Iteration Layer

Iteration Layer is a composable API platform for document, image, and content workflows.

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What it can do

Convert Document To Markdown: Convert a document or image to clean markdown. Returns name, mime_type, markdown, and description (images only). Supports PDF, DOCX, XLSX, images (PNG, JPG, GIF, WEBP), H
Extract Document: Extract structured data from documents using AI. Define a schema with typed fields (text, number, date, boolean, enum, email, IBAN, country, currency, address, arrays, calculated) an
Transform Image: Transform and manipulate images with a pipeline of up to 30 sequential operations. Operations: resize, crop, extend, trim, rotate, flip, flop, blur, sharpen, modulate, tint, grayscale

What data it sees

Do you need an account

No: the server works without sign-in

Iteration Layer is a composable API platform for document, image, and content workflows. Its MCP server gives agents structured tools for extraction, generation, and transformation without stitching together multiple providers

Server tool list (6)

Raw names from tools/list. Only developers need these.

convert_document_to_markdown	Convert a document or image to clean markdown. Returns name, mime_type, markdown, and description (images only). Supports PDF, DOCX, XLSX, images (PNG, JPG, GIF, WEBP), HTML, Markdown, CSV, JSON, and plain text. Max file size: 50 MB.
extract_document	Extract structured data from documents using AI. Define a schema with typed fields (text, number, date, boolean, enum, email, IBAN, country, currency, address, arrays, calculated) and receive extracted values with confidence scores (0-1) and source citations. Supports PDF, DOCX, XLSX, images (PNG, JPG, GIF, WEBP), HTML, Markdown, CSV, JSON, and plain text. Use arrays with nested schemas for repeating data like invoice line items. Max file size: 50 MB per file.
transform_image	Transform and manipulate images with a pipeline of up to 30 sequential operations. Operations: resize, crop, extend, trim, rotate, flip, flop, blur, sharpen, modulate, tint, grayscale, invertColors, autoContrast, gamma, removeTransparency, threshold, denoise, opacity, convert, upscale (AI, 2-4x), smartCrop (AI, detects faces/people/objects), compressToSize, removeBackground (AI). Supports PNG, JPEG, WebP, AVIF, and HEIF output. Max file size: 50 MB.
generate_image	Generate images from layer compositions. Layer types: solid-color, gradient, text (with Markdown bold/italic), image, qr-code, barcode (Code 128, EAN-13, EAN-8, Code 39, ITF, Codabar), and layout (nested flex-like container with direction, gap, alignment, and padding). Layers are composited by index order with per-layer opacity and rotation. 99 Google Fonts are built in (Inter, Roboto, OpenSans, Montserrat, Poppins, Outfit, Lato, etc.) -- reference any by name without uploading font files. Custom fonts can be provided as base64. Output formats: PNG (default), JPEG, WebP, TIFF, GIF, AVIF.
generate_document	Generate PDF, DOCX, PPTX, or EPUB documents from a structured document definition. Content blocks: paragraph (with rich text runs), headline (h1-h6), image, table, 12-column grid, ordered/unordered list, table-of-contents, page-break, separator, QR code, barcode. Styles and page settings are optional -- sensible defaults are applied (PlusJakartaSans body text, Outfit headings, A4, 72pt margins). Override any style section as needed. 99 Google Fonts are built in -- reference any by name. Custom fonts can be provided as base64. Supports headers/footers with page numbers.
generate_sheet	Generate XLSX, CSV, or Markdown spreadsheets from structured tabular data. Define columns and rows with optional cell formatting (text, number, decimal, currency, percentage, date, datetime, time, custom). XLSX supports rich styling (font, color, alignment), merged cells via from_col/to_col/from_row/to_row spans, and Excel formulas (strings starting with =). 162 ISO 4217 currency codes with configurable number styles (comma_period, period_comma, space_comma, space_period). Supports multiple sheets (XLSX/Markdown) and custom fonts (XLSX, base64).