MCP Risk

Directory / server

ai.dynsoft/sac

This directory entry reports an automated security scan of ai.dynsoft/sac, scanned 2026-07-28. Trust grade B rates provenance, transport, known vulnerabilities and instruction integrity; capability risk is reported separately, not folded into the grade.

registry.modelcontextprotocol.io, scanned 2026-07-28, tool surface via package-source

B 84/100 permalink

Automated checks

StatusCheckPolicyResult
PASS Listed on the official MCP registry §1.1
Listed on registry.modelcontextprotocol.io as ai.dynsoft/sac. 1 finding
  • Registry entry: ai.dynsoft/sac ↗
PASS Source repository is public and maintained §1.2
Active repository with a license. 5 findings
  • Repository ↗
  • Last push: 5 days ago
  • Stars: 3
  • License: Apache-2.0
  • Security policy (SECURITY.md): absent
FAIL Published package is consistent and attested §1.3
Integrity concerns: package repository field does not match the claimed source repo; no PyPI trusted-publishing provenance. 5 findings
  • Package: sac-sdk@0.1.2 ↗
  • Ecosystem: PyPI
  • Age: 68 days
  • Repo field matches source repo: false
  • Trusted-publishing provenance: absent
PASS Tool surface is inspectable and proportionate §2.1–§2.4
Package source scanned. Capabilities detected: credential-access, network-egress, process-execution, filesystem. Reported as capability risk (§2.4); whether each is essential to the server's stated purpose is §2.3 and remains a manual judgement. 5 findings
  • credential-access (credential/env access): main.py
  • network-egress (outbound network calls): src/sac/_skills.py
  • process-execution (child process execution): src/sac/cli.py
  • filesystem (filesystem write/delete): src/sac/cli.py
  • Detected capabilities: credential-access, network-egress, process-execution, filesystem
INFO Transport & authentication §3

Local (stdio) server: runs with host-process privileges by design. Transport checks apply to remote servers; scrutiny shifts to §1/§2.
PASS No known vulnerabilities (OSV.dev) §4.1

No advisories on record for sac-sdk @0.1.2 (PyPI).
PASS Server-supplied instructions free of poisoning indicators §5.1–§5.4

No poisoning indicators found across 2 server-supplied text item(s).

Score history

DateGradeScore
2026-07-28B84/100
2026-07-27B84/100
2026-07-27B84/100
2026-07-27B84/100
2026-07-26B84/100
2026-07-26B84/100
2026-07-25F43/100
2026-07-25F43/100
2026-07-25F43/100
2026-07-25F43/100
2026-07-24B100/100
2026-07-24B100/100
2026-07-24B100/100
2026-07-13C67/100
What this grade covers
  • Provenance & supply-chain integrity (§1)
  • Tool surface & capability risk (§2)
  • Transport & authentication (§3)
  • Known CVEs via OSV.dev (§4)
  • Instruction/tool poisoning patterns (§5)

Limitations: pattern-based only (no semantic injection detection), static npm analysis (live server instructions not retrieved for package-only scans), single-server scope (no cross-server toxic flow analysis). See the full policy.

Methodology: MCP Server Security Policy. Unfamiliar term? See the glossary.