PDF/UA accessibility check (veraPDF) with measured auto-fix
io.github.nyo-agentti/pdfua-checknyo-agenttistreamable-httpv1.0.0Scanned
Check PDFs against PDF/UA-1 with veraPDF; see which failures an automatic fix removes; explain rules
2 tools: 2 only read.
- Reads private data · 0
- Reads text others write · 1
- Can send data out · 1
- No findings
Anlyon alternative
Run the operations that matter as governed actions.
Declare what an action changes, and Anlyon puts it under a shared limit, binds every approval to the exact request, and grades the outcome. It works on any HTTPS API you can describe as an action.
Anlyon does not run, proxy or govern this MCP server. A tool your own code calls directly is not routed through Anlyon and is not governed by it.
Import an OpenAPI spec →Tools
Grouped by what each tool does, most consequential first. Open one for its reasons and full description; descriptions are the publisher's own words.
2 tools
Only reads 2Show 2 read-only tools
check_pdf_accessibilityValidate a PDF against PDF/UA-1 with veraPDF and list every failed rule (rule id, description, number of failed checks, link to a plain-language explanation).Reads text others writeCan send data outNo findings
Why it is in this group
- The description's first verb is "validate": a word for reading.
What it can reach
- untrusted-inputThe server marks it openWorldHint: true: it reaches things outside the server's own data.
- outboundThe input takes a URL (input.url): a request to a URL can carry data to whoever runs it.
Claude Code: ask, because it is tagged outbound.
Description, as the server wrote it Validate a PDF against PDF/UA-1 with veraPDF and list every failed rule (rule id, description, number of failed checks, link to a plain-language explanation). The automatic fix is then run on the file and validated again, so the result also says which failures the fix removes and whether the file then passes — measured on this file, not estimated. Give either 'url' (a public http(s) address of the PDF, max 10 MB) or 'pdf_base64'. The file is not stored and the fixed file is not returned here.
Annotations the server declares
- readOnlyHint: true
- openWorldHint: true
explain_pdfua_ruleExplain a veraPDF PDF/UA-1 rule by id (clause-test, e.g.No findings
Why it is in this group
- The name "explain_pdfua_rule" says "explain": a word for reading.
Description, as the server wrote it Explain a veraPDF PDF/UA-1 rule by id (clause-test, e.g. 7.1-3, 7.3-1, 7.18.5-1, 7.21.4.1-1): what it checks, the veraPDF error message, whether the automatic fix removes it and how to fix it in the authoring tool.
Annotations the server declares
- readOnlyHint: true
- openWorldHint: false
This is not a safety rating, and no finding is not a safety guarantee. The groups and findings come from fixed checks of the tool definitions the server returned on the date shown, not from its code or what it does when called. How the checks work.
Exfil surface
Which tools read private data, which read text someone else can write, and which can send data out. One of each is a path a prompt injection can use.
No private-data, untrusted-input, outbound path in this server alone: no tool is tagged private-data.
- Reads private data0
- Reads files, mail, messages, databases, secrets, calendars or repositories.
- Reads text others write1
- Brings in text someone else can write: web pages, inbound email, messages, issues and comments.
- Can send data out1
- Can carry data to people or systems: it sends, posts or publishes, or takes a recipient, channel or URL.
Other servers in the same agent add their own tools to these paths. Audit your whole setup to see them together.
Findings
Matches of fixed checks, with the text they matched.
No check matched anything in these tool definitions. That is not a safety guarantee.
History
Changes to its tool definitions and to its remote endpoint, newest first.
No change seen yet. Its tools are rescanned every day, and a remote endpoint is looked at once a week.
Install
Pinned to version 1.0.0. Values in angle brackets are yours to fill in.
claude mcp add --transport http pdfua-check https://pdfua-check.onrender.com/mcpclaude mcp add --transport http pdfua-check https://pdfua-check.onrender.com/mcpRun in a terminal.
Claude Code permissions
Allow the reads, ask before a change or a way out, deny the deletes. Paste into .claude/settings.json.
{
"permissions": {
"allow": [
"mcp__pdfua-check__explain_pdfua_rule"
],
"ask": [
"mcp__pdfua-check__check_pdf_accessibility"
],
"deny": []
}
}Tools that only read are allowed, tools that change things ask first, tools that delete or cancel are denied. A read that can send data out (it takes a URL, say) asks first too. It assumes the server is installed as pdfua-check. Review it before you use it.
Capability tags behind 1 rule
- mcp__pdfua-check__check_pdf_accessibility untrusted-input, outbound
Pin
Keep the decision: fail CI when the tools change, follow every change, or show a badge.
Pin in CI
Fail a build when the tools you reviewed are not the tools the server serves today.
curl -s "https://anlyon.dev/api/v1/servers/io.github.nyo-agentti/pdfua-check/verify?hash=45d582b793039fb3176db340cc3f129584864a108849b5e399c380528a604477" | jq -e '.changed == false'Pinned hash 45d582b79303, from Oct 25, 2026, 14:26 UTC.
Watch
Get told when its tools change: a new tool, a new description, a new class.
https://anlyon.dev/servers/io.github.nyo-agentti/pdfua-check/changes.xmlAn Atom feed. Works in any feed reader or Slack's RSS app.
Badge
[](https://anlyon.dev/servers/io.github.nyo-agentti/pdfua-check)Source: MCP Registry. Synced Oct 25, 2026, 14:25 UTC.