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MCP servers without declared environment variables

The manifest explicitly declares no environment variable. That is the empty value of a raw declaration, not "not recorded".

in this excerpt 17,586 of 23,407 in the registry
in this excerpt 75 % of 23,407 in the registry

What this excerpt selects

What this excerpt selects
Environment variables (raw)nothing declared
measured directly

A derived value carries its raw declaration beside it; the derivation rule is published, with a version, on the methodology page.

What this excerpt does not say

Every sentence here follows from the condition above, not from an assessment.

How this excerpt is distributed

Delivery form (raw)

17,568
Delivery form (raw)
remote11,379 65 %
paket5,303 30 %
paket und remote511 2.9 %
keines375 2.1 %

not recorded for 18 entries

Execution location

17,586
Execution location
remote11,508 65 %
local6,078 35 %

Repository platform (raw)

17,568
Repository platform (raw)
github12,620 72 %
nothing declared4,929 28 %
gitlab19 0.1 %

not recorded for 18 entries

Repository URL listed

17,586
Repository URL listed
yes12,650 72 %
no4,936 28 %

Schema version of the raw record (raw)

17,568
Schema version of the raw record (raw)
https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json15,556 88 %
https://static.modelcontextprotocol.io/schemas/2025-09-29/server.schema.json1,012 5.8 %
https://static.modelcontextprotocol.io/schemas/2025-07-09/server.schema.json438 2.5 %
https://static.modelcontextprotocol.io/schemas/2025-10-17/server.schema.json435 2.5 %
https://static.modelcontextprotocol.io/schemas/2025-09-16/server.schema.json123 0.7 %
https://registry.modelcontextprotocol.io/schemas/2025-12-11/server-bundle.json1 0.0 %

and 3 more values · not recorded for 18 entries

Credentials required

17,586
Credentials required
no16,301 93 %
yes1,285 7.3 %

Per property, the measured values inside this excerpt. The share refers to the 17,586 entries of the excerpt, not to the registry. Shown are 6 of 8 properties: those whose values spread the most inside this excerpt.

The same excerpt through the interface

curl -s "https://tracevero.com/api/v1/eintraege?art=mcp_server&roh_umgebungsvariablen=&grenze=200"

The command carries exactly the condition of this page. 17,586 entries at 200 each are 88 requests; the total is in the X-Gesamt header.

Excerpts sharing entries with this one

MCP servers without credentials 19,295 entries in this excerpt16,301 shared MCP servers without a declared package registry 11,769 entries in this excerpt11,769 shared Remotely executed MCP servers 11,585 entries in this excerpt11,508 shared MCP servers over streamable-http only 10,515 entries in this excerpt10,451 shared MCP servers with a repository URL 18,250 entries in this excerpt12,650 shared Remote MCP servers with a repository URL 7,015 entries in this excerpt6,945 shared

Per neighbour its own size and the counted number of shared entries. An excerpt without a single shared entry is not listed here.

Entries

Entries 5,401 to 5,450 of 17,586

Entries
Mentionrycom.mentionry/mentionry
MenuFreshjp.menufresh/menufresh
Menus Recommenderio.github.spyyps/menus-recommender
Mercado Financeiro BRio.github.mcp-dir/mercado-mcp
Mercado Pago MCPio.github.mcp-dir/mercadopago-mcp
Mercantry Registryorg.mercantry/registry
Merchant Contextio.github.ihint/merchant-context
Mercury Numberio.github.pipeworx-io/mercury-number
Mergetrainio.github.yongjip/mergetrain
Meridian Consensusio.github.adicted07-lang/meridian-consensus
MeritValuecom.meritvalue/meritvalue
Merlonix Monitoringcom.merlonix/monitoring
Mermailapp.mermail/mcp
Merriam Websterio.github.pipeworx-io/merriam-webster
Merx — European Business Dataio.github.BricePourLe13/merx
Meseriasi MCP Serverro.meseriasi/meseriasi-mcp-server
Meshio.github.pipeworx-io/mesh
MeshMarketio.github.RightOnPar-LLC/mesh-connector
Met Museum Mcpio.github.varvararatta/met_museum_mcp
Met Noio.github.pipeworx-io/met-no
Meta Ads MCP Serverio.github.cesteral/meta-mcp
Meta Councilcom.meta-council/decision-intelligence
MetaDockapp.metadock/metadock
MetaMask Embedded Wallets (Web3Auth) MCPio.github.Web3Auth/mcp-server
MetaMesh-UGAdev.metamesh-uga/metamesh-uga
Metabaseio.github.metabase/mcp
Metabolightsio.github.pipeworx-io/metabolights
MetalMinercom.metalminer/mcp
MetalTakip Digestcom.metaltakip/digest
Metals Apiio.github.pipeworx-io/metals-api
Metatakenet.metatake/mcp
MeteoSwiss MCP Serverio.github.eins78/meteoswiss-mcp
Meteorsio.github.pipeworx-io/meteors
Meteostatio.github.pipeworx-io/meteostat
Metmuseumio.github.pipeworx-io/metmuseum
Metric Trend Calculatorio.github.Wxt-ai/metric-trend-calculator
MetricDuck — Financial Analysiscom.metricduck/financial-analysis
Metrifyrcloud.metrifyr/mcp
Metro MCPio.github.steve228uk/metro-mcp
Mexican Payroll & Tax Calculatordev.tinyapis/mx-fiscal
Mexico Invoices (CFDI 4.0 factura electrónica)app.wishpool/mexico-invoice-mcp
Mexico Payments (Mercado Pago — OXXO cash)app.wishpool/mexico-payments-mcp
Meyhem — MCP Server Discovery & Agent Searchio.github.c5huracan/meyhem
Mfapi Indiaio.github.pipeworx-io/mfapi-india
Mhwio.github.pipeworx-io/mhw
Mi Fitness Data Bridgeio.github.shkyyy18/mi-fitness-data-bridge
MiOffice — AI-Powered Workspace Studioio.github.jsvvsolsllc/mioffice
MicroScrapeio.github.Luci-hue/microscrape
Microsoft 365 MCP Serverio.github.Softeria/ms-365-mcp-server
Microsoft Access Databaseio.github.unmateria/msaccess-database

All 17,586 entries in the list, with filters and pagination

tracevero · https://tracevero.com/en/themen/ohne-umgebungsvariablen?seite=109