Every change Wellknown observed on this MCP server, newest first, with what it was before and what it became. Tool-surface changes carry the definition diff. Nothing here is edited after the fact.
Changed the definition of "entity_resolve"
⟨35 unchanged words⟩ Finland, Czechia, Slovakia, France, UK,Latvia, Estonia on the API and MCP;Latvia; Poland by KRSnumber; Brazil by CNPJ, Singapore, Canadian federal corporations on the API and MCPnumber) and GLEIF, scores the match and links ⟨28 unchanged words⟩
Certificate recorded, valid to 2026-12-31
Authorization not required
npm:@ambolt/mcp (package_npm) — from mcp_registry
Added "company_financials", "funding_rounds_form_d", "sam_gov_opportunities" and 1 more; changed the definition of "base_erc20_balance", "base_token_facts", "base_token_info" and 36 more (39 tools before, 43 now)
⟨17 unchanged words⟩ symbol and formatted amount, read live via eth_call. Read-only: returns data, nothing is changed or sent. Free over MCP (30 requests a minute).
⟨51 unchanged words⟩ bytecode. Facts only: no verdict and no recommendation. Read-only: returns data, nothing is changed or sent. Free over MCP (30 requests a minute).
Added "industry_code_lookup"; changed the definition of "base_erc20_balance", "base_token_facts", "base_token_info" and 35 more (38 tools before, 39 now)
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Base ERC-20 Balance: Token Balance of Any Wallet on Base{"destructiveHint":false,"idempotentHint":true,"openWorldHint":true,"readOnlyHint":true,"title":"Base ERC-20 Balance: Token Balance of Any Wallet on Base"}
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Changed the definition of "brazil_cnpj_lookup" and "entity_resolve"
⟨34 unchanged words⟩ size class, from the Receita Federal opendata.data (served by BrasilAPI). Checks the CNPJ check digits first. Company-level only ⟨11 unchanged words⟩
⟨4 unchanged words⟩ {"description":"One CNPJ, for example 33.000.167/0001-01, 33000167000101 or33000167000101.an alphanumeric CNPJ such as 12.ABC.345/01DE-35.","maxLength":24,"type":"string"} ⟨37 unchanged words⟩
Added "brazil_cnpj_lookup"; changed the definition of "entity_resolve" (37 tools before, 38 now)
⟨35 unchanged words⟩ Finland, Czechia, Slovakia, France, UK,Latvia;Latvia, Estonia; Poland by KRSnumbernumber; Brazil by CNPJ) and GLEIF, scores the match and links ⟨12 unchanged words⟩
⟨11 unchanged words⟩ CZ, SK, FR, GB, LV, EE, PL, BR) to search one register only. Faster and ⟨78 unchanged words⟩
Changed the definition of "entity_resolve"
⟨34 unchanged words⟩ (Norway, Finland, Czechia, Slovakia, France,UK;UK, Latvia; Poland by KRS number) and GLEIF, scores ⟨16 unchanged words⟩
⟨10 unchanged words⟩ FI, CZ, SK, FR, GB, LV, PL) to search one register only. Faster and ⟨78 unchanged words⟩
Unknown → Live
First tool surface recorded: 37 tools (server version 0.1.0)
https://api.ambolt.dev/mcp (mcp_streamable_http) — from mcp_registry, with the record
Showing the latest 12 events. The API returns up to 500 and filters by kind: ?kind=tool_surface_changed
⟨21 unchanged words⟩ via eth_call. Facts only, no price or recommendation. Read-only: returns data, nothing is changed or sent. Free over MCP (30 requests a minute).
⟨31 unchanged words⟩ symbols. Read live from the chain; facts only. Read-only: returns data, nothing is changed or sent. Free over MCP (30 requests a minute).
⟨35 unchanged words⟩ there is no price data and no recommendation. Read-only: returns data, nothing is changed or sent. Free over MCP (30 requests a minute).
⟨58 unchanged words⟩ no e-mail, no individual entrepreneurs (MEI). Read-only: returns data, nothing is changed or sent. Free over MCP (30 requests a minute).
⟨26 unchanged words⟩ provider. Does not confirm that a mailbox exists. Read-only: returns data, nothing is changed or sent. Free over MCP (30 requests a minute).
⟨15 unchanged words⟩ value plus 24-hour average, cleanest and dirtiest times. Read-only: returns data, nothing is changed or sent. Free over MCP (30 requests a minute).
