sidekick

v0.8.4

Sidekick — AI coding-agent delegation workflows for Codex. Kay and Codex are the supported sidekicks on Claude Code, Codex, and Cursor hosts. Codex consumes the canonical Sidekick skills directly.

CodexClaude Code2 Skills

By Ālo LabsLicense: MIT2 GitHub starsUpdated last month

Directory evidence

Runtimes: Codex and Claude Code
Parsed components: 2 skill or MCP entries
Source updated: Aug 7, 2026
Manifest status: Canonical path parsed

The directory validates manifest shape and source location. It does not execute the plugin or provide a security endorsement. Review the indexing methodology →

Install sidekick for Codex and Claude Code

Installs for the current user

codex plugin marketplace add IchenDEV/agent-plugin-mkt
codex plugin marketplace upgrade agent-plugin-marketplace
codex plugin add sidekick@agent-plugin-marketplace

Paste and run these commands in a terminal with Codex. They add and refresh the PluginsMP catalog, then install this plugin.

The installer fetches third-party code from the source repository shown on this page. This directory validates manifest structure and source location, but does not perform a security audit; review the manifest, components, and source before installing.

Get the source manually

$ git clone https://github.com/alo-exp/sidekick

Clone the source repository, then follow its setup instructions to add the plugin to a compatible client. The repository root is the plugin root.

Plugin files

sidekick/

├── .codex-plugin/plugin.json
├── .claude-plugin/plugin.json
├── skills/codex-stop/SKILL.md
└── skills/kay-stop/SKILL.md

Included Skills2

codex-stopskills/codex-stop/SKILL.md

Canonical Codex stop workflow. Use /sidekick:codex-stop to deactivate delegation and return to direct host behavior.

kay-stopskills/kay-stop/SKILL.md

Canonical Kay stop workflow. Use /sidekick:kay-stop to deactivate delegation and return to direct host behavior.

