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MCP servers with declared required secrets

MCP servers for which the registry lists at least one environment variable or header marked secret and required. Both pieces of original data stand beside it.

6,067 servers 14% of 41,867 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

Filter further

Entries 1 to 50 of 6,067

Entries
0DTE Confluencecom.0dteconfluence/confluence
0xinsiderio.github.0xinsider/mcp
11agents Cloud MCPio.github.11Agents/cloud-mcp
12Backlinksio.github.AmauryDvl/12backlinks
1C OData MCPio.github.alexgrebeshok-coder/onec-odata-mcp
21st.devdev.21st/mcp
2Captcha MCPio.github.aruxojuyu665/twocaptcha-mcp
2kw.aiai.2kw/mcp-server
370.ai — AI Gateway: 100+ Chat Models, Image & Speech Generationai.router/ai-gateway
402-LABio.github.Kairose-master/402-lab
4bl1tycom.4bl1ty/mcp
6Frame Verifyio.github.bret1976/6frame-verify
A1 Yandex KIT MCPio.github.gistrec/mcp-yandex-kit
A2A Trust Planeio.github.The-825/a2a-trust-plane
ABAP Acceleratorio.github.openkash/abap-accelerator
ABOVO.co — Email-to-Web Publishingio.github.seanfenlon/abovo-mcp-server
ACA - Automated Client Acquisitioncom.automatedclientacquisition.www/aca
ADM Google Adscc.adm/google-ads
AEMETio.github.mmillan76/aemet-mcp
AESO MCPio.github.bchoi-qwe/aeso-mcp
AI Act Radarcom.aiactradar/ai-act-radar
AI Brand Watch by Desveladev.desvela/brand-watch
AI Cortex Storagedev.aic0rt3x.memory/mcp
AI Diagram Makerio.github.erajasekar/ai-diagram-maker-mcp
AI Manga & Anime Generator - Mangii MCPai.mangii/manga
AI Metadata Cleanercom.aimetadatacleaner/metadata-cleaner
AI Venturessite.chatgpt.predicata-9274.ai-ventures/ai-ventures
AI Video Checknet.aivideocheck/mcp
AI Visibility Tracker (via Apify)io.github.retracn/ai-visibility
AI Watercolor Generatorcom.aiwatercolorgenerator/watercolor
AI Wavecom.elopstudio.aiwave/ai-wave
AI 开票助手 · 电子发票开具io.github.imoldyoung/e-invoice
AI-Advisorsai.ai-advisors/mcp
AI2Humanio.github.richard7463/ai2human-mcp
AICD APIcom.aicdapi/records
AICIA AI Signalio.github.Jack-mi/aicia-ai-signal
AIKI Knowledge Commonsio.github.opnwiki/aiki
AIMentionTrackerai.aimentiontracker/mcp
AIOProductOS MCPcom.aioproductos/mcp
AIPost MCP Serverio.github.AIPOST-EMAIL/mcp-server
AIR SDKio.github.ArcedeDev/air-sdk
AIRE Channel Bridgeio.github.CU2CU2/aire-channel-bridge
AISidekickio.github.Prasanthpalaniswamy/aisidekick-mcp
AImpactio.github.himanshufound/aimpact
AIquila — Nextcloud MCP Serverio.github.elgorro/aiquila-mcp
ALEETH Authority MCPcom.aleeth/authority-mcp
ALLFLYGHTSio.github.dev-allflyghts/mcp-server
ALM X++ MCP Serverio.github.alimbenhelal-pro/alm-xpp-mcp
AMH Cloudflare Ops MCP by WTio.github.pain2hustle/cloudflare-ops-mcp
AON — Agent Offer Networkpro.aon/mcp

All 6,067 entries in the list, with filters and pagination

Newest in this category

The 10 entries of this category that this registry listed most recently for the first time and that are not shown above. Ordered by the day first listed, not by any rating.

How it works

Before choosing

The selection depends on whether the source declares an environment variable or HTTP header as both secret and required. The absence of such a declaration proves neither access without an account nor a free service. Check the variables listed in the entry and the provider’s instructions before setting it up.

What this category selects

What this category selects
Required secrets declaredyes
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)

6,067
Delivery form (raw)
package3,078 51 %
remote2,188 36 %
package and remote801 13 %

Execution location

6,067
Execution location
local3,818 63 %
remote2,249 37 %

Repository platform (raw)

6,067
Repository platform (raw)
github4,738 78 %
nothing declared1,324 22 %
gitlab5 0.1 %

Repository URL listed

6,067
Repository URL listed
yes4,743 78 %
no1,324 22 %

Icon formats (raw)

6,067
Icon formats (raw)
nothing declared5,421 89 %
image/png415 6.8 %
image/svg+xml163 2.7 %
image/png, image/svg+xml65 1.1 %
image/jpeg2 0.0 %
image/png, image/webp1 0.0 %

Schema version of the raw record (raw)

6,067
Schema version of the raw record (raw)
https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json5,544 91 %
https://static.modelcontextprotocol.io/schemas/2025-09-29/server.schema.json367 6.0 %
https://static.modelcontextprotocol.io/schemas/2025-10-17/server.schema.json114 1.9 %
https://static.modelcontextprotocol.io/schemas/2025-07-09/server.schema.json32 0.5 %
https://static.modelcontextprotocol.io/schemas/2025-09-16/server.schema.json9 0.1 %
https://static.modelcontextprotocol.org/schemas/2025-12-11/server.schema.json1 0.0 %

Per property, the measured values inside this category. The share refers to the 6,067 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=true&grenze=200"

The command carries exactly the condition of this page. 6,067 entries at 200 each are 31 requests; the total is in the X-Gesamt header.

Changes to these entries

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

Questions about this selection

How do I set up one of these servers in my client?

Open the entry and choose “Build configuration” when a launch template is available. The builder lists the supported clients and identifies the values you need to supply. A generated file does not establish that the server is reachable or works with your installation.

View clients and setup

Are the listed servers free?

Membership of this category says nothing about price. Neither a repository address nor the absence of declared required secrets establishes that a service is free. Check the individual provider’s pricing and access terms.

How can I follow changes to this selection?

Each entry identifies the source and collection date of its declarations. The change stream for this category shows published changes to its entries. You can subscribe to its Atom feed without creating an account.

Follow changes to this category

Categories sharing entries with this one

MCP servers with required secrets and a repository URL 4,743 entries in this category4,743 shared Local MCP servers with declared required secrets 3,818 entries in this category3,818 shared Remote MCP servers with declared required secrets 2,249 entries in this category2,249 shared Remote MCP servers with an Authorization header 2,082 entries in this category2,082 shared Locally executed MCP servers 17,056 entries in this category3,818 shared Local MCP servers with a repository URL 16,152 entries in this category3,609 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/mit-zugangsdaten