[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"skill-callstack-cordierite":3,"mdc-7mwua8-key":41,"related-org-callstack-cordierite":1415,"related-repo-callstack-cordierite":1596},{"slug":4,"name":4,"fn":5,"description":6,"org":7,"tags":12,"stars":29,"repoUrl":30,"updatedAt":31,"license":32,"forks":33,"topics":34,"repo":36,"sourceUrl":39,"mdContent":40},"cordierite","drive Cordierite-enabled React Native apps","Connect a Cordierite-enabled React Native app to your machine and drive it from the terminal (or MCP) using tools the app registers — useful for agents, scripts, and dev automation. 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Reach for this when the user mentions Cordierite, bootstrapping\u002Fpairing with the app, or invoking app-defined capabilities from the CLI or MCP.\n---\n\n# Cordierite\n\nCordierite is a CLI\u002Fdaemon\u002FMCP workflow for connecting to a Cordierite-enabled React\nNative app, discovering its registered tools, invoking those tools, and ending the\nsession cleanly after use. A single `cordierite` daemon on this machine owns the\n`wss:\u002F\u002F` listener and every device session; the CLI (and `cordierite mcp`, if this\nagent is invoked as an MCP client instead of a shell) are both thin RPC clients of it and\nauto-spawn it on first use — there is no separate \"start the host\" step to manage.\n\n## Agent workflow (CLI)\n\n1. Run **`cordierite ls --json`**. `data` is a list of sessions, each with `sessionId`,\n   `alias`, `state`, `device`, `toolCount`. An empty list means no device has claimed a\n   session yet — go to **Establish a session** below.\n2. Every session-targeting command takes an optional **selector** (a session id or\n   `alias` from step 1) as its first positional argument. **Omit it** when exactly one\n   session is active — the CLI picks it automatically; pass it explicitly when several\n   sessions exist (the CLI errors with `ambiguous_session` and lists the aliases if you\n   don't).\n3. **`cordierite tools [selector] --json`** — list tools registered in the app.\n4. **`cordierite tools [selector] \u003Ctool-name> --full --json`** — inspect one tool's\n   input\u002Foutput schema before calling it.\n5. **`cordierite invoke [selector] \u003Ctool-name> --input '{\"key\":\"value\"}' --json`** —\n   invoke the tool with JSON args.\n6. **`cordierite events [selector] --json`** — stream session\u002Ftool events (NDJSON) if you\n   need to watch for `session_claimed`, `tools_changed`, or `app_event` without polling.\n\nThere is no `--session-id` flag in v2 — use the positional selector instead.\n\n## Establish a session\n\nIf no session is active yet, mint a bootstrap link. Requires a deep-link scheme; pass\n`--scheme` or make sure `~\u002F.cordierite\u002Fconfig.json` already has one set:\n\n```bash\ncordierite link --scheme myapp --json\n```\n\nIf the project has no daemon key yet, generate one first — this is non-interactive and\nsafe to run from an agent or script:\n\n```bash\ncordierite keygen --out ~\u002F.cordierite\u002Fkey.pem\n```\n\nAdd the printed `sha256\u002F...` fingerprint to the app's `cliPins` (see **Setup** below if\nyou are wiring Cordierite into an app for the first time — that step needs a native\nrebuild, so it isn't a fast in-session action).\n\nFrom `link`'s JSON output, use:\n\n- **`data.deepLinkPayload`** to compose the full URL yourself, or just print\u002Frelay\n  **`data`**'s rendered deep link (`\u003Cscheme>:\u002F\u002F\u002F?cordierite=\u003CdeepLinkPayload>`) for a\n  human to open, or scan the QR from `cordierite link --scheme myapp --qr` on a TTY.\n- **`data.sessionId`** — the selector to poll with in the next step.\n\nFor a simulator\u002Femulator you control directly, skip the deep link entirely:\n\n```bash\ncordierite link --scheme myapp --open ios-sim     # or: --open android\n```\n\nThen poll (or use `cordierite events \u003CsessionId> --json` to avoid polling) until the\nsession shows `state: \"active\"` in `cordierite ls --json` or\n`cordierite tools \u003CsessionId>` stops erroring.\n\n## Establish a session (MCP)\n\nIf this agent is talking to Cordierite over MCP instead of a shell, use the built-in\nmanagement tools instead of the CLI commands above: `cordierite_connect` (optionally with\n`target: \"android\"` or `\"ios-sim\"`) mints and, for a target, delivers the link without any\nshell access; `cordierite_wait_for_session({ sessionId })` blocks until that session is\nclaimed (or returns immediately if it already was). After that, the app's own tools\nappear directly in `tools\u002Flist` — call them with `tools\u002Fcall` like any other MCP tool.