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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

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Entries 34,351 to 34,377 of 34,377

Entries
週末不賣甜點 Weekend no dessertcom.weekendnodessert/order
遊戲發售日與預告片資料庫dev.workers.panda198271.tw-game-release/game-release
遊戲發售日與預告片資料庫com.penguindriver/game
障害福祉AI辞典 (Japan Disability Welfare Dictionary)ai.fukushi/dictionary
電影大師 filmaiai.filmai/filmai
電影影集動畫上映日com.penguindriver/movie
電影影集動畫上映日資料庫dev.workers.panda198271.tw-screen-release/screen-release
顏回 YanHui Debug AIio.github.sstklen/yanhui-debug
굿새김 GOODSAEGIM — 커스텀 굿즈 견적·주문com.goodsaegim/goodsaegim
나라장터 입찰 MCPio.github.donghyeon01/kr-public-mcp
내만집 (nmjib) — Korean semi-self interior renovationcom.nmjib/nmjib
드래프터즈 (Drafters)kr.drafters/drafters
매동 (maedong) — Korean Market Signalskr.maedong/maedong
메모짱ai.memozzang/memozzang
바로이집 (Baroezip)com.baroezip/mcp
법이 닿는 곳 (Where Law Reaches)io.github.leejaejeon/beobi-daneun-got
볼테나 ERP (Boltena ERP)com.boltena/erp
오늘냥이 (Oneul Nyangi)today.nyangi/oneul-nyangi
원불교 교서app.wonbuddhism/scripture
윤슬 Yunseul — 사주 만세력com.threebillions.yunseul/saju
한국 해양·낚시 정보 (물때)com.kimnchai/marine-conditions
한국일보 뉴스 (Hankookilbo)com.hankookilbo.mcp/hankookilbo-mcp
회계위키 (AccountingWiki)kr.co.accountingwiki/accountingwiki
후잉가계부com.whooing/whooing
[MCP]アイレディース化粧品 - アイスター商事【公式】jp.yomitasu/ai-star-co-jp
🐴 Gulltopprio.github.portdeveloper/gulltoppr
💯 YouTube Transcript + YouTube Search MCP for AI Agentscom.transcriptapi/youtube-transcript-and-youtube-search

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=688