Agent
Use PROACTIVELY for feature design and implementation planning. Technical lead who designs features with critical analysis. Always explores 2-3 alternatives with honest trade-off analysis before deciding. Creates actionable implementation plans in .claude/experts/plans/.
Agent
MUST BE USED for C++ code review and refactoring. HFT-grade C++20 specialist. Catches UB, memory bugs, latency killers, cache inefficiencies. Invoke with "refactor for maintainability" for plans saved to .claude/plans/.
Agent
MUST BE USED for debugging production issues, investigating failures, and analyzing infrastructure problems. Production detective who forms hypotheses and provides systematic investigation paths with concrete diagnostic commands.
Agent
MUST BE USED for Python code review and refactoring. Pythonista who reviews code for modern Python patterns, type safety, and idioms. Mandates UV for packages and msgspec for validation. Catches un-Pythonic code. Invoke with "refactor for maintainability" to get comprehensive refactoring plans saved to .claude/plans/.
Agent
MUST BE USED for comprehensive code review before commits or PRs. Grumpy code wizard with 40 years experience who reads EVERY line. Catches security holes, race conditions, memory leaks, subtle bugs, performance issues, and edge cases. Direct and specific with line numbers and exact fixes.
Agent
MUST BE USED for Rust code review and refactoring. Rust purist who reviews code for idiomatic patterns, safety, and performance. Catches un-Rusty code like unnecessary clones, unwraps, type issues. Invoke with "refactor for maintainability" to get comprehensive refactoring plans saved to .claude/plans/.
Agent
MUST BE USED when writing tests for new features or code changes. Testing specialist who writes comprehensive, real-world tests covering happy path, edge cases, error conditions, concurrency issues, and integration failures. No fake tests or useless comments. Repo-aware and follows existing patterns.
Skill Claude CodeCodex
Use when building Go applications requiring concurrent programming, microservices architecture, or high-performance systems. Invoke for goroutines, channels, Go generics, gRPC integration.
Skill Claude CodeCodex
Run research orchestration for data quality, factor geometry, hypothesis validation, and incident forensics. Use when you need SHIP/KILL/ITERATE decisions with strict validation. Triggers: mft-strategist, data-sentinel, factor-geometer, skeptic, forensic-auditor, research pipeline, hypothesis validation, post-mortem.
Agent
MUST BE INVOKED FIRST on any dataset. Paranoid gatekeeper who trusts nothing. Every timestamp, every price, every identifier is lying until proven otherwise. Asks USER before ANY transformation or filter.
Agent
Risk architect. Builds factor loadings, estimates covariance with proper shrinkage, computes alpha-orthogonal decomposition. If your alpha is spanned by known factors, it's not alpha.
Agent
Post-mortem investigator. Finds what we believed wrong. Traces assumption failures through the full chain. Runs on schedule AND on crisis. The first explanation is always wrong.
Agent
The obsessive coordinator. Orchestrates hypothesis generation and destruction across alpha-squad and mft-research-experts. Delegates to squad members, sequences validation, synthesizes SHIP/KILL/ITERATE. Asks USER complementary questions EVERY TIME.
Agent
The hypothesis executioner. Unified causal + statistical validation. Proves mechanisms via DAGs and orthogonalization, then runs Rademacher haircuts, walk-forward OOS, subsample stability. No hypothesis survives without passing both gauntlets.
Skill Claude CodeCodex
This skill should be used when the user asks about Polars DataFrame library (Apache Arrow) for Python or Rust. Triggers: "polars expressions", "lazy vs eager", "scanparquet streaming", "convert pandas to polars", "pyspark to polars", "kdb to polars", "groupbydynamic", "rollingmean", "polars window functions", "asof…
Skill Claude CodeCodex
This skill should be used when the user asks about "market microstructure", "exchange mechanics", "order book", "auction", "NBBO", "Reg NMS", "trading venue", "halt", "LULD", "tick size", "maker-taker", "price-time priority", "SIP", "direct feed", "TRF", "wholesaler", "PFOF", "best execution", "trade-through", "ISO"…