Personal agent toolkit: workflow agents, skills, stances, and prompts for VS Code Copilot
Skill Claude CodeCodex
Use when reviewing git diffs, local changes, or pull requests for merge-relevant risks: correctness regressions, security/privacy, data integrity, performance, reliability, tests, UX, maintainability, and deployability. Produce evidence-backed findings, inline comments when available, and a reviewer-facing summary…
Skill Claude CodeCodex
Review the conversation for threads that were started but not followed — ideas mentioned in passing, decisions deferred implicitly, tensions named but not resolved. Use when taking stock, before saving, or whenever the user wants to know what's been left on the table.
Skill Claude CodeCodex
Use when PR review or diff comments are supplied as actionable feedback to implement, including UI flows that send comments without an explicit typed request. Completing this work includes verifying the fix and resolving matching GitHub/Copilot review threads; observation-only requests should leave threads open.
Skill Claude CodeCodex
Use when drafting, updating, or reviewing a GitHub pull request title or body. Build the reviewer's intuition for the change, preserve the author's judgment and relationship with the readers, follow the repository template, and keep evidence at the strength it supports.
Skill Claude CodeCodex
Use when debugging, recon, review, or incident work has conflicting observations and needs to pause, restate what is known, check whether surfaces are comparable, and hand off to the next investigative move.
Skill Claude CodeCodex
Use when running a prepare-execute-review (PER) cycle, doing a PER workflow, or coordinating work through prepare, execute, and review subagents with explicit gates.
Skill Claude CodeCodex
Use when investigating unfamiliar code, tracing data flows, mapping architecture, or answering questions that require adaptive exploration — where the agent needs to follow leads, use tools interactively, and synthesize findings rather than just search for known terms.
Skill Claude CodeCodex
Use when drafting, revising, reviewing, or promoting RFCs and design proposals, including Exo-managed RFCs, staged RFC lifecycle work, Rust/Ember-style RFC prose, and canonization or recommendation work for related RFCs.
Skill Claude CodeCodex
End-of-day close: the user is stepping away and won't serve as a bridge. Full collaborative triage, working-style reflection, and anticipatory framing for the next day. Invoke with /session-close.
Skill Claude CodeCodex
Start a new session cycle by reconciling Project Orientation, restoring repo context, and resuming the active bet or opening vision steering when selection genuinely changed.
Skill Claude CodeCodex
End-of-cycle transition: interpret the session, triage dangling threads with the user, and prepare SESSION-TRAJECTORY.md for the next cycle. The user is still around and serves as a light bridge. Invoke with /session-rest.
Skill Claude CodeCodex
Keeps SESSION-TRAJECTORY.md warm as work progresses and offers checkpoints at natural boundaries. Saving is not stopping.
Skill Claude CodeCodex
Reorient a project by recovering its durable thesis and experienced outcome, reading live plans/tasks/PRs/substrate as candidate bets, and selecting one smallest meaningful end-to-end move with organic proof. Use when the user asks to steer or prioritize by vision, several technically valid gates compete without an…
Skill Claude CodeCodex
Use when coordinating multiple live Codex threads, maintaining a coordination heartbeat, routing work across implementation threads, inspecting cross-thread ownership or gates, or keeping a coordinated effort moving through PR, review, evidence, and human-action boundaries.
Skill Claude CodeCodex
Use when walking through code changes with the user one chunk at a time, pausing for discussion after each chunk, linking directly to code, and checking design alignment as the review progresses.
Skill Claude CodeCodex
Use when drafting or revising language that will be attributed to a user, especially public prose where editorial help must preserve the author's judgment, ownership, and relationship with the readers.
Skill Claude CodeCodex
Use when working with the user on tasks requiring their situated knowledge — priorities, intent, energy, context the agent can't see. Describes the relational structure of productive human-agent collaboration.
Skill Claude CodeCodex
Use when investigating unfamiliar territory, narrowing possibilities through targeted questions, or diagnosing a problem by updating your own model of the situation.
Skill Claude CodeCodex
The cognitive mode of reading for what a coherent narrative left out — threads abandoned, overtaken, or never recognized as significant. Complements interpretive-synthesis (which builds the account) by interrogating what it smoothed away.
Skill Claude CodeCodex
Use when comparing expected outcomes against actual results, judging what a gap means, or evaluating whether a change achieved its intent. The review agent crystallizes this.
Skill Claude CodeCodex
Use when predicting what code looks like before reading it, anticipating where a plan will encounter friction, or forming expectations specific enough to be tested. The prepare agent crystallizes this.
Skill Claude CodeCodex
Use when building a coherent account from many observations, summarizing conversation state, or explaining how pieces connect. The skill is in what gets left out.
Skill Claude CodeCodex
Use when walking through code, documents, or changes with the user where both perspectives contribute — the agent sees structural patterns, the user sees design intent.
Skill Claude CodeCodex
Use when observations from different surfaces appear to disagree and the agent must keep each observation in its observed form before explaining causes: UI vs behavior, logs vs state, metrics vs reports, tool output vs user-visible result.