Persona + Skills Pack

A senior developer for your AI coding assistant.

Senior Developer for Claude Code, Cursor, Windsurf

A senior-developer persona plus five Anthropic Agent Skills that produce paste-ready deliverables. Drop it into Claude Code's skills directory and it starts working. Paired with CxMS Pro AI, it remembers what you approved yesterday.

Get Developer Persona + Skills Pack — $29 one-timeSee pricing

Works with Claude Code natively. Cursor, Windsurf, Codex CLI, GitHub Copilot, Cline, Continue.dev, Zed, Amazon Q through CxMS Pro AI’s MCP bridge.

Sound familiar?

Monday. You paste your team’s review rules into Cursor for the seventh morning in a row. What you block on. What is a nit. How you write PR descriptions. Which patterns your tech lead rejects on sight. It took you twenty minutes yesterday. It will take you twenty minutes tomorrow.

You scroll past a swallowed exception in a junior’s PR because your reviewer is tired. The retry-without-idempotency ships. Production gets paged at 2 AM. You write the postmortem at your kitchen table three days later, when half the ordering is already gone.

None of this is a tool problem. Your AI has the intelligence. It does not have the memory. Every session, it forgets.

What this is (and what it is not)

The Developer Persona + Skills Pack is a zip of Anthropic Agent Skills (SKILL.md files with frontmatter). It is not an MCP server. It is not an IDE plugin. It is not a SaaS product.

Loaded into Claude Code’s skills directory, it is a senior-developer voice plus five production skills. Loaded into CxMS Pro AI, it becomes memory-aware. Every correction you make, every preference you set, every review rule your lead approves compounds into institutional memory instead of resetting next session.

It does not replace your senior engineer. It is the first-pass reviewer a senior signs off on. The human ships.

What you get

Cut review time per PR from 45 minutes to 10

The Code Review skill produces paste-ready GitHub comments with severity tags ([blocking: bug], [blocking: security], Nit:), file:line references, and pattern names your teammate can learn from. Catches retry-without-idempotency, swallowed exceptions, TOCTOU races, IDOR, ambiguous null returns. Cites CWE or OWASP when the pattern maps cleanly.

Ship the PR description you meant to write

The PR Describe skill reads the diff and writes 8 to 30 lines of structured description. Summary, changes, test plan, risk and rollback, migration notes when they apply. No padding. No hallucinated test results. If tests did not run, the description says so.

Capture the decision your future self will thank you for

The ADR Writer skill turns a Slack thread or meeting transcript into a proper Architecture Decision Record in MADR or Nygard format. Context, decision, consequences, alternatives considered. The document your auditor, your new hire, and your own memory in eighteen months all need.

Draft tomorrow's postmortem tonight

The Postmortem Draft skill uses Google SRE blameless format. Roles instead of names, UTC timestamps, contributing factors instead of 'root cause,' action items with owners and dates. Draft it tonight, share it tomorrow, stop losing the detail.

Refactor the legacy module without praying

The Legacy Test Scaffold skill generates Feathers characterization tests in Python, JavaScript, TypeScript, Java, Ruby, Go, or Rust. Capture what the code does right now. Refactor against the safety net. Ship.

One coherent voice, not a parts bin

A senior-developer persona curated from Martin Fowler's refactoring catalog, the Gang of Four, Kleppmann's distributed systems patterns, the Google SRE Book, OWASP Top 10:2025, and a production-failure reference library. A voice calibration layer kills sycophancy and adds honest confidence levels.

Works with your tools

Works natively with Claude Code. Unzip into ~/.claude/skills/opencxms-persona-developer/ and Claude Code picks it up on next launch.

Works with Cursor, Windsurf, Codex CLI, GitHub Copilot, Cline, Continue.dev, Zed, and Amazon Q Developer through CxMS Pro AI’s MCP bridge.

Standalone: the pack drops into Claude Code’s skills directory and runs today. No memory engine required.

With CxMS Pro AI: the persona learns your team. Your corrections stick. Your review standards compound. Your naming conventions persist across sessions instead of resetting every morning.

Claude Code
Cursor
Windsurf
Codex CLI
GitHub Copilot
Cline
Continue.dev
Zed

Who this is for

  • ✓Sarah, tech lead at a 12-person Series B team. Reviews 5 teammate PRs a day on top of her own work. Wants the first pass clean enough that her bandwidth goes to architecture decisions, not style nits.
  • ✓Marcus, senior at an agency juggling three codebases. Needs paste-ready reviews that respect each client's conventions. Tired of re-onboarding his AI every time he switches repos.
  • ✓Priya, engineering manager. Has to write ADRs the team will actually read in two years. Never has time to write them properly. Wants a skill that turns a Slack decision thread into a real MADR document in five minutes.
  • ✓James, on-call rotation owner. Got paged at 2:14 AM last Thursday. Needs a postmortem draft before Monday standup, not three days of his evenings.
  • ✓Teams already on Claude Code, Cursor, or Windsurf who want their AI to get better at their code over time, not start fresh every session.

Pricing

Developer Persona + Skills Pack
$29 one-time

Single-seat perpetual license

7-day money back guarantee. No questions asked.

Get on Gumroad
Want persistent AI memory too? Add CxMS Pro for $49 one-time, or grab the Complete Bundle at $199 (engine + all six Persona + Skills Packs, save $44 vs. à la carte).

FAQ

Does the Developer Persona + Skills Pack require CxMS Pro AI?
No. The pack is a set of Anthropic Agent Skills. Drop it into Claude Code's skills directory and it works. CxMS Pro AI is the persistent-memory upgrade, not a prerequisite.
Does the pack work with Claude Code?
Yes, natively. Unzip into ~/.claude/skills/opencxms-persona-developer/ and Claude Code picks it up on next launch. No configuration.
Can I use the pack with Cursor or Windsurf?
Yes, through CxMS Pro AI's MCP bridge. The pack loads inside Pro AI, and Pro AI exposes the skills to Cursor, Windsurf, Codex CLI, GitHub Copilot, Cline, Continue.dev, Zed, and Amazon Q Developer via MCP.
How is this different from free Claude Code subagent repos?
Free repos are parts bins. You spend 4 to 8 hours picking, testing, and wiring them together, and the output still sounds like AI because there is no single voice or curated reference. This pack is that stitching work finished. One persona, one voice, paste-ready templates. And when paired with CxMS Pro AI, it remembers.
Will my code leave my machine?
No. The pack is a set of local files. Your AI tool's model calls are whatever you configured them to be. Nothing in the pack phones home.
What's the refund policy?
7-day money back guarantee. No questions asked. Packs are static files with no license check, so there is no deactivation step.

Stop re-teaching your AI every morning.

One purchase. Perpetual license. Seven-day money-back guarantee.

Get the Developer Pack on Gumroad

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