MCP.Market

Zerno Lite MCP server

online · 36% uptime
by zerno.one·one.zerno/zerno-lite·v1.0.0
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Give AI agents secure access to ZERNO project briefs, tasks, and context over remote MCP.

A85/100grade A
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Safety scan
A85/100

full report

Adoption
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If you have run it, two minutes of your experience saves the next person an afternoon.

Zerno Lite tools

Tool list not cached yet. `describe` through the gateway fetches it live.

Public scan report

scanner v0.1.10 · 2026-11-01 · same rubric, same numbers if you re-run it

no findings
  • –Code scanremote-only server, no package to scann/a
  • Live reliabilityremote reachable in 766ms (auth required)20/20
  • –Tool poisoningtools not inspected (endpoint requires auth); not countedn/a
  • Auth qualityOAuth resource metadata advertised on 40115/15
  • Maintenancelast push 139 days ago8/15
  • Maintainer identityendpoint served from the registry-verified namespace domain8/10
Overall 85/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How Zerno Lite compares

Against every graded MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
85/100
higher than 70% of 48,255 servers
Uptime
36%
of our recent checks; the typical remote server answers 100%
Response time
1,164 ms
faster than 9% of 30,031 servers

Install Zerno Lite in Claude Code, Cursor or VS Code

claude mcp add --transport http zerno-lite https://zerno.one/mcp
Add to Cursor

What the publisher says

From the Zerno Lite repository's README, as published. We do not edit it. Read it on GitHub

ZERNO Lite — MCP Server

Official metadata for the ZERNO Lite Model Context Protocol (MCP) server.

ZERNO Lite is a remote MCP server that connects AI agents to ZERNO project context — project briefs, task and agent context, and structured intake workflows — over a secure, OAuth-authorized endpoint. It's built for coding agents, product agents, and automation workflows that need to understand a project before acting, without unrestricted backend access.

This repository is the public "front door" for the hosted server: metadata, server.json, and the

tool catalog for MCP directories. It does not contain the backend source — the server runs as a

hosted service at the endpoint below.

Endpoint

https://zerno.one/mcp

Quickstart

Add a remote connector named zerno with URL https://zerno.one/mcp, then complete the OAuth consent in the browser.

  • Claude Code / Claude Desktop: Settings → Connectors → add custom connector (name zerno, URL above).
  • Codex CLI: codex mcp add zerno --url https://zerno.one/mcp
  • Cursor: Settings → MCP → Add server → URL https://zerno.one/mcp

For user-scoped tokens, tell the agent which project with a project_slug (e.g. zerno-one).

Tools (8)

Full machine-readable schemas: tools-list.json. No tool deletes data or calls third-party services. tools/list is scope-filtered — a read-only token sees only the four read tools.

Security & privacy

Every call requires OAuth; nothing is exposed unauthenticated. Bearer tokens are hashed at rest, no secrets are returned in tool output, and every call is audit-logged. Access is tied to the user's authorized ZERNO workspace/project.

Limitations

Requires a ZERNO account and an authorized project. Remote/hosted only (no stdio or packaged distribution). Tools only — no MCP resources or prompts.

Files in this repo

  • server.json — Official MCP Registry manifest
  • tools-list.json — full tools/list (8 tools, exact schemas)
  • smithery-server-card.json — static server card for Smithery
  • LICENSE — MIT

Links

  • Website: https://zerno.one
  • Docs: https://zerno.one/docs/mcp

License

MIT — applies to this metadata repository.

Nothing above is checked by us. What we check is on the safety report.

Grade history

  • 2026-11-01restoreF → Ascore 85
  • 2026-10-24revokeB → Fscore 35: Remote endpoint did not respond

Zerno Lite: common questions

Is Zerno Lite MCP server safe?
Yes, by our scan: it is graded A (85/100). Read the Zerno Lite safety report
How do I install Zerno Lite?
It runs remotely at zerno.one. Add it to Claude Code, Cursor, VS Code or Claude Desktop with the snippets above, or call it through the mcp.market gateway without installing anything.
Does Zerno Lite need an API key?
No key to paste: it signs you in with OAuth when your client connects.
Is Zerno Lite maintained?
The last commit was 142 days ago (2026-06-15). The latest release is v1.0.0.
Is Zerno Lite up?
36% of our last 28 checks got an answer. We check remote servers about four times a day.
How does Zerno Lite compare with other MCP servers?
safety score 85/100 (higher than 70% of 48,255 servers); uptime 36% (of our recent checks; the typical remote server answers 100%); response time 1,164 ms (faster than 9% of 30,031 servers). Full comparison.