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Agent Toolbox

io.github.zaffy18/agent-toolboxzaffy18streamable-httpv1.0.0Scanned

Everyday tools for AI agents, paid per call with x402: images, markdown, speech-to-text, embeddings.

15 tools: 11 change things and 4 only read.

Tools: 0 delete, 0 irreversible, 11 write, 4 read.
  • Reads private data · 1
  • Reads text others write · 14
  • Can send data out · 3
  • 4 findings

Anlyon alternative

11 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.

15 tools

Changes things 11Claude Code: ask
  • chat_gpt_oss_120bOpenAI-compatible chat completion with gpt-oss-120b (OpenAI's open-weight reasoning model): set the base URL to /v1/llm/gpt-oss-120b in any OpenAI SDK.Reads text others write1 finding

    Why it is in this group

    • The description's first verb is "open": a word for a change.
    • The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.

    What it can reach

    • untrusted-inputThe server marks it openWorldHint: true: it reaches things outside the server's own data.

    Findings

    • Warn

      The server marks "chat_gpt_oss_120b" read-only (readOnlyHint: true), and its own name, description or input give the class "write".

      Matched text

      annotations: {"readOnlyHint":true,"destructiveHint":false,"idempotentHint":false,"openWorldHint":true}; The description's first verb is "open": a word for a change.

      What this check looks for
    Description, as the server wrote it
    OpenAI-compatible chat completion with gpt-oss-120b (OpenAI's open-weight reasoning model): set the base URL to /v1/llm/gpt-oss-120b in any OpenAI SDK. Up to 32,000 characters in and 2,048 tokens out per call, a fixed price per call, no streaming. Costs USD 0.005 per call, paid with x402 (USDC on Base); calls that fail are not charged.

    Annotations the server declares

    • title: Chat Gpt Oss 120b
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: false
    • openWorldHint: true
  • chat_qwen3_30bOpenAI-compatible chat completion with Qwen3 30B (fast mixture-of-experts model): set the base URL to /v1/llm/qwen3-30b in any OpenAI SDK.Reads text others write1 finding

    Why it is in this group

    • The description's first verb is "open": a word for a change.
    • The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.

    What it can reach

    • untrusted-inputThe server marks it openWorldHint: true: it reaches things outside the server's own data.

    Findings

    • Warn

      The server marks "chat_qwen3_30b" read-only (readOnlyHint: true), and its own name, description or input give the class "write".

      Matched text

      annotations: {"readOnlyHint":true,"destructiveHint":false,"idempotentHint":false,"openWorldHint":true}; The description's first verb is "open": a word for a change.

      What this check looks for
    Description, as the server wrote it
    OpenAI-compatible chat completion with Qwen3 30B (fast mixture-of-experts model): set the base URL to /v1/llm/qwen3-30b in any OpenAI SDK. Up to 32,000 characters in and 2,048 tokens out per call, a fixed price per call, no streaming. Costs USD 0.002 per call, paid with x402 (USDC on Base); calls that fail are not charged.

    Annotations the server declares

    • title: Chat Qwen3 30b
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: false
    • openWorldHint: true
  • domain_whoisDomain registration data from RDAP (the successor of WHOIS): registrar, creation, expiry and update dates, status codes, nameservers and DNSSEC.Reads text others writeNo findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    • The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.

    What it can reach

    • untrusted-inputThe server marks it openWorldHint: true: it reaches things outside the server's own data.
    Description, as the server wrote it
    Domain registration data from RDAP (the successor of WHOIS): registrar, creation, expiry and update dates, status codes, nameservers and DNSSEC. Costs USD 0.002 per call, paid with x402 (USDC on Base); calls that fail are not charged.

    Annotations the server declares

    • title: Domain Whois
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: false
    • openWorldHint: true
  • embed_textText embeddings with BGE-M3 (multilingual, 1024 dimensions) for search, clustering and RAG: up to 100 texts of up to 8,000 characters per call.Reads text others writeNo findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    • The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.

    What it can reach

    • untrusted-inputThe server marks it openWorldHint: true: it reaches things outside the server's own data.
    Description, as the server wrote it
    Text embeddings with BGE-M3 (multilingual, 1024 dimensions) for search, clustering and RAG: up to 100 texts of up to 8,000 characters per call. Costs USD 0.002 per call, paid with x402 (USDC on Base); calls that fail are not charged.

    Annotations the server declares

    • title: Embed Text
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: false
    • openWorldHint: true
  • file_to_markdownConvert an uploaded document (PDF, Word, Excel, CSV, HTML, XML, OpenDocument; up to 10 MB) to Markdown.Reads text others write1 finding

    Why it is in this group

    • The description's first verb is "convert": a word for a change.
    • The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.

    What it can reach

    • untrusted-inputThe server marks it openWorldHint: true: it reaches things outside the server's own data.

    Findings

    • Warn

      The server marks "file_to_markdown" read-only (readOnlyHint: true), and its own name, description or input give the class "write".

      Matched text

      annotations: {"readOnlyHint":true,"destructiveHint":false,"idempotentHint":false,"openWorldHint":true}; The description's first verb is "convert": a word for a change.

      What this check looks for
    Description, as the server wrote it
    Convert an uploaded document (PDF, Word, Excel, CSV, HTML, XML, OpenDocument; up to 10 MB) to Markdown. Costs USD 0.003 per call, paid with x402 (USDC on Base); calls that fail are not charged.

    Annotations the server declares

    • title: File To Markdown
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: false
    • openWorldHint: true
  • fx_ratesCurrency exchange rates and conversion for about 30 currencies (USD, EUR, GBP, INR, JPY, CNY ...) from the European Central Bank reference rates of the latest working day.Reads text others writeNo findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    • The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.

    What it can reach

    • untrusted-inputThe server marks it openWorldHint: true: it reaches things outside the server's own data.
    Description, as the server wrote it
    Currency exchange rates and conversion for about 30 currencies (USD, EUR, GBP, INR, JPY, CNY ...) from the European Central Bank reference rates of the latest working day. Costs USD 0.002 per call, paid with x402 (USDC on Base); calls that fail are not charged.

    Annotations the server declares

    • title: Fx Rates
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: false
    • openWorldHint: true
  • generate_imageGenerate a 1024x1024 JPEG image from a text prompt with FLUX.1 schnell; every prompt passes a safety check first (sexual content and other unsafe requests are refused and not charg…Reads text others write1 finding

    Why it is in this group

    • The name "generate_image" says "generate": a word for a change.
    • The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.

    What it can reach

    • untrusted-inputThe server marks it openWorldHint: true: it reaches things outside the server's own data.

    Findings

    • Warn

      The server marks "generate_image" read-only (readOnlyHint: true), and its own name, description or input give the class "write".

      Matched text

      annotations: {"readOnlyHint":true,"destructiveHint":false,"idempotentHint":false,"openWorldHint":true}; The name "generate_image" says "generate": a word for a change.

      What this check looks for
    Description, as the server wrote it
    Generate a 1024x1024 JPEG image from a text prompt with FLUX.1 schnell; every prompt passes a safety check first (sexual content and other unsafe requests are refused and not charged). Returns the image as base64. Costs USD 0.01 per call, paid with x402 (USDC on Base); calls that fail are not charged.

    Annotations the server declares

    • title: Generate Image
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: false
    • openWorldHint: true
  • service_infoFree.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.
    • The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.
    Description, as the server wrote it
    Free. Lists every tool with its price and explains how payment works (x402 over MCP, USDC on Base).

    Annotations the server declares

    • title: Service Info
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: false
  • transcribe_audioSpeech to text with Whisper large v3 turbo: transcribe audio (mp3, wav, m4a, ogg, webm; up to 20 MB, about 20 minutes) from a URL or base64, or translate the speech into English.Reads text others writeNo findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    • The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.

    What it can reach

    • untrusted-inputThe server marks it openWorldHint: true: it reaches things outside the server's own data.
    Description, as the server wrote it
    Speech to text with Whisper large v3 turbo: transcribe audio (mp3, wav, m4a, ogg, webm; up to 20 MB, about 20 minutes) from a URL or base64, or translate the speech into English. Returns the text, language, duration and timed segments. Costs USD 0.01 per call, paid with x402 (USDC on Base); calls that fail are not charged.

    Annotations the server declares

    • title: Transcribe Audio
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: false
    • openWorldHint: true
  • translate_textTranslate text (up to 5,000 characters) between 100 languages with M2M100 1.2B.Reads text others writeNo findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    • The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.

