Check npm and PyPI packages exist before install: versions, age, downloads, look-alikes.
Connect Remote server
claude mcp add --transport http notary https://notary.clawhard.com/mcp
{
"mcpServers": {
"notary": {
"url": "https://notary.clawhard.com/mcp"
}
}
}
{
"servers": {
"notary": {
"type": "http",
"url": "https://notary.clawhard.com/mcp"
}
}
}
Settings > Connectors > Add custom connector
URL: https://notary.clawhard.com/mcp
Tools 1 found in our last check
notary_check_packagesUse when the user or an agent is about to install or import npm or PyPI packages: before npm install or pip install, when adding lines to package.json or requirements.txt, or when a package name came from an AI answer, a tutorial or memory and may be invented. Looks each name up…
Details
| Endpoint | https://notary.clawhard.com/mcp (Streamable HTTP) |
| First published | 9 Nov 2026 |
| Last updated | 9 Nov 2026 |
| Registry name | com.clawhard/notary |
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