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8 clients · secrets stay placeholders

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{
  "mcpServers": {
    "emperor-pdf": {
      "command": "cargo",
      "args": [
        "emperor-pdf",
        "serve",
        "--stdio",
        "--root",
        "--pdfium-dir",
        "--writable"
      ],
      "env": {
        "PDF_WRITABLE": "false"
      }
    }
  }
}

claude mcp add emperor-pdf -e "PDF_WRITABLE=false" -- cargo emperor-pdf serve --stdio --root --pdfium-dir --writable

[mcp_servers.emperor-pdf]
command = "cargo"
args = ["emperor-pdf", "serve", "--stdio", "--root", "--pdfium-dir", "--writable"]
env = { "PDF_WRITABLE" = "false" }

{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "emperor-pdf": {
      "type": "local",
      "command": [
        "cargo",
        "emperor-pdf",
        "serve",
        "--stdio",
        "--root",
        "--pdfium-dir",
        "--writable"
      ],
      "enabled": true,
      "environment": {
        "PDF_WRITABLE": "false"
      }
    }
  }
}

{
  "mcpServers": {
    "emperor-pdf": {
      "command": "cargo",
      "args": [
        "emperor-pdf",
        "serve",
        "--stdio",
        "--root",
        "--pdfium-dir",
        "--writable"
      ],
      "env": {
        "PDF_WRITABLE": "false"
      }
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=emperor-pdf&config=eyJjb21tYW5kIjoiY2FyZ28iLCJhcmdzIjpbImVtcGVyb3ItcGRmIiwic2VydmUiLCItLXN0ZGlvIiwiLS1yb290IiwiLS1wZGZpdW0tZGlyIiwiLS13cml0YWJsZSJdLCJlbnYiOnsiUERGX1dSSVRBQkxFIjoiZmFsc2UifX0%3D"
}

{
  "servers": {
    "emperor-pdf": {
      "type": "stdio",
      "command": "cargo",
      "args": [
        "emperor-pdf",
        "serve",
        "--stdio",
        "--root",
        "--pdfium-dir",
        "--writable"
      ],
      "env": {
        "PDF_WRITABLE": "false"
      }
    }
  }
}

{
  "mcpServers": {
    "emperor-pdf": {
      "command": "cargo",
      "args": [
        "emperor-pdf",
        "serve",
        "--stdio",
        "--root",
        "--pdfium-dir",
        "--writable"
      ],
      "env": {
        "PDF_WRITABLE": "false"
      }
    }
  }
}

extensions:
  "emperor-pdf":
    enabled: true
    name: "emperor-pdf"
    type: stdio
    cmd: "cargo"
    args:
      - "emperor-pdf"
      - "serve"
      - "--stdio"
      - "--root"
      - "--pdfium-dir"
      - "--writable"
    envs:
      "PDF_WRITABLE": "false"
    timeout: 300

This is a local package: the command runs on your machine.

Quality – / 100new

Not scored: fewer than three checks apply, usually because no remote answered a credential-free probe or the server is a local package.

protocoln/a · weight 25

n/a
protocol.modern, protocol.stateless, protocol.transport, protocol.list_ttlno remote answered a protocol handshake (not probed yet, unreachable, or local-only)

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 hygienen/a · weight 30

n/a
tools.descriptions, tools.description_length, tools.schemas, tools.annotations, tools.directory_hints, tools.token_cost, tools.api_dumptool list unknown (behind auth, not probed, or empty)

stabilityn/a · weight 15

n/a
stability.changes, stability.rug_pulltool list unknown

dependenciesn/a · weight 15

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

Tool list unknown · checked 2026-11-07 17:28 UTC

Tool changes

No tool definition changes recorded. A server's first observation is its baseline; later probes record what changes.

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 96 / 100

provenance90

livenessn/a

freshness100

hygiene100

+repository +namespace-matches-repo +website ~liveness-unmeasured +updated-5d-ago

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

Endpoints

package	registry	version	runtime	secrets
`emperor-pdf`	cargo	0.1.3	–

Tools (0)

No tools observed. Local packages are never executed by the registry.

Schemas: list_tools.

Similar MCP servers

More from io.github.yarenty

Official server.json

{
  "name": "io.github.yarenty/emperor-pdf",
  "title": "emperor-pdf",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "version": "0.1.3",
  "packages": [
    {
      "version": "0.1.3",
      "transport": {
        "type": "stdio"
      },
      "identifier": "emperor-pdf",
      "registryType": "cargo",
      "packageArguments": [
        {
          "type": "positional",
          "value": "serve",
          "valueHint": "command",
          "isRequired": true,
          "description": "Run the MCP server."
        },
        {
          "type": "positional",
          "value": "--stdio",
          "valueHint": "stdio",
          "isRequired": true,
          "description": "Speak MCP over stdin/stdout."
        },
        {
          "name": "--root",
          "type": "named",
          "format": "filepath",
          "valueHint": "root_dir",
          "isRequired": true,
          "description": "The only folder the server can see; tool paths are relative to it."
        },
        {
          "name": "--pdfium-dir",
          "type": "named",
          "format": "filepath",
          "valueHint": "pdfium_dir",
          "description": "Folder holding the PDFium library (scripts/fetch-pdfium.sh); without it text falls back to lopdf and rendering is off."
        },
        {
          "type": "positional",
          "value": "--writable",
          "valueHint": "writable",
          "description": "Offer pdf_pages and pdf_create and allow saving rendered pages inside the root folder."
        }
      ],
      "environmentVariables": [
        {
          "name": "PDF_WRITABLE",
          "format": "boolean",
          "default": "false",
          "description": "Same as --writable: true, 1, yes or on offers pdf_pages and pdf_create and allows saving rendered pages; unset, empty, false, 0, no or off keeps the server read-only; any other value is refused at start-up."
        }
      ]
    }
  ],
  "repository": {
    "url": "https://github.com/yarenty/emperor-pdf",
    "source": "github"
  },
  "websiteUrl": "https://github.com/yarenty/emperor-pdf",
  "description": "Read, search and render the PDFs in one folder; merge, extract and create them from Markdown."
}