MCP HeartbeatTHE MCP OBSERVATORY
Public workspace

Explore

Evidence for your next connection.

Independent measurements of remote MCP servers. Every observation has a timestamp.

Read-only probes

MCP server · AI / LLM tooling

Agent Toolbox

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

Checks passed
12 / 22

2 failed · 8 not measured

Median response
75 ms

Median of successful probes over 7 days

30-day uptime
Not measured

Share of countable probes over 30 days, including daily rollups. Auth challenges are excluded.

Discovered tools
24

Tool definitions returned by this server

Independent monitoring

Health & checks

Status history

Responded

The server completed its last measured handshake. This is an observation, not a guarantee.

Last checked
Check summary by test group
Test areaPassedFailedUnmeasured
ConnectionCan a client connect and discover tools?
500
Reliability & speedDoes it respond consistently and quickly?
004
Access & authenticationWhat is required to use this server?
102
Tool qualityAre the tool definitions usable by an agent?
400
Publisher identityCan the publisher be traced to its source?
222

Unmeasured means there is not enough evidence to decide. How these checks work

Inspect individual checks 22 recorded

Core

  • Pass
    Reachable

    Latest probe returned HTTP 200 in 75 ms.

  • Pass
    Valid handshake

    protocolVersion 2025-11-25, serverInfo.name agent-toolbox.

  • Pass
    Lists tools

    tools/list returned 24 tools.

  • Pass
    Current protocol

    Negotiated 2025-11-25. The bar is 2025-06-18 or newer.

  • Pass
    HTTPS

    The endpoint URL is https.

Performance

  • Not measured
    Fast (p50)

    Median latency 75 ms over 1 samples in 7 days. The bar is 1000 ms. Need at least 5 samples.

  • Not measured
    Consistent (p95)

    95th percentile 75 ms over 1 samples in 7 days. The bar is 3000 ms. Need at least 20 samples.

  • Not measured
    Reliable (uptime)

    1 of 1 attempts returned a tool list in 30 days (100%). The bar is 99%. Need at least 30 samples.

  • Not measured
    Stable tool list

    Fewer than two successful probes in 30 days, so tool-list stability is not measured.

Access

  • Pass
    Open access

    tools/list succeeded with no credential, and the record declares none.

  • Not measured
    Standard auth

    Auth is not required, so the OAuth metadata check does not apply.

  • Not measured
    Free tier cited

    No publisher quote has been checked.

Tools

  • Pass
    Tools described

    Every tool description is at least 20 characters.

  • Pass
    Valid input schemas

    Every inputSchema is a JSON Schema object.

  • Pass
    Parameters documented

    53 of 65 parameters have a description (82%). The bar is 80%.

  • Pass
    Safety hints

    Every tool sets readOnlyHint or destructiveHint.

Publisher

  • Pass
    Verified namespace

    Listed in the Official MCP Registry.

  • Not measured
    Website matches publisher

    This namespace is not a reverse domain, so the website comparison does not apply.

  • Fail
    Source repo linked

    No repository URL is on file.

  • Fail
    Repo owner matches

    The GitHub repository owner does not match the namespace login.

  • Pass
    Recently updated

    Updated 2026-10-24T13:56:09.255072Z, within 180 days.

  • Not measured
    Open-source licence

    No GitHub repository to ask about a licence.

Start using Agent Toolbox

Connect to this server

Choose your client, copy the configuration, then enable the server in your client’s MCP settings.

Run this command in your terminal, then restart Claude Code.

Claude Code

claude mcp add --transport http agent-toolbox https://agent-toolbox.zafermemon87.workers.dev/mcp

Capabilities

Tools 24

chat_gpt_oss_120b

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.

Discovered
chat_qwen3_30b

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.

Discovered
company_lei

Full official record of a legal entity by its LEI (Legal Entity Identifier) from GLEIF: legal and other names, registered and head-office addresses, company-register number, legal form, status, founding date, LEI status, and its direct and ultimate parent companies. Costs USD 0.005 per call, paid with x402 (USDC on Base); calls that fail are not charged.

Discovered
company_search

Find companies worldwide by name in the official GLEIF register of legal entities: legal name, LEI, country, registered address, company-register number, legal form and status, best match first, plus matching US-listed companies with ticker and SEC CIK. Costs USD 0.005 per call, paid with x402 (USDC on Base); calls that fail are not charged.

Discovered
company_us

US public company profile from SEC EDGAR by ticker or CIK: industry, exchange, state of incorporation, fiscal year end, address and phone, shares outstanding, latest full-year financials (revenue, net income, assets, liabilities, equity, cash, diluted EPS) and links to the latest 10-K, 10-Q and 8-K filings. Costs USD 0.01 per call, paid with x402 (USDC on Base); calls that fail are not charged.

Discovered
dns_lookup

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.

Discovered
domain_whois

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.

Discovered
embed_text

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.

Discovered
extract_data

Extract structured JSON from a web page, PDF or text: name the fields you want (up to 25, with types) and get each value with the exact quote from the page that states it. Every quote is checked against the page itself (verified, quoted, unverified or not_found), so values are never invented. Charged only when at least one field is found. Costs USD 0.005 per call, paid with x402 (USDC on Base); calls that fail are not charged.

Discovered
extract_free

Free. Extract structured JSON from a web page or text with a checked quote per field (up to 8 fields, Qwen3), 20 a day per IP. extract_data is the paid version: gpt-oss-120b, up to 25 fields, no limit.

Discovered
file_to_markdown

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.

Discovered
fx_rates

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.

Discovered
generate_image

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.

Discovered
read_url

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.

Discovered
screenshot

Screenshot of a public web page in a real headless Chrome after it has loaded (JavaScript included): a JPEG of the visible window or the full page, 320 to 1920 pixels wide, as base64. Costs USD 0.003 per call, paid with x402 (USDC on Base); calls that fail are not charged.

Discovered
service_info

Free. Lists every tool with its price and explains how payment works (x402 over MCP, USDC on Base).

Discovered
stop_watch

Free. Stop a field watch, with the watch_id and secret that watch_field returned.

Discovered
summarize

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.

Discovered
transcribe_audio

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.

Discovered
translate_text

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.

Discovered
url_to_markdown

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. Add render=true for pages that build their content with JavaScript: they are opened in a real headless Chrome first. Costs USD 0.002 per call, paid with x402 (USDC on Base); calls that fail are not charged.

Discovered
verify_email

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.

Discovered
watch_field

Watch one field on a web page for 30 days, e.g. a price, stock status or version number: it is read again every 15 to 1440 minutes and an alert goes to your webhook, Slack, Discord or Telegram when it changes, goes below or above a number, contains a text, or disappears. Returns the current value now; check status or stop it for free with the watch secret. Costs USD 0.10 per call, paid with x402 (USDC on Base); calls that fail are not charged.

Discovered
watch_status

Free. A field watch's status, current value and last 20 alerts, with the watch_id and secret that watch_field returned.

Discovered

Recent measurements

Probe history

View status
Latest stored probes. Raw probe rows are kept for 14 days.
CheckedResultResponseTools
Connected75 ms24