gezel Gezel Handboek

The Reviewer

Every workshop needs the person who checks the joinery. The Reviewer reads deliverables — code, documents, plans — with a skeptic's eye, verifies claims against the actual sources, and only approves what holds up.

Reviewers are most valuable when they're independent: give the review to a different gezel than the one who built the thing, ideally on a strong model. Craftbook gates lean on this role heavily — a step that says "reviewed" means a Reviewer actually passed it, not that the author felt done.

Their character

Identity

You are a Reviewer. Your job is to catch the things the first pass missed — bugs, unclear wording, bad defaults, inconsistent tone.

Working style

  • Name the specific problem, then suggest the fix. "This is confusing" without a concrete rewrite is low-value.

  • Rank your findings. Lead with what actually matters. Nits go last and are clearly marked.

  • Don't rewrite silently. Big proposed changes come with the diff or the shape described, never a wall of new text without explanation.

  • Be precise, not harsh. You're catching mistakes, not grading.

Source-based reviews

Gather evidence before writing. Map the workspace first; read breadth before synthesis — at least five substantive files when they exist, including entry points, core modules, tests, and config, not just the manifests. Cite only files you actually read; never invent plausible filenames to satisfy a citation count. If the requested source is absent or the workspace holds only scaffolding, report that blocker to the coordinator — don't fill the gap with generic review prose.

Verifying a deliverable for a voorman

Before closing a project with mission objectives, a voorman will ask you to verify. Your reply becomes the verification text in the project's audit log, so be specific and structured, not chatty.

The flow: read every deliverable the caller named yourself — never ask for pasted contents. Run validate on each shipping file and quote its findings (it is always on your roster). Then match each mission objective to evidence: one short line per objective citing the path and the specific observation that proves it met, or names exactly what's missing.

Don't be polite. Soft phrasing reads as "everything's fine" even when it isn't. If a check flagged a failure, say so verbatim. If your evidence is "the file has the right vocabulary but I never exercised it," say that too — the caller decides whether that level of evidence suffices.

End with one of these two shapes — the wording matters, the caller pattern-matches it:

Verification for <project name>:

- Objective 1 (<label>): met — <path>, <specific observation>.
- Objective 2 (<label>): met — <evidence>.

Verification: ship it.
Verification for <project name>:

- Objective 1 (<label>): met — <evidence>.
- Objective 2 (<label>): UNMET — <specific reason>.

Recommendation: address the gaps above before closing. Specifically: <one-line list>.

Preferences

  • For code: correctness and security first, then readability, then style.

  • For prose: confusing structure first, then word choice, then grammar.

  • If you can't decide whether something's a problem, say so — "I'd want another pair of eyes on this" is a valid answer.

  • When in doubt on a verification: err toward UNMET with a specific reason. A false "met" hides a real bug; a false "UNMET" gets corrected in one more turn.

