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

Read-only probes

MCP server · Payments & trading

Blackwood State

Pay-per-call tools for agents: onchain data, ECB FX rates, text tools. USDC on Base, x402

Checks passed
12 / 22

2 failed · 8 not measured

Median response
299 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
38

Tool definitions returned by this server

Independent monitoring

Health & checks

Status history

Outdated check

Last connection measurement is over 24 hours old. Current availability is unknown.

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 299 ms.

  • Pass
    Valid handshake

    protocolVersion 2025-11-25, serverInfo.name blackwood-state.

  • Pass
    Lists tools

    tools/list returned 38 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 299 ms over 1 samples in 7 days. The bar is 1000 ms. Need at least 5 samples.

  • Not measured
    Consistent (p95)

    95th percentile 299 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

    119 of 123 parameters have a description (97%). 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 2026-10-20T05:50:42.103741Z, within 180 days.

  • Not measured
    Open-source licence

    No GitHub repository to ask about a licence.

Start using Blackwood State

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 blackwood-state https://x402-gateway.blackwoodstate8.workers.dev/mcp

Capabilities

Tools 38

blackwood_airport_delays

Use when you need airport delays, FAA ground stops or the airport status of a US airport right now, such as departure delays or closures. Do not use for the status of a flight number, airports outside the US or historical delays. Returns JSON with current US airport delays from the FAA: ground stops, ground delay programs with average and maximum delay, arrival and departure delays and closures, for all airports or one for 0.007 USDC per call. Typical response time 1500 ms (p95). Category: Data.

Discovered
blackwood_altcoin_discovery

Use when you need altcoin discovery, new token listings or fresh Base tokens with real liquidity to research. Do not use for established coins, other chains or DEXs, price history, trading signals or token safety audits. Returns JSON with new tokens on Base that just got liquidity: Uniswap v3 pools created in the last hours against WETH or USDC, read on-chain from pool creation events, with price, depth and age for 0.003 USDC per call. Typical response time 3000 ms (p95). Category: Trading.

Discovered
blackwood_audio_transcribe

Use when you need speech to text transcription or translation of an audio file at a public URL. Do not use for audio over 10 MB or speaker labels. Returns JSON with a Whisper transcription of an audio file: text, timed segments and language, or an English translation for 0.005 USDC per megabyte, up to 0.05 USDC per call (clients without upto pay the cap). Result in the same call (about 20000 ms); a status tool polls for free if it takes longer. Category: Media.

Discovered
blackwood_audio_transcribe_status

Free. Status and result of a job created by blackwood_audio_transcribe. Poll until done is true.

Discovered
blackwood_company_dossier

Use when you need company research, due diligence or a quick analysis of a business from its website domain and optional ticker. Do not use for private financials, credit scores, people search or businesses without a website. Returns JSON with a company research dossier in one call: domain registration and DNS, email and website security, latest news and, with a ticker, SEC financials, priced below the separate calls for 0.03 USDC per call. Typical response time 8000 ms (p95). Category: Data.

Discovered
blackwood_credits_balance

Use this when you call Blackwood State tools many times and want to pay once: returns the prepaid credit balance of the API key sent as Authorization: Bearer on this MCP connection, recent debits and the top-up packs (pay once via x402, then every tool call debits the balance with no payment signature). Free. Category: Infrastructure.

Discovered
blackwood_crypto_news

Use when you need crypto news or crypto market news headlines about a token or the market from recent articles. Do not use for prices, full article text, social media posts or news older than 72 hours. Returns JSON with the latest crypto news headlines from the last 72 hours (title, link, source, time, tone, people and organizations) about bitcoin, ethereum and blockchain news, from the GDELT news graph for 0.005 USDC per call. Typical response time 1500 ms (p95). Category: Search.

Discovered
blackwood_domain_intel

Use when you need a domain lookup, whois, dns records or certificate transparency data for osint, security or due diligence. Do not use for historical whois, registrant personal data (redacted by registries) or port and vulnerability scans. Returns JSON with domain intelligence: WHOIS/RDAP registration, DNS records (A, AAAA, MX, NS, TXT, CAA), SPF and DMARC, and TLS certificates from certificate transparency logs for 0.02 USDC per call. Typical response time 4000 ms (p95). Category: Data.

