brainstorm
97Skill Claude CodeCodex
Turn a rough idea into an approved spec — Socratic dialogue, 2–3 approaches, written design doc saved to docs/specs/.
Skill Claude CodeCodex
Turn a rough idea into an approved spec — Socratic dialogue, 2–3 approaches, written design doc saved to docs/specs/.
Skill Claude CodeCodex
Verify tests pass, then present merge / PR / keep / discard options and execute the user's choice — worktree-aware.
Skill Claude CodeCodex
Diagnose and fix a bug using TDD — replicate, gather evidence, diagnose, wrap the bug in a failing test, fix, review, ship.
Skill Claude CodeCodex
Implement a change (bug fix, feature, follow-up) using TDD — from spec through to a PR.
Skill Claude CodeCodex
Investigate a performance problem — pick a metric, baseline it, profile, change one thing, measure delta. No perf claims without before/after numbers.
Skill Claude CodeCodex
Walk a new engineer through getting set up in this codebase, understanding the layout, and shipping their first trivial change.
Skill Claude CodeCodex
Write a blameless postmortem after an incident — timeline, impact, RCA (5-whys / causal chain), what went well/poorly, action items — saved to docs/postmortems/YYYY-MM-DD- .md.
Skill Claude CodeCodex
Execute a behavior-preserving refactor — small steps from the catalog, tests after each step, no behavior change in the same commit.
Skill Claude CodeCodex
Cut a release — propose a semver bump, update the changelog, bump the version file, tag, push. Conventional release commits.
Skill Claude CodeCodex
Walk through open PR review comments, propose fixes, apply with confirmation, mark threads resolved — closes the review loop.
Skill Claude CodeCodex
Open a Request for Comments — a structured proposal that solicits feedback before a decision is made. Saved to docs/rfcs/NNNN- .md.
Skill Claude CodeCodex
Execute a multi-task plan by dispatching a fresh subagent per task with two-stage review (spec compliance, then code quality).
Skill Claude CodeCodex
Build a threat model for a feature before implementation — assets, entry points, threats (STRIDE), mitigations — saved to docs/threats/ .md.
Skill Claude CodeCodex
Set up an isolated workspace for parallel work — detect existing isolation, create a worktree if needed, run setup, confirm clean baseline.
Skill Claude CodeCodex
Retire a harness file by moving it to archive/ with reasoning frontmatter — never delete.
Skill Claude CodeCodex
Report the ambient-load token cost of the project harness, sorted by hot file.
Skill Claude CodeCodex
Surface a "reload the harness" notice to the user when guides changed mid-session.
Skill Claude CodeCodex
Run every applicable sensor and produce a unified PASS/FAIL report.
Skill Claude CodeCodex
Walk the user through declaring a new external source in .keystone/context.yaml.
MCP server Claude CodeCodexCursor
Keystone Harness Manager — the end-to-end harness manager for any project. MCP server that owns the full lifecycle: scaffold, sensors, actions, playbooks, skills, cascade verify, and forward-only shipped-template patches. Runs locally from the keystone-mcp Python package.
At most 3 mods per repository are shown here — the rest are on their repository pages: