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.
Added "enrich_company_by_domain", "extract_webpage_markdown", "find_superfund_sites" and 9 more; changed the definition of "check_token_holders", "check_token_security", "list_data_endpoints" and 1 more (27 tools before, 39 now)
TopCheck holder concentration: top 20 holders by balance for a Solana token, ⟨12 unchanged words⟩ deeper than the rolled-up top-10 percentage in check_token_security. Free sample: https://saylorinnovations.com/api/sample/holders. Costs $0.01.
SecuritySolanaposturetokenforrugariskSolanacheck — is this token:mintsafe to buy? Mint and freeze authority, LP locked %, top-10 holder concentration, RugCheck named risks, a 0-100 security score and a0-100plain-Englishscore.summary. Free sample: https://saylorinnovations.com/api/sample/security. Costs $0.01. Returns the payment requirements and the ⟨14 unchanged words⟩
EverythingEvery currently buyablefromendpointthisinserver:the liveSolanax402tokenmanifest,wallet,withlaunchitsandcurrentmarketdescription,dataprice,withsupportedprices
Search the full Saylor catalog of180+pay-per-call data endpoints (x402, no account or API key):. Solana token rug risk and holder concentration, token prices on 25 chains, ERC-20 balances, academic papers, U.S. case law/statutes/regulations, medicalcodesand HCPCS codes, drug facts, protein function (UniProt), AlphaFold and PDB structures, ClinVar variant significance, Reactome pathways, rare diseases (Orphanet), CVE/exploit intel,predictionPolymarket/Kalshimarketsodds, perp funding rates, stocks and SEC data, web page to markdown ⟨12 unchanged words⟩ data and more. Free. Returns url, example call, a free sample response URL, price and description; then call get_endpoint for payment details.
Company and legal-entity enrichment — Resolve a public company domain into page metadata and candidate GLEIF legal entities with LEI, status and explicit heuristic verification caveats. Results are leads for due diligence, not proof of ownership or authorization. Costs $0.003.
Web page to clean Markdown — Fetch a public URL and extract the main content as clean Markdown with title, author, publication date, canonical URL, links and source metadata. SSRF-guarded, bounded and designed for agent research; private addresses, non-HTML files and error pages are refused before payment. Costs $0.005.
EPA Superfund sites nearby — Find U.S. EPA National Priorities List sites near coordinates or a place, including identifiers, cleanup status, hazard-ranking score, dates, distance and source profiles. Costs $0.002; distances use site reference points and are not a property-safety determination.
Address and place geocoding — Resolve a street address, place name or landmark to ranked coordinates using OpenStreetMap Nominatim. Returns display names, country/region/type, retrieval time, attribution and scope limitations. Costs $0.002; results are not legal boundaries, navigation routes or survey-grade coordinates.
EVM wallet balance snapshot — Read a Base, Ethereum, Arbitrum, Optimism, Polygon or BNB Chain wallet at the live chain head. Returns native balance, requested ERC-20 balances, token metadata and the block number used; this is a point-in-time read, not custody, valuation, proof of reserves or transaction authorization. Costs $0.003.
Cross-exchange perpetual funding rates — Current perpetual-futures funding rates across Hyperliquid, Binance and Bybit observations, with venue intervals, annualized comparisons, open interest filters, spread/arbitrage signals, source provenance and explicit execution-risk warnings. Costs $0.002; returns payment instructions for the live x402 endpoint.
Web page metadata extraction — Extract title, description, Open Graph image/site name, author, publication date, canonical URL and language from a public HTTP(S) page. SSRF-guarded and does not return the full body. Costs $0.001.
USGS/EPA geologic radon potential — Look up area-level geologic radon potential, index, province, geology and EPA screening guidance for a U.S. location. Costs $0.002; this is not a building measurement—any home can have high radon and should be tested.
