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
- Execution location: local
- Execution location: remote
- Repository URL listed: yes
- Repository URL listed: no
- recently updated first
Entries 4,051 to 4,100 of 36,559
| CityHash hex length, input discarded | io.github.sadri-dridi/cityhash-len |
|---|---|
| CityHash128 hex length, input discarded | io.github.sadri-dridi/city128 |
| CityHash32 hex length, input discarded | io.github.sadri-dridi/city32 |
| CityHash64 hex length, input discarded | io.github.sadri-dridi/city64-len |
| CityWalk Plan | com.citywalkplan/planner |
| Citybikes | io.github.pipeworx-io/citybikes |
| Civic | io.github.pipeworx-io/civic |
| CivicBinder MCP | tech.thecompound/civicbinder |
| Civica citizenship test prep | com.citizenleap/civica |
| Civil twilight hour-band UTC | io.github.sadri-dridi/twilight-ok |
| Civis | io.github.civis-labs/civis |
| Civitai | io.github.pipeworx-io/civitai |
| Civo MCP by usefulapi | io.usefulapi/civo |
| Clack | dev.crabfish/clack |
| Claim by Ouroboros Apps | io.github.LAHutchins91/claim |
| ClaimGate - claim check before you publish | io.github.caseone115/claimgate |
| ClaimGate starter kit - set up a publish gate | io.github.caseone115/claimgate-kit |
| ClaimHit | io.github.Bikram2112/claimhit |
| Claimidx | io.github.claimidx/claimidx |
| Claimondo — Kfz-Gutachter finden & Termin buchen | de.claimondo/sv-finder |
| Clair | co.meetclair/clair |
| Clair | org.dpdns.clair/clair |
| Clairvoyance | fyi.clairvoyance/mcp |
| Clairwave | io.github.clairwave/clairwave |
| Clamp Analytics | sh.clamp/mcp |
| Clamp n into [min,max], numbers discarded | io.github.sadri-dridi/clamp-ok |
| Clara Mortgage Assistant | io.github.clara-finance/clara-mortgage-assistant |
| Clara — Personal Clean Air Planner | com.southlondonscientific/clara |
| ClaraConverts | com.claraconverts/clara |
| Clarid Compliance | ai.clarid/compliance |
| Clarid HMDA Validator | ai.clarid/hmda |
| Clarigrid | energy.clarigrid/clarigrid |
| Clarity Today | today.theclarity/clarity-today |
| Clarity by Health AI | com.healthai/clarity |
| Clash Royale | io.github.pipeworx-io/clash-royale |
| ClassCAD | io.github.awv-informatik/classcad |
| ClassDojo Classroom MCP | io.github.Eason0in/classdojo-mcp |
| ClassMarker MCP by usefulapi | io.usefulapi/classmarker |
| Claude Bridge | io.github.constripacity/claude-code-bridge |
| Claude Code Bridge from Essential AI Solutions (essentialai.uk) | io.github.eaisdevelopment/cc-bridge-mcp-server |
| Claude Code Explorer MCP | io.github.divu2025/codemaster |
| Claude Code Explorer MCP | io.github.nirholas/claude-code-explorer-mcp |
| Claude Code Ultimate Guide | io.github.FlorianBruniaux/claude-code-guide |
| Claude Connector for Odoo | io.github.technovision-dev/odoo-claude-connector |
| Claude Context Sync | io.github.ybin4548/claude-context-sync |
| Claude Cost Audit | io.github.tylerscomic-lab/claude-cost-audit-mcp |
| Claude FAF | one.faf/claude-faf-mcp |
| Claude Imagine | com.claudeimagine/claude-imagine |
| Claude KVM | io.github.ARAS-Workspace/claude-kvm |
| Claude Usage | io.github.syk8015/claudeusage |
All 36,559 entries in the list, with filters and pagination
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| 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| remote | 23,166 63 % |
|---|---|
| local | 13,393 37 % |
Repository platform (raw)
36,535| github | 25,671 70 % |
|---|---|
| nothing declared | 10,786 30 % |
| gitlab | 78 0.2 % |
not recorded for 24 entries
Repository URL listed
36,559| yes | 25,766 70 % |
|---|---|
| no | 10,793 30 % |
Icon formats (raw)
36,535| 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| 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
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=82