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Agent Tools

dev.workers.jbarkules.agent-tools/agent-toolsagent-tools.jbarkules.workers.devstreamable-httpv1.1.0Scanned

x402 agent tools: invoice/PDF extract, OCR, email risk, web to markdown, domain, FX, time

12 tools: 2 do something that can't be undone, 3 change things and 7 only read.

Tools: 0 delete, 2 irreversible, 3 write, 7 read.
  • Reads private data · 0
  • Reads text others write · 4
  • Can send data out · 6
  • No findings

Anlyon alternative

5 of these tools change something. Run those 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.

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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.

12 tools

Can't be undone 2Claude Code: ask
  • file_convertConvert text formats.Can send data outNo findings

    Why it is in this group

    • The name "file_convert" says "convert": a word for a change.
    • The input addresses people (input.to): what it sends cannot be taken back.

    What it can reach

    • outboundThe input takes a destination (input.to): what the tool writes goes there.
    Description, as the server wrote it
    Convert text formats. JSON body {from, to, input}. Pairs: html->markdown, markdown->html, csv->json, json->csv, html->text. Price $0.003 USDC per call via x402.
  • timezone_convertConvert a time between IANA time zones.Can send data outNo findings

    Why it is in this group

    • The name "timezone_convert" says "convert": a word for a change.
    • The input addresses people (input.to): what it sends cannot be taken back.

    What it can reach

    • outboundThe input takes a destination (input.to): what the tool writes goes there.
    Description, as the server wrote it
    Convert a time between IANA time zones. time=ISO local time or 'now'. Price $0.001 USDC per call via x402.
Changes things 3Claude Code: ask
  • email_checkCheck an email address: syntax, MX records, disposable domain, role account, free provider.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    Check an email address: syntax, MX records, disposable domain, role account, free provider. No SMTP probe. Price $0.002 USDC per call via x402.
  • fx_ratesForeign exchange reference rates from the European Central Bank.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    Foreign exchange reference rates from the European Central Bank. Optional symbols (comma list) and date (YYYY-MM-DD). Price $0.001 USDC per call via x402.
  • pdf_to_textExtract text from a PDF at a URL (max 20 MB).Can send data outNo findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.

    What it can reach

    • outboundThe input takes a URL (input.url): a request to a URL can carry data to whoever runs it.
    Description, as the server wrote it
    Extract text from a PDF at a URL (max 20 MB). format=text or markdown. POST raw PDF bytes to /v1/pdf/text/upload. Price $0.005 USDC per call via x402.
Only reads 7Show 7 read-only tools
  • business_daysCount business days between two dates (inclusive), skipping weekends and optional national public holidays (ISO country code).No findings

    Why it is in this group

    • The description's first verb is "count": a word for reading.
    Description, as the server wrote it
    Count business days between two dates (inclusive), skipping weekends and optional national public holidays (ISO country code). Price $0.001 USDC per call via x402.
  • domain_lookupDomain report: registrar, created/expiry dates (RDAP), A/AAAA/MX/NS/TXT records, SPF, DMARC, HTTPS reachability.Reads text others writeNo findings

    Why it is in this group

    • The name "domain_lookup" says "lookup": a word for reading.

    What it can reach

    • untrusted-inputThe description's first sentence says "http": it reads web pages, which anyone can write.
    Description, as the server wrote it
    Domain report: registrar, created/expiry dates (RDAP), A/AAAA/MX/NS/TXT records, SPF, DMARC, HTTPS reachability. Price $0.002 USDC per call via x402.
  • image_ocrRead all text from an image at a URL (PNG/JPEG, max 10 MB).Reads text others writeCan send data outNo findings

    Why it is in this group

    • The description's first verb is "read": a word for reading.