UN Sustainable Development Goal indicators — Return latest reported headline UN SDG indicators for a country, with indicator series, values, years, units, earliest comparison values, source provenance and disclosure that reporting years vary by indicator. Costs $0.003.
USDA SNOTEL snowpack near a location — Find nearby USDA NRCS SNOTEL stations and return snow-water equivalent, snow depth, water-year precipitation, temperature, distance, daily observation date and percent-of-median context. Costs $0.002; coverage is mountainous western U.S. and Alaska.
Live stock quote — Look up a stock, ETF or index quote with price, change, day and 52-week range, volume, exchange and market timestamp. Yahoo Finance with Nasdaq fallback; exchange delays can apply and unknown symbols are returned as free 404s. Costs $0.002.
EU procurement tender search — Search current notices in TED, the EU official procurement database, returning buyer, title, description, CPV codes, publication date, deadline and source link. Useful for sales-lead and market-intelligence agents; source coverage and filing language vary. Costs $0.003.
Recently observed → Live
Live → Recently observed
Removed "enrich_company_by_domain", "extract_webpage_markdown", "find_superfund_sites" and 9 more; changed the definition of "check_token_holders", "check_token_security", "list_data_endpoints" and 1 more (39 tools before, 27 now)
Check holder concentration: topTop 20 holders by balance for a Solana token ⟨12 unchanged words⟩ deeper than the rolled-up top-10 percentage in check_token_security.Free sample: https://saylorinnovations.com/api/sample/holders.Costs $0.01.
Solana token rug riskSecuritycheckposture
Added "enrich_company_by_domain", "extract_webpage_markdown", "get_evm_wallet_snapshot" and 3 more (33 tools before, 39 now)
Company and legal-entity enrichment — Resolve a public company domain into page metadata and candidate GLEIF legal entities with LEI, status and explicit heuristic verification caveats. Results are leads for due diligence, not proof of ownership or authorization. Costs $0.003.
Web page to clean Markdown — Fetch a public URL and extract the main content as clean Markdown with title, author, publication date, canonical URL, links and source metadata. SSRF-guarded, bounded and designed for agent research; private addresses, non-HTML files and error pages are refused before payment. Costs $0.005.
EVM wallet balance snapshot — Read a Base, Ethereum, Arbitrum, Optimism, Polygon or BNB Chain wallet at the live chain head. Returns native balance, requested ERC-20 balances, token metadata and the block number used; this is a point-in-time read, not custody, valuation, proof of reserves or transaction authorization. Costs $0.003.
Added "find_superfund_sites", "geocode_address", "get_funding_rates" and 3 more; changed the definition of "list_data_endpoints" and "search_endpoints" (27 tools before, 33 now)
EverythingEvery currently buyablefromendpointthisinserver:the liveSolanax402tokenmanifest,wallet,withlaunchitsandcurrent
Changed the definition of "search_endpoints"
Only numbers and dates differ: this server embeds live figures in the definition, so the text moves without the contract changing.
Search the full Saylor catalog of339346 pay-per-call data endpoints (x402, no account or ⟨91 unchanged words⟩
Changed the definition of "search_endpoints"
Only numbers and dates differ: this server embeds live figures in the definition, so the text moves without the contract changing.
Search the full Saylor catalog of270+339 pay-per-call data endpoints (x402, no account or ⟨91 unchanged words⟩
Changed the definition of "search_endpoints"
Only numbers and dates differ: this server embeds live figures in the definition, so the text moves without the contract changing.
Search the full Saylor catalog of240+270+ pay-per-call data endpoints (x402, no account or ⟨91 unchanged words⟩
Certificate recorded, valid to 2026-12-03
Authorization not required
Changed the definition of "search_endpoints"
⟨30 unchanged words⟩ , academic papers, U.S. case law/statutes/regulations, medicalcodesand HCPCS codes, drug facts, protein function (UniProt), AlphaFold and PDB structures, ClinVar variant significance, Reactome pathways, rare diseases (Orphanet), CVE/exploit intel, Polymarket/Kalshi odds, perp funding ⟨43 unchanged words⟩
Changed the definition of "check_token_holders", "check_token_security" and "search_endpoints"
TopCheck holder concentration: top 20 holders by balance for a Solana token, ⟨12 unchanged words⟩ deeper than the rolled-up top-10 percentage in check_token_security. Free sample: https://saylorinnovations.com/api/sample/holders. Costs $0.01.