Plugin manifests2

.codex-plugin/plugin.json

{
  "name": "sidekick",
  "version": "0.8.4",
  "description": "Sidekick — AI coding-agent delegation workflows for Codex. Kay and Codex are the supported sidekicks on Claude Code, Codex, and Cursor hosts. Codex consumes the canonical Sidekick skills directly.",
  "author": {
    "name": "Ālo Labs",
    "url": "https://alolabs.dev"
  },
  "homepage": "https://github.com/alo-exp/sidekick",
  "repository": "https://github.com/alo-exp/sidekick",
  "license": "MIT",
  "keywords": [
    "sidekick",
    "claude-code",
    "codex",
    "kay",
    "terminal-agent",
    "coding-agent",
    "orchestration"
  ],
  "skills": "./skills/",
  "hooks": "./hooks/hooks.json",
  "interface": {
    "displayName": "Sidekick",
    "shortDescription": "AI coding-agent sidekick workflows for Codex",
    "longDescription": "Sidekick exposes the canonical Sidekick skill workflows directly in Codex while keeping the shared hook and runtime packaging in the plugin bundle.",
    "developerName": "Ālo Labs",
    "category": "Development",
    "capabilities": [
      "Interactive",
      "Read",
      "Write"
    ],
    "websiteURL": "https://github.com/alo-exp/sidekick",
    "defaultPrompt": [
      "Install Sidekick for Codex.",
      "Use Sidekick to coordinate implementation work.",
      "Review this repo with Sidekick."
    ],
    "brandColor": "#0F172A"
  },
  "_integrity": {
    "_note": "SHA-256 hashes of plugin files — update on each release. Verify source at https://github.com/alo-exp/sidekick. (SENTINEL FINDING-R8-4/R10-3)",
    "source": "https://github.com/alo-exp/sidekick",
    "install_sh_sha256": "8927b347ea18637d465190fb08934ec888a25c0792fa845deba81b03b543ee3a",
    "kay_delegate_skill_md_sha256": "7a5e072a5170a9e987a7f9d4d83d0c322a7b5f2fbfa33c328cf72b9de6a1d88b",
    "kay_stop_skill_md_sha256": "ccfcc5ade10f6899c685b99638dd3da4ec10f3b34a2e4013d3c3ffb39a3122ae",
    "codex_delegate_skill_md_sha256": "eb0b71ab0c2ca4a27cfe3d64320bdcd9fea49079d66dae740482f49b2895d5a3",
    "codex_delegate_md_sha256": "cbc234fdbd0f1802c4e82912ebdb1de55f9ae7a2797395a341e8dfece796bb52",
    "codex_stop_skill_md_sha256": "0683baceb8538ea8997bc6473684e8886fee9b3652381ca7d5898c4f76a8fe75",
    "claude_kay_delegate_skill_md_sha256": "b4409e8cc97898dee969fae67d96dce9b818dc98f6b57496a21eca0653c9c549",
    "claude_kay_stop_skill_md_sha256": "49495b8964a50b3d9bd59b272b336cb773f9c65d3efcd65413f00ce1a9b14732",
    "claude_codex_delegate_skill_md_sha256": "83bed39c36a88737f551f07537c9e25c20471bf7aa5a22a963755a3dbe5a173a",
    "claude_codex_delegate_md_sha256": "264047ec5c7432f5a1ea27610db76a4ba45ecdf45ed730cf72dba1686294b5e8",
