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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 17,586 of 23,407 in the registry
in this excerpt 75 % of 23,407 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)

17,568
Delivery form (raw)
remote11,379 65 %
paket5,303 30 %
paket und remote511 2.9 %
keines375 2.1 %

not recorded for 18 entries

Execution location

17,586
Execution location
remote11,508 65 %
local6,078 35 %

Repository platform (raw)

17,568
Repository platform (raw)
github12,620 72 %
nothing declared4,929 28 %
gitlab19 0.1 %

not recorded for 18 entries

Repository URL listed

17,586
Repository URL listed
yes12,650 72 %
no4,936 28 %

Schema version of the raw record (raw)

17,568
Schema version of the raw record (raw)
https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json15,556 88 %
https://static.modelcontextprotocol.io/schemas/2025-09-29/server.schema.json1,012 5.8 %
https://static.modelcontextprotocol.io/schemas/2025-07-09/server.schema.json438 2.5 %
https://static.modelcontextprotocol.io/schemas/2025-10-17/server.schema.json435 2.5 %
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

17,586
Credentials required
no16,301 93 %
yes1,285 7.3 %

Per property, the measured values inside this excerpt. The share refers to the 17,586 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. 17,586 entries at 200 each are 88 requests; the total is in the X-Gesamt header.

Excerpts sharing entries with this one

MCP servers without credentials 19,295 entries in this excerpt16,301 shared MCP servers without a declared package registry 11,769 entries in this excerpt11,769 shared Remotely executed MCP servers 11,585 entries in this excerpt11,508 shared MCP servers over streamable-http only 10,515 entries in this excerpt10,451 shared MCP servers with a repository URL 18,250 entries in this excerpt12,650 shared Remote MCP servers with a repository URL 7,015 entries in this excerpt6,945 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 5,201 to 5,250 of 17,586

Entries
MUJ428 Trust Layer — VERIFY BEFORE ACTio.github.wmujahid428-web/trust-layer
MVR API - Minimum Viable Relationshipsio.github.africanmarketos591/mvr-api
MaBoSS Boolean Network Simulatorio.github.marcorusc/MaBoSS
MaCalculatriceEnLigneio.github.tresor4k/macalc-mcp
MaShop MCPapp.mashop/mcp
Mac Calendar MCPio.github.wagamama/mac-calendar-mcp
Mac Mail MCPio.github.wagamama/mac-mail-mcp
Mac-letterheadio.github.easytocloud/mac-letterhead
MacTech CMMC / NIST 800-171com.mactechsolutionsllc.www/cmmc
MacTech Federal Marketcom.mactechsolutionsllc.www/federal-market
MacTech STIGcom.mactechsolutionsllc.www/stig
Macaroon Networkcom.macaroonnetwork/mcp-server
Macbethio.github.wende/macbeth
Macfaxcom.macfax/macfax
Machina World Cup Intelligencegg.machina/world-cup-intelligence
Macro Snapshotio.github.pipeworx-io/macro-snapshot
Macrostratio.github.pipeworx-io/macrostrat
Macvendorsio.github.pipeworx-io/macvendors
Madario.github.mohanagy/madar
Madrid Eventsio.github.pipeworx-io/madrid-events
Magellan Data Spotlightio.magellandata/spotlight
Magento Cloud MCP Serverio.github.juan-cinto-infracommerce/magento-cloud
Maggio.github.sitbon/magg
Magic 8 Ballio.github.pipeworx-io/magic-8-ball
Magic 8 Balllive.alpic.new-test-cli-239fbe01/new-test-cli
Magic 8 Ball QA Demolive.alpic.test5-ca2cc17f/test5
Magic Insightsai.magicinsights/insights
MagicSlidesio.github.theindianappguy/magicslides-mcp
MagicTeXio.github.ZoeLinUTS/magictex
Magnifica.family Pope Catholic AI Compassio.github.a-church-ai/magnifica-family
Magnificent Jobscom.magnificentjobs/jobs
Maguyvaai.maguyva/maguyva
Maha OS Cognitive Gatewaycom.maha-os/cognitive-gateway
Mail.appio.github.p-l-ta/mail-mcp
MailFathomio.github.Krzysztof318/mailfathom
MailFixturecom.mailfixture/mailfixture
MailJunkyai.mailjunky/mcp
MailMCPio.mailmcp/mailmcp
MailStreamapp.mailstream/mailstream
MailX Email Deliverabilitycom.themailx/email-deliverability
Mailboxio.github.psyb0t/mailbox
Mailcannonio.github.AinaLuc/mailcannon
Mailchimpio.github.pipeworx-io/mailchimp
Maindex Expert Memory Serviceio.maindex/expert
Maindex Smart Memory Serviceio.maindex/smart
Mainlinedev.mainline/mcp
Maintenance Concierge AIcom.checkmycontractorquote/maintenance-concierge-ai
Make Bracket Online MCPio.github.rocnubie/makebracket-mcp
Make Effectsio.github.krasnoperov/makefx
MakeItRunio.github.makeitrunai/makeitrun-mcp

All 17,586 entries in the list, with filters and pagination

tracevero · https://tracevero.com/en/themen/ohne-umgebungsvariablen?seite=105