Sigil

AI agent supply chain security scanner. Quarantines and scans repos, packages, and MCP servers before they run. Eight-phase static analysis with quarantine-first workflow. Runs as a CLI, MCP server with 12 tools, Claude Code plugin, or CI/CD step.

Reachable
Yes
Signed
No
Conformance grade
fail
Protocol versions
Unavailable
Skills
Scan File or Directory, Scan Package from Registry, Clone and Scan Repository, List Quarantined Items, Approve Quarantined Item, Reject Quarantined Item, Grade Path, Scan Host for Agent-Tooling Residue, Plan Residue Cleanup, Check Package in Scan Database, Search Scan Database, Report Threat
First seen
Sep 28, 2026
Last seen
Sep 28, 2026
Readings
1
Answered
1

Observed findings

  • Code: missing-field · Field: version · detail: · severity: error
  • Code: missing-field · Field: defaultInputModes · detail: · severity: error
  • Code: missing-field · Field: defaultOutputModes · detail: · severity: error
  • Code: unsigned · Field: signatures · detail: · severity: info
  • Code: legacy-shape · detail: · severity: warning
  • Code: moved-field · Field: url · detail: supportedInterfaces[0].url · severity: info
  • Code: missing-field · Field: protocolVersion · detail: · severity: error
  • Code: missing-field · Field: provider.organization · detail: · severity: error
  • Code: missing-field · Field: skills[0].tags · detail: · severity: error
  • Code: missing-field · Field: skills[1].tags · detail: · severity: error
  • Code: missing-field · Field: skills[2].tags · detail: · severity: error
  • Code: missing-field · Field: skills[3].tags · detail: · severity: error
  • Code: missing-field · Field: skills[4].tags · detail: · severity: error
  • Code: missing-field · Field: skills[5].tags · detail: · severity: error
  • Code: missing-field · Field: skills[6].tags · detail: · severity: error
  • Code: missing-field · Field: skills[7].tags · detail: · severity: error
  • Code: missing-field · Field: skills[8].tags · detail: · severity: error
  • Code: missing-field · Field: skills[9].tags · detail: · severity: error
  • Code: missing-field · Field: skills[10].tags · detail: · severity: error
  • Code: missing-field · Field: skills[11].tags · detail: · severity: error