MCPLow riskUnclaimed
HiddenContent
Check a document for hidden text before your agent reads it. PDF, Office, RTF, HTML.
hiddencontent.aihiddencontent.ai/mcp
server.json
{
"$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
"name": "ai.hiddencontent/mcp",
"description": "Check a document for hidden text before your agent reads it. PDF, Office, RTF, HTML.",
"title": "HiddenContent",
"repository": {
"url": "https://github.com/AeroSpark-ai/hidden-content-service",
"source": "github",
"subfolder": "packages/mcp"
},
"version": "0.4.15",
"websiteUrl": "https://hiddencontent.ai/start?ref=mcp-registry",
"packages": [
{
"registryType": "npm",
"identifier": "@hiddencontent/mcp",
"version": "0.4.15",
"transport": {
"type": "stdio"
},
"environmentVariables": [
{
"description": "API token for the HiddenContent service. Get one at https://hiddencontent.ai/start?ref=mcp-registry — the server refuses to start without it and says so.",
"isRequired": true,
"isSecret": true,
"name": "HCS_API_TOKEN"
},
{
"description": "Base URL of the service. Defaults to the hosted API; set it only when pointing at a self-hosted instance.",
"name": "HCS_URL"
},
{
"description": "Comma-separated list of what your agent can actually do. The only accepted values are `tool-use`, `network-egress` and `code-execution`. These turn on the checks for concealed text that instructs a model to call a tool, send data or run code — declaring more can raise severity and never lowers it, and declaring nothing leaves those checks inert. Defaults to `tool-use` in the bundle install.",
"name": "HCS_CAPABILITIES"
}
]
},
{
"registryType": "mcpb",
"identifier": "https://github.com/AeroSpark-ai/hiddencontent-mcp/releases/download/v0.4.15/hiddencontent.mcpb",
"fileSha256": "b206ded6795cf40f367a4ab7617a0b9fdfa1bdf46b7d40d3ac784c91eaef3005",
"transport": {
"type": "stdio"
},
"environmentVariables": [
{
"description": "API token for the HiddenContent service. Get one at https://hiddencontent.ai/start?ref=mcp-registry — the server refuses to start without it and says so.",
"isRequired": true,
"isSecret": true,
"name": "HCS_API_TOKEN"
},
{
"description": "Base URL of the service. Defaults to the hosted API; set it only when pointing at a self-hosted instance.",
"name": "HCS_URL"
},
{
"description": "Comma-separated list of what your agent can actually do. The only accepted values are `tool-use`, `network-egress` and `code-execution`. These turn on the checks for concealed text that instructs a model to call a tool, send data or run code — declaring more can raise severity and never lowers it, and declaring nothing leaves those checks inert. Defaults to `tool-use` in the bundle install.",
"name": "HCS_CAPABILITIES"
}
]
}
],
"remotes": [
{
"type": "streamable-http",
"url": "https://api.hiddencontent.ai/v1/mcp"
}
]
}Permissions
DeclaredDetected
Runs code—
bundlenodeInstalls—
npm:@hiddencontent/mcp@0.4.15mcpb:https://github.com/AeroSpark-ai/hiddencontent-mcp/releases/download/v0.4.15/hiddencontent.mcpbRuns install scripts—None
Network
api.hiddencontent.aiapi.hiddencontent.aiNeeds credentials
HCS_API_TOKENHCS_API_TOKENOutside the workspace—None
Agent tools—None
Checks
Low risk · Nothing worth a warning was found.
Not reviewed by a person · Checked by rules; the model review is not switched on yet.
Versions
- #10.4.15latestOct 7, 2026
HiddenContentOpen in Codeg