    "claude_codex_stop_skill_md_sha256": "8a3d68408c1cac555757f1461b152edddf80d27d43e7415dc594f7b0abf89359",
    "codex_kay_delegate_skill_md_sha256": "0b1aec50951da34037a637b31a93263bf688b7b639ad4fc8d090e574f49d3d8b",
    "codex_kay_stop_skill_md_sha256": "02a24069760a56a9db96a9d28bae35d1bb2ee49e81321d22058006b1730bbec5",
    "codex_codex_delegate_skill_md_sha256": "774287da6db9393dcb0cc08b90622d1b4d664606855845e14900ddecf3bf2074",
    "codex_codex_delegate_md_sha256": "264047ec5c7432f5a1ea27610db76a4ba45ecdf45ed730cf72dba1686294b5e8",
    "codex_codex_stop_skill_md_sha256": "209ab36c18c1e3dc4304683a113afab04619fa595bc710739974065cc6dca68e",
    "cursor_kay_delegate_skill_md_sha256": "c2c3e75a2514f8d787435cb52db182d74f4416e26d62ad82a240ae0cba927342",
    "cursor_kay_stop_skill_md_sha256": "f4a533b9236b5131068d058fc94c8f1d7ae4959ea2aa6b4de73364720b54ad23",
    "cursor_codex_delegate_skill_md_sha256": "7781eb0c0492859ce573543c93e82000a5c16efebda200e0e277fc1c768f8304",
    "cursor_codex_stop_skill_md_sha256": "527c4c85954b3e9621910faffdc9fd94540e281bf957a5064efa4676f495033a",
    "render_agent_bundle_sha256": "eb8200dd1a01154aa259d51f53f75333f1b3163a60a90a0ed7a861fa0b27a1f1",
    "sync_host_surfaces_sha256": "1db87781c806134cb896d28bb0da73634c4ef2c6bb071551bda5c5ba723183e6",
    "hooks_json_sha256": "c0d23f2a49e00563aa9b249ade5a46c869150e1eecce00da614bb0f233f3f025",
    "cursor_hooks_json_sha256": "f217ee870e8fb69633db0de751a9a5722cff7fa3643c75adecc6dd4279092870",
    "cursor_session_bootstrap_sha256": "df427990759b3bdf94fa8efbc584c06a47be7d2c75408cd8cbd263c0bdaf805e",
    "sidekick_hook_io_sha256": "c1562c625035a64c342fffcc29c5e3ab0eb79871754cea6eb8ae4cd1da6b7896",
    "codex_delegation_enforcer_sha256": "fb7cf37883becd41553a2c68720b920c08b05b375fdc0ca192aac65d3011b212",
    "codex_progress_surface_sha256": "378e4542d885f3c2082d6861edd41933a382432aef11342419586927f7b57a7b",
    "enforcer_utils_sha256": "8f58aa9e166726682dbea119f179af1acb062563a44cc87b51218dd4fc379ad9",
    "sidekick_registry_lib_sha256": "d4a9b57e6cbdb9707b0feaa20b185157a66e4edf9cec026679ad704c4ef8f0e4",
    "safe_runner_sha256": "79c735063b9a83b139d052a4ab5b3039aded0b133b678c5b12595d53aedd7110",
    "sidekick_registry_sha256": "a0798d4356be99c072a6359ecff5caffb00f6660bc1df7b71924e76d3f1d5fc6",
    "legacy_hooks_scrub_sha256": "2b0d7237d50a35e8f670bcbb2a33584a3bb589fa72aa6ab74bce36f12feb316a",
    "output_style_kay_sha256": "83744fa58536c2b012bfa0efeb050cc13f141ffe72ea331cb911eac4d6de72d4",
    "output_style_codex_sha256": "c88b9ac68514e1e8a8cdd3e08c3f2f34d261b0e6082b942686b015a862b49284",
    "codex_installer_sha256": "a2b6cba30bb41eec0d920f051796fad5841de6612e0be34eefeeab64efd94555"
  }
}

