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zeroheight

R2· OAuth, once

Connect AI assistants to zeroheight styleguides using the Model Context Protocol

v2.10.2 · active · website · descriptor JSON · versions

An agent can connect after a one-time OAuth consent by a human.Remote endpoint behind OAuth 2. Tokens stay with the agent; the registry only exposes the authorization metadata.
Quality48needs work
Trust76of 100
Uptime, 30 days100%
Latency p50380 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "zeroheight": {
      "type": "http",
      "url": "https://mcp.zeroheight.com/mcp"
    }
  }
}
claude mcp add --transport http zeroheight https://mcp.zeroheight.com/mcp
[mcp_servers.zeroheight]
url = "https://mcp.zeroheight.com/mcp"
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "zeroheight": {
      "type": "remote",
      "url": "https://mcp.zeroheight.com/mcp",
      "enabled": true
    }
  }
}
{
  "mcpServers": {
    "zeroheight": {
      "type": "http",
      "url": "https://mcp.zeroheight.com/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=zeroheight&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vbWNwLnplcm9oZWlnaHQuY29tL21jcCJ9"
}
{
  "servers": {
    "zeroheight": {
      "type": "http",
      "url": "https://mcp.zeroheight.com/mcp"
    }
  }
}
{
  "mcpServers": {
    "zeroheight": {
      "httpUrl": "https://mcp.zeroheight.com/mcp"
    }
  }
}
extensions:
  "zeroheight":
    enabled: true
    name: "zeroheight"
    type: streamable_http
    uri: "https://mcp.zeroheight.com/mcp"
    timeout: 300

Quality 48 / 100needs work

protocoln/a · weight 25
  • n/a
    protocol.modern, protocol.stateless, protocol.transport, protocol.list_ttlno remote answered a protocol handshake (not probed yet, unreachable, or local-only)
authorization63 · weight 15
  • pass
    auth.prmProtected Resource Metadata (RFC 9728) published
  • pass
    auth.as_metadataauthorization server metadata reachable
  • warn
    auth.cimdonly Dynamic Client Registration, deprecated in 2026-07-28 in favour of CIMD
  • fail
    auth.secret_in_urlsecret in the URL (token); URLs end up in logs, use a header
tool hygienen/a · weight 30
  • n/a
    tools.descriptions, tools.description_length, tools.schemas, tools.annotations, tools.directory_hints, tools.token_cost, tools.api_dumptool list unknown (behind auth, not probed, or empty)
stabilityn/a · weight 15
  • n/a
    stability.changes, stability.rug_pulltool list unknown
dependencies33 · weight 15
  • fail
    deps.known_vulns1 advisory to act on (malicious, or rated high or critical with a fix available): GHSA-68fv-2mgg-jv7q in [email protected] (indirect, fixed in 1.2.2)
  • fail
    deps.mcp_sdk_version@modelcontextprotocol/sdk 1.30.1 has 1 known advisory (GHSA-6qxp-vccf-f47h); update @modelcontextprotocol/sdk to 1.31.0 or later
  • pass
    deps.resolvable@zeroheight/[email protected] resolved: 192 packages

Tool list unknown · checked 2026-10-19 11:27 UTC

Tool changes

No tool definition changes recorded. A server's first observation is its baseline; later probes record what changes.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 76 / 100

no-repository
provenance55
liveness100
freshness65
hygiene80

+dns-namespace +website +reachable +uptime-100% ~updated-124d-ago -no-repository

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Dependencies

@zeroheight/[email protected] npm191 dependencies, resolved · MCP SDK @modelcontextprotocol/sdk 1.30.1 · advisories checked 2026-10-19

advisoryseveritypackagefixed in
GHSA-6qxp-vccf-f47hMCP TypeScript SDK: OAuth client could send credentials to an authorization server chosen by the MCP serverhigh@modelcontextprotocol/[email protected]MCP SDK, directfixed in 1.31.0
GHSA-68fv-2mgg-jv7qsource-map-js allows event-loop denial of service through indexed source-map section offsetshigh[email protected]indirectfixed in 1.2.2

Dependency graphs from deps.dev; advisories from OSV.dev, including the GitHub Advisory Database and the PyPI Advisory Database; all CC BY 4.0. The graph is what a clean install of this version resolves today; nothing was installed or run. How it is checked.

Endpoints

remoteauthreachableuptime 30dp50protocollast ok
https://mcp.zeroheight.com/mcp streamable-httpoauth2 AS: https://auth.zeroheight.com/mcpyes100%380 ms–2026-10-19
https://mcp.zeroheight.com/mcp/{token} streamable-http · templatedunknownnot probed––––
packageregistryversionruntimesecrets
@zeroheight/mcp-servernpm2.10.2–ZEROHEIGHT_ACCESS_TOKEN, ZEROHEIGHT_CLIENT_ID

Tools (0)

No tools observed. Tools appear once a credential-free probe can list them.

Schemas: list_tools.

Similar MCP servers

Official server.json
{
  "name": "com.zeroheight/zeroheight",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://mcp.zeroheight.com/mcp",
      "type": "streamable-http"
    },
    {
      "url": "https://mcp.zeroheight.com/mcp/{token}",
      "type": "streamable-http",
      "variables": {
        "token": {
          "isSecret": true,
          "isRequired": true,
          "description": "The unique token from your MCP URL (from AI settings or a Remote MCP details block)"
        }
      }
    }
  ],
  "version": "2.10.2",
  "packages": [
    {
      "version": "2.10.2",
      "transport": {
        "type": "stdio"
      },
      "identifier": "@zeroheight/mcp-server",
      "registryType": "npm",
      "environmentVariables": [
        {
          "name": "ZEROHEIGHT_ACCESS_TOKEN",
          "isSecret": true,
          "description": "Optional zeroheight access token (starts with zhat_). If omitted, the local MCP uses OAuth."
        },
        {
          "name": "ZEROHEIGHT_CLIENT_ID",
          "isSecret": true,
          "description": "Optional zeroheight client ID (starts with zhci_). If omitted, the local MCP uses OAuth."
        }
      ]
    }
  ],
  "websiteUrl": "https://help.zeroheight.com/hc/en-us/articles/48004395674011-zeroheight-MCP-overview",
  "description": "Connect AI assistants to zeroheight styleguides using the Model Context Protocol"
}