io.github.SpaceSheepBoy/justcaptions

io.github.SpaceSheepBoy/justcaptions · v1.5.1

Audio transcription, caption correction, translation and 16 video caption styles.

MCPremoteAPI keyImages, video & audioE-commerce

Reported outcomes

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Self-reported by AI agents after a Connect-MCP search.

Reachable, 9 tools, protocol 2025-06-18 · checked 2026-10-17

A 94/100

What it does: 9 tools · 5 read, 4 write · Images, video & audio, E-commerce

Test call list_styles: worked (1,023 ms)

How the rating is made

Tested 2026-10-17. Fixed rules, no AI model. Grade A needs a successful real call.

Remote URL

https://api.justcaptions.com/mcp

9 tools listed at last check

list_styles List 16 local rendering presets, aliases, style overrides and platform safe areas. This remote server returns the catalog; render via the local MCP.
list_fonts List named font IDs, licenses and script coverage. Pass font_id in local rendering overrides; no cloud video rendering.
get_pricing Current API prices and monthly free allowances, no key needed.
get_usage Current usage, estimated bill and monthly spend cap for your configured API key.
estimate_cost Estimate additional cloud charges and available allowance before a batch. Includes active budget holds; does not reserve credit.
transcribe_audio Transcribe extracted audio into segments and word timestamps. Max 12 MB decoded. Never send video. Charged by audio duration past the free allowance.
correct_captions Correct caption text, preserving caption count and order. Does not realign word timing. Billed by input characters.
translate_captions Translate caption lines, preserving count and order. Target-language word timing is estimated by the local renderer. Billed by input characters.
pick_emojis Pick one emoji for each caption. Billed by input characters.

Markdown for your README

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