⟨26 unchanged words⟩ prices are normally published around 13:00 CET. Read-only: returns data, nothing is changed or sent. Free over MCP (30 requests a minute).
⟨28 unchanged words⟩ no connection is made to the domain itself. Read-only: returns data, nothing is changed or sent. Free over MCP (30 requests a minute).
⟨17 unchanged words⟩ count, licence links and URL. Bibliographic facts only. Read-only: returns data, nothing is changed or sent. Free over MCP (30 requests a minute).
⟨21 unchanged words⟩ name. Registrant and contact details are not returned. Read-only: returns data, nothing is changed or sent. Free over MCP (30 requests a minute).
⟨37 unchanged words⟩ your warning window. Registrant details are never returned. Read-only: returns data, nothing is changed or sent. Free over MCP (30 requests a minute).
⟨10 unchanged words⟩ dates and recent history. Data only, not advice. Read-only: returns data, nothing is changed or sent. Free over MCP (30 requests a minute).
⟨27 unchanged words⟩ resolvers only; off-chain (CCIP-read) names report resolved=false. Read-only: returns data, nothing is changed or sent. Free over MCP (30 requests a minute).
⟨75 unchanged words⟩ Company-level only: no officers, no sole traders. Read-only: returns data, nothing is changed or sent. Free over MCP (30 requests a minute).
⟨47 unchanged words⟩ "minimum":1,"type":"integer"},"minScore":{"default":0,"description":"Only return candidates with a match score of at least this value (for example 90 for KYB checks that must not accept fuzzy matches). A query with no such candidate comes back as matched: false and is not billed.","maximum":100,"minimum":0,"type":"integer"},"queries":{"description":"Up to 100 queries ⟨49 unchanged words⟩
⟨14 unchanged words⟩ and address where the member state publishes them. Read-only: returns data, nothing is changed or sent. Free over MCP (30 requests a minute).
⟨22 unchanged words⟩ :00 CET on working days; not tradable quotes. Read-only: returns data, nothing is changed or sent. Free over MCP (30 requests a minute).
⟨19 unchanged words⟩ format. Does not check that the account exists. Read-only: returns data, nothing is changed or sent. Free over MCP (30 requests a minute).
⟨61 unchanged words⟩ words. Official EU Vocabularies data, CC BY 4.0. Read-only: returns data, nothing is changed or sent. Free over MCP (30 requests a minute).
⟨26 unchanged words⟩ addresses and LEI registration status. Company-level data only. Read-only: returns data, nothing is changed or sent. Free over MCP (30 requests a minute).
⟨21 unchanged words⟩ date and status. Company-level data only, no persons. Read-only: returns data, nothing is changed or sent. Free over MCP (30 requests a minute).
⟨27 unchanged words⟩ published version. Informational; not a full security audit. Read-only: returns data, nothing is changed or sent. Free over MCP (30 requests a minute).
⟨48 unchanged words⟩ its link tags. Author names are not returned. Read-only: returns data, nothing is changed or sent. Free over MCP (30 requests a minute).
⟨46 unchanged words⟩ for status. Returns a list of concrete issues. Read-only: returns data, nothing is changed or sent. Free over MCP (30 requests a minute).
⟨27 unchanged words⟩ nothing is signed or sent. Not investment advice. Builds or quotes only: nothing is signed or sent by this tool. Free over MCP (30 requests a minute).
⟨43 unchanged words⟩ and do not send transactions. Not investment advice. Builds or quotes only: nothing is signed or sent by this tool. Free over MCP (30 requests a minute).
⟨51 unchanged words⟩ be liquidity pools or exchanges, not individual holders. Read-only: returns data, nothing is changed or sent. Free over MCP (30 requests a minute).
⟨28 unchanged words⟩ listed as null. Data only, not a recommendation. Read-only: returns data, nothing is changed or sent. Free over MCP (30 requests a minute).
⟨36 unchanged words⟩ mint address yourself because many tokens share symbols. Read-only: returns data, nothing is changed or sent. Free over MCP (30 requests a minute).
⟨23 unchanged words⟩ changes per account. Public on-chain data; not advice. Read-only: returns data, nothing is changed or sent. Free over MCP (30 requests a minute).
⟨38 unchanged words⟩ wallets are limited to the most valuable holdings. Read-only: returns data, nothing is changed or sent. Free over MCP (30 requests a minute).
⟨43 unchanged words⟩ a confidence level. Reads one page; respects robots.txt. Read-only: returns data, nothing is changed or sent. Free over MCP (30 requests a minute).
⟨36 unchanged words⟩ a schedule with publishedSince to get new tenders. Read-only: returns data, nothing is changed or sent. Free over MCP (30 requests a minute).
⟨42 unchanged words⟩ OCDS JSON. Buyer organisations only, no contact persons. Read-only: returns data, nothing is changed or sent. Free over MCP (30 requests a minute).
⟨42 unchanged words⟩ are listed with the reason and not charged. Read-only: returns data, nothing is changed or sent. Free over MCP (30 requests a minute).
⟨32 unchanged words⟩ that need a browser, use a rendering tool. Read-only: returns data, nothing is changed or sent. Free over MCP (30 requests a minute).
⟨14 unchanged words⟩ ) Latest months first. Data only, not advice. Read-only: returns data, nothing is changed or sent. Free over MCP (30 requests a minute).
⟨23 unchanged words⟩ 4.0 from Wikipedia contributors and must be attributed. Read-only: returns data, nothing is changed or sent. Free over MCP (30 requests a minute).
Company Financials Search: Norway and Denmark Annual Accounts — Get annual accounts figures for companies from official registers: revenue, operating profit, profit before tax, net profit, total assets, equity, cash and employees per company-year, with currency, reporting period and a link to the filing. Norway (Brønnøysund Regnskapsregisteret) and Denmark (Danish Business Authority XBRL). One schema; company level only; sole proprietorships are skipped. Read-only: returns data, nothing is changed or sent. Free over MCP (30 requests a minute).
Startup Funding Rounds Search: SEC Form D, Official Data — Find recent startup funding rounds from official SEC Form D filings (Regulation D private placements): company, state, industry group, offering amount, amount sold, first sale date, investor count and the filing link. Filter by date, industry, state and size; funds are excluded by default. Company-level only: no officers, directors or other persons are returned. Read-only: returns data, nothing is changed or sent. Free over MCP (30 requests a minute).
SAM.gov Opportunities Search: US Federal Contract Notices — Search US federal contract opportunities and awards from the public SAM.gov daily extract: solicitations, award notices and other notice types with agency, office, NAICS and PSC codes, set-aside, response deadline, place of performance, award number, amount and awardee company, and the notice link. Newest first, no API key and no daily request limit. Contact persons, e-mail addresses, phone numbers and free-text descriptions are not returned. Read-only: returns data, nothing is changed or sent. Free over MCP (30 requests a minute).
US Business Entity Search: Colorado, Connecticut, New York — Look up US companies in official state business registers (Colorado, Connecticut, New York) or list newly formed entities by date: legal name, entity type, status, formation date, state of formation and city, with the source dataset. Official open data, one schema. Company level only: no registered agents, owners, officers, e-mail addresses or street addresses; trade names and sole proprietorships are excluded. Read-only: returns data, nothing is changed or sent. Free over MCP (30 requests a minute).
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Base Token Facts: Owner, Proxy, Pause and Mint Powers{"destructiveHint":false,"idempotentHint":true,"openWorldHint":true,"readOnlyHint":true,"title":"Base Token Facts: Owner, Proxy, Pause and Mint Powers"}
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Base Token Info: Name, Symbol, Decimals, Total Supply{"destructiveHint":false,"idempotentHint":true,"openWorldHint":true,"readOnlyHint":true,"title":"Base Token Info: Name, Symbol, Decimals, Total Supply"}
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Base Transaction Lookup: Status, Fee and Token Transfers{"destructiveHint":false,"idempotentHint":true,"openWorldHint":true,"readOnlyHint":true,"title":"Base Transaction Lookup: Status, Fee and Token Transfers"}
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Base Wallet Balances: ETH and Major Token Holdings{"destructiveHint":false,"idempotentHint":true,"openWorldHint":true,"readOnlyHint":true,"title":"Base Wallet Balances: ETH and Major Token Holdings"}
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Brazil CNPJ Checker: Official Company Record by CNPJ Number{"destructiveHint":false,"idempotentHint":true,"openWorldHint":true,"readOnlyHint":true,"title":"Brazil CNPJ Checker: Official Company Record by CNPJ Number"}
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Disposable Email Checker: Syntax, MX and Role Addresses{"destructiveHint":false,"idempotentHint":true,"openWorldHint":true,"readOnlyHint":true,"title":"Disposable Email Checker: Syntax, MX and Role Addresses"}
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Danish Electricity CO2 Intensity: Latest and Last 24 Hours{"destructiveHint":false,"idempotentHint":true,"openWorldHint":true,"readOnlyHint":true,"title":"Danish Electricity CO2 Intensity: Latest and Last 24 Hours"}
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Danish Electricity Day-Ahead Prices (DK1, DK2, NO2, SE3, SE4){"destructiveHint":false,"idempotentHint":true,"openWorldHint":true,"readOnlyHint":true,"title":"Danish Electricity Day-Ahead Prices (DK1, DK2, NO2, SE3, SE4)"}
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DNS Lookup: A, MX, TXT, NS Records with SPF and DMARC Check{"destructiveHint":false,"idempotentHint":true,"openWorldHint":true,"readOnlyHint":true,"title":"DNS Lookup: A, MX, TXT, NS Records with SPF and DMARC Check"}
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DOI Lookup: Paper Metadata and Citation Counts{"destructiveHint":false,"idempotentHint":true,"openWorldHint":true,"readOnlyHint":true,"title":"DOI Lookup: Paper Metadata and Citation Counts"}
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Domain RDAP Lookup: Registration Dates, Status, Nameservers{"destructiveHint":false,"idempotentHint":true,"openWorldHint":true,"readOnlyHint":true,"title":"Domain RDAP Lookup: Registration Dates, Status, Nameservers"}
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SSL and Domain Expiry Sweep: Renewal Dates for Many Domains{"destructiveHint":false,"idempotentHint":true,"openWorldHint":true,"readOnlyHint":true,"title":"SSL and Domain Expiry Sweep: Renewal Dates for Many Domains"}
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ECB Key Interest Rates: Deposit, Refinancing, Marginal Lending{"destructiveHint":false,"idempotentHint":true,"openWorldHint":true,"readOnlyHint":true,"title":"ECB Key Interest Rates: Deposit, Refinancing, Marginal Lending"}
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ENS Resolve: ENS Name to Address and Address to Primary Name{"destructiveHint":false,"idempotentHint":true,"openWorldHint":true,"readOnlyHint":true,"title":"ENS Resolve: ENS Name to Address and Address to Primary Name"}
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Company Registry Lookup: Name, Domain, ID, LEI to Legal Entity{"destructiveHint":false,"idempotentHint":true,"openWorldHint":true,"readOnlyHint":true,"title":"Company Registry Lookup: Name, Domain, ID, LEI to Legal Entity"}
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EU VAT Number Validator{"destructiveHint":false,"idempotentHint":true,"openWorldHint":true,"readOnlyHint":true,"title":"EU VAT Number Validator"}
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ECB Exchange Rates: Latest and Historical Reference Rates{"destructiveHint":false,"idempotentHint":true,"openWorldHint":true,"readOnlyHint":true,"title":"ECB Exchange Rates: Latest and Historical Reference Rates"}
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IBAN Validator: Checksum, Length and Country Check{"destructiveHint":false,"idempotentHint":true,"openWorldHint":true,"readOnlyHint":true,"title":"IBAN Validator: Checksum, Length and Country Check"}
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LEI Lookup: Legal Entity Identifier by LEI or Company Name{"destructiveHint":false,"idempotentHint":true,"openWorldHint":true,"readOnlyHint":true,"title":"LEI Lookup: Legal Entity Identifier by LEI or Company Name"}
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Nordic Company Lookup: Norway and Finland Registers{"destructiveHint":false,"idempotentHint":true,"openWorldHint":true,"readOnlyHint":true,"title":"Nordic Company Lookup: Norway and Finland Registers"}
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Package Vulnerabilities: Known CVEs for npm and PyPI Versions{"destructiveHint":false,"idempotentHint":true,"openWorldHint":true,"readOnlyHint":true,"title":"Package Vulnerabilities: Known CVEs for npm and PyPI Versions"}
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RSS and Atom Feed Normaliser: One JSON Schema for Any Feed{"destructiveHint":false,"idempotentHint":true,"openWorldHint":true,"readOnlyHint":true,"title":"RSS and Atom Feed Normaliser: One JSON Schema for Any Feed"}
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Sitemap and Robots.txt Doctor: Audit Crawl Files{"destructiveHint":false,"idempotentHint":true,"openWorldHint":true,"readOnlyHint":true,"title":"Sitemap and Robots.txt Doctor: Audit Crawl Files"}
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Solana Swap Quote: Best Route Across DEX Liquidity{"destructiveHint":false,"idempotentHint":true,"openWorldHint":true,"readOnlyHint":true,"title":"Solana Swap Quote: Best Route Across DEX Liquidity"}
