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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 16,793 of 22,534 in the registry
in this excerpt 75 % of 22,534 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)

16,775
Delivery form (raw)
remote10,640 63 %
paket5,265 31 %
paket und remote499 3.0 %
keines371 2.2 %

not recorded for 18 entries

Execution location

16,793
Execution location
remote10,767 64 %
local6,026 36 %

Repository platform (raw)

16,775
Repository platform (raw)
github12,088 72 %
nothing declared4,668 28 %
gitlab19 0.1 %

not recorded for 18 entries

Repository URL listed

16,793
Repository URL listed
yes12,118 72 %
no4,675 28 %

Schema version of the raw record (raw)

16,775
Schema version of the raw record (raw)
https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json14,818 88 %
https://static.modelcontextprotocol.io/schemas/2025-09-29/server.schema.json963 5.7 %
https://static.modelcontextprotocol.io/schemas/2025-10-17/server.schema.json434 2.6 %
https://static.modelcontextprotocol.io/schemas/2025-07-09/server.schema.json433 2.6 %
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

16,793
Credentials required
no15,525 92 %
yes1,268 7.6 %

Per property, the measured values inside this excerpt. The share refers to the 16,793 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. 16,793 entries at 200 each are 84 requests; the total is in the X-Gesamt header.

Excerpts sharing entries with this one

MCP servers without credentials 18,483 entries in this excerpt15,525 shared MCP servers without a declared package registry 11,026 entries in this excerpt11,026 shared Remotely executed MCP servers 10,844 entries in this excerpt10,767 shared MCP servers over streamable-http only 9,779 entries in this excerpt9,716 shared MCP servers with a repository URL 17,646 entries in this excerpt12,118 shared Remote MCP servers with a repository URL 6,540 entries in this excerpt6,469 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 2,651 to 2,700 of 16,793

Entries
Emerging Tech Center — AI Agent Gig Boardcom.emergingtechcenter/gigs
EmidLabs Backtestio.github.emidlabs/backtest-mcp
Emojiio.github.pipeworx-io/emoji
Emoji Oracleio.github.pipeworx-io/emoji-oracle
Emscio.github.pipeworx-io/emsc
EnConvertcom.enconvert/mcp
Enciclopedia Católica Wikitólicacom.wikitolica/mcp
Encouragement MCPio.github.zekerutledge/encouragement-mcp
Endlssio.endlss/endlss-mcp-server
Endoflifeio.github.pipeworx-io/endoflife
Endorsocom.endorso/endorso
Endpoint AIopsio.github.AIops-tools/endpoint-aiops
Energetica — Argentine Oil & Gas Dataar.energetica/data
Energi Data Dkio.github.pipeworx-io/energi-data-dk
Energy Chartsio.github.pipeworx-io/energy-charts
EngScript Engineering MCPcom.engscript/mcp
Engawaio.github.augustin-v/engawa
Engramio.github.debragail/engram
Engramio.github.rwnalds/engram
Enigmata Flow MCPio.github.enigm-io-sys/enigmata-mcp
Enrich — Company Domain Intelligenceio.github.globalsearchdata/enrich
Enrichment.Kids Activity Marketplaceio.github.enrichment-kids/enrichment-kids
Enriquecimento de Leadio.github.mcp-dir/enriquecimento_lead-mcp
Ensio.github.pipeworx-io/ens
Ensemblio.github.pipeworx-io/ensembl
EntRoutecom.entroute/entroute
Entalpa Requirements MCPcom.entalpa/requirements
EntangleEQcom.entangleeq/pay-transparency
Enterprise Internal Knowledge Base: Production-Ready RAG + MCPio.github.kimsb2429/internal-knowledge-base
Entertainment Feedsio.github.pipeworx-io/entertainment-feeds
Entidex — Entity Intelligence & AI Knowledge Correctioncom.entidex/entidex
Entity Enricherai.entityenricher/enricher
Entreprises Frio.github.pipeworx-io/entreprises-fr
Entrida — UK Market Entrycom.entrida/mcp
Entrolyio.github.juyterman1000/entroly
Entscheidsuche — Schweizer Gerichtsentscheidech.entscheidsuche/mcp
Entso Eio.github.pipeworx-io/entso-e
Enturio.github.pipeworx-io/entur
Entyraxcom.entyrax/entyrax
Env-Var-Lockerio.github.Evozim/env-locker
EnvSync-LEio.github.nolindnaidoo/envsync-le
Environment Nature Mcpio.github.varvararatta/environment_nature_mcp
Environmental Complianceio.github.martc03/environmental-compliance
EnvoiSMSma.envoisms/envoisms
Eodhdio.github.pipeworx-io/eodhd
Eolio.github.pipeworx-io/eol
Epa Echoio.github.pipeworx-io/epa-echo
Epa Emissionsio.github.pipeworx-io/epa-emissions
Epa Envirofactsio.github.pipeworx-io/epa-envirofacts
Epa Regulationsio.github.pipeworx-io/epa-regulations

All 16,793 entries in the list, with filters and pagination

tracevero · https://tracevero.com/en/themen/ohne-umgebungsvariablen?seite=54