Justcaptions
Audio transcription, caption correction, translation and 16 video caption styles.
Connector by SpaceSheepBoy · GitHub account verified by the MCP Registry
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/mcpRemote (HTTP)
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About
Reviews
Write a reviewNo 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_costget_pricingget_usagelist_fontslist_styles
Write 4 · Create, change, send or run things.
correct_captionspick_emojistranscribe_audiotranslate_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_captionsCorrect caption text, preserving caption count and order. Does not realign word timing. Billed by input characters.
estimate_costread-onlyEstimate additional cloud charges and available allowance before a batch. Includes active budget holds; does not reserve credit.
get_pricingread-onlyCurrent API prices and monthly free allowances, no key needed.
get_usageread-onlyCurrent usage, estimated bill and monthly spend cap for your configured API key.
list_fontsread-onlyList named font IDs, licenses and script coverage. Pass font_id in local rendering overrides; no cloud video rendering.
list_stylesread-onlyList 16 local rendering presets, aliases, style overrides and platform safe areas. This remote server returns the catalog; render via the local MCP.
pick_emojisPick one emoji for each caption. Billed by input characters.
transcribe_audioTranscribe extracted audio into segments and word timestamps. Max 12 MB decoded. Never send video. Charged by audio duration past the free allowance.
translate_captionsTranslate 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
- Website
- justcaptions.com/agents/
- 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)