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8 clients · secrets stay placeholders

JSON (mcpServers)Claude CodeCodexOpenCodeCursorVS CodeGemini CLIGoose

{
  "mcpServers": {
    "justcaptions": {
      "type": "http",
      "url": "https://api.justcaptions.com/mcp",
      "headers": {
        "Authorization": "Bearer ${JUSTCAPTIONS_TOKEN}"
      }
    }
  }
}

claude mcp add --transport http justcaptions https://api.justcaptions.com/mcp --header "Authorization: Bearer ${JUSTCAPTIONS_TOKEN}"

[mcp_servers.justcaptions]
url = "https://api.justcaptions.com/mcp"
bearer_token_env_var = "JUSTCAPTIONS_TOKEN"

{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "justcaptions": {
      "type": "remote",
      "url": "https://api.justcaptions.com/mcp",
      "enabled": true,
      "headers": {
        "Authorization": "Bearer {env:JUSTCAPTIONS_TOKEN}"
      }
    }
  }
}

{
  "mcpServers": {
    "justcaptions": {
      "type": "http",
      "url": "https://api.justcaptions.com/mcp",
      "headers": {
        "Authorization": "Bearer ${JUSTCAPTIONS_TOKEN}"
      }
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=justcaptions&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vYXBpLmp1c3RjYXB0aW9ucy5jb20vbWNwIiwiaGVhZGVycyI6eyJBdXRob3JpemF0aW9uIjoiQmVhcmVyICR7SlVTVENBUFRJT05TX1RPS0VOfSJ9fQ%3D%3D"
}

{
  "servers": {
    "justcaptions": {
      "type": "http",
      "url": "https://api.justcaptions.com/mcp",
      "headers": {
        "Authorization": "Bearer ${JUSTCAPTIONS_TOKEN}"
      }
    }
  }
}

{
  "mcpServers": {
    "justcaptions": {
      "httpUrl": "https://api.justcaptions.com/mcp",
      "headers": {
        "Authorization": "Bearer ${JUSTCAPTIONS_TOKEN}"
      }
    }
  }
}

extensions:
  "justcaptions":
    enabled: true
    name: "justcaptions"
    type: streamable_http
    uri: "https://api.justcaptions.com/mcp"
    headers:
      "Authorization": "Bearer ${JUSTCAPTIONS_TOKEN}"
    timeout: 300

Placeholders to fill from your own secret store: ${JUSTCAPTIONS_TOKEN}. The registry never accepts secret values.

Quality 88 / 100good

protocol75 · weight 25

warn
protocol.modernnewest supported version is 2025-11-25; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
n/a
protocol.statelessonly applies to 2026-07-28 servers
pass
protocol.transportstreamable HTTP
n/a
protocol.list_ttlonly applies to 2026-07-28 servers

authorizationn/a · weight 15

n/a
auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
n/a
auth.secret_in_urlno templated URL

tool hygiene93 · weight 30

pass
tools.descriptionsevery tool has a description
pass
tools.description_lengthdescriptions are concise
pass
tools.schemasevery tool has an object input schema
pass
tools.annotations9 of 9 tools declare readOnlyHint or destructiveHint
warn
tools.directory_hints4 of 9 tools declare all four hints; missing: list_fonts (openWorldHint); get_pricing (openWorldHint); get_usage (openWorldHint); …
pass
tools.token_costabout 1,106 tokens to load every tool
pass
tools.api_dumptools are not a one-to-one API dump

stability100 · weight 15

pass
stability.changes2 tool changes in 30 days
pass
stability.rug_pullno tool changed its meaning under the same name

dependenciesn/a · weight 15

n/a
deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

9 tools, about 1,106 tokens to load them all · tool set cf4e504cc83b · tools last changed 2026-10-14 · checked 2026-10-20 14:54 UTC

Tool changes

2026-10-14list_styleschangeddescription
before
List 15 local rendering presets, aliases, style overrides and platform safe areas. This remote server returns the catalog; render via the local MCP.
after · 91% of words in common
List 16 local rendering presets, aliases, style overrides and platform safe areas. This remote server returns the catalog; render via the local MCP.
2026-10-07list_fontsadded
List named font IDs, licenses and script coverage. Pass font_id in local rendering overrides; no cloud video rendering.

Full history: list_changes · trend: quality JSON.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 97 / 100

provenance90

liveness99

freshness100

hygiene100

+repository +namespace-matches-repo +website +reachable +uptime-97% +updated-6d-ago

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Endpoints

remote	auth	reachable	uptime 30d	p50	protocol	last ok
`https://api.justcaptions.com/mcp` streamable-http	api_key `${JUSTCAPTIONS_TOKEN}`	yes	97%	299 ms	2025-11-25	2026-10-20

Tools (9)

`correct_captions`	Correct caption text, preserving caption count and order. Does not realign word timing. Billed by input characters.
`estimate_cost`read-only	Estimate additional cloud charges and available allowance before a batch. Includes active budget holds; does not reserve credit.
`get_pricing`read-only	Current API prices and monthly free allowances, no key needed.
`get_usage`read-only	Current usage, estimated bill and monthly spend cap for your configured API key.
`list_fonts`read-only	List named font IDs, licenses and script coverage. Pass font_id in local rendering overrides; no cloud video rendering.
`list_styles`read-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.

Schemas: list_tools.

Similar MCP servers

Official server.json

{
  "name": "io.github.SpaceSheepBoy/justcaptions",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://api.justcaptions.com/mcp",
      "type": "streamable-http",
      "headers": [
        {
          "name": "Authorization",
          "isSecret": true,
          "isRequired": true,
          "description": "Bearer followed by your Just Captions API key"
        }
      ]
    }
  ],
  "version": "1.5.1",
  "repository": {
    "url": "https://github.com/SpaceSheepBoy/justcaptions-skill",
    "source": "github"
  },
  "websiteUrl": "https://justcaptions.com/agents/",
  "description": "Audio transcription, caption correction, translation and 16 video caption styles."
}