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MCP servers without declared environment variables

The manifest explicitly declares no environment variable. That is the empty value of a piece of original data, not "not recorded".

34,377 servers 80% of 42,727 in the directory

This category in numbers

The most frequent value per property, counted across the entries of this category. The full distribution is further down.

Entries

Filter further

Entries 5,701 to 5,750 of 34,377

Entries
DeskCloneai.deskclone/deskclone
DeskCrewio.deskcrew/support
DeskMonitorcom.thedeskmonitor/mcp
Deskhandcom.grain64.deskhand/deskhand
Deskpro MCP by usefulapiio.usefulapi/deskpro
Desktop Commanderio.github.wonderwhy-er/desktop-commander
Desktop Mate MCPio.github.rocnubie/desktop-mate-mcp
Despensa Hubio.github.cristianosantana/mcp-despensa-hub
Destatisio.github.pipeworx-io/destatis
Desvela ARD Registry — free preflight(domain)dev.desvela/registry
Detalhamento Negativoio.github.mcp-dir/credito_negativo-mcp
Deterministicsh.deterministic/deterministic
Detextit by Shekkizhcom.detextit.www/detextit
Detran PE: Guias de IPVAio.github.mcp-dir/detran_pe_guias_ipva-mcp
Dev Facts Checkapp.openkrill/dev-facts
Dev Feedsio.github.pipeworx-io/dev-feeds
Dev Workflow MCP Serverio.github.programinglive/dev-workflow-mcp-server
Dev error explainersio.github.mahdibrr/dev-error-explainers
DevDome Analyticscom.devdome/analytics
DevExpress Documentationcom.devexpress/docs
DevGlobeio.github.sajeetharan/devglobe
DevInboxio.devinbox/devinbox
DevLensio.github.devlensio/devlens
DevMarginapp.devmargin/devmargin
DevMatchio.github.Luca-Blight/devmatch
DevOps & Cloud Code Auditorio.github.Ansarii/devops-code-auditor
DevOps Agentio.github.shittuay/devops-agent
DevPlan MCP Serverio.github.mmorris35/devplan-mcp-server
DevProjexio.github.Avazbek22/devprojex
DevRel Directorydirectory.devrel/devrel-directory
DevRel-Amplifierio.github.Evozim/devrel-amplifier
DevRelayso.devrelay/devrelay
DevReplycom.devreply/devreply
DevTimeio.github.Shakargy/devtime
DevTool MCPio.github.standardbeagle/devtool-mcp
DevTrackio.github.sraj0501/devtrack
DevUtils MCP Serverio.github.paladini/devutils-mcp-server
Devdocs Ioio.github.pipeworx-io/devdocs-io
Devedores da União (PGFN)io.github.mcp-dir/pgfn_devedores-mcp
Developer Poetrycom.developerpoetry/poetry
Development Indicators MCPio.github.lbruce-wq/development-indicators
Devloopio.github.vincentvella/devloop
Devnors Dataio.github.gHost163-wq/devnors-data
Devtoio.github.pipeworx-io/devto
DexL Agentsio.github.dexl-io/agents
DexPaprikacom.dexpaprika/dexpaprika
Dexi Notesnet.dexi/mcp
Dexiowiki.dexio/dexio
Dexscreenerio.github.pipeworx-io/dexscreener
DezignWorks Product Oraclesupport.recursive/dezignworks

All 34,377 entries in the list, with filters and pagination

What this category selects

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

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

Caveats, distribution and query

What this category does not say

  • Environment variables (raw) is the complete, sorted enumeration of what a manifest declares. So "nothing declared" means exactly that and nothing else: an entry that also declares something different is not in this category.
  • The empty value means "the source explicitly declares nothing here". It does not mean "not recorded": what was never recorded is in no category of this property.

What is measured is what a manifest declares, not what a piece of software does. This registry fetches no repository URL, no endpoint and no package index; nothing here is verified. Which value comes from which source, and by which rule it was formed, is set out in the Methodology.

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

How this category is distributed

Repository platform (raw)

34,359
Repository platform (raw)
github22,536 66 %
nothing declared11,750 34 %
gitlab73 0.2 %

not recorded for 18 entries

Repository URL listed

34,377
Repository URL listed
yes22,620 66 %
no11,757 34 %

Delivery form (raw)

34,359
Delivery form (raw)
remote25,207 73 %
package7,921 23 %
package and remote734 2.1 %
neither497 1.4 %

not recorded for 18 entries

Execution location

34,377
Execution location
remote25,358 74 %
local9,019 26 %

Icon formats (raw)

34,359
Icon formats (raw)
nothing declared30,450 89 %
image/png2,354 6.8 %
image/png, image/svg+xml811 2.4 %
image/svg+xml656 1.9 %
image/webp47 0.1 %
image/jpeg31 0.1 %

and 6 more values · not recorded for 18 entries

Schema version of the raw record (raw)

34,359
Schema version of the raw record (raw)
https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json31,958 93 %
https://static.modelcontextprotocol.io/schemas/2025-09-29/server.schema.json1,271 3.7 %
https://static.modelcontextprotocol.io/schemas/2025-07-09/server.schema.json499 1.5 %
https://static.modelcontextprotocol.io/schemas/2025-10-17/server.schema.json491 1.4 %
https://static.modelcontextprotocol.io/schemas/2025-09-16/server.schema.json132 0.4 %
https://static.modelcontextprotocol.org/schemas/2025-12-11/server.schema.json3 0.0 %

and 5 more values · not recorded for 18 entries

Per property, the measured values inside this category. The share refers to the 34,377 entries of the category, not to the registry. Shown are 6 of 8 properties: those whose values spread the most inside this category.

The same category through the interface

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

The command carries exactly the condition of this page. 34,377 entries at 200 each are 172 requests; the total is in the X-Gesamt header.

Changes to these entries

https://tracevero.com/aenderungen.atom?thema=ohne-umgebungsvariablen

Both addresses narrow the change stream to exactly the entries in this category. The feed carries an identifier of its own, so a feed reader keeps it apart from the full stream.

Categories sharing entries with this one

MCP servers without declared required secrets 36,559 entries in this category32,082 shared MCP servers without a declared package registry 25,719 entries in this category25,719 shared Remotely executed MCP servers 25,476 entries in this category25,358 shared MCP servers over streamable-http only 24,232 entries in this category24,130 shared MCP servers with a repository URL 30,564 entries in this category22,620 shared Remote MCP servers with a repository URL 14,228 entries in this category14,121 shared

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

tracevero · https://tracevero.com/themen/ohne-umgebungsvariablen?seite=115