SecuritySolanaposturetoken
Unknown → Live
First tool surface recorded: 27 tools (server version 1.1.0)
https://saylorinnovations.com/mcp (mcp_streamable_http) — from mcp_registry, with the record
Showing the latest 16 events. The API returns up to 500 and filters by kind: ?kind=tool_surface_changed
Every currentlyEverything buyableendpointfrominthistheserver: livex402Solanamanifesttoken,withwallet,itslaunchcurrentanddescription,marketpricedata,supported paymentwithnetworksprices andpayment-discoveryhowlinks.to pay. Free — call this first to seethe completewhatcatalog.exists.
Search the full Saylor catalog of 180+ pay-per-call data endpoints (x402, no account or API key). Solana token rug risk and holder concentration, token prices on 25 chains, ERC-20 balances,: academic papers, U.S. case law/statutes/regulations, medicaland HCPCScodes,drug facts, protein function (UniProt), AlphaFoldandPDB structures, ClinVar variant significance, Reactome pathways, rare diseasesdrug(Orphanet)facts, CVE/exploit intel,Polymarket/Kalshi odds, perp fundingpredictionratesmarkets, stocks and SEC data, web page to ⟨13 unchanged words⟩ data and more. Free. Returns url, example call, a free sample response URL, price and description; then call get_endpoint for payment details.
Company and legal-entity enrichment — Resolve a public company domain into page metadata and candidate GLEIF legal entities with LEI, status and explicit heuristic verification caveats. Results are leads for due diligence, not proof of ownership or authorization. Costs $0.003.
Web page to clean Markdown — Fetch a public URL and extract the main content as clean Markdown with title, author, publication date, canonical URL, links and source metadata. SSRF-guarded, bounded and designed for agent research; private addresses, non-HTML files and error pages are refused before payment. Costs $0.005.
EPA Superfund sites nearby — Find U.S. EPA National Priorities List sites near coordinates or a place, including identifiers, cleanup status, hazard-ranking score, dates, distance and source profiles. Costs $0.002; distances use site reference points and are not a property-safety determination.
Address and place geocoding — Resolve a street address, place name or landmark to ranked coordinates using OpenStreetMap Nominatim. Returns display names, country/region/type, retrieval time, attribution and scope limitations. Costs $0.002; results are not legal boundaries, navigation routes or survey-grade coordinates.
EVM wallet balance snapshot — Read a Base, Ethereum, Arbitrum, Optimism, Polygon or BNB Chain wallet at the live chain head. Returns native balance, requested ERC-20 balances, token metadata and the block number used; this is a point-in-time read, not custody, valuation, proof of reserves or transaction authorization. Costs $0.003.
Cross-exchange perpetual funding rates — Current perpetual-futures funding rates across Hyperliquid, Binance and Bybit observations, with venue intervals, annualized comparisons, open interest filters, spread/arbitrage signals, source provenance and explicit execution-risk warnings. Costs $0.002; returns payment instructions for the live x402 endpoint.
Web page metadata extraction — Extract title, description, Open Graph image/site name, author, publication date, canonical URL and language from a public HTTP(S) page. SSRF-guarded and does not return the full body. Costs $0.001.
USGS/EPA geologic radon potential — Look up area-level geologic radon potential, index, province, geology and EPA screening guidance for a U.S. location. Costs $0.002; this is not a building measurement—any home can have high radon and should be tested.
