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Marketplace

Search the cyberplace marketplace — every plugin published in .claude-plugin/marketplace.json, across harnesses (Claude Code, Cursor, Codex). Crews are marked with a crew badge; browse just the crews in the Tavern.

Install any plugin from the CLI:

Terminal window
npx cyberplace@$(npm view cyberplace version) find <query>

12 plugins

aced

Agent Config Evaluation System. Evaluate, test, and improve agent configurations: skills, AGENTS.md sections, subagent definitions, and commands.

evalagent-config

buddy-agent-harness

Initialize standards-based agent configuration across coding-agent harnesses.

agentskillsharnessclaude-codecodex

buddy-changesets

Changesets skills for AI agents — set up releases and write changeset files.

changesetsreleaseversioning

buddy-codecov

Codecov coverage comparison skill for AI coding agents.

codecovcoveragetesting

cyber-asana

Asana CLI and MCP server for AI agents.

asanamcpcliproductivity

cyberfleet

crew

Fleet persona layer for the cyberfleet CLI. Pod (ship's bridge) and Operator (command center) gateway skills — harness-agnostic, MCP-free.

fleetpersonacrew

cyberlegion

Agent session spawning, messaging, and dispatch — the Legion and its Legate.

cyberspace

Research and design toolkit for building universal AI coding agent plugins that work across Claude Code, Cursor, Codex, and GitHub Copilot CLI.

quill

Documentation SDD plugin. Verifies guides, tutorials, articles, and reference docs against specs — existence, required headings, completeness, and reader-path continuity.

docssdd

repobuddy

Repository management skills for AI coding agents — issues, dependency PRs, GitHub Pages, repo setup, npm trusted publishing, and harness permission audits.

repositorygithubautomationcli

sdd

Spec-Driven Development. Scaffold, validate, and maintain behavioral specs (spec.md + .feature files) for software features.

spec-drivenworkflow

universal-plugin

Universal AI agent plugin build tool.

agent-pluginclaude-codecursorcodexcopilot-cli