MCP servers · connect in Claude Code

Claude Code MCP servers

4,770 MCP servers have a connect command for Claude Code. 2,136 are SAFE, 937 CAUTION and 1,697 BLOCK. Every one was read in full before it was listed.

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ModelsAtlas. “Claude Code MCP servers”. Retrieved 30 Oct 2026. https://modelsatlas.com/mcp/for/claude-code/page/92

Verdicts · 4,770 servers

✓SAFE2,136!CAUTION937✕BLOCK1,697

Transports

A server can list more than one transport.

Tool risk

1,345

servers expose at least one destructive tool: delete, overwrite or run. The median server with a readable tool list exposes 10 tools.

Servers with no destructive tools →
4,770 servers for Claude Code · 2,185–2,208 · ranked by trust score, then stars
mcp-iso-ne✓SAFE B

pipeworx-io/mcp-iso-ne

Real-time power grid data for ISO New England, the electricity market and grid operator for Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island and Vermont: wholesale electricity prices, system demand, and electricity generation by fuel type.

★ 0GitHub stars3 readstdio
mcp-kartaview✓SAFE B

pipeworx-io/mcp-kartaview

KartaView — open, crowdsourced street-level imagery.

★ 0GitHub starsNot listed in sourcestdio
mcp-knmi✓SAFE B

pipeworx-io/mcp-knmi

KNMI Data Platform (Open Data API) MCP.

★ 0GitHub stars1 readstdio
mcp-kosis-kr✓SAFE B

pipeworx-io/mcp-kosis-kr

Korean national statistics (KOSIS) — browse, search and pull time series from Statistics Korea's official statistical database of ~100,000 tables covering population, prices, employment, trade and industry.

★ 0GitHub stars3 readstdio
mcp-la-metro✓SAFE B

pipeworx-io/mcp-la-metro

LA Metro (LACMTA) MCP — routes, stops and live service cancellations for

★ 0GitHub stars2 writestdio
mcp-law-commission✓SAFE B

pipeworx-io/mcp-law-commission

Law Commission of England & Wales — publications and law-reform projects.

★ 0GitHub stars1 writestdio
mcp-meteoswiss✓SAFE B

pipeworx-io/mcp-meteoswiss

Swiss weather and federal geodata from MeteoSwiss and swisstopo on data.geo.admin.ch — find SwissMetNet automatic weather stations, radar, pollen, ICON forecasts and climate normals, plus elevation and topographic layers, and get the direct CSV, GeoTIFF and NetCDF download URLs for each.

★ 0GitHub stars2 readstdio
mcp-mgnify✓SAFE B

pipeworx-io/mcp-mgnify

MGnify — EMBL-EBI's metagenomics resource: public microbiome studies, the biome vocabulary they are classified under, and the ~57,000 MAGs and isolate genomes in its species-level genome catalogues, with completeness, contamination and GTDB taxonomy for each.

★ 0GitHub stars3 readstdio
mcp-miso✓SAFE B

pipeworx-io/mcp-miso

Real-time electricity data for MISO, the grid operator for 15 US states from Louisiana to Minnesota plus Manitoba: generation by fuel type, power demand, five-minute wholesale electricity prices, wind and solar output, and the transmission constraints driving congestion.

★ 0GitHub stars3 readstdio
mcp-mobility-database✓SAFE B

pipeworx-io/mcp-mobility-database

MobilityData's open catalogue of public-transport feeds — ~4,500 GTFS schedule feeds and ~1,900 realtime feeds worldwide, each with the operator's own download URL.

★ 0GitHub stars1 writestdio
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

More about Claude Code

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Questions

How do I add an MCP server to Claude Code?
Run the claude mcp add command shown on the server's page; it names the package and its version.
Which Claude Code MCP servers are safe?
Of the 4,770 servers with a Claude Code connect command, 2,136 are SAFE, 937 CAUTION and 1,697 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?
1,942 of the 4,770 list a remote transport (streamable HTTP or SSE). The rest run as a local process your client starts.

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