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cyberplace

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>

15 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-agent-harness

A toolkit for working with AI agent harnesses: detect which one is running, query its managed-policy locations, plugin storage, enabled plugins, and skill naming, and resolve layered reference documents.

agent-harnessclaude-codecursorcodexcopilot-cli

cyber-agentkit

An agent-harness-agnostic toolkit: detect the running harness, check plugin dependencies, resolve layered reference documents, and lease git worktrees.

agent-harnessclaude-codecursorcodexcopilot-cli

cyber-asana

Asana CLI and MCP server for AI agents.

asanamcpcliproductivity

cyber-mux

Cross-multiplexer pane control: open, send, read, focus, and close panes over tmux, herdr, wezterm, and more.

tmuxherdrmultiplexerterminalpaneagent

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.

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

research-workbench

Durable research workflows and community post authoring for AI coding agents.

researchskills

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