adsabs.harvard.edu.

★ 0GitHub stars3 readstdio
mcp-nasa-firms✓SAFE B

pipeworx-io/mcp-nasa-firms

NASA FIRMS MCP — active-fire / thermal-anomaly detections from MODIS and VIIRS.

★ 0GitHub stars3 readstdio
mcp-nasa-gibs✓SAFE B

pipeworx-io/mcp-nasa-gibs

NASA GIBS MCP — the satellite-imagery layer catalogue behind Worldview.

★ 0GitHub stars2 readstdio
mcp-ncbi-datasets✓SAFE B

pipeworx-io/mcp-ncbi-datasets

NCBI Datasets — the US National Library of Medicine's genome, gene and taxonomy reference service: which assemblies exist for an organism and how good they are, where a gene sits on the genome and what it is called everywhere else, and the NCBI taxonomy tree with per-node assembly and gene counts.

★ 0GitHub stars2 readstdio
mcp-ncbi-variation✓SAFE B

pipeworx-io/mcp-ncbi-variation

dbSNP refSNP records and HGVS/SPDI/rsID normalization for human genetic variants, from NCBI Variation Services.

★ 0GitHub stars3 readstdio
mcp-nci-evs✓SAFE B

pipeworx-io/mcp-nci-evs

NCI Thesaurus concepts and the other cancer-research vocabularies served by NCI Enterprise Vocabulary Services: codes, synonyms, definitions and hierarchy.

★ 0GitHub stars2 readstdio
mcp-newswire-com✓SAFE B

pipeworx-io/mcp-newswire-com

Newswire.com MCP — press releases from Newswire's public newsroom feed.

★ 0GitHub stars3 readstdio
mcp-ni-caselaw✓SAFE B

pipeworx-io/mcp-ni-caselaw

Northern Ireland court and tribunal judicial decisions — judiciaryni.uk.

★ 0GitHub stars2 readstdio
mcp-noaa-coastwatch✓SAFE B

pipeworx-io/mcp-noaa-coastwatch

NOAA CoastWatch — satellite and model ocean data via ERDDAP.

★ 0GitHub stars4 readstdio
mcp-noaa-ncei✓SAFE B

pipeworx-io/mcp-noaa-ncei

NOAA NCEI MCP — the national climate archive, via the keyless Access services

★ 0GitHub stars3 readstdio
mcp-noaa-ndbc✓SAFE B

pipeworx-io/mcp-noaa-ndbc

NOAA NDBC MCP — National Data Buoy Center marine observations

★ 0GitHub stars2 readstdio
mcp-noirlab-datalab✓SAFE B

pipeworx-io/mcp-noirlab-datalab

NOIRLab Astro Data Lab — datalab.noirlab.edu.

★ 0GitHub stars1 writestdio
mcp-nyfed-markets✓SAFE B

pipeworx-io/mcp-nyfed-markets

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

★ 0GitHub stars4 readstdio
mcp-ofgem✓SAFE B

pipeworx-io/mcp-ofgem

Ofgem energy data: the UK energy regulator's published statistics on the domestic price cap and what it is made of, wholesale gas and electricity prices, supplier market shares, switching, debt and customer service — as tabular rows, not pictures.

★ 0GitHub stars1 readstdio
mcp-ofr-funding✓SAFE B

pipeworx-io/mcp-ofr-funding

OFR Short-Term Funding Monitor API — data.financialresearch.gov/v1, keyless,

★ 0GitHub stars4 readstdio
mcp-openei-urdb✓SAFE B

pipeworx-io/mcp-openei-urdb

OpenEI Utility Rate Database (URDB) MCP

★ 0GitHub stars2 readstdio
mcp-pagespeed-insights✓SAFE B

pipeworx-io/mcp-pagespeed-insights

Google PageSpeed Insights — runs Lighthouse against any public URL and returns the performance scores, the real-user field data, and the ranked list of fixes.

★ 0GitHub stars1 writestdio
mcp-pjm✓SAFE B

pipeworx-io/mcp-pjm

Real-time electricity market data from PJM Interconnection, the largest US grid operator (13 states plus Washington DC, about 65 million people): wholesale power prices by node, electricity generation by fuel type, and the seven-day demand forecast.

★ 0GitHub stars4 readstdio
mcp-planetary-computer✓SAFE B

pipeworx-io/mcp-planetary-computer

Earth-observation imagery catalogue from Microsoft's Planetary Computer — search its open satellite and environmental collections (Sentinel, Landsat, NAIP, Daymet, ERA5, biodiversity) by area and date and get item ids, footprints, dates and asset URLs.

★ 0GitHub stars2 readstdio
mcp-server-onkyo✓SAFE B

SDNick484/mcp-server-onkyo

MCP server for controlling Onkyo AV receivers over eISCP

★ 0GitHub stars7 write
mcp-thai-text✓SAFE B

anthonychkwn/mcp-thai-text

MCP server giving AI agents correct Thai text handling: word segmentation, caption line wrapping, and tone-mark-safe rendering

★ 0GitHub stars3 read
mcp-zoom✓SAFE B

pipeworx-io/mcp-zoom

Zoom MCP Pack

★ 0GitHub stars4 readstdio
mcp-zyte✓SAFE B

pipeworx-io/mcp-zyte

Zyte API MCP — unified web fetch + AI extraction (zyte.com)

★ 0GitHub stars1 writestdio

More about Claude Desktop

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Questions

How do I add an MCP server to Claude Desktop?
Paste the JSON block shown on the server's page into the mcpServers section of Claude Desktop's configuration file.
Which Claude Desktop MCP servers are safe?
Of the 3,437 servers with a Claude Desktop connect command, 1,660 are SAFE, 639 CAUTION and 1,138 BLOCK. Cards are ranked by trust score, so the safest are first; open one to read its findings before you connect it.
Are any of these servers remote?
1,265 of the 3,437 list a remote transport (streamable HTTP or SSE). The rest run as a local process your client starts.

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