PDF/UA accessibility check (veraPDF) with measured auto-fix

io.github.nyo-agenttiPublished by GitHub account nyo-agenttiv1.0.0Updated Oct 28, 2026

Check PDFs against PDF/UA-1 with veraPDF; see which failures an automatic fix removes; explain rules

The publisher's own server: check.tattoo: tattoo size and placement guide

VerifiedStreamable HTTPWeb executableFiles & StorageDeveloper Tools

Overview

AI-generated overview

Checks a PDF against PDF/UA-1 with veraPDF, reports failed rules, and measures what an automatic fix removes.

What you can do
  • Validate a PDF against PDF/UA-1 with veraPDF and list every failed rule with rule id, description, failed-check count and an explanation link
  • Re-run the automatic fix on the file and validate again to show which failures it removes and whether the file then passes
  • Explain a single veraPDF PDF/UA-1 rule by id: what it checks, the error message, whether the auto-fix removes it, and how to fix it in the authoring tool
When to use it
Useful when you need to audit a PDF for accessibility compliance, triage which PDF/UA failures are fixable automatically, or look up what a specific veraPDF rule means before editing the source document.
Requirements
Remote streamable HTTP endpoint; no authentication, environment variables or headers declared. Accepts a file or a URL to an online PDF. A check takes roughly 10 to 60 seconds.
Before you install
The server states that files are not stored, but PDFs are uploaded to a third-party hosted endpoint, so avoid confidential documents. The automatic fix modifies the file, so keep the original. Results depend on veraPDF and are not a formal conformance certification.

Installation

In SourceWeft

  1. Open PDF/UA accessibility check (veraPDF) with measured auto-fix in the dashboard and add it to a workspace.
  2. Enable the server for the chats that should use its tools.

Web executable via Streamable HTTP. Remote servers run from the web runtime once configured in a workspace.

Use with an agent

Paste this prompt into Claude Code, Codex, Cursor or another agent — or into SourceWeft chat. The agent reads this server's install guide, shows you its publisher, endpoint and sign-in, and adds it to your client once you agree. Keys never go into a command.

Read https://sourceweft.com/mcp/io.github.nyo-agentti%2Fpdfua-check/install.md and connect the MCP server it describes to my client. Before changing any config, show me its publisher, endpoint and sign-in method and wait for my OK. Never put an API key in a command or in a file I would commit; ask me where it should come from.

Read the install guide the agent follows

Other MCP clients

Add this to your client's mcpServers config.

{
  "mcpServers": {
    "pdf-ua-accessibility-check-verapdf-with": {
      "type": "http",
      "url": "https://pdfua-check.onrender.com/mcp"
    }
  }
}

Tools

2

check_pdf_accessibility

Check a PDF for PDF/UA accessibility

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.

Parametersurllanguagepdf_base64

explain_pdfua_rule

Explain a PDF/UA-1 rule

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.

Parametersrulerequired

Version history

1
  1. v1.0.0LatestOct 26, 2026

Score

83% of the applicable checks met

How complete this listing is, computed from the registry entry, the endpoint and public sources. Not a rating of the server and not a statement that it is safe or working today: reachability is a dated check, and no installs or reviews go into the score.

  • Reached in the last 30 daysRequired25 pts
  • Auth declaredRequired10 pts
  • Tools listedRequired15 pts
  • DescriptionRequired15 pts
  • Logo10 pts
  • Documentation15 pts

    Declare a GitHub repository with a README, or serve resource_documentation in the OAuth protected-resource metadata.

  • LicenseNot applicable

    A hosted service is used under its provider's terms, so no license is expected here. This check is left out of the percentage.

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