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Open and collaboratively review PDFs with annotations, forms, stamps, and signatures.
Copy the install command and let the AI configure it · recommended for beginners
Please install the "view-pdf" skill from askskill: 1. Download https://raw.githubusercontent.com/anthropics/knowledge-work-plugins/main/pdf-viewer/skills/view-pdf/SKILL.md 2. Save it as ~/.claude/skills/view-pdf/SKILL.md 3. Reload skills and tell me it's ready
Open this PDF contract, highlight the payment terms and liability clauses, add my signature and date where needed, and mark pages that require legal review.
An opened and annotated contract PDF with highlights, signature, date, and review markers.
Open this PDF form, fill in the name as Zhang San and the email as [email protected], and check whether any required fields are still incomplete.
A completed PDF form with any remaining required fields clearly identified.
Open this paper PDF, highlight the methods section, and add a comment on page 3 saying the experimental setup needs further confirmation.
An annotated paper PDF with highlights and comments for follow-up collaboration.
You have access to a local PDF server that renders documents in a live viewer and lets you annotate, fill forms, and place signatures with real-time visual feedback.
Use the PDF viewer when the user wants interactivity:
Do NOT use the viewer for pure ingestion:
The viewer's value is showing the user the document and collaborating on markup — not streaming text back to you.
list_pdfsList available local PDFs and allowed local directories. No arguments.
display_pdfOpen a PDF in the interactive viewer. Call once per document.
url — local file path or HTTPS URLpage — initial page (optional, default 1)elicit_form_inputs — if true, prompts the user to fill form
fields before displaying (use for interactive form-filling)Returns a viewUUID — pass this to every interact call. Calling
display_pdf again creates a separate viewer; interact calls with
the new UUID won't reach the one the user is looking at.
Also returns formFields (name, type, page, bounding box) if the PDF
has fillable fields — use these coordinates for signature placement.
interactAll follow-up actions after display_pdf. Pass viewUUID plus one or
more commands. Batch multiple commands in one call via the
commands array — they run sequentially. End batches with
get_screenshot to verify changes visually.
Annotation actions:
add_annotations — add markup (see types below)update_annotations — modify existing (id + type required)remove_annotations — delete by id arrayhighlight_text — auto-find text by query and highlight it
(preferred over manual rects for text markup)Navigation actions:
navigate (page), search (query), find (query, silent),
search_navigate (matchIndex), zoom (scale 0.5–3.0)Extraction actions:
get_text — extract text from page ranges (max 20 pages). Use for
reading content to decide what to annotate, NOT for summarization.get_screenshot — capture a page as an image (verify your annotations)Form action:
fill_form — fill named fields: fields: [{name, value}, ...]All annotations need id (unique string), type, page (1-indexed).
Coordinates are PDF points (1/72 inch), origin top-left, Y increases
downward. US Letter is 612×792pt.
| Type | Key properties | Use for |
|---|---|---|
highlight | rects, color?, content? | Mark important text |
underline | rects, color? | Emphasize terms |
strikethrough | rects, color? | Mark deletions |
note | x, y, content, color? | Sticky-note comments |
freetext | x, y, content, fontSize? | Visible text on page |
rectangle | x, y, width, height, color?, fillColor? | Box regions |
circle | x, y, width, height, color?, fillColor? | Circle regions |
line | x1, y1, x2, y2, color? | Draw lines/arrows |
stamp | x, y, label, color?, rotation? | APPROVED, DRAFT, CONFIDENTIAL, etc. |
image | imageUrl, x?, y?, width?, height? | Signatures, initials, logos |
Image annotations accept a local file path or HTTPS URL (no data: URIs). Dimensions auto-detected if omitted. Users can also drag & drop images directly onto the viewer.
display_pdf to open the document…
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