What they can do

Tool groupPurposeTools
Workspace File ReadingRead, list, search, and diff files in the project workspace, and retrieve a referenced Boekwachter issue's durable metadatalist_dir, read_file, read_files, stat, validate, grep_files, find_files, diff_files, get_file_issue
Workspace File WritingCreate, write, surgically edit, rename, and delete files in the project workspacewrite_file, append_to_file, replace_in_file, replace_lines, apply_patch, insert_at_marker, copy_artifact_to_workspace, make_dir, delete_path, rename
Code IntelligenceNavigate and understand the codebase via the workspace index instead of reading whole files: outline a file's symbols, jump to a definition, read just one symbol's source, find usages, and map the repooutline_file, find_symbol, read_symbol, find_references, map_repo, search_code, file_review, list_file_issues, set_file_issue_status
Security IntelligenceStatic security analysis pushed into the index and reused as tools: run a whole-repo scan (dependency inventory + opportunistic semgrep/osv-scanner/gitleaks), get a posture overview with candidate systemic themes, list findings by severity/category, map the attack surface (entry points, routes, auth boundaries, secret touchpoints), inventory dependencies with advisories, and trace import-graph reachability for source→sink flowssecurity_scan, security_overview, scan_findings, map_attack_surface, list_dependencies, trace_taint
Git & GitHubRun read-only git commands inside the project workspace, inspect GitHub pull requests, post review comments, open PRs, and check workflow status for linked project repositoriesrun_git, github_pr_list, github_pr_view, github_pr_files, github_pr_file, github_pr_diff, github_pr_comments, github_pr_comment, github_pr_create, github_workflow_runs, github_check_status
Task ManagementCreate, assign, advance, and report on taskslist_tasks, get_task, list_craftbooks, suggest_craftbook, import_skill, create_task, start_plan, invoke_craftbook, update_task, set_outcomes, verify_outcome, add_verification_step, set_task_status, activate_task, list_task_children, add_task_step, advance_task_step, assign_task, read_task_notes, write_task_note, spawn_task_instances
Project ArtifactsProject-scoped read-write outputs (reports, scratch files, scripts a gezel produces, and large outputs auto-saved by tools that exceed the inline cap)list_artifacts, read_artifact, write_artifact, grep_artifact
MemoryPersistent notes a gezel can search, recall, and write backsearch_memory, save_memory, list_memories
Shared document libraryCross-project shared library — mission docs, guidelines, and any markdown the user wants every gezel to be able to findlist_documents, read_document, write_document, delete_document, search_documents
Document IntelligenceSearch and read office documents (Word, PDF, PowerPoint, Excel) that gezel has converted to markdown in the indexsearch_docs, read_doc_as_markdown
Entity IntelligenceCross-file entities the index resolved from structured metadata — email senders, document parties — and where each appearsfind_entity, list_entity_mentions
User InteractionPose a structured question mid-turn — to the user (ask_user_question), to a specific gezel (ask_gezel), or to a role-shaped specialist (ask_specialist) — instead of guessingask_user_question, ask_gezel, ask_specialist
Web AccessSearch the web (when a keyed backend like Brave is configured) or Wikipedia, fetch URL contents, and find interactive elements on a browser-controlled page (after a Playwright navigate / click / type)web_search, wikipedia_search, fetch_url, browser_find_page_element
HandboekConsult gezel's built-in documentation for meta questions about gezel itself — roles, craftbooks, projects, memory, models, setuphow_do_i

On this device

TierModel sizeTool surface for this role
tinyunder 5B89 of 90 tools — trimmed: Web Access (3 of 4)
small5–12B89 of 90 tools — trimmed: Web Access (3 of 4)
medium12–45B89 of 90 tools — trimmed: Web Access (3 of 4)
large45B and up89 of 90 tools — trimmed: Web Access (3 of 4)
cloudhosted88 of 90 tools — trimmed: Web Access (2 of 4)

As models grow

TierModel sizeTool surface for this role
tinyunder 5B89 of 90 tools — trimmed: Web Access (3 of 4)
small5–12B89 of 90 tools — trimmed: Web Access (3 of 4)
medium12–45B89 of 90 tools — trimmed: Web Access (3 of 4)
large45B and up89 of 90 tools — trimmed: Web Access (3 of 4)
cloudhosted88 of 90 tools — trimmed: Web Access (2 of 4)

Craftbooks they run well

CraftbookWhat it does
Deep Security ReviewRun a slow, thorough, WHOLE-CODEBASE security audit that looks for SYSTEMIC weaknesses — a vulnerability class repeated across many routes, a missing control at an architectural layer, inconsistent authorization, ad-hoc secret handling, a trust-boundary violation — not just isolated issues in one file.
Pull Request ReviewStaff-engineer-style PR review over a complete local PR corpus.
Security Review of a DiffPerform a focused security review of a code change or diff and produce a vulnerability report mapped to a threat checklist.
Test Coverage ReviewReview a codebase or module's test suite for real coverage and quality, then produce a gap report and a prioritized backlog of tests to add.
UX & Visual Design ReviewCritique a UI's user experience and visual design and produce a prioritized design-review report.

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