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SKILL.md — Clerk
Real skill file for agents. When to use / when not is inside the document. This is not a fake MCP listing.
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--- name: clerk description: Operate Clerk as an agent using public APIs, CLIs, and docs. Twin Score agent 86. --- # Clerk skill Clerk sells beautiful auth components plus a user management backend, especially for Next.js and B2B organizations. Humans get a polished sign-in in an afternoon. Agents get Backend APIs and webhooks. Compared with Auth0 it is more frontend-opinionated and less identity-federation-ancient. Both belong in a worldwide auth shortlist. Twin Score on this directory is 88 for humans and 86 for agents, using the public rubric (interface, onboarding, human docs, collaboration, support, pricing fairness, accessibility, reliability versus API quality, MCP or tool surface, CLI, structured docs, machine auth, quotas, determinism, and skill packaging). Clerk is sold by Clerk, founded 2019, headquartered in United States / remote. Pricing in public materials: Free; Pro and Enterprise with MAU and feature gates. Machine capabilities we record: API excellent, MCP none, CLI none, docs excellent, auth Publishable/secret keys, OAuth, B2B orgs. This page is editorial, not a star rating scraped from users. ## When to use Use this skill when a user asks to integrate, script, or evaluate Clerk (Clerk). ## When not to use Do not claim an MCP server exists unless the capability matrix says so (current MCP level: none). Do not invent user-count ratings. ## Capability matrix | Surface | Level | |---|---| | API | excellent | | MCP | none | | CLI | none | | Docs | excellent | | Auth | Publishable/secret keys, OAuth, B2B orgs | | Webhooks | strong | | SDKs | js, http | ## Auth Publishable/secret keys, OAuth, B2B orgs ## Pricing (public) Free; Pro and Enterprise with MAU and feature gates. ## Official site https://clerk.com ## Twin Score Human 88. Agent 86. Updated 2026-08-01. Rubric: https://buildsomethingagentswant.com/scorecard ## Alternatives - auth0 - supabase