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Pixohub image specs

by io.github.MonsterInstitute
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Server Details

Platform image sizes from official sources, upload limits, format advice and image test data.

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Status
Healthy
Last Tested
Transport
Streamable HTTP · MCP 2025-11-25
URL
Repository
MonsterInstitute/image-specs
GitHub Stars
0
ChatGPT
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Claude
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TDQS

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Available Tools

5 tools
compression_adviceCompression advice
Read-only
Inspect

Given a target file size (KB) and optionally the image's current size and pixel dimensions, says what to expect when compressing to that size — quality, how much resolution is usually kept — based on Pixohub's measured tests on 44 photos, and links the matching compress-to-size tool.

NameRequiredDescriptionDefault
widthNoCurrent width in px (optional).
heightNoCurrent height in px (optional).
target_kbYesMaximum file size you need, in KB (1 MB = 1024 KB).
current_kbNoCurrent file size in KB (optional).
conversion_test_resultMeasured conversion result
Read-only
Inspect

Returns Pixohub's measured result for converting between two image formats (e.g. png → webp, heic → jpg): output size change, fidelity (SSIM/PSNR), and whether transparency and EXIF survived.

NameRequiredDescriptionDefault
toYesTarget format.
fromYesSource format, e.g. png, jpg, heic, webp, avif, gif, bmp, tiff, svg, psd.
find_upload_size_limitUpload size limit
Read-only
Inspect

Looks up official file-size and dimension limits for photo/document uploads: email attachments, government exam and visa forms, avatars, marketplaces (e.g. 'Gmail attachment', 'SSC photo', 'Discord avatar', 'US visa photo'). Returns the quoted rule, its source and a compress-to-size tool.

NameRequiredDescriptionDefault
queryYesOrganization and what is being uploaded, e.g. 'Gmail attachment', 'UPSC photo', 'Etsy listing photo'.
get_platform_image_sizePlatform image size
Read-only
Inspect

Recommended image dimensions, aspect ratio, upload limits, cropping and safe zones for a social, video, marketplace or print placement (e.g. 'Instagram story', 'YouTube thumbnail', 'Etsy listing', 'LinkedIn banner'). Returns official-source quotes with check dates where available.

NameRequiredDescriptionDefault
platformYesPlatform name, e.g. Instagram, YouTube, Amazon, LinkedIn.
placementNoWhat the image is for, e.g. story, thumbnail, banner, profile picture, product image.
recommend_image_formatChoose an image format
Read-only
Inspect

Recommends JPG, PNG, WebP, AVIF, SVG or GIF for a given image and destination, with the trade-offs and measured size change from Pixohub's conversion tests.

NameRequiredDescriptionDefault
contentYesWhat the image is.
destinationYesWhere it will be used.
transparencyNoDoes it need a transparent background?
current_formatNoThe format it is in now (jpg, png, heic, webp…), to get a conversion link and our measured result.

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections.

  1. 5 tool updates
    • First observedcompression_advice
    • First observedconversion_test_result
    • First observedfind_upload_size_limit
    • First observedget_platform_image_size
    • First observedrecommend_image_format

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