All projