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Start or reopen a diffing UI for local changes or a GitHub pull request and hand it to the human. Use when the user asks to open diffing, inspect changes in the review UI, start a review, or send work for human review.
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Basado en la clasificación ocupacional SOC
Turn GitHub pull-request review feedback into a human-approved local implementation through diffing. Use when asked to address PR comments, fix reviewer requests, turn unresolved PR feedback into a plan, or implement requested changes on a PR branch. Default to a local checkout plus plan/review cycle; reply, resolve, publish, or otherwise mutate GitHub only with explicit user authorization.
Read a GitHub pull request through diffing with token-efficient bounded inspect APIs instead of dumping gh pr view/diff or the full patch. Use when summarizing a PR, inspecting PR changes, preparing a review, or reading PR discussion with minimal context.
Review code with diffing, inspect every changed file, and post actionable inline feedback. Use when the user asks to review working-tree, staged, commit, branch, or GitHub pull-request changes through diffing.
Use diffing for a native human-AI review loop over local code changes, GitHub pull requests, or implementation plans. Route requests to start the UI, inspect and review diffs, submit plans for approval, wait for feedback, address inline comments, or operate any diffing CLI, MCP, or loopback HTTP capability.
Receive a human's diffing review handoff, apply requested edits, answer questions, and keep comment threads synchronized. Use when the user says their review is ready, asks to process diffing comments, or wants the agent to wait for and address review feedback.
Submit an implementation plan to diffing for human approval and obey the verdict before writing code. Use for plan sign-off, architecture review, risky work, or any request to let the human comment on a plan before implementation.
| name | diffing-start-review |
| description | Start or reopen a diffing UI for local changes or a GitHub pull request and hand it to the human. Use when the user asks to open diffing, inspect changes in the review UI, start a review, or send work for human review. |
Start the local review UI for the repository in scope and make its URL available to the human. Do not review or edit the changes unless the user also asks for that work.
review_session_status first. Verify the repository, mode, and diffArgs. If they do not match, inspect diffing sessions --json: select an existing match with diffing sessions use <id>, then reconnect MCP so the new connection discovers it. For gh-pr, confirm identity with gh_overview; do not use the full /api/gh/session payload merely for status. An active TUI is the human's terminal UI, not a browser URL; never expose its capability-bearing agent API URL.start_review_session only to start or pin a matching local web session. It is idempotent, accepts structured diffArgs, and never launches, stops, or replaces TUI/PR sessions. If the desired web scope has no session and an incompatible session is active, start diffing --web --no-open [scope…] through the CLI; it safely coexists and becomes active, after which a fresh MCP connection can attach.diffing sessions --json; otherwise start the requested mode as a persistent process from the repository: diffing --web --no-open [scope…] for local review, or diffing --no-open --gh-pr <ref> for a PR. Every new launch coexists and becomes active. Use diffing sessions open <id> --no-open to select and print a specific web/PR URL. A foreground command that dies when the tool call ends is not sufficient; the interactive TUI belongs in the human's terminal, not an agent background process.diffing in the repository.Never guess a repository. Bind MCP with diffing mcp --repo <absolute-path> when the harness does not launch it from the workspace.
Optional health check: diffing doctor.
| Scope | How |
|---|---|
| Working tree (default) | no extra args |
| Staged | --staged |
| Recent commits | e.g. HEAD~3 |
| Branch comparison | e.g. main..HEAD |
| Path filter | paths after -- |
| GitHub PR | diffing --no-open --gh-pr 1234 or diffing "gh pr 1234" --no-open |
| Commit series (show mode) | diffing show <revspec>... |
| Native TUI | diffing --tui (bundled by the normal npm i -g diffing install) |
Use structured argument arrays with start_review_session; do not compose a shell string from untrusted user input.
start_review_session accepts safe line-oriented git-diff scope/filter/context/whitespace/rename arguments, but rejects diffing runtime flags, external drivers, output files, and non-patch formats. Modifiers need a revision or pathspec anchor; baseline mode accepts only staged/cached selection. Start GitHub PR mode through the CLI, not this MCP tool.
If the human starts the native TUI, agents can inspect its diff without full-patch transfer through MCP diff_summary / diff_files / diff_hunks / diff_slice / diff_search or CLI diffing inspect …. Do not start an extra web session merely to inspect a live TUI diff.
For web mode, return the selected session's verified base review URL; append /plan or /plan/<id> for plans and /gh/pr for a PR session. Do not use diffing url before selecting the intended session, and never invent a URL from a guessed port. For TUI mode, report that the review is already open in the human's terminal and do not return the agent API URL.
Set the correct expectation: local code review uses Send to agent, plan review uses Submit review, and GitHub PR mode uses local drafts followed by an explicitly authorized Submit to GitHub; PR mode has no Send-to-agent handoff.
If the user requested the complete review loop, continue with diffing-finish-review (code) or diffing-plan-review (plan); otherwise stop after the session is reachable.
Verdicts are behavioral controls: comment-only → no file edits; changes-requested → address open requests; approved → continue; rejected → stop building on the rejected approach.