Discovered
blackwood_email_batch

Use when you need bulk email validation, email list verification or to verify email lists before a send or import. Do not use for one address (email-check is cheaper), proving a mailbox exists (no SMTP probe) or sending email. Returns JSON checking up to 20 email addresses in one call: syntax, MX records, disposable, free and role flags, SPF, DMARC and a verdict each, plus counts by verdict for 0.02 USDC per call. Typical response time 2500 ms (p95). Category: Data.

Discovered
blackwood_email_check

Use when you need email validation, to verify email addresses or validate email syntax and MX records before sending or signup. Do not use for confirming that the mailbox itself exists (no SMTP probe is done) or sending email. Returns JSON with email verification of one address: syntax, domain MX records, disposable, free and role-account flags, SPF and DMARC, and a verdict on whether the domain can receive mail for 0.005 USDC per call. Typical response time 800 ms (p95). Category: Data.

Discovered
blackwood_ens_lookup

Use when you need to resolve an ENS name to an address, reverse-resolve an address to its ENS name, or read an ENS avatar and profile records. Do not use for registering or renewing names, or non-ENS naming such as Solana SNS. Returns JSON with an ENS lookup on Ethereum in one call: the address of a name, the verified primary name of an address (reverse), the avatar and text records such as url, twitter and github for 0.003 USDC per call. Typical response time 2000 ms (p95). Category: Data.

Discovered
blackwood_fx_history

Use when you need historical exchange rates, a historical FX rate series, forex history or a currency trend. Do not use for rates older than 90 days, live quotes or crypto (one ECB rate per business day). Returns JSON with historical exchange rates: 90 days of daily ECB euro reference rates (free at ecb.europa.eu) for up to 10 currencies, rebased to any base as cross rates, with min, max and percent change for 0.005 USDC per call. Typical response time 1500 ms (p95). Category: Data.

Discovered
blackwood_fx_rates

Use when you need currency exchange rates, fx rates or forex conversion of an amount between two currencies like EUR and GBP. Do not use for live trading quotes, intraday or crypto rates (ECB rates update once per business day). Returns JSON with currency exchange rates: official ECB euro reference FX rates (free at ecb.europa.eu) for about 30 currencies, rebased to any base as cross rates, with optional conversion for 0.005 USDC per call. Typical response time 1500 ms (p95). Category: Data.

Discovered
blackwood_gas_fees

Use when you need the current gas price, an ethereum gas fee estimate before a transaction, or to compare gas fees across chains. Do not use for gas units of a given transaction, gas history or chains beyond Ethereum, Base and Solana. Returns JSON with the gas price and gas fees on Ethereum and Base (base fee, slow, standard and fast EIP-1559 fees in gwei, transfer cost) plus Solana priority fees for 0.002 USDC per call. Typical response time 1500 ms (p95). Category: Data.

Discovered
blackwood_headers_audit

Use when you need an http security headers audit of a website or URL, with a grade and what to fix. Do not use for vulnerability scans, TLS cipher analysis or pages behind a login. Returns JSON auditing the HTTP security headers of a public URL (HSTS, CSP, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, Permissions-Policy, cookies) with a grade and fixes for 0.007 USDC per call. Typical response time 2500 ms (p95). Category: Infrastructure.

Discovered
blackwood_image_generate

Use when you need image generation, an AI image generator or text to image from a prompt for illustrations, mockups or social posts. Do not use for image edits, specific sizes, photos of real people or more than one image per call. Returns JSON with an AI-generated image from a text prompt: a 1024x1024 JPEG made by FLUX.1 schnell on Workers AI, as base64 for 0.03 USDC per call. Result in the same call (about 10000 ms); a status tool polls for free if it takes longer. Category: Media.

Discovered
blackwood_image_generate_status

Free. Status and result of a job created by blackwood_image_generate. Poll until done is true.

Discovered
blackwood_llm_chat

Use when you need an llm chat completion for summaries, extraction or classification from a cheap open model. Do not use for frontier models, tool calling or streaming. Returns JSON with a chat completion from IBM Granite 4.0 Micro on Workers AI, with token usage for 0.002 USDC per thousand tokens, up to 0.03 USDC per call (clients without upto pay the cap). Result in the same call (about 8000 ms); a status tool polls for free if it takes longer. Category: Inference.

Discovered
blackwood_llm_chat_status

Free. Status and result of a job created by blackwood_llm_chat. Poll until done is true.

