Agent capability

doublecheck

Three-layer verification pipeline for AI output. Extracts verifiable claims, finds supporting or contradicting sources via web search, runs adversarial review for hallucination patterns, and produces a structured verification report with source links for human review.

Compatible agent runtimes 4 files 20,240 bytes

Runtime provisioning

Provision this capability

The provisioning flow resolves the versioned manifest, verifies every SHA-256 digest, and applies the package atomically.

Shared Agent Skills

User scope: ~/.agents/skills/doublecheck

curl -fsSLo /tmp/mm-skills-install.sh __MM_RUNTIME_ORIGIN__/install.sh && bash /tmp/mm-skills-install.sh doublecheck --client agents --scope user --registry __MM_RUNTIME_ORIGIN__

Codex

User scope: ~/.agents/skills/doublecheck

curl -fsSLo /tmp/mm-skills-install.sh __MM_RUNTIME_ORIGIN__/install.sh && bash /tmp/mm-skills-install.sh doublecheck --client codex --scope user --registry __MM_RUNTIME_ORIGIN__

OpenCode

User scope: ~/.config/opencode/skills/doublecheck

curl -fsSLo /tmp/mm-skills-install.sh __MM_RUNTIME_ORIGIN__/install.sh && bash /tmp/mm-skills-install.sh doublecheck --client opencode --scope user --registry __MM_RUNTIME_ORIGIN__

Antigravity

User scope: ~/.gemini/config/skills/doublecheck

curl -fsSLo /tmp/mm-skills-install.sh __MM_RUNTIME_ORIGIN__/install.sh && bash /tmp/mm-skills-install.sh doublecheck --client antigravity --scope user --registry __MM_RUNTIME_ORIGIN__
Windows PowerShell
$installer = Join-Path $env:TEMP 'mm-skills-install.ps1'; Invoke-WebRequest '__MM_RUNTIME_ORIGIN__/install.ps1' -OutFile $installer; & $installer -Skill 'doublecheck' -Client 'agents' -Scope 'user' -Registry '__MM_RUNTIME_ORIGIN__'

Artifact integrity

Versioned package contents

Inspect manifest
PathBytesSHA-256
assets/verification-report-template.md 2,726 f45a72b7ab0f914b…
LICENSE.txt 1,059 e32449d23085399a…
SKILL.md 15,891 ea16d7eb9d144a1f…
SOURCE.md 564 6eb7b3125f56f667…