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PackageGuard

R0· no sign-in

x402-gated safety checker for npm/PyPI packages before you npm install / pip install.

v1.0.0 · active · repository · descriptor JSON · versions

An agent can connect right now, no human step.Remote endpoint, no authentication, reachable on the last probe.
Quality79good
Trust87of 100
Uptime, 30 days100%
Latency p50319 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "packageguard": {
      "type": "http",
      "url": "https://packageguard-k4s4.onrender.com/mcp"
    }
  }
}
claude mcp add --transport http packageguard https://packageguard-k4s4.onrender.com/mcp
[mcp_servers.packageguard]
url = "https://packageguard-k4s4.onrender.com/mcp"

{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "packageguard": {
      "type": "remote",
      "url": "https://packageguard-k4s4.onrender.com/mcp",
      "enabled": true
    }
  }
}
{
  "mcpServers": {
    "packageguard": {
      "type": "http",
      "url": "https://packageguard-k4s4.onrender.com/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=packageguard&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vcGFja2FnZWd1YXJkLWs0czQub25yZW5kZXIuY29tL21jcCJ9"
}
{
  "servers": {
    "packageguard": {
      "type": "http",
      "url": "https://packageguard-k4s4.onrender.com/mcp"
    }
  }
}
{
  "mcpServers": {
    "packageguard": {
      "httpUrl": "https://packageguard-k4s4.onrender.com/mcp"
    }
  }
}
extensions:
  "packageguard":
    enabled: true
    name: "packageguard"
    type: streamable_http
    uri: "https://packageguard-k4s4.onrender.com/mcp"
    timeout: 300

Quality 79 / 100good

protocol75 · weight 25
  • warn
    protocol.modernnewest supported version is 2025-11-25; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
  • n/a
    protocol.statelessonly applies to 2026-07-28 servers
  • pass
    protocol.transportstreamable HTTP
  • n/a
    protocol.list_ttlonly applies to 2026-07-28 servers
authorizationn/a · weight 15
  • n/a
    auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
  • n/a
    auth.secret_in_urlno templated URL
tool hygiene71 · weight 30
  • pass
    tools.descriptionsevery tool has a description
  • pass
    tools.description_lengthdescriptions are concise
  • pass
    tools.schemasevery tool has an object input schema
  • fail
    tools.annotationsno tool declares readOnlyHint or destructiveHint, so clients cannot tell safe calls from risky ones
  • fail
    tools.directory_hintsno tool declares all four of readOnlyHint, destructiveHint, idempotentHint and openWorldHint; missing: check_package_safety (readOnlyHint, destructiveHint, idempotentHint, openWorldHint)
  • pass
    tools.token_costabout 114 tokens to load every tool
  • pass
    tools.api_dumptools are not a one-to-one API dump
stability100 · weight 15
  • pass
    stability.changesno tool changes in 30 days
  • pass
    stability.rug_pullno tool changed its meaning under the same name
dependenciesn/a · weight 15
  • n/a
    deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

1 tools, about 114 tokens to load them all · tool set 60613a333ee8 · checked 2026-10-20 02:01 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 87 / 100

provenance80
liveness100
freshness65
hygiene100

+repository +namespace-matches-repo +reachable +uptime-100% ~updated-105d-ago

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

Endpoints

remoteauthreachableuptime 30dp50protocollast ok
https://packageguard-k4s4.onrender.com/mcp streamable-httpnoneyes100%319 ms2025-11-252026-10-19

Tools (1)

check_package_safetyCheck whether an npm or PyPI package is safe to install. Costs $0.005 USDC via x402 per call.

Schemas: list_tools.

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Official server.json
{
  "name": "io.github.DanKaten/packageguard",
  "title": "PackageGuard",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://packageguard-k4s4.onrender.com/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "1.0.0",
  "repository": {
    "url": "https://github.com/DanKaten/packageguard",
    "source": "github"
  },
  "description": "x402-gated safety checker for npm/PyPI packages before you npm install / pip install."
}