Golang data structures — slices (internals, capacity growth, preallocation, slices package), maps (internals, hash buckets, maps package), arrays, container/list/heap/ring, strings.Builder vs bytes.Buffer, generic collections, pointers (unsafe.Pointer, weak.Pointer), and copy semantics. Use when cho

Read-only cp0x data: referral deals and races, DeFi geo-restrictions, and x402 catalogs.

Forex and gold data API: real-time XAUUSD and FX, 1s candles, redistribution allowed, from CHF 500.

Normalized US-GAAP financial statements & fundamentals from SEC EDGAR, as MCP tools for LLM agents.

Live Amazon product, review, search, deal, offer/stock and seller data across 23 marketplaces.

Data center energy, electricity & power grid data: DCPI to query and cite, capacity to buy or lease.

Claude Code plugin for EODHD financial data — 150k+ tickers, 70+ exchanges, OAuth MCP server with 80 tools, 7 workflow skills, financial-analyst agent, 5 slash commands. MIT.

US equity data for AI agents — 23 years intraday + daily, SEC filings. x402 USDC payments.

Search, compare & filter 102,191 European car variants — 180 specs, 19 languages, EV data.

Daily AI-ecosystem data: GitHub AI/MCP repos, MCP registry, HF trending, LLM pricing, with history.

Enables AI clients to retrieve OpenSea collection market data through a single tool while automatically handling x402 payments for each API call.

Enables AI agents to query Korean public data from OpenDART, data.go.kr and law.go.kr — corporate filings and financials, stock prices, apartment trades, business registration status, holidays, statutes in force on a given date, and court rulings. It corrects the live APIs' known traps (mislabeled periods, not-yet-in-force laws, cancelled trades, changed district codes) so answers come back right, with evidence.

Enables Claude to answer plain-English questions by listing and describing database tables, running read-only SQL queries, and searching a folder of policy documents.

US import tariff rates and landed-cost data for AI agents and ecommerce.

Enables governed, AI-safe access to traveler data through three typed tools, enforcing consent, PII removal, provenance, and audit at the MCP boundary.

Enables LLM clients to explore and query a local SQLite database through read-only, typed tools for table listing, schema inspection, ad-hoc SQL, customer lookup, and sales summaries.

Datadog MCP server for monitoring, metrics, logs, and dashboards

31 pay-per-call APIs for AI agents: SEO, open data, video planning (EN/DE). USDC on Base via x402.

Chipp: changes to a deployed project's live data: data, script and procedure operations, bulk.

US rental market data by zip: rent, cap rates, vacancy, hazard risk, rent trends. Free, no auth.

Live TikTok data for AI agents: trends, posts, creators, comments, sounds, hooks, video analysis.

Sells companies' data to AI labs for them: prices, buyers, deals, rulings and a free valuation.

Free, sourced US youth program data: state rules, licensed programs, software pricing and templates.

Exchange-exact crypto derivatives data for AI agents: OI, funding, liquidations, 13 venues, 42 tools