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PDF Slim — PDF Compression for AI

R0· no sign-in

Compress PDFs to exact target sizes (82-93% smaller). Tools: compress_pdf, optimize_pdf, inspect_pdf

v0.1.0 · active · website · descriptor JSON · versions

An agent can connect right now, no human step.Remote endpoint, no authentication, reachable on the last probe.
Quality79good
Trust76of 100
Uptime, 30 days98%
Latency p50365 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "pdfslim": {
      "type": "http",
      "url": "https://api.pdfslim.app/mcp"
    }
  }
}
claude mcp add --transport http pdfslim https://api.pdfslim.app/mcp
[mcp_servers.pdfslim]
url = "https://api.pdfslim.app/mcp"

{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "pdfslim": {
      "type": "remote",
      "url": "https://api.pdfslim.app/mcp",
      "enabled": true
    }
  }
}
{
  "mcpServers": {
    "pdfslim": {
      "type": "http",
      "url": "https://api.pdfslim.app/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=pdfslim&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vYXBpLnBkZnNsaW0uYXBwL21jcCJ9"
}
{
  "servers": {
    "pdfslim": {
      "type": "http",
      "url": "https://api.pdfslim.app/mcp"
    }
  }
}
{
  "mcpServers": {
    "pdfslim": {
      "httpUrl": "https://api.pdfslim.app/mcp"
    }
  }
}
extensions:
  "pdfslim":
    enabled: true
    name: "pdfslim"
    type: streamable_http
    uri: "https://api.pdfslim.app/mcp"
    timeout: 300

Quality 79 / 100good

protocol75 · weight 25
  • warn
    protocol.modernnewest supported version is 2025-06-18; 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 hygiene71 · weight 30
  • pass
    tools.descriptionsevery tool has a description
  • pass
    tools.description_lengthdescriptions are concise
  • pass
    tools.schemasevery tool has an object input schema
  • fail
    tools.annotationsno tool declares readOnlyHint or destructiveHint, so clients cannot tell safe calls from risky ones
  • fail
    tools.directory_hintsno tool declares all four of readOnlyHint, destructiveHint, idempotentHint and openWorldHint; missing: optimize_pdf (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); inspect_pdf (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); compress_pdf (readOnlyHint, destructiveHint, idempotentHint, openWorldHint)
  • pass
    tools.token_costabout 460 tokens to load every tool
  • pass
    tools.api_dumptools are not a one-to-one API dump
stability100 · weight 15
  • pass
    stability.changesno 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

3 tools, about 460 tokens to load them all · tool set 3206d4c63c1c · checked 2026-10-19 10:52 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 76 / 100

no-repository
provenance45
liveness99
freshness85
hygiene80

+website +reachable +uptime-98% ~updated-71d-ago -no-repository

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

Endpoints

remoteauthreachableuptime 30dp50protocollast ok
https://api.pdfslim.app/mcp streamable-httpnoneyes98%365 ms2025-06-182026-10-19

Tools (3)

compress_pdfCompress a PDF file to reduce its size. Renders pages and re-encodes as JPEG, iterating quality/resolution to hit a target size. Use this when a user wants to shrink a PDF (e.g. to 500KB, 1MB, or "smaller"). Free anonymous tier: 20 calls/day per IP, files up to 10MB. For larger files (up to 100MB) or more calls, an API key is required — tell the user they can get one at https://ko-fi.com/yugutou/shop, or point them to the free website https://pdfslim.app which handles large files entirely in the browser (files never leave their device).
inspect_pdfInspect a PDF: page count, file size, password protection. Use before deciding how to process a PDF. Free anonymous tier: 20 calls/day per IP. More calls need an API key (https://ko-fi.com/yugutou/shop).
optimize_pdfLossless PDF optimization: garbage collection, stream re-compression. No quality loss. Good for PDFs with redundant data; effect is small on already-optimized files. Free anonymous tier: 20 calls/day per IP, files up to 10MB. Larger files / more calls need an API key (https://ko-fi.com/yugutou/shop) or the free website https://pdfslim.app.

Schemas: list_tools.

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More from io.github.zhaoyaqi18

Official server.json
{
  "name": "io.github.zhaoyaqi18/pdfslim",
  "title": "PDF Slim — PDF Compression for AI",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://api.pdfslim.app/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "0.1.0",
  "websiteUrl": "https://pdfslim.app/api",
  "description": "Compress PDFs to exact target sizes (82-93% smaller). Tools: compress_pdf, optimize_pdf, inspect_pdf"
}