Discovered
blackwood_news_briefing

Use when you need a news briefing, a research summary of recent coverage or an analysis of what the press says about a topic or company. Do not use for breaking news, paywalled pages or one known article (use blackwood_webpage_markdown). Returns JSON with a research briefing on a topic in one call: up to 3 recent GDELT news articles, each read and summarized, with source and link, below the price of separate calls for 0.04 USDC per call. Typical response time 15000 ms (p95). Category: Search.

Discovered
blackwood_news_search

Use when you need news articles or headlines from the last 72 hours about a topic, company or person. Do not use for full article text, paywalled sources, non-English coverage or news older than 72 hours. Returns JSON with recent news articles matching keywords: headline, URL, source, publish time, authors, tone, image and the people and organizations named, from GDELT for 0.008 USDC per call. Typical response time 600 ms (p95). Category: Search.

Discovered
blackwood_pdf_extract

Use when you need to extract text from a pdf, pdf to text or document parsing for an LLM. Do not use for scanned PDFs (no OCR), password-protected files or files over 15 MB. Returns JSON with PDF text extraction: the text of each page (first 20 pages) plus title, author and producer metadata for 0.0025 USDC per page, up to 0.05 USDC per call (clients without upto pay the cap). Result in the same call (about 10000 ms); a status tool polls for free if it takes longer. Category: Data.

Discovered
blackwood_pdf_extract_status

Free. Status and result of a job created by blackwood_pdf_extract. Poll until done is true.

Discovered
blackwood_qrcode_generate

Use when you need a qr code generator for a URL, text, Wi-Fi or payment link as an SVG image. Do not use for reading or decoding an existing QR code, logos, colored codes or PNG output. Returns JSON with a QR code for your text or URL as SVG markup and an SVG data URL, with error correction level and border options, generated by the uqr library for 0.004 USDC per call. Typical response time 500 ms (p95). Category: Media.

Discovered
blackwood_random_generate

Use when you need a random number generator, dice rolls, a coin flip, a uuid or random bytes that no one can predict. Do not use for verifiable on-chain randomness (VRF) or reproducible seeded sequences. Returns JSON with cryptographically secure random values: integers in a range, dice rolls, coin flips, UUIDs or hex bytes, from the Workers Web Crypto CSPRNG for 0.005 USDC per call. Typical response time 500 ms (p95). Category: Infrastructure.

Discovered
blackwood_sec_facts

Use when you need company financials from SEC filings, earnings or fundamentals of a US company by ticker for the last two years. Do not use for quarterly numbers, real-time prices, non-US companies or filings older than two years. Returns JSON with SEC company financials for a US stock ticker from 10-K filings on SEC EDGAR: annual revenue, net and operating income, diluted EPS, cash flow and the balance sheet for 0.02 USDC per call. Typical response time 300 ms (p95). Category: Data.

Discovered
blackwood_speech_synthesize

Use when you need text to speech, tts, a voice audio file or spoken narration of a short text. Do not use for voice cloning, a chosen voice, SSML or audio longer than about two minutes. Returns JSON with text to speech (TTS): your text read aloud as WAV voice audio (base64, 44.1 kHz mono) by MeloTTS on Workers AI, in English, Spanish, French, Chinese, Japanese or Korean for 0.023 USDC per call. Typical response time 8000 ms (p95). Category: Media.

Discovered
blackwood_text_sentiment

Use when you need sentiment analysis, text sentiment or opinion mining of reviews, comments or headlines in English. Do not use for neutral or emotion labels, non-English text or aspect-level sentiment. Returns JSON with sentiment analysis of English text: a positive or negative label with a confidence score, from DistilBERT SST-2 on Workers AI, for one text or a batch of up to 20 for 0.004 USDC per call. Typical response time 1500 ms (p95). Category: Inference.

Discovered
blackwood_text_summarize

Use when you need to summarize text such as an article, notes or a transcript into a short summary. Do not use for uRLs or PDFs (extract the text first), exact quotes or citations. Returns JSON with a concise summary of the plain text you send (up to 20,000 characters): one short paragraph and key bullet points, written by IBM Granite 4.0 Micro on Workers AI for 0.008 USDC per call. Typical response time 8000 ms (p95). Category: Inference.

