REPORT 01M7C9XCBZBAV4V73Z7KJ5DS0E · checks-v2
Once MCP server: automated checks
What HostedMCP checked on 14 Nov 2026, 05:54 UTC for @once-agent/mcp 0.2.1. Every result links to the public source it came from, so you can check it yourself.
Passed HostedMCP checks v2
100/100
7 of 11 checks ran · 0 high findings · not a security audit
- Checked
- 14 Nov 2026, 05:54 UTC
- Commit
- —
- Package
- npm · 0.2.1
- Methodology
- checks-v2
Origin
20 / 20 points- PassSource repository linked and reachable10 pts
stringsofthemind-oss/once is public and reachable
github.com/stringsofthemind-oss/once ↗ - PassPackage names this repository as its source5 pts
@once-agent/mcp names stringsofthemind-oss/once as source
npmjs.com/package/@once-agent/mcp ↗ - Not checkedBuild provenance (Sigstore attestation)10 pts
No build attestation published for this release
- Pass
Practices
5 / 5 points- PassCommit or release in the last year5 pts
Last commit or release 2026-11-05
github.com/stringsofthemind-oss/once ↗ - Not checkedOpenSSF Scorecard15 pts
Supply chain
25 / 25 points- PassPackage name not close to a popular package10 pts
No popular package one edit away from @once-agent/mcp
- PassNo critical advisory in the package or its dependencies15 pts
17 resolved dependencies checked; no critical advisory
osv.dev ↗
Tool safety
15 / 15 points- PassNo hidden instructions to the model15 pts
0 tool descriptions and the README read; no override phrases, credential paths or hidden characters
- Not checkedDestructive tools are labelled5 pts
Endpoint
not checked- Not checkedRemote endpoint answers the MCP handshake5 pts
What these checks do not cover
- The server's code is not run and its logic is not audited.
- Results describe the state on the date above and @once-agent/mcp 0.2.1; a later release can differ.
- A pass is not a guarantee of safety. Give every server the narrowest token or role it needs.