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Justcaptions

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

Connector by SpaceSheepBoy · GitHub account verified by the MCP Registry

IndexedLicense unknownRemote (HTTP)
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Install

Works with Claude Code, VS Code, Cursor, Windsurf. Read the repository before you give any tool access to your data.

npx agentmarket install connector/spacesheepboy-justcaptions

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

Remote endpoint

  • https://api.justcaptions.com/mcp Remote (HTTP)

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About

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

No reviews yet. Installed it? Reviews come from verified installers only. How reviews work

Permissions

What this server can do and what it asks for, from its tool list and install config. Checked Oct 25, 2026.

Tools
5 read · 4 write · 0 delete
Secrets
1 (API keys, tokens or passwords)
Install scripts
Nothing to install (hosted)
Runs as
Hosted (remote endpoint)

Tools by what they do 9

From the running server's own tool list (tools/list) on Oct 25, 2026.

Read 5 · Look things up without changing anything.

  • estimate_cost
  • get_pricing
  • get_usage
  • list_fonts
  • list_styles

Write 4 · Create, change, send or run things.

  • correct_captions
  • pick_emojis
  • transcribe_audio
  • translate_captions

Secrets and settings it asks for

Secrets: values you paste in that let it act as you.

  • Authorization

Network hosts it talks to 1

  • api.justcaptions.com · found in remote endpoint, install command

Tools (9)

As the server listed them on Oct 25, 2026. Descriptions are the server’s own words; hidden characters are shown as [U+…].

  • correct_captions

    Correct caption text, preserving caption count and order. Does not realign word timing. Billed by input characters.

  • estimate_costread-only

    Estimate additional cloud charges and available allowance before a batch. Includes active budget holds; does not reserve credit.

  • get_pricingread-only

    Current API prices and monthly free allowances, no key needed.

  • get_usageread-only

    Current usage, estimated bill and monthly spend cap for your configured API key.

  • list_fontsread-only

    List named font IDs, licenses and script coverage. Pass font_id in local rendering overrides; no cloud video rendering.

  • list_stylesread-only

    List 16 local rendering presets, aliases, style overrides and platform safe areas. This remote server returns the catalog; render via the local MCP.

  • pick_emojis

    Pick one emoji for each caption. Billed by input characters.

  • 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.

  • translate_captions

    Translate caption lines, preserving count and order. Target-language word timing is estimated by the local renderer. Billed by input characters.

Signals

Stars
0
Forks
0
Open issues
0
Last commit
Oct 7, 2026 (22 days ago)
Last release
Oct 14, 2026 (14 days ago)

From GitHub (fetched Oct 24, 2026).

Details

Registry name
io.github.SpaceSheepBoy/justcaptions
Version
1.5.1
Auth
Bearer token
License
License unknown
First seen
Oct 24, 2026
Last checked
Oct 24, 2026
Cite this page

Justcaptions MCP server. Agent Mart. https://agentmart.dev/connectors/spacesheepboy-justcaptions (last updated 2026-10-24)