"An explanation or resources about vectors (mathematics, physics, programming, or graphics)" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Sourced carbon emission factors + audit-traced calculations an AI can cite.
Measured share of answer for 24 crypto and Web3 brands. An open dataset, not an audit of your site.
Measured share of answer for 20 SaaS brands. An open dataset, not an audit of your site.
Source-backed timelines of long-running events in tech, the US economy and gaming. Every dated entry carries the page it was taken from and a verbatim quote, re-checked against that page before publication. Six read-only tools, no auth: list_timelines, get_timeline (with since= for what changed), get_entry (the quote and source to cite), get_party (one company, person or regulator across every timeline), search_entries and upcoming. Results carry entry URLs and name the outlet each quote came fr
China supplier due diligence for AI agents: verify Chinese company identity/USCC, procurement and regulatory evidence, and source provenance. Free resolver; Basic $0.002 and Full $0.01 via x402 on Base USDC. No signup or API key. Limited to configured official/open datasets.
Search US product recalls (FDA, USDA, CPSC) via MCP. Free API keys or $0.025 USDC/call on Base via x402. Tools: search_product_recalls, search_product_recalls_by_upc, search_product_recalls_from_image. Docs: https://recallkitchen.com/docs/ GitHub: https://github.com/Recall-Kitchen/rk-mcp
Read-only breach intel, full history 2007-today: reports THAT an org was breached, never the data.
CLSTR reads 100,000+ articles a day from 40,000+ sources in 170+ countries and deduplicates them into single events, then links related events into ongoing situations with a maintained summary and a full timeline. An agent can answer what has happened over the last six weeks, not just what a single headline says right now.
Rank CS/AI/ML papers by citations, forecast impact, or code adoption; trace 23.2M citation edges.
Check one French company by name or SIREN and get its Nogogo A-E reliability grade for free.
Query FDA data on drugs, food, devices, and recalls via openFDA. STDIO or Streamable HTTP.
Search U.S. FDA, USDA FSIS, and CPSC recalls, fetch one, or diff since a date. API key or x402.
Read, search and edit Smartipedia, an open AI-native encyclopedia. No API key, no signup.
Romanian company register: identity, filed financials, procurement, court records by name or CUI.
Global scheduled passenger flight routes: which exist, direct or connecting, and days flown.
A fault code, a VIN, or a recall — answered from public NHTSA and standards data.
US recalls MCP: free API key/signup or x402 $0.025 Base; some tools need key; verify↑limits
Public, zero-auth, read-only access to Gkmex used-crane inventory.
Cited news briefs and observed-corpus context. Free public reads; archives $0.10 or seven for $0.50.
Citation-health over a CC0 citation graph: what supports, refutes, or cites a paper. Read-only.