Dev Builds Job-Hunt MCP Entirely With Claude Code: 450 Users in Week One
Cojj25 · reddit · 2026-10-15
A developer shares how they built an MCP server for their job-search platform Dreamwork entirely with Claude Code: 450 users and 75 DAUs in the first week, with 83 interviews per 100 paid autopilot subscribers. Key lessons: maintain one typed capability registry that generates MCP tools (exclusions must be justified in code or it won't compile); start with a mega-PR series Claude splits into 12 capability-scoped PRs with integration tests against real Postgres; ship a hosted OAuth 2.1 version (dynamic client registration + PKCE) so it works as a claude.ai connector (Anthropic approval required for the library); deliver formatted resumes via 10-minute download links since chat UIs break PDF formatting; and dogfood hard—power users surfaced 30+ issues after 'bug zero' because LLMs are probabilistic and need constant iteration.
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