UN Sustainable Development Goal indicators — Return latest reported headline UN SDG indicators for a country, with indicator series, values, years, units, earliest comparison values, source provenance and disclosure that reporting years vary by indicator. Costs $0.003.
USDA SNOTEL snowpack near a location — Find nearby USDA NRCS SNOTEL stations and return snow-water equivalent, snow depth, water-year precipitation, temperature, distance, daily observation date and percent-of-median context. Costs $0.002; coverage is mountainous western U.S. and Alaska.
Live stock quote — Look up a stock, ETF or index quote with price, change, day and 52-week range, volume, exchange and market timestamp. Yahoo Finance with Nasdaq fallback; exchange delays can apply and unknown symbols are returned as free 404s. Costs $0.002.
EU procurement tender search — Search current notices in TED, the EU official procurement database, returning buyer, title, description, CPV codes, publication date, deadline and source link. Useful for sales-lead and market-intelligence agents; source coverage and filing language vary. Costs $0.003.
Web page metadata extraction — Extract title, description, Open Graph image/site name, author, publication date, canonical URL and language from a public HTTP(S) page. SSRF-guarded and does not return the full body. Costs $0.001.
Live stock quote — Look up a stock, ETF or index quote with price, change, day and 52-week range, volume, exchange and market timestamp. Yahoo Finance with Nasdaq fallback; exchange delays can apply and unknown symbols are returned as free 404s. Costs $0.002.
EU procurement tender search — Search current notices in TED, the EU official procurement database, returning buyer, title, description, CPV codes, publication date, deadline and source link. Useful for sales-lead and market-intelligence agents; source coverage and filing language vary. Costs $0.003.
Only numbers and dates differ: this server embeds live figures in the definition, so the text moves without the contract changing.
Search the full Saylor catalog of346pay-per-call data endpoints (x402, no account or API key):. Solana token rug risk and holder concentration, ⟨82 unchanged words⟩
EPA Superfund sites nearby — Find U.S. EPA National Priorities List sites near coordinates or a place, including identifiers, cleanup status, hazard-ranking score, dates, distance and source profiles. Costs $0.002; distances use site reference points and are not a property-safety determination.
Address and place geocoding — Resolve a street address, place name or landmark to ranked coordinates using OpenStreetMap Nominatim. Returns display names, country/region/type, retrieval time, attribution and scope limitations. Costs $0.002; results are not legal boundaries, navigation routes or survey-grade coordinates.
Cross-exchange perpetual funding rates — Current perpetual-futures funding rates across Hyperliquid, Binance and Bybit observations, with venue intervals, annualized comparisons, open interest filters, spread/arbitrage signals, source provenance and explicit execution-risk warnings. Costs $0.002; returns payment instructions for the live x402 endpoint.
USGS/EPA geologic radon potential — Look up area-level geologic radon potential, index, province, geology and EPA screening guidance for a U.S. location. Costs $0.002; this is not a building measurement—any home can have high radon and should be tested.
UN Sustainable Development Goal indicators — Return latest reported headline UN SDG indicators for a country, with indicator series, values, years, units, earliest comparison values, source provenance and disclosure that reporting years vary by indicator. Costs $0.003.
USDA SNOTEL snowpack near a location — Find nearby USDA NRCS SNOTEL stations and return snow-water equivalent, snow depth, water-year precipitation, temperature, distance, daily observation date and percent-of-median context. Costs $0.002; coverage is mountainous western U.S. and Alaska.
Search the full Saylor catalog of180+240+ pay-per-call data endpoints (x402, no account or API key): Solana token rug risk and holder concentration, token prices on 25 chains, ERC-20 balances, academic papers, U.S. case law/statutes/regulations, medical codes and drug facts, CVE/exploit intel,predictionPolymarket/Kalshimarketsodds, perp funding rates, stocks and SEC data, web page to markdown ⟨12 unchanged words⟩ data and more. Free. Returns url, example call, a free sample response URL, price and description; then call get_endpoint for payment details.