Is Contextual MCP server safe?
Yes, with the usual care.
Safe to use. Minor gaps such as a missing repository or slower maintenance.
No critical or high findings in the latest scan.
How Contextual compares
Against every graded Developer tools MCP server, from our own scans and uptime checks. Updated after each scan run.
- Safety score
- 83/100
- higher than 65% of 1,119 Developer tools servers
- Tools that change things
- 12%
- typical: 5%. Fewer write tools means less an agent can break
What its tools let an agent do: 22 read · 3 change
Public scan report
scanner v0.1.10 · 2026-10-15 · same rubric, same numbers if you re-run it
1 medium
- Code scan236 source files scanned20/25
- –Live reliabilityno gateway calls yet and no remote to proben/a
- –Tool poisoningtools not inspected (local package is not executed); not countedn/a
- Auth qualitylocal package, no credentials required12/15
- Maintenancelast push 9 days ago15/15
- Maintainer identityregistry namespace matches repository owner7/10
Findings (1)
- mediumsubprocess with shell=True
exec.shell-truex/contextual/mcp/tools/semantic.py: …r shell safety (passed as list arg, not shell=True) if target == "WORKING"…
Overall 83/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON
Other servers that do what Contextual does
RepowiseCodebase intelligence for AI coding agents — graph, git history, docs, decisions, code health.not reviewedEstablishedB- KindexPersistent knowledge graph and MCP server for AI workflows with git-tracked project context.not reviewedEstablishedA
- KindexPersistent knowledge graph and MCP server for AI workflows with git-tracked project context.not reviewedEstablishedB