    What it can reach

    • untrusted-inputThe description's first sentence says "read" and "url": it reads web pages, which anyone can write.
    • untrusted-inputThe input takes a URL (input.url), and the tool reads it: it reads web pages, which anyone can write.
    • 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
    Read all text from an image at a URL (PNG/JPEG, max 10 MB). POST raw image bytes to /v1/ocr/upload. Price $0.01 USDC per call via x402.
  • ip_lookupIP address owner network, allocation range, country (RDAP) and reverse DNS.No findings

    Why it is in this group

    • The name "ip_lookup" says "lookup": a word for reading.
    Description, as the server wrote it
    IP address owner network, allocation range, country (RDAP) and reverse DNS. Price $0.002 USDC per call via x402.
  • public_holidaysList national public holidays for a country and year.No findings

    Why it is in this group

    • The description's first verb is "list": a word for reading.
    Description, as the server wrote it
    List national public holidays for a country and year. Price $0.001 USDC per call via x402.
  • url_metadataGet a URL's title, description, Open Graph tags, canonical URL, favicon and final redirect URL.Reads text others writeCan send data outNo findings

    Why it is in this group

    • The description's first verb is "get": a word for reading.

    What it can reach

    • untrusted-inputThe name "url_metadata" says "url": it reads web pages, which anyone can write.
    • untrusted-inputThe description's first sentence says "get" and "url": it reads web pages, which anyone can write.
    • untrusted-inputThe input takes a URL (input.url), and the tool reads it: it reads web pages, which anyone can write.
    • 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
    Get a URL's title, description, Open Graph tags, canonical URL, favicon and final redirect URL. Price $0.001 USDC per call via x402.
  • web_to_markdownFetch a public web page and return its main content as clean markdown.Reads text others writeCan send data outNo findings

    Why it is in this group

    • The description's first verb is "fetch": a word for reading.

    What it can reach

    • untrusted-inputThe name "web_to_markdown" says "web": it reads web pages, which anyone can write.
    • untrusted-inputThe description's first sentence says "fetch" and "web": it reads web pages, which anyone can write.
    • untrusted-inputThe input takes a URL (input.url), and the tool reads it: it reads web pages, which anyone can write.
    • 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
    Fetch a public web page and return its main content as clean markdown. Respects robots.txt. Price $0.002 USDC per call via x402.

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 write4
Brings in text someone else can write: web pages, inbound email, messages, issues and comments.
Can send data out6
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.

All changes to this server

Install

Pinned to version 1.1.0. Values in angle brackets are yours to fill in.

claude mcp add --transport http agent-tools https://agent-tools.jbarkules.workers.dev/mcp
claude mcp add --transport http agent-tools https://agent-tools.jbarkules.workers.dev/mcp

Run 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.

.claude/settings.json
{
  "permissions": {
    "allow": [
      "mcp__agent-tools__domain_lookup",
      "mcp__agent-tools__business_days",
      "mcp__agent-tools__public_holidays",
      "mcp__agent-tools__ip_lookup"
    ],
    "ask": [
      "mcp__agent-tools__email_check",
      "mcp__agent-tools__pdf_to_text",
      "mcp__agent-tools__image_ocr",
      "mcp__agent-tools__file_convert",
      "mcp__agent-tools__web_to_markdown",
      "mcp__agent-tools__url_metadata",
      "mcp__agent-tools__timezone_convert",
      "mcp__agent-tools__fx_rates"
    ],
    "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 agent-tools. Review it before you use it.

Capability tags behind 7 rules
  • mcp__agent-tools__pdf_to_text outbound
  • mcp__agent-tools__domain_lookup untrusted-input
  • mcp__agent-tools__image_ocr untrusted-input, outbound
  • mcp__agent-tools__file_convert outbound
  • mcp__agent-tools__web_to_markdown untrusted-input, outbound
  • mcp__agent-tools__url_metadata untrusted-input, outbound
  • mcp__agent-tools__timezone_convert 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/dev.workers.jbarkules.agent-tools/agent-tools/verify?hash=64e46a256e3580a633449e9d4f911aad18c88ee9ac3c77429ef84a6b6d92f476" | jq -e '.changed == false'

Pinned hash 64e46a256e35, from Oct 22, 2026, 17:18 UTC.

Watch

Get told when its tools change: a new tool, a new description, a new class.

https://anlyon.dev/servers/dev.workers.jbarkules.agent-tools/agent-tools/changes.xml

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Badge

anlyon.dev badge for dev.workers.jbarkules.agent-tools/agent-tools
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Source: MCP Registry. Synced Oct 22, 2026, 18:17 UTC.