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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 16,402 of 22,120 in the registry
in this excerpt 74 % of 22,120 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)

16,384
Delivery form (raw)
remote10,269 63 %
paket5,249 32 %
paket und remote496 3.0 %
keines370 2.3 %

not recorded for 18 entries

Execution location

16,402
Execution location
remote10,395 63 %
local6,007 37 %

Repository platform (raw)

16,384
Repository platform (raw)
github12,030 73 %
nothing declared4,335 26 %
gitlab19 0.1 %

not recorded for 18 entries

Repository URL listed

16,402
Repository URL listed
yes12,060 74 %
no4,342 26 %

Schema version of the raw record (raw)

16,384
Schema version of the raw record (raw)
https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json14,436 88 %
https://static.modelcontextprotocol.io/schemas/2025-09-29/server.schema.json959 5.8 %
https://static.modelcontextprotocol.io/schemas/2025-10-17/server.schema.json433 2.6 %
https://static.modelcontextprotocol.io/schemas/2025-07-09/server.schema.json429 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

16,402
Credentials required
no15,145 92 %
yes1,257 7.7 %

Per property, the measured values inside this excerpt. The share refers to the 16,402 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. 16,402 entries at 200 each are 83 requests; the total is in the X-Gesamt header.

Excerpts sharing entries with this one

MCP servers without credentials 18,095 entries in this excerpt15,145 shared MCP servers without a declared package registry 10,654 entries in this excerpt10,654 shared Remotely executed MCP servers 10,471 entries in this excerpt10,395 shared MCP servers over streamable-http only 9,684 entries in this excerpt9,622 shared MCP servers with a repository URL 17,566 entries in this excerpt12,060 shared Remote MCP servers with a repository URL 6,497 entries in this excerpt6,427 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 1,901 to 1,950 of 16,402

Entries
Corebee AI Customer Supportio.github.jonny-1812/corebee
Coresignalio.github.pipeworx-io/coresignal
Corporate Apologyio.github.pipeworx-io/corporate-apology
CorpusIQio.corpusiq/multi-source-mcp
Corralio.github.sebastienrousseau/corral
Correkt: The AI-Native Online Marketplace for Physical Productscom.correkt/api-server
Corresyncio.github.nkiyohara/corresync
Cortexio.github.abbacusgroup/cortex
Cortex MCP — Multi-Level Reasoning Serverio.github.j0hanz/cortex-mcp
Cortex Memory Engineio.github.gambletan/cortex
CortexPilot Read-only MCPio.github.xiaojiou176-open/cortexpilot-readonly
Corvi Careersio.github.jobswithgpt/corvi-careers
Cosmergonio.github.rkocosmergon/cosmergon
Cosmonoteai.cosmonote/notes
CostBenchcom.costbench/mcp
CostPilotcom.mcpgatepro/costpilot
Costa Rica Invoices (Hacienda comprobante electronico v4.4)app.wishpool/costa-rica-invoice-mcp
Costa Rica Payments (ONVO Pay — SINPE Movil)app.wishpool/costa-rica-payments-mcp
Costory FinOps MCPio.costory/finops
Cotribute MCPcom.cotribute/mcp
Could Have Been Emailio.github.pipeworx-io/could-have-been-email
Countdowns Online MCPio.github.Rocniubi/countdowns-online-mcp
Countdowns Online MCPio.github.rocnubie/countdowns-online-mcp
Country Calling Codesio.github.Kajdep/countrycallingcodesmcp
Country Data Mcpio.github.varvararatta/country_data_mcp
Country State Cityio.github.pipeworx-io/country-state-city
Courierio.github.antonioac1/courier
Courierio.github.trycourier/courier
CourseForgeio.github.michaeljmoody/courseforge
CourseProfilercom.courseprofiler/courseprofiler
Court Listenerio.github.pipeworx-io/court-listener
Court Recordsio.github.martc03/court-records
CourtAPI — Federal Court Dataio.github.courtio/courtapi-mcp
CourtListenerio.github.Vaquill-AI/courtlistener-mcp
Cove Data Protection MCPio.github.Servosity/cove-mcp
Covenant Guardorg.opencovenant/guard
CoworkingViewcom.coworkingview/mcp
Cpscio.github.pipeworx-io/cpsc
CrabbitMQcom.crabbitmq/mcp
Craftdo.craft.mcp/server
Crane Ledgerai.craneledger/crane-ledger
Crank Protocoling.crank/crank
CrashStory MCPcom.crashstory/crashstory
Cratesio.github.pipeworx-io/crates
CrawlConsolecom.crawlconsole/crawlconsole
CrawlRavencom.crawlraven/mcp
Crawlbaseio.github.pipeworx-io/crawlbase
Crawlbergio.github.xberg-io/crawlberg
Crawlieapp.crawlie/crawlie
Crawlora MCPnet.crawlora/crawlora-mcp

All 16,402 entries in the list, with filters and pagination

tracevero · https://tracevero.com/en/themen/ohne-umgebungsvariablen?seite=39