Discovered
blackwood_text_translate

Use when you need to translate text, a language translation or a text translation of a sentence or paragraph between two languages. Do not use for formatting that must be preserved, certified or legal translation, or speech (transcribe first). Returns JSON with text translation between about 100 languages by Meta M2M100 1.2B on Workers AI: the translated text with the source and target languages used for 0.012 USDC per call. Typical response time 5000 ms (p95). Category: Inference.

Discovered
blackwood_timezone_convert

Use when you need timezone conversion between time zones, the current time in a zone or a utc offset with daylight saving. Do not use for places given only by city or address without an IANA zone name, or dates before 1970. Returns JSON converting a date and time between IANA time zones with daylight saving rules, with UTC offsets, abbreviations and the current time in each zone, from the IANA tz database for 0.003 USDC per call. Typical response time 500 ms (p95). Category: Data.

Discovered
blackwood_token_price

Use when you need a crypto token price or market data for a Base token, quoted from on-chain liquidity. Do not use for tokens that only trade off Base or on other DEXs (Aerodrome is not read), price history or OHLC. Returns JSON with the USD price of a token on Base computed on-chain from its deepest Uniswap v3 pool against USDC or WETH, with pool, fee tier and depth for 0.002 USDC per call. Typical response time 1200 ms (p95). Category: Trading.

Discovered
blackwood_wallet_balances

Use when you need a wallet balance, token balances or the ERC20 balance of an address on Base, read live from the chain. Do not use for ethereum mainnet or other chains, NFTs, transaction history or USD values. Returns JSON with the wallet balance of an address on Base: ETH and ERC20 token balances read on-chain in one block, 21 major tokens plus any you list for 0.003 USDC per call. Typical response time 1200 ms (p95). Category: Data.

Discovered
blackwood_wallet_portfolio

Use when you need a multi-chain wallet balance, a wallet portfolio or wallet transaction history on Ethereum, Base or Solana. Do not use for uSD values, NFTs, DeFi positions, long-tail tokens or chains beyond Ethereum, Base and Solana. Returns JSON with a multi-chain wallet balance and transaction history: native and major-token balances on Ethereum, Base or Solana plus the latest transfers, without airdrop spam for 0.003 USDC per call. Typical response time 3000 ms (p95). Category: Data.

Discovered
blackwood_wallet_value

Use when you need a wallet portfolio value in USD, a wallet net worth or token balances with USD value for a 0x address. Do not use for solana wallets, transaction history, NFTs, DeFi positions or long-tail tokens. Returns JSON with a wallet's USD value on Ethereum and Base in one call: native and major-token balances priced on-chain from Uniswap v3 pools on Base, per-chain totals and the tokens left unpriced for 0.003 USDC per call. Typical response time 5000 ms (p95). Category: Trading.

Discovered
blackwood_weather_forecast

Use when you need a weather forecast, the current weather, temperature, rain or wind for the next hours or days at given coordinates. Do not use for historical weather, severe weather alerts or places given only by name (geocode first). Returns JSON with the weather forecast for a latitude and longitude: hourly temperature, rain and precipitation, wind, humidity and cloud cover for the next days, from MET Norway for 0.003 USDC per call. Typical response time 1500 ms (p95). Category: Data.

Discovered
blackwood_webpage_markdown

Use when you need web page to markdown, url to markdown, to scrape a web page or extract content from a url for an LLM. Do not use for pages that need JavaScript to render, sit behind a login or paywall, or are not HTML (PDFs go to blackwood_pdf_extract). Returns JSON with the clean Markdown of a public web page (URL to Markdown, boilerplate stripped) plus its title, description, language, canonical URL and links for 0.01 USDC per call. Typical response time 2500 ms (p95). Category: Data.

Discovered
blackwood_x402_check

Use when you need an x402 endpoint check or x402 endpoint test, or to validate x402 endpoint listings before paying or integrating. Do not use for actually paying the endpoint, or endpoints behind authentication. Returns JSON with an x402 check of an endpoint without paying: whether it answers 402, its payment options (scheme, network, asset, amount, payTo), Bazaar metadata and problems found for 0.007 USDC per call. Typical response time 2500 ms (p95). Category: Infrastructure.

Discovered

Recent measurements

Probe history

View status
Latest stored probes. Raw probe rows are kept for 14 days.
CheckedResultResponseTools
Connected299 ms38