\n\n## Terminate the connection\n\n**`cordierite revoke [selector]`** ends one session (closes its socket, frees its\nalias) without touching the daemon or any other session. There is normally no reason to\nstop the daemon itself — `cordierite daemon stop` only if you specifically need to free\nthe `wss:\u002F\u002F` port or the daemon's key is being rotated.\n\n## Declaring tools\n\nThe app must register tools before `cordierite tools` \u002F `cordierite invoke` (or MCP\n`tools\u002Fcall`) can do anything useful. Define schemas with **Zod v4** (its built-in JSON\nSchema exporter means agents see a real tool shape) and register with `registerTool` or\n`useCordieriteTool`:\n\n```ts\nimport { registerTool } from \"@cordierite\u002Freact-native\";\nimport { z } from \"zod\";\n\nconst echoInput = z.object({ value: z.unknown() });\nconst echoOutput = z.object({ echoed: z.unknown() });\n\nregisterTool({\n  name: \"echo\",\n  description: \"Return the input unchanged\",\n  inputSchema: echoInput,\n  outputSchema: echoOutput,\n  handler: async (args) => ({ echoed: args.value }),\n});\n```\n\n## Notes\n\n- Use **`--json`** for structured CLI output in agent flows; runtime failures in\n  `--json` mode are JSON on stderr, not bare text.\n- `cordierite keygen` is non-interactive when given `--out`; safe to run unattended.\n- Selectors (session id or alias), not `--session-id`, target a specific session; omit\n  the selector when only one session is live.\n- If `cordierite ls` is empty or `tools`\u002F`invoke` fail with `no_session` or\n  `unknown_session`, establish a session first (see above).\n- If the app registers no tools, `cordierite tools` returns an empty list — that's not an\n  error.\n- The daemon serves **every** connected device on one process; there's no need to run\n  more than one `cordierite` daemon, and no `--port` flag to juggle between devices —\n  use the selector instead.\n- A denied call (production policy set to `\"deny\"` for that tool\u002Fclass) surfaces as\n  `policy_denied`, not a generic failure — if you see that error type, the fix is a\n  policy\u002Fconfig change, not a retry.\n\n## Setup\n\nFor project integration guidance, see [setup.md](.\u002Freferences\u002Fsetup.md).\n",{"data":42,"body":43},{"name":4,"description":6},{"type":44,"children":45},"root",[46,54,84,91,279,292,297,318,361,366,395,423,436,494,499,541,577,583,636,642,671,677,727,1224,1230,1391,1396,1409],{"type":47,"tag":48,"props":49,"children":50},"element","h1",{"id":4},[51],{"type":52,"value":53},"text","Cordierite",{"type":47,"tag":55,"props":56,"children":57},"p",{},[58,60,66,68,74,76,82],{"type":52,"value":59},"Cordierite is a CLI\u002Fdaemon\u002FMCP workflow for connecting to a Cordierite-enabled React\nNative app, discovering its registered tools, invoking those tools, and ending the\nsession cleanly after use. 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var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html.dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}",{"items":1416,"total":1595},[1417,1437,1449,1463,1475,1490,1509,1524,1536,1553,1567,1581],{"slug":1418,"name":1418,"fn":1419,"description":1420,"org":1421,"tags":1422,"stars":1434,"repoUrl":1435,"updatedAt":1436},"assess-react-native-migration","assess mobile product React Native migration","Assesses whether and how an existing mobile product should migrate to React Native. Use when auditing one or more product repositories for migration readiness, including products whose iOS, Android, and other clients live in separate directories or repositories; choosing brownfield, greenfield, or a checkpoint-based path; defining a representative trial; or preparing a baseline and ROI decision before implementation. When product scope or material evidence is unavailable, grills the stakeholder with exactly one question per turn instead of sending a questionnaire.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[1423,1426,1429,1432,1433],{"name":1424,"slug":1425,"type":16},"Android","android",{"name":1427,"slug":1428,"type":16},"iOS","ios",{"name":1430,"slug":1431,"type":16},"Migration","migration",{"name":21,"slug":22,"type":16},{"name":14,"slug":15,"type":16},1527,"https:\u002F\u002Fgithub.com\u002Fcallstackincubator\u002Fagent-skills","2026-08-09T04:07:43.546427",{"slug":1438,"name":1438,"fn":1439,"description":1440,"org":1441,"tags":1442,"stars":1434,"repoUrl":1435,"updatedAt":1448},"create-react-native-library","scaffold React Native libraries","Scaffolds React Native libraries with create-react-native-library for standalone libraries or local native modules and views. Use when creating or working on React Native libraries or adding native functionality in an existing app.