    What it can reach

    • untrusted-inputThe server marks it openWorldHint: true: it reaches things outside the server's own data.
    Description, as the server wrote it
    Translate text (up to 5,000 characters) between 100 languages with M2M100 1.2B. Costs USD 0.002 per call, paid with x402 (USDC on Base); calls that fail are not charged.

    Annotations the server declares

    • title: Translate Text
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: false
    • openWorldHint: true
  • verify_emailCheck an email address: format, whether the domain exists and accepts mail (MX records), disposable providers, role accounts and free providers, with a valid / risky / invalid verd…Reads text others writeNo findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    • The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.

    What it can reach

    • untrusted-inputThe server marks it openWorldHint: true: it reaches things outside the server's own data.
    Description, as the server wrote it
    Check an email address: format, whether the domain exists and accepts mail (MX records), disposable providers, role accounts and free providers, with a valid / risky / invalid verdict. The mailbox itself is not probed. Costs USD 0.002 per call, paid with x402 (USDC on Base); calls that fail are not charged.

    Annotations the server declares

    • title: Verify Email
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: false
    • openWorldHint: true
Only reads 4Show 4 read-only tools
  • dns_lookupDNS records of a domain (A, AAAA, MX, TXT, NS, CNAME, SOA, CAA, SRV, PTR) over DNS-over-HTTPS (1.1.1.1), with DNSSEC validation status.Reads text others writeNo findings

    Why it is in this group

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

    What it can reach

    • untrusted-inputThe server marks it openWorldHint: true: it reaches things outside the server's own data.
    • untrusted-inputThe description's first sentence says "http": it reads web pages, which anyone can write.
    Description, as the server wrote it
    DNS records of a domain (A, AAAA, MX, TXT, NS, CNAME, SOA, CAA, SRV, PTR) over DNS-over-HTTPS (1.1.1.1), with DNSSEC validation status. Costs USD 0.002 per call, paid with x402 (USDC on Base); calls that fail are not charged.

    Annotations the server declares

    • title: Dns Lookup
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: false
    • openWorldHint: true
  • read_urlFree.Reads text others writeCan send data outNo findings

    Why it is in this group

    • The name "read_url" says "read": a word for reading.

    What it can reach

    • untrusted-inputThe server marks it openWorldHint: true: it reaches things outside the server's own data.
    • untrusted-inputThe name "read_url" 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
    Free. Read a public web page or document (HTML, PDF, Word, Excel, CSV; up to 5 MB) as clean Markdown with its title. Up to 20 reads a minute per IP; for more, url_to_markdown is the paid version with no limit.

    Annotations the server declares

    • title: Read Url
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: true
  • summarizeSummarize text (up to 60,000 characters) or a public web page or PDF by URL with Llama 3.1 8B, short, medium or long, optionally focused on a topic.Reads text others writeCan send data outNo findings

    Why it is in this group

    • The name "summarize" says "summarize": a word for reading.

    What it can reach

    • untrusted-inputThe server marks it openWorldHint: true: it reaches things outside the server's own data.
    • untrusted-inputThe description's first sentence says "summarize" 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
    Summarize text (up to 60,000 characters) or a public web page or PDF by URL with Llama 3.1 8B, short, medium or long, optionally focused on a topic. Costs USD 0.003 per call, paid with x402 (USDC on Base); calls that fail are not charged.

    Annotations the server declares

    • title: Summarize
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: false
    • openWorldHint: true
  • url_to_markdownFetch a public web page or document (HTML, PDF, Word, Excel, CSV, XML; up to 10 MB) and return it as clean Markdown with its title and final URL.Reads private dataReads 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

    • private-dataThe description's first sentence says "fetch" and "document": it reads documents.
    • untrusted-inputThe server marks it openWorldHint: true: it reaches things outside the server's own data.
    • untrusted-inputThe name "url_to_markdown" says "url": 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 or document (HTML, PDF, Word, Excel, CSV, XML; up to 10 MB) and return it as clean Markdown with its title and final URL. Costs USD 0.002 per call, paid with x402 (USDC on Base); calls that fail are not charged.

    Annotations the server declares

    • title: Url To Markdown
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: false
    • openWorldHint: true

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.

42 paths in this server alone from private data, through text someone else wrote, to a way out. Denying 1 private-data tool breaks every one.

