convex-auth
Add authentication (passkeys/OAuth) to the current Convex app, including the auth.config.ts wiring.
- Installs
- 36.6K
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- #770
- Security
- Pass
Install
Works with every agent the skills CLI supports.
npx skills add https://github.com/convex/agent-skills --skill convex-auth- 01
Install
Run the command in your project. The CLI asks which agents to install for.
- 02
Describe the task
Ask your agent for something this skill covers. It loads convex-auth automatically when relevant.
- 03
Review the result
The agent follows the SKILL.md steps, scripts and references bundled with the skill.
Security audits
Independent scans of the skill's instructions and bundled files.
SKILL.md
The instructions your agent reads when the skill is triggered.
Add sign-in to the app
Install and wire @convex-dev/auth for the current app: a provider (passkeys by default, or OAuth/password), the server config, the client hooks, and a sign-in UI — correctly, including the auth.config.ts that's the #1 real-world auth footgun.
Workflow
- Install @convex-dev/auth (pinned build) and add it to convex.config.ts. With pnpm, also
pnpm add jose(it won't hoist otherwise); you need it for step 3. - Add the provider in convex/auth.ts (Passkey by default; Password or OAuth like Google on request).
- Generate the auth keys HEADLESSLY. Do NOT run the interactive
npx @convex-dev/authwizard: it needs a login/TTY and hangs in non-interactive, anonymous, or CI runs (the #1 auth time-sink). Generate JWT_PRIVATE_KEY + JWKS deterministically withjose: node -e 'import("jose").then(async({generateKeyPair,exportPKCS8,exportJWK})=>{const k=await generateKeyPair("RS256",{extractable:true});const priv=await exportPKCS8(k.privateKey);const pub=await exportJWK(k.publicKey);process.stdout.write(JSON.stringify({JWT_PRIVATE_KEY:priv.trimEnd().replace(/\n/g," "),JWKS:JSON.stringify({keys:[{use:"sig",...pub}]})}))})' > .auth-keys.json Then set JWT_PRIVATE_KEY and JWKS (from .auth-keys.json) plus SITE_URL on the deployment. Prefer the Convex MCPenvSettool, one call per var, to avoid shell-quoting the multi-line key. CLI fallback: use the NAME=VALUE form (npx convex env set "JWT_PRIVATE_KEY=$JWT"), NEVERenv set JWT_PRIVATE_KEY "$JWT"(the value starts with-----BEGINand the CLI parses the leading-as an unknown flag). SITE_URL is the dev URL (e.g. http://localhost:3000). Delete .auth-keys.json after. - Write convex/auth.config.ts (the silently-always-signed-out bug lives here if it's wrong).
- Wire the client: ConvexAuthProvider, the sign-in component, and route guards. If you import shadcn/ui primitives (button, input, textarea, label, and so on), add them first with
npx shadcn@latest add <name>; a missing @/components/ui/* is a hard build error. - Verify a sign-in round-trips before declaring done.
Rules
- Generate JWT_PRIVATE_KEY/JWKS with
jose(extractable RS256; PKCS8 newlines to spaces; JWKS = {keys:[{use:"sig", ...publicJwk}]}). Do NOT run the interactivenpx @convex-dev/authwizard: it hangs headless/anonymous. Set the vars via the MCPenvSettool or the NAME=VALUE CLI form. - Always write auth.config.ts: a missing/incorrect one makes the app silently always-signed-out with no error.
- Passkeys by default; only switch to password/OAuth on explicit request.
- Install any shadcn/ui primitive you import up front (
npx shadcn@latest add ...); a missing @/components/ui/* is a hard build failure. - Verify a real sign-in works before finishing.
FAQ
What does the convex-auth skill do?
Add authentication (passkeys/OAuth) to the current Convex app, including the auth.config.ts wiring.
How do I install convex-auth?
Run npx skills add https://github.com/convex/agent-skills --skill convex-auth in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/convex-auth/ (personal) or .claude/skills/convex-auth/ (project).
Which AI agents can use convex-auth?
Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.
Is convex-auth safe to install?
Security partners have reviewed it: Gen Agent Trust Hub passed; Socket passed; Snyk passed. As with any skill, read the SKILL.md and bundled scripts before installing.
Who maintains convex-auth?
It is published by convex in convex/agent-skills. It has 36,582 recorded installs.
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