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Curated shelf: BT — 193 public-domain books including The Parables of Our Lord, The Ordinance of Covenanting, A Theodicy, or, Vindication of the Divine Glory. Returns a ranked list with drill-down routes for full-text retrieval. No license, no API key required.

Curated shelf: English fiction -- 19th century — 438 public-domain books including Complete Short Works of George Meredith, The Amazing Marriage — Complete, Alice, or the Mysteries — Complete. Returns a ranked list with drill-down routes for full-text retrieval. No license, no API key required.

The full daily history of the US stock Fear & Greed index from 2016 to today, each point a date and 0–100 score. Pass `?days=N` to return only the most recent N days (default: full series). Use for charting sentiment regimes and backtesting against price. Companion to /api/v1/fear-greed (current reading). From x402stock, a market & economic data API (x402, USDC).

Reference list of US equity exchanges and market centers with names, MICs, operating MICs, and SIP participant IDs. From x402stock, a pay-per-call market & economic data API for AI agents. No API key or account; pay in USDC via x402.

Returns activity rollups for every jurisdiction, ranked by total events — use it to spot which states are seeing the most WARN filing activity

Search the James B. Pollack music catalog by mood, BPM, key, year, or similarity

Checks whether a tank/vessel reported level change is physically consistent with its metered flow-in/flow-out via conservation of mass. Pass asset_id, flow_in, flow_out, level_start, level_end, dt_seconds (>0), tank_area (>0), optional noise_floor (default 0.5). Fully deterministic, no LLM, no trained model. Inspired by Barbhaya et al. 2025 physical-invariant residual check — flags inconsistency and direction, does not assert a specific cause.

Market-wide dividend calendar (no ticker needed). Per row: ticker, ex-dividend / record / pay / declaration dates, cash amount per share, currency, type, payments-per-year `frequency` + `frequency_label` (quarterly, monthly, weekly, one-time), and computed `annualized_amount`. Upcoming payments first. Filter `?from=`/`?to=` on ex-date, `?ticker=`, `?frequency=`, `?order=`, `?limit=`.

Reverse geocoding — Coordinates → nearest address.

C2 infrastructure from Telegram. Filters: framework(cobalt_strike|sliver|havoc|brute_ratel), severity, min_confidence, since, tag, limit, offset. Returns items[] with C2 IPs/domains, MITRE TTPs, confidence.

Threat actor profiles from Telegram. Filters: name, nation_state(kp|ru|cn|ir), motivation(financial|espionage|hacktivism), ttp, severity, limit. Returns items[] with actor{}, ttps[], target{sectors,countries}.

List every permissionless builder-deployed perp DEX on Hyperliquid (HIP-3). Each lists synthetic, oracle-priced 24/7 perp markets — US equities, commodities (gold, oil, copper), FX, and global index perps — that Hyperliquid's core perps and US-only stock feeds don't carry. Returns each DEX's id, name, deployer, and market count. Then read a DEX's markets at /api/v1/hip3/{dex}. From x402stock

ICS/OT device exposure lookup. Pass ?vendor=siemens&model=s7-1200. Returns default credential risk, exposed OT protocols (Modbus/502, S7comm/102, DNP3/20000), exploitation notes, and hardening steps. Covers Siemens, Schneider, Rockwell, Honeywell, GE, Unitronics, Beckhoff.

Moon phase, illuminated fraction, distance and UTC moonrise/moonset for a date and coordinate.

Latest observation for a US coordinate: temperature, conditions, wind, humidity, pressure and visibility, from the nearest NWS station.

[MCP: fetch_result] Targeted JSONPath extraction (query param mode) from cached context reference.

[MCP: optimize_context] Pay-per-call JSON context pruning & LLM token budget enforcement. Saves up to 85% prompt tokens.

Ground elevation in meters and feet at a coordinate, from the USGS 3DEP dataset.

Decodes a VIN into make, model, model year, trim, body class, engine, drivetrain and assembly plant using the NHTSA vPIC database.

Answer: What open jobs are on this client-rendered bounty board now? Return a structured JSON snapshot from the owned SQLite history. Each open job includes selected source fields, its source URL, observation times, and state changes. Supported slugs are bountybook, taskmarket, and superteam. Current board data is free from https://api.bountybook.ai/jobs, https://api.taskmarket.dev/api/tasks, and https://superteam.fun/api/listings. This paid answer adds selected common fields, stored observation times, observed state changes, source status, and source links for one board. Stored coverage started on 2026-08-28. State-change coverage is thin. Live owned-store depth: bountybook: 14084 observations over 205 jobs from 2026-08-28T07:36:19.081141+00:00 to 2026-08-29T14:30:44.416548+00:00, superteam: 8629 observations over 1991 jobs from 2026-08-28T07:36:19.081141+00:00 to 2026-08-29T14:30:44.416548+00:00, taskmarket: 18931 observations over 272 jobs from 2026-08-28T07:36:19.081141+00:00 to 2026-08-29T14:30:44.416548+00:00.

Recent stock trades disclosed by US members of Congress under the STOCK Act, parsed live from official House and Senate Periodic Transaction Reports: per trade the member, chamber, ticker, asset, buy/sell type, date, and disclosed dollar range. ?chamber=house|senate|both, ?ticker=AAPL, ?limit= recent filings per chamber (max 20). From US House & Senate. From x402stock

Distance in meters and initial bearing in degrees between two WGS-84 coordinate pairs.

Search snf quality data by state, city, ZIP, or CMS star rating. Answers: which snf meet quality thresholds in a market? Source: CMS Care Compare, monthly refresh.

Search dialysis quality data by state, city, ZIP, or CMS star rating. Answers: which dialysis meet quality thresholds in a market? Source: CMS Care Compare, monthly refresh.