MCP servers without declared required secrets

MCP servers for which the registry lists neither an environment variable nor a header marked secret and required. Measured from the raw manifest values.

36,559 servers 86% of 42,727 in the directory

This category in numbers

23,166 63 % Execution location: remote
25,766 70 % Repository URL listed: yes
22,960 63 % Delivery form (raw): remote
25,671 70 % Repository platform (raw): github

The most frequent value per property, counted across the entries of this category. The full distribution is further down.

Entries

Filter further

Entries 10,351 to 10,400 of 36,559

Entries
JP-Verify	xyz.obolpay/jp-verify
JPEG magic-byte check, file discarded	io.github.sadri-dridi/jpeg-magic
JPYC Agent MCP	com.jpyc-info/jpyc-agent-mcp
JProfiler	io.github.ej-technologies/jprofiler-mcp
JS Reverse MCP	io.github.YuanHuakk/JSReverser-MCP
JS Reverse MCP	io.github.YuanHuakk/js-reverse-mcp
JS escape sequence count, input discarded	io.github.sadri-dridi/jsesc-ok
JS identifier charset, value discarded	io.github.sadri-dridi/ident-js
JS import count, source discarded	io.github.sadri-dridi/js-import-count
JS unicode-escape count, input discarded	io.github.sadri-dridi/js-uesc
JS unicode-escape count, input discarded	io.github.sadri-dridi/jsesc-n
JSON Accept hint	io.github.sadri-dridi/compat-json
JSON Check	io.github.sadri-dridi/json-check
JSON Contracts	io.github.json-contracts/json-contracts
JSON Lines row count, body discarded	io.github.sadri-dridi/json-lines-ok
JSON MCP Lite	io.github.scoretracker4321/json-mcp-lite
JSON Merge Patch key count, body discarded	io.github.sadri-dridi/json-merge-ok
JSON Pointer shape, path discarded	io.github.sadri-dridi/json-pointer-ok
JSON Pointer token count, path discarded	io.github.sadri-dridi/json-ptr-ok
JSON Repair & Agent Utilities	com.pythonanywhere.cryptopulse/json-repair
JSON Schema Regression Examples — Free Pilot	pub.akash.hurricane.ingress.s6d4jqn7rlal7d9hkd64h7pn8o/schema-regression-examples
JSON Schema Tools	io.github.basitalisandhu/mcp-json-schema-tools
JSON Schema keyword count, body discarded	io.github.sadri-dridi/json-schema-ok
JSON Validator API	io.github.Br0ski777/json-validator
JSON byte count, body discarded	io.github.sadri-dridi/json-bytes
JSON minify shape, body discarded	io.github.sadri-dridi/json-min-ok
JSON to TOON	io.github.karta9821/json2toon
JSON to Types	com.gumballtools/json-to-types
JSON top-level key count, values discarded	io.github.sadri-dridi/json-keys-ok
JSON type-tag count, values discarded	io.github.sadri-dridi/json-type-ok
JSON validity	io.github.sadri-dridi/json-ok
JSON-LD @type count, body discarded	io.github.sadri-dridi/jsonld-ok
JSON-LD script count, markup discarded	io.github.sadri-dridi/json-ld-n
JSON5 comment/key shape, body discarded	io.github.sadri-dridi/json5-ok
JSONL object-line count, bodies discarded	io.github.sadri-dridi/jsonl-ok
JSONPad documentation	io.jsonpad/docs
JSONShelf	io.github.walkojas-boop/jsonshelf
JSONlify	io.github.irmasemma/jsonlify
JUBA — Jurisprudencia de Buenos Aires	io.github.hernan-cc/juba-mcp
JUCESP: Busca de NIRE (pesquisa avançada)	io.github.mcp-dir/jucesp_nire-mcp
JUCESP: Certidão Simplificada	io.github.mcp-dir/jucesp_certidao_simplificada-mcp
JUCESP: Consulta Pública de Licenciamento	io.github.mcp-dir/jucesp_licenciamento-mcp
JUCESP: Download de Documento	io.github.mcp-dir/jucesp_documento-mcp
JUCESP: Ficha Cadastral Completa	io.github.mcp-dir/jucesp_ficha_completa-mcp
JUCESP: Ficha Cadastral Simplificada	io.github.mcp-dir/jucesp_ficha-mcp
JUCESP: Lista de Documentos	io.github.mcp-dir/jucesp_documentos-mcp
JUCESP: NIRE a partir de Sócio	io.github.mcp-dir/jucesp_nire_socio-mcp
JUCESP: REDESIM, Acompanhamento de Protocolo	io.github.mcp-dir/jucesp_redesim_protocolo-mcp
JULABO Circulator	io.github.K-Dense-AI/labmcp-julabo
JUMPER Health	com.jumper-health/jumper-health

All 36,559 entries in the list, with filters and pagination

What this category selects

What this category selects
Required secrets declared	no derived from: Required secret variables (raw)

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

Required secrets declared is not declared but computed: from Required secret variables (raw), Required secret headers (raw). The rule is published, with a version, on the methodology page.

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

Delivery form (raw)

36,535

Delivery form (raw)
remote	22,960 63 %
package	11,801 32 %
package and remote	1,277 3.5 %
neither	497 1.4 %

not recorded for 24 entries

Execution location

36,559

Execution location
remote	23,166 63 %
local	13,393 37 %

Repository platform (raw)

36,535

Repository platform (raw)
github	25,671 70 %
nothing declared	10,786 30 %
gitlab	78 0.2 %

not recorded for 24 entries

Repository URL listed

36,559

Repository URL listed
yes	25,766 70 %
no	10,793 30 %

Icon formats (raw)

36,535

Icon formats (raw)
nothing declared	32,746 90 %
image/png	2,288 6.3 %
image/png, image/svg+xml	819 2.2 %
image/svg+xml	604 1.7 %
image/webp	40 0.1 %
image/jpeg	29 0.1 %

and 6 more values · not recorded for 24 entries

Schema version of the raw record (raw)

36,535

Schema version of the raw record (raw)
https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json	34,025 93 %
https://static.modelcontextprotocol.io/schemas/2025-09-29/server.schema.json	1,289 3.5 %
https://static.modelcontextprotocol.io/schemas/2025-10-17/server.schema.json	536 1.5 %
https://static.modelcontextprotocol.io/schemas/2025-07-09/server.schema.json	531 1.5 %
https://static.modelcontextprotocol.io/schemas/2025-09-16/server.schema.json	145 0.4 %
https://static.modelcontextprotocol.org/schemas/2025-12-11/server.schema.json	3 0.0 %

and 5 more values · not recorded for 24 entries

Per property, the measured values inside this category. The share refers to the 36,559 entries of the category, not to the registry. Shown are 6 of 7 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&zugangsdaten_erforderlich=false&grenze=200"

The command carries exactly the condition of this page. 36,559 entries at 200 each are 183 requests; the total is in the X-Gesamt header.

Changes to these entries

https://tracevero.com/aenderungen.atom?thema=ohne-zugangsdaten

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 environment variables 34,377 entries in this category32,082 shared MCP servers with a repository URL 30,564 entries in this category25,766 shared MCP servers without a declared package registry 25,719 entries in this category23,472 shared Remotely executed MCP servers 25,476 entries in this category23,166 shared MCP servers over streamable-http only 24,232 entries in this category22,042 shared Local MCP servers without declared required secrets 13,393 entries in this category13,393 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-zugangsdaten?seite=208