“data engineering”

Apply general production engineering standards when implementing, fixing, reviewing, or refactoring code in any language or framework.

Use when the user wants to go from a feature description to an open PR in one uninterrupted flow, asks to yolo a change, says do it all, or requests a…

ML model development and MLOps skill.

[Deprecated] engineering bridge merged.

Use when the user asks to create, file, log, open, draft, refine, decompose, or turn a request, bug, spike, or follow-up into a Linear issue or Linear ticket…

General implementation only when no narrower task or ecosystem skill fits.

Orchestrator for ad-hoc work and for a long chat.

Select focused debugging, test-first or architecture guidance for code implementation, failures and tests.

Resilience engineering, fault injection testing, circuit breaker patterns, and graceful degradation protocols.

CLAUDE.md from Foundry376/Mailspring: 234 lines covering Build and Development Commands, Architecture Overview, Core Data Flow: Sync Engine, Tasks, and…

Use when adding, retiring, renaming, merging, splitting, or checking sync for a canonical user flow across the User-Flows-Details Sheet and Linear "User Flow"…

Diagnose context stuffing vs.

Apply Graph Engineering workflows inside Hermes.

Scan a project for security issues locally with the open-source Data Hogo engine.

Build MCP servers with well-named tools, workflow-oriented coverage, and clear errors.

Understand the components, mechanics, and constraints of context in agent systems.

Integrate systems after frontend direction.

Record architecture decisions with ADRs.

Use when writing Spark jobs, debugging performance issues, or configuring cluster settings for Apache Spark applications, distributed data processing…

Repository-owned engineering pattern intelligence - 19 MCP tools over stdio.

Expert application security engineer specializing in threat modeling, vulnerability assessment, secure code review, and security architecture design.

Classify and route non-trivial software engineering work through the appropriate design, implementation, verification, and review skills.

Rigorous agentic engineering workflow — 23 playbooks and 23 principle rules for bug fixes, features, refactors, performance work, investigations, architecture…

Route focused UI and design-engineering work through Fleet's existing skills.