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Solana Swap Transaction: Unsigned Swap for Your Wallet{"destructiveHint":false,"idempotentHint":true,"openWorldHint":true,"readOnlyHint":true,"title":"Solana Swap Transaction: Unsigned Swap for Your Wallet"}
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Solana Token Facts: Authorities, Supply, Holder Concentration{"destructiveHint":false,"idempotentHint":true,"openWorldHint":true,"readOnlyHint":true,"title":"Solana Token Facts: Authorities, Supply, Holder Concentration"}
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Solana Token Price: USD Price and 24h Change by Mint{"destructiveHint":false,"idempotentHint":true,"openWorldHint":true,"readOnlyHint":true,"title":"Solana Token Price: USD Price and 24h Change by Mint"}
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Solana Token Search: Mint, Symbol, Verification and Liquidity{"destructiveHint":false,"idempotentHint":true,"openWorldHint":true,"readOnlyHint":true,"title":"Solana Token Search: Mint, Symbol, Verification and Liquidity"}
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Solana Transaction Lookup: Status, Fee, Balance Changes{"destructiveHint":false,"idempotentHint":true,"openWorldHint":true,"readOnlyHint":true,"title":"Solana Transaction Lookup: Status, Fee, Balance Changes"}
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Solana Wallet Balances: SOL and Token Holdings with USD Values{"destructiveHint":false,"idempotentHint":true,"openWorldHint":true,"readOnlyHint":true,"title":"Solana Wallet Balances: SOL and Token Holdings with USD Values"}
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Website Tech Stack Checker: CMS, Framework, CDN, Analytics{"destructiveHint":false,"idempotentHint":true,"openWorldHint":true,"readOnlyHint":true,"title":"Website Tech Stack Checker: CMS, Framework, CDN, Analytics"}
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EU Tender Alerts: Public Procurement by Country and CPV{"destructiveHint":false,"idempotentHint":true,"openWorldHint":true,"readOnlyHint":true,"title":"EU Tender Alerts: Public Procurement by Country and CPV"}
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Tender Feed: EU, UK and US Public Procurement, One Schema{"destructiveHint":false,"idempotentHint":true,"openWorldHint":true,"readOnlyHint":true,"title":"Tender Feed: EU, UK and US Public Procurement, One Schema"}
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URL Metadata: Title, Open Graph, Canonical, Favicon, Feeds{"destructiveHint":false,"idempotentHint":true,"openWorldHint":true,"readOnlyHint":true,"title":"URL Metadata: Title, Open Graph, Canonical, Favicon, Feeds"}
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URL to Markdown: Clean Page Text for LLMs and RAG{"destructiveHint":false,"idempotentHint":true,"openWorldHint":true,"readOnlyHint":true,"title":"URL to Markdown: Clean Page Text for LLMs and RAG"}
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US Treasury Average Interest Rates by Security Type{"destructiveHint":false,"idempotentHint":true,"openWorldHint":true,"readOnlyHint":true,"title":"US Treasury Average Interest Rates by Security Type"}
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Wikipedia Summary: Short Article Extract by Title{"destructiveHint":false,"idempotentHint":true,"openWorldHint":true,"readOnlyHint":true,"title":"Wikipedia Summary: Short Article Extract by Title"}
NACE Code Lookup and Crosswalk: Rev. 2 to 2.1, ISIC — Look up an industry code in NACE Rev. 2.1, NACE Rev. 2 or UK SIC 2007: label in any of 24 EU languages, section, division and group, what the class includes and excludes, the matching codes in the other revision (with a flag when one old class is split across new ones) and ISIC Rev. 4. Search by code or by words. Official EU Vocabularies data, CC BY 4.0.
⟨36 unchanged words⟩ Czechia, Slovakia, France, UK, Latvia,Estonia;Estonia on the API and MCP; Poland by KRS number; Brazil by CNPJ, Singapore, Canadian federal corporations on the API and MCP) and GLEIF, scores the match and links ⟨12 unchanged words⟩
⟨13 unchanged words⟩ FR, GB, LV, EE, PL, BR, SG, CA) to search one register only. Faster and ⟨78 unchanged words⟩
Look up a Brazilian company by its 14-digit CNPJ number (with or without dots, slash and dash): legal name, trade name, legal form, active or closed status, start date, address, CNAE industry code and size class, from the Receita Federal open data. Checks the CNPJ check digits first. Company-level only: no partners, no phones, no e-mail, no individual entrepreneurs (MEI).