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[1443,1446,1447],{"name":1444,"slug":1445,"type":16},"Engineering","engineering",{"name":21,"slug":22,"type":16},{"name":14,"slug":15,"type":16},"2026-08-09T04:07:37.540117",{"slug":1450,"name":1450,"fn":1451,"description":1452,"org":1453,"tags":1454,"stars":1434,"repoUrl":1435,"updatedAt":1462},"github-actions","build React Native apps in GitHub Actions","GitHub Actions workflow patterns for React Native iOS simulator and Android emulator cloud builds with downloadable artifacts. Use when setting up CI build pipelines or downloading GitHub Actions artifacts via gh CLI and GitHub API.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[1455,1458,1460,1461],{"name":1456,"slug":1457,"type":16},"CI\u002FCD","cicd",{"name":1459,"slug":1450,"type":16},"GitHub Actions",{"name":21,"slug":22,"type":16},{"name":14,"slug":15,"type":16},"2026-08-09T04:07:40.549347",{"slug":1464,"name":1464,"fn":1465,"description":1466,"org":1467,"tags":1468,"stars":1434,"repoUrl":1435,"updatedAt":1474},"react-native-best-practices","optimize React Native app performance","Provides React Native performance optimization guidelines for FPS, TTI, bundle size, memory leaks, re-renders, and animations. Applies to tasks involving Hermes optimization, JS thread blocking, bridge overhead, FlashList, native modules, or debugging jank and frame drops.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[1469,1470,1473],{"name":21,"slug":22,"type":16},{"name":1471,"slug":1472,"type":16},"Performance","performance",{"name":14,"slug":15,"type":16},"2026-08-09T04:07:41.557463",{"slug":1476,"name":1476,"fn":1477,"description":1478,"org":1479,"tags":1480,"stars":1434,"repoUrl":1435,"updatedAt":1489},"react-native-brownfield-migration","migrate native apps to React Native","Implements an accepted incremental brownfield migration from native iOS or Android to React Native or Expo using @callstack\u002Freact-native-brownfield. Use after the brownfield path has been selected, when setting up the integration, packaging XCFramework or AAR artifacts, or adding React Native surfaces to native hosts.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[1481,1482,1485,1486,1487,1488],{"name":1424,"slug":1425,"type":16},{"name":1483,"slug":1484,"type":16},"Expo","expo",{"name":1427,"slug":1428,"type":16},{"name":1430,"slug":1431,"type":16},{"name":21,"slug":22,"type":16},{"name":14,"slug":15,"type":16},"2026-08-09T04:07:39.569955",{"slug":1491,"name":1491,"fn":1492,"description":1493,"org":1494,"tags":1495,"stars":1434,"repoUrl":1435,"updatedAt":1508},"react-native-tv-best-practices","review React Native TV application quality","Reviews React Native TV apps for focus\u002FD-pad navigation, 10-foot UI layout, TV playback\u002FDRM integration, low-memory TV performance, and TV accessibility. Use when building, debugging, or reviewing react-native-tvos, Expo TV, Amazon Vega\u002FKepler, or React Native web TV targets where the issue depends on remote input, TV focus, TV packaging, TV hardware, or TV playback constraints.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[1496,1499,1502,1503,1504,1505],{"name":1497,"slug":1498,"type":16},"Accessibility","accessibility",{"name":1500,"slug":1501,"type":16},"Frontend","frontend",{"name":21,"slug":22,"type":16},{"name":1471,"slug":1472,"type":16},{"name":14,"slug":15,"type":16},{"name":1506,"slug":1507,"type":16},"UI Components","ui-components","2026-08-09T04:07:36.546717",{"slug":1510,"name":1510,"fn":1511,"description":1512,"org":1513,"tags":1514,"stars":1434,"repoUrl":1435,"updatedAt":1523},"react-navigation","configure React Navigation UI patterns","Provides React Navigation UI patterns for stacks, tabs, drawers etc. Use when building navigation UIs with React Navigation, configuring headers, bottom sheets or handling safe areas and insets.