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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 19,035 of 25,181 in the registry
in this excerpt 76 % of 25,181 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

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 excerpt is distributed

Delivery form (raw)

19,017
Delivery form (raw)
remote12,602 66 %
paket5,484 29 %
paket und remote537 2.8 %
keines394 2.1 %

not recorded for 18 entries

Execution location

19,035
Execution location
remote12,732 67 %
local6,303 33 %

Repository platform (raw)

19,017
Repository platform (raw)
github13,583 71 %
nothing declared5,413 28 %
gitlab21 0.1 %

not recorded for 18 entries

Repository URL listed

19,035
Repository URL listed
yes13,615 72 %
no5,420 28 %

Schema version of the raw record (raw)

19,017
Schema version of the raw record (raw)
https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json16,956 89 %
https://static.modelcontextprotocol.io/schemas/2025-09-29/server.schema.json1,048 5.5 %
https://static.modelcontextprotocol.io/schemas/2025-07-09/server.schema.json449 2.4 %
https://static.modelcontextprotocol.io/schemas/2025-10-17/server.schema.json436 2.3 %
https://static.modelcontextprotocol.io/schemas/2025-09-16/server.schema.json124 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 declared

19,035
Credentials declared
no17,653 93 %
yes1,382 7.3 %

Per property, the measured values inside this excerpt. The share refers to the 19,035 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://api.tracevero.com/v1/eintraege?art=mcp_server&roh_umgebungsvariablen=&grenze=200"

The command carries exactly the condition of this page. 19,035 entries at 200 each are 96 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 excerpt. The feed carries an identifier of its own, so a feed reader keeps it apart from the full stream.

Excerpts sharing entries with this one

MCP servers without credentials 20,801 entries in this excerpt17,653 shared MCP servers without a declared package registry 13,011 entries in this excerpt13,011 shared Remotely executed MCP servers 12,812 entries in this excerpt12,732 shared MCP servers over streamable-http only 11,718 entries in this excerpt11,652 shared MCP servers with a repository URL 19,525 entries in this excerpt13,615 shared Remote MCP servers with a repository URL 7,786 entries in this excerpt7,713 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 4,401 to 4,450 of 19,035

Entries
Hadith Checker [Dorar.net]io.github.ibnsaleem29/dorar-hadith-mcp
Hagstofa Isio.github.pipeworx-io/hagstofa-is
Hagstova Foio.github.pipeworx-io/hagstova-fo
Hailio.github.hail-hq/hail-mcp
Hal Frio.github.pipeworx-io/hal-fr
Haldirio.github.ExposureGuard/haldir
Halitecc.halite/recipes
Hamptons Verifiedcom.hamptonsverified/hamptons-verified
Handelsregisterio.github.jkbngb/handelsregister
Handiworksio.github.Lukehal/handiworks-mcp
Handoffio.github.tiagoyonamine/handoff
Handoff Recovery Deskio.github.Wxt-ai/handoff-recovery-desk
Handoff Trackerio.github.Evozim/handoff-tracker
Handoff — publish agent results as shareable pagesdev.workers.notdown-app.handoff/publish
Handoversh.handover/handover
Hares — MCP security scannerio.github.alialrikabi313/hares
Harness Atlasio.github.pawel-kowalczyk/harness-atlas
Harris Boat Works - Mercury Repowerio.github.harrisboatworks/mercury-repower
Harrypotterio.github.pipeworx-io/harrypotter
Harvard Artio.github.pipeworx-io/harvard-art
HasDatacom.hasdata/hasdata
Hashio.github.pipeworx-io/hash
Hash Digest Toolcom.apished/hash-digest-tool
Hash Generator APIio.github.Br0ski777/hash-generator
Hashfile MCPio.github.mrorigo/hashfile
Hashloomio.github.davet47/hashloom
Hatchcom.viberooster/hatch
Hatchablecom.hatchable/hatchable
Hathitrustio.github.pipeworx-io/hathitrust
Have I Been Pwnedio.github.troyhunt/hibp
Hawaii Conditions MCP Serverio.github.Spacemandomains/hawaii-conditions
Hawaii Vehicle Registrationsio.github.pipeworx-io/hi-dmv
Hawkeye AI Bridgeio.github.Hawkeye-Zaragsoft/hawkeye-aibridge
Haypileio.github.BenyD/haypile
Hdxio.github.pipeworx-io/hdx
Health Bridge for AIio.github.roian6/health-bridge
Health Dataorg.memoryapi/health
Health Feedsio.github.pipeworx-io/health-feeds
Health Hub MCPio.github.naymEvg/health-mcp
Healthcare Provider Intelligenceio.github.Joinware/healthcare-provider-intelligence
Healthdataio.github.pipeworx-io/healthdata
Healthparse Healthcare Data Gatewayio.healthparse/gateway
Healthy Aging Atlasio.github.RustamIsmail/healthy-aging-atlas
Heartbeat — dead-man switch for cron jobs & AI agentsio.github.aniripsaretro-max/golemreach-heartbeat
Heartly Deals — Live Flash Sales (Shopify & WooCommerce)io.heartly/deals
Hebbian Mindio.github.For-Sunny/hebbian-mind-enterprise
Hebrew Bible (Tanakh)io.github.moshecohen90/hebrew-bible
Hecher CRMio.github.growgeltsolutions/hecher-mcp
Heddleio.github.davet47/heddle
Hedge Brokercom.hedgespecialty.www/broker

All 19,035 entries in the list, with filters and pagination

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