Claude Code plugins
1 plugins from public Claude Code marketplaces. Each one bundles skills, slash commands, agents, hooks or MCP servers that install together.
› /plugin marketplace add aaddrick/contrarian
› /plugin install contrarian@contrarian
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@contrarian · aaddrick/contrarian
Steel-mans the proposal, audits its assumptions, runs a pre-mortem and inversion, and returns severity-rated findings with a failure scenario and a recommendation for each, plus a verdict. Ships as a skill, and as a subagent where the harness supports plugin agents.
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› /plugin install contrarian@contrarian