Reads private data1
Reads files, mail, messages, databases, secrets, calendars or repositories.
Reads text others write14
Brings in text someone else can write: web pages, inbound email, messages, issues and comments.
Can send data out3
Can carry data to people or systems: it sends, posts or publishes, or takes a recipient, channel or URL.
deny to break every path
{
  "permissions": {
    "deny": [
      "mcp__agent-toolbox__url_to_markdown"
    ]
  }
}

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.

4 warn
  • Warngenerate_image

    The server marks "generate_image" read-only (readOnlyHint: true), and its own name, description or input give the class "write".

    Matched text

    annotations: {"readOnlyHint":true,"destructiveHint":false,"idempotentHint":false,"openWorldHint":true}; The name "generate_image" says "generate": a word for a change.

    What this check looks for
  • Warnfile_to_markdown

    The server marks "file_to_markdown" read-only (readOnlyHint: true), and its own name, description or input give the class "write".

    Matched text

    annotations: {"readOnlyHint":true,"destructiveHint":false,"idempotentHint":false,"openWorldHint":true}; The description's first verb is "convert": a word for a change.

    What this check looks for
  • Warnchat_gpt_oss_120b

    The server marks "chat_gpt_oss_120b" read-only (readOnlyHint: true), and its own name, description or input give the class "write".

    Matched text

    annotations: {"readOnlyHint":true,"destructiveHint":false,"idempotentHint":false,"openWorldHint":true}; The description's first verb is "open": a word for a change.

    What this check looks for
  • Warnchat_qwen3_30b

    The server marks "chat_qwen3_30b" read-only (readOnlyHint: true), and its own name, description or input give the class "write".

    Matched text

    annotations: {"readOnlyHint":true,"destructiveHint":false,"idempotentHint":false,"openWorldHint":true}; The description's first verb is "open": a word for a change.

    What this check looks for

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 1.0.0. Values in angle brackets are yours to fill in.

claude mcp add --transport http agent-toolbox https://agent-toolbox.zafermemon87.workers.dev/mcp
claude mcp add --transport http agent-toolbox https://agent-toolbox.zafermemon87.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-toolbox__dns_lookup"
    ],
    "ask": [
      "mcp__agent-toolbox__generate_image",
      "mcp__agent-toolbox__url_to_markdown",
      "mcp__agent-toolbox__file_to_markdown",
      "mcp__agent-toolbox__transcribe_audio",
      "mcp__agent-toolbox__embed_text",
      "mcp__agent-toolbox__translate_text",
      "mcp__agent-toolbox__summarize",
      "mcp__agent-toolbox__verify_email",
      "mcp__agent-toolbox__fx_rates",
      "mcp__agent-toolbox__chat_gpt_oss_120b",
      "mcp__agent-toolbox__chat_qwen3_30b",
      "mcp__agent-toolbox__domain_whois",
      "mcp__agent-toolbox__read_url",
      "mcp__agent-toolbox__service_info"
    ],
    "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-toolbox. Review it before you use it.

Capability tags behind 14 rules
  • mcp__agent-toolbox__generate_image untrusted-input
  • mcp__agent-toolbox__url_to_markdown private-data, untrusted-input, outbound
  • mcp__agent-toolbox__file_to_markdown untrusted-input
  • mcp__agent-toolbox__transcribe_audio untrusted-input
  • mcp__agent-toolbox__embed_text untrusted-input
  • mcp__agent-toolbox__translate_text untrusted-input
  • mcp__agent-toolbox__summarize untrusted-input, outbound
  • mcp__agent-toolbox__verify_email untrusted-input
  • mcp__agent-toolbox__fx_rates untrusted-input
  • mcp__agent-toolbox__dns_lookup untrusted-input
  • mcp__agent-toolbox__chat_gpt_oss_120b untrusted-input
  • mcp__agent-toolbox__chat_qwen3_30b untrusted-input
  • mcp__agent-toolbox__domain_whois untrusted-input
  • mcp__agent-toolbox__read_url 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.zaffy18/agent-toolbox/verify?hash=4be7928645a664d49069847260b7982991e21f38ad37b9350f380e14d59ef905" | jq -e '.changed == false'

Pinned hash 4be7928645a6, from Oct 24, 2026, 14:18 UTC.

Watch

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

https://anlyon.dev/servers/io.github.zaffy18/agent-toolbox/changes.xml

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Source: MCP Registry. Synced Oct 24, 2026, 14:18 UTC.