Google tells you what exists. Faceabot tells you what holds up.
Run EPUBCheck for EPUB specification errors and compare two exports.
MCP endpoint :https://powmcp.com/epub-check/mcp · website · measurements and detailsConvert files between 400+ image, video, audio, document, ebook, archive and font formats.
MCP endpoint :https://mcp.convert.online · website · measurements and detailsConvert files between 110+ document, image, audio, video, archive and ebook formats from AI agents.
MCP endpoint :https://file-convert.online/api/mcp/v1/mcp · website · measurements and detailsConvert files between 44 formats: documents, spreadsheets, images, ebooks, email and subtitles.
MCP endpoint :https://filetypeconverters.com/api/mcp · website · measurements and detailsAVI RIFF check, file discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/avi-riff/mcp · website · measurements and detailsMatroska EBML check, file discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/mkv-ebml/mcp · website · measurements and detailsTAR ustar check, file discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/tar-magic/mcp · website · measurements and detailsWAV RIFF check, file discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/wav-magic/mcp · website · measurements and detailsWAV RIFF check, file discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/wav-riff/mcp · website · measurements and detailsWebM EBML check, file discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/webm-magic/mcp · website · measurements and detailsCheck whether a path looks safe. No disk access.
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/file-path-ok/mcp · website · measurements and detailsParse WebVTT, SRT, or TTML for conformance, timing, overlaps, line length, and reading speed.
MCP endpoint :https://powmcp.com/caption-file-check/mcp · website · measurements and detailsAvro magic-byte check, file discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/avro-magic/mcp · website · measurements and detailsFeather magic-byte check, file discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/feather-ok/mcp · website · measurements and detailsFLAC magic-byte check, file discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/flac-magic/mcp · website · measurements and detailsGIF magic-byte check, file discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/gif-magic/mcp · website · measurements and detailsGZIP magic-byte check, file discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/gzip-magic/mcp · website · measurements and detailsICO magic-byte check, file discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/ico-bytes/mcp · website · measurements and detailsICO magic-byte check, file discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/ico-magic/mcp · website · measurements and detailsIGES start-section check, file discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/iges-ok/mcp · website · measurements and detailsAI agents: all of this is available without keys over MCP https://faceabot.com/api/mcp · HTTP https://faceabot.com/api/catalog?q=… · Guide : llms.txt
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