"Headroom open-notebook resources" matching MCP connectors:
GET /v1/connectors — MCP directory API referenceMatching Connector Tools:
Agent intake desk for property renovation. Read only, CORS open, fail closed, receipts recompute.
Catch AI-fabricated citations (real DOI + fake title). Retraction, open-access, 10,000+ CSL styles.
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.
MCP server for Brazilian Federal Senate open data (legislative, administrative, e-Cidadania).
Verified brand claims with receipts for agent commerce. Ranking is never paid; the engine is open.
Open AI Visibility Index for crypto and Web3. Weekly share-of-answer measurements for 24 tracked brands across ChatGPT, Perplexity and Gemini, from a frozen versioned prompt panel. Five read-only tools: full index, per-brand lookup, brand list, complete measurement history and methodology. No auth, no API key. Data is CC BY 4.0 with a permanent archive of every weekly snapshot, so any figure can be verified independently.
Open AI Visibility Index for SaaS and AI tools. Weekly share-of-answer measurements for 20 tracked brands across ChatGPT, Perplexity and Gemini, from a frozen versioned prompt panel. Five read-only tools: full index, per-brand lookup, brand list, complete measurement history and methodology. No auth, no API key. Data is CC BY 4.0 with a permanent archive of every weekly snapshot, so any figure can be verified independently.
Resolve scholarly identifiers (DOI, PMID, ISBN, arXiv, ISSN, ADS, WHO IRIS) into citations (10,000+ CSL styles) and exports (BibTeX, RIS, EndNote...), plus retraction, open-access, and citation-fabrication checks. Six tools, anonymous-friendly Streamable HTTP.
Open, verified shop database for AI agents: products, offers, price comparison, trust and coupons.
Open manufacturing and maker facility locations for country and facility-type queries.
The open-source talent graph for humans and AI agents. Find developers.
Read, search and edit Smartipedia, an open AI-native encyclopedia. No API key, no signup.
Search people open to work and fetch their machine-readable cv.json, from any AI assistant.
Voluntary carbon market news and open carbon price data. Read-only, keyless.
Public, zero-auth, read-only access to Gkmex used-crane inventory.
Connect your QI SCD account to AI via Brazil's Open Finance: balances, statements, cards, investment
Connect your Porto Bank account to AI via Brazil's Open Finance: balances, statements, cards, invest
Connect your Méliuz account to AI via Brazil's Open Finance: balances, statements, cards, investment
Normalized official data with provenance, aggregations, insights, free samples and agent access.