Is Arcaeon MCP server safe?
Probably. Read the findings first.
Use with care. Some checks failed or could not be verified.
How Arcaeon compares
Against every graded AI and agents MCP server, from our own scans and uptime checks. Updated after each scan run.
- Safety score
- 65/100
- higher than 25% of 4,460 AI and agents servers
- Tools that change things
- 6%
- typical: 0%. Fewer write tools means less an agent can break
What its tools let an agent do: 15 read · 1 create · 1 change
Public scan report
scanner v0.1.9 · 2026-09-25 · same rubric, same numbers if you re-run it
2 medium
- Code scan105 source files scanned15/25
- –Live reliabilityno gateway calls yet and no remote to proben/a
- –Tool poisoningtools not inspected (local package is not executed); not countedn/a
- Auth qualitystatic API keys via environment variables6/15
- Maintenancelast push 0 days ago15/15
- Maintainer identitynamespace and repository owner differ; website matches verified namespace6/10
Findings (2)
- mediumsubprocess with shell=True
exec.shell-truearcaeon-0.9.0/src/arcaeon/prove/baseline/runner.py: …bprocess.run( self.cmd, shell=True, input=prompt, capture_output=True, …
- mediumeval / new Function used
exec.evalarcaeon-0.9.0/src/arcaeon/prove/vet/checks.py: …loads(arg) is as dangerous as one doing eval(arg). Resolved through the # same import…
Overall 65/100. 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 Arcaeon does
- three.ws ProvenanceAppend-only, signed, on-chain-verifiable agent action log — record and audit what agents did.not reviewedEstablishedB
- MockserverMock, record/replay, verify and chaos-test any HTTP, REST, gRPC or LLM dependency over MCP.not reviewedEstablishedA
- CHAP CoordinatorAuditable records of human decisions over AI agent work. Approvals, edits, overrides, escalations.not reviewedEstablishedA