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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".

33,621 servers 80% of 41,867 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 1 to 50 of 33,621

Entries
$AI on HyperEVMai.thetickeris/agent-rail
(WiP) An everything applive.alpic.staging.everything-app-7f22928f/everything-app
.FAF Contextio.github.Wolfe-Jam/faf-mcp
.FAF Contextone.faf/faf-mcp
.NET Debugger for MCPio.github.nevse/dotnet-debugger-mcp
.promptscom.dotprompts/dotprompts
00Widgetcom.00widget/00widget
01Mindnet.01mind/orpheus
01Mindnet.01mind/charon
0523 Public — Taiwan Logistics & Customstw.0523/lucky-public
0DTE Confluencecom.0dteconfluence/confluence
0Latency Memoryio.github.jghiglia2380/0latency
0bridgedev.0bridge/0bridge
0bull Phone Farmnet.0bull/phone-farm
0nMCP — Universal AI API Orchestratorio.github.0nork/0nMCP
0si.ai Disclosuresai.0si/disclosures
0to100xyz.0to100.mcp/sports
0xArchive Market Dataio.0xarchive/mcp
0xHumans Protocol MCPio.github.DavidOrpeli/0xhumans-mcp
0xrhXBT — Robinhood Chain Intelligenceio.github.mkrz-x/rhxbt
1-800Deals Directoryio.github.cloudalien2025/1800deals-directory
100Hires - AI ATS & Recruitment Softwarecom.100hires/100hires
101 Soundboardscom.101soundboards/search
1099Policycom.1099policy/mcp
11FGB Cleaning Toolsio.github.kossik/11fgb-cleaning-tools
11agents Cloud MCPio.github.11Agents/cloud-mcp
1211 - your picture on a shirtcom.1211holding/merch
1233.chatchat.1233/marketplace
12Backlinksio.github.AmauryDvl/12backlinks
13-Week Cash Flow Planit.chiriba/cashflow13
1325.AIai.1325/mcp
13FLOWio.github.bluetouff/13flow
16 hex charsio.github.sadri-dridi/hex-16
16 random hex charsio.github.sadri-dridi/random-hex16
17-0 MCPio.github.rocnubie/17-0-mcp
1820.ch – Telefonbuch Schweizch.1820/telefonbuch
1845 Smoked Meat AI Gatewaycom.getbotlens/1845meat
19hzio.github.pipeworx-io/19hz
1ClickReportio.github.1clickreport/mcp
1ClickWebsiteai.1clickwebsite/mcp
1F3D9 City Life for AI Agentsio.github.onetapstudiogames/1f3d9
1F4BCio.github.1f4bcai/1f4bc
1Lookupio.1lookup/1lookup
1RBT terse agent recordnet.dynv6.1rbt1/rbt
1Socialdev.1social/1social
1acre Land Intelligencein.1acre/land-intelligence
1c-rest-mcpio.github.theYahia/1c-rest-mcp
1cent Web Intelligence for AI Agentsru.maxzoa/1cent
1gatewayio.github.code0xff/1gateway
1inch MCPcom.1inch.business/mcp

All 33,621 entries in the list, with filters and pagination

Newest in this category

The 10 entries of this category that this registry listed most recently for the first time and that are not shown above. Ordered by the day first listed, not by any rating.

How it works

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)

33,603
Repository platform (raw)
github22,189 66 %
nothing declared11,356 34 %
gitlab58 0.2 %

not recorded for 18 entries

Repository URL listed

33,621
Repository URL listed
yes22,258 66 %
no11,363 34 %

Delivery form (raw)

33,603
Delivery form (raw)
remote24,545 73 %
package7,838 23 %
package and remote729 2.2 %
neither491 1.5 %

not recorded for 18 entries

Execution location

33,621
Execution location
remote24,695 73 %
local8,926 27 %

Icon formats (raw)

33,603
Icon formats (raw)
nothing declared29,997 89 %
image/png2,220 6.6 %
image/png, image/svg+xml687 2.0 %
image/svg+xml630 1.9 %
image/jpeg31 0.1 %
image/webp28 0.1 %

and 6 more values · not recorded for 18 entries

Schema version of the raw record (raw)

33,603
Schema version of the raw record (raw)
https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json31,218 93 %
https://static.modelcontextprotocol.io/schemas/2025-09-29/server.schema.json1,262 3.8 %
https://static.modelcontextprotocol.io/schemas/2025-07-09/server.schema.json495 1.5 %
https://static.modelcontextprotocol.io/schemas/2025-10-17/server.schema.json488 1.5 %
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 33,621 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. 33,621 entries at 200 each are 169 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.

Questions about this selection

How do I set up one of these servers in my client?

Open the entry and choose “Build configuration” when a launch template is available. The builder lists the supported clients and identifies the values you need to supply. A generated file does not establish that the server is reachable or works with your installation.

View clients and setup

Are the listed servers free?

Membership of this category says nothing about price. Neither a repository address nor the absence of declared required secrets establishes that a service is free. Check the individual provider’s pricing and access terms.

How can I follow changes to this selection?

Each entry identifies the source and collection date of its declarations. The change stream for this category shows published changes to its entries. You can subscribe to its Atom feed without creating an account.

Follow changes to this category

Categories sharing entries with this one

MCP servers without declared required secrets 35,800 entries in this category31,385 shared MCP servers without a declared package registry 25,051 entries in this category25,051 shared Remotely executed MCP servers 24,811 entries in this category24,695 shared MCP servers over streamable-http only 23,554 entries in this category23,454 shared MCP servers with a repository URL 30,107 entries in this category22,258 shared Remote MCP servers with a repository URL 13,955 entries in this category13,850 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