.claude-plugin/plugin.json

{
  "name": "sidekick",
  "version": "0.8.4",
  "description": "Sidekick — AI coding-agent delegation workflows for Claude Code, Codex, and Cursor. Kay and Codex are the supported sidekicks: Kay installs through Sidekick, while Codex delegates to the local OpenAI Codex CLI. The Claude-facing workflow bodies are generated from skills into agents/claude.",
  "author": {
    "name": "Ālo Labs",
    "url": "https://alolabs.dev"
  },
  "homepage": "https://github.com/alo-exp/sidekick",
  "repository": "https://github.com/alo-exp/sidekick",
  "license": "MIT",
  "keywords": [
    "sidekick",
    "claude-code",
    "codex",
    "kay",
    "terminal-agent",
    "coding-agent",
    "orchestration"
  ],
  "skills": "./agents/claude/",
  "outputStyles": "./output-styles/",
  "hooks": "./hooks/hooks.json",
  "_integrity": {
    "_note": "SHA-256 hashes of plugin files — update on each release. Verify source at https://github.com/alo-exp/sidekick. (SENTINEL FINDING-R8-4/R10-3)",
    "claude_codex_delegate_md_sha256": "264047ec5c7432f5a1ea27610db76a4ba45ecdf45ed730cf72dba1686294b5e8",
    "claude_codex_delegate_skill_md_sha256": "ad172f51a299de06d491ccbf92d50566b83f940b1162f68793151ed952132fdf",
    "claude_codex_stop_skill_md_sha256": "a1dcb49797909dceb85be60b33c6ee6a935372290561099d1acc0dc13c7928b3",
    "claude_kay_delegate_skill_md_sha256": "4e0373195476b6b042c49869bc42d6e2eef01e29139605804daae5a1664abe64",
    "claude_kay_stop_skill_md_sha256": "d67aa206bad8311def4d5e8f5316a300819270bde8ca51cf89a5084097ab99d9",
    "codex_codex_delegate_md_sha256": "264047ec5c7432f5a1ea27610db76a4ba45ecdf45ed730cf72dba1686294b5e8",
    "codex_codex_delegate_skill_md_sha256": "b454360aaa49c6501a701c218ef1098068917a0f999e23e8bfb26290e8ac45b0",
    "codex_codex_stop_skill_md_sha256": "f3aa12bfd8b8d4752131626c6cc6f4ac95f52981acbea7776602937d097dd5ee",
    "codex_delegate_md_sha256": "cbc234fdbd0f1802c4e82912ebdb1de55f9ae7a2797395a341e8dfece796bb52",
    "codex_delegate_skill_md_sha256": "01d6ab827c0ff87381ff7da787a524fc108867d4da80522133818fab6e6e559c",
    "codex_delegation_enforcer_sha256": "fb7cf37883becd41553a2c68720b920c08b05b375fdc0ca192aac65d3011b212",
    "codex_installer_sha256": "a2b6cba30bb41eec0d920f051796fad5841de6612e0be34eefeeab64efd94555",
    "codex_kay_delegate_skill_md_sha256": "46c3c602de45c3dfaf278fe151fc4deca05f4d7a49781bc43c97ef2a280baf7e",
    "codex_kay_stop_skill_md_sha256": "dee6c3e88cd3b5ee7e691e7041b0949a76422570916e4e4ede8d3ab81f85147c",
    "codex_progress_surface_sha256": "ba3b08d20df65985011434d93c37c528f553b6c13fbc0172482536815511d21b",
    "codex_stop_skill_md_sha256": "c24530d41cdc18802bf889bbf877814f6cb1c406946e3315cb04da4883001cc1",
    "enforcer_utils_sha256": "d43c1c777ac2f42e010733ebd33e5c69b32f47a937bfae018b77f4b37d4f025c",
    "hooks_json_sha256": "c0d23f2a49e00563aa9b249ade5a46c869150e1eecce00da614bb0f233f3f025",
    "install_sh_sha256": "80d26273249e5425da442bf4b958fd2be5b4966388d0a96b0c0d7e265f406c1d",
    "kay_delegate_skill_md_sha256": "b042f1d8e995442c4fc42fc992c52be7ef5ce1fd30b2f1a19e11b0bfc81744b1",
    "kay_stop_skill_md_sha256": "92f81925ac6c41de637d2f091530f1b154d322a1167741b3bf90fcaa0d1aab7f",
    "legacy_hooks_scrub_sha256": "2b0d7237d50a35e8f670bcbb2a33584a3bb589fa72aa6ab74bce36f12feb316a",
    "output_style_codex_sha256": "c88b9ac68514e1e8a8cdd3e08c3f2f34d261b0e6082b942686b015a862b49284",
    "output_style_kay_sha256": "83744fa58536c2b012bfa0efeb050cc13f141ffe72ea331cb911eac4d6de72d4",
    "render_agent_bundle_sha256": "eb8200dd1a01154aa259d51f53f75333f1b3163a60a90a0ed7a861fa0b27a1f1",
    "safe_runner_sha256": "79c735063b9a83b139d052a4ab5b3039aded0b133b678c5b12595d53aedd7110",
    "sidekick_registry_lib_sha256": "d4a9b57e6cbdb9707b0feaa20b185157a66e4edf9cec026679ad704c4ef8f0e4",
    "sidekick_registry_sha256": "a0798d4356be99c072a6359ecff5caffb00f6660bc1df7b71924e76d3f1d5fc6",
    "source": "https://github.com/alo-exp/sidekick",
    "sync_host_surfaces_sha256": "1db87781c806134cb896d28bb0da73634c4ef2c6bb071551bda5c5ba723183e6",
    "cursor_kay_delegate_skill_md_sha256": "ed46af7b826a4f2ebca8b7c2b4da5faccf0bc6fc812dae74f116a677c291b75c",
    "cursor_kay_stop_skill_md_sha256": "88899c130a7792f6559477fc9c33eb6ccb0b685d1a052c934ed3f2627dfe8c88",
    "cursor_codex_delegate_skill_md_sha256": "b9b29a6bfeec39c04f0ad817e2bf659943557852529643275e1ad0f5beb89d3e",
    "cursor_codex_stop_skill_md_sha256": "34acb14fc290eef6e5d1366f8dedce674d71f7cfb14fb0f368660af1f20abe1a",
    "cursor_hooks_json_sha256": "26a61bcefd2269506e0928cf187652485d53fd38d7fdb995b9a09165b2ded598",
    "cursor_session_bootstrap_sha256": "df427990759b3bdf94fa8efbc584c06a47be7d2c75408cd8cbd263c0bdaf805e",
    "sidekick_hook_io_sha256": "31d8dff3e44d7e847f7fc1f18299a50ab4e914deab9287af36f3150ebb1d1979"
  }
}

For maintainers

If you maintain this plugin, link to this source-backed listing from your README so users can review its manifest and indexed components.

[sidekick on Agent Plugins Marketplace](https://pluginsmp.com/plugins/sidekick)