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[1515,1516,1517,1520],{"name":1500,"slug":1501,"type":16},{"name":21,"slug":22,"type":16},{"name":1518,"slug":1519,"type":16},"Navigation","navigation",{"name":1521,"slug":1522,"type":16},"React","react","2026-08-09T04:07:42.552703",{"slug":1525,"name":1525,"fn":1526,"description":1527,"org":1528,"tags":1529,"stars":1434,"repoUrl":1435,"updatedAt":1535},"upgrading-react-native","upgrade React Native apps","Upgrades React Native apps to newer versions by applying rn-diff-purge template diffs, updating package.json dependencies, migrating native iOS and Android configuration, resolving CocoaPods and Gradle changes, and handling breaking API updates. Use when upgrading React Native, bumping RN version, updating from RN 0.x to 0.y, or migrating Expo SDK alongside a React Native upgrade.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[1530,1531,1532,1533,1534],{"name":1424,"slug":1425,"type":16},{"name":1427,"slug":1428,"type":16},{"name":1430,"slug":1431,"type":16},{"name":21,"slug":22,"type":16},{"name":14,"slug":15,"type":16},"2026-08-09T04:07:38.540549",{"slug":1537,"name":1537,"fn":1538,"description":1539,"org":1540,"tags":1541,"stars":1550,"repoUrl":1551,"updatedAt":1552},"react-native-ai-skills","integrate on-device AI in React Native","Provides integration recipes for the React Native AI @react-native-ai packages that wrap the Llama.rn (Llama.cpp), MLC-LLM, Apple Foundation backends. Use when integrating local on-device AI in React Native, setting up providers, model management.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[1542,1545,1548,1549],{"name":1543,"slug":1544,"type":16},"AI Infrastructure","ai-infrastructure",{"name":1546,"slug":1547,"type":16},"LLM","llm",{"name":21,"slug":22,"type":16},{"name":14,"slug":15,"type":16},1371,"https:\u002F\u002Fgithub.com\u002Fcallstackincubator\u002Fai","2026-04-06T18:06:48.66379",{"slug":1554,"name":1554,"fn":1555,"description":1556,"org":1557,"tags":1558,"stars":1564,"repoUrl":1565,"updatedAt":1566},"voltra","build Voltra iOS widgets and charts","Build, review, refactor, configure, or debug Voltra code using Voltra JSX, Voltra JS APIs, the Expo config plugin, and the Voltra CLI. Use when the user asks about charts, Live Activities, Dynamic Island UI, iOS widgets, scheduled widgets, Android widgets, ongoing notifications, image handling, app.json plugin config, React Native CLI setup, or Voltra push update flows.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[1559,1560,1561,1562],{"name":1483,"slug":1484,"type":16},{"name":1427,"slug":1428,"type":16},{"name":21,"slug":22,"type":16},{"name":1563,"slug":1554,"type":16},"Voltra",787,"https:\u002F\u002Fgithub.com\u002Fcallstackincubator\u002Fvoltra","2026-04-06T18:06:47.399012",{"slug":1568,"name":1568,"fn":1569,"description":1570,"org":1571,"tags":1572,"stars":1578,"repoUrl":1579,"updatedAt":1580},"rozenite","inspect React Native apps with Rozenite","Use Rozenite for Agents to inspect React Native DevTools data and Rozenite plugins on a live app target, either through shell-driven `rozenite agent` commands or programmatic `@rozenite\u002Fagent-sdk` usage. Trigger this skill for any task that needs live app inspection, debugging, or plugin interaction through Rozenite.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[1573,1576,1577],{"name":1574,"slug":1575,"type":16},"Debugging","debugging",{"name":21,"slug":22,"type":16},{"name":14,"slug":15,"type":16},633,"https:\u002F\u002Fgithub.com\u002Fcallstackincubator\u002Frozenite","2026-08-16T04:01:07.485438",{"slug":1582,"name":1582,"fn":1583,"description":1584,"org":1585,"tags":1586,"stars":1592,"repoUrl":1593,"updatedAt":1594},"react-native-harness","write React Native Harness tests","Write and debug React Native Harness tests for app code. Use when the user asks to create or fix tests that import from react-native-harness, mock modules, spy on functions, render React Native components on-device, use setupFiles or setupFilesAfterEnv, or add optional UI tests with @react-native-harness\u002Fui.",{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[1587,1588,1589],{"name":21,"slug":22,"type":16},{"name":14,"slug":15,"type":16},{"name":1590,"slug":1591,"type":16},"Testing","testing",321,"https:\u002F\u002Fgithub.com\u002Fcallstackincubator\u002Freact-native-harness","2026-04-06T18:06:49.932403",14,{"items":1597,"total":333},[1598],{"slug":4,"name":4,"fn":5,"description":6,"org":1599,"tags":1600,"stars":29,"repoUrl":30,"updatedAt":31},{"slug":8,"name":9,"logoUrl":10,"githubOrg":11},[1601,1602,1603,1604,1605],{"name":18,"slug":19,"type":16},{"name":24,"slug":25,"type":16},{"name":27,"slug":28,"type":16},{"name":21,"slug":22,"type":16},{"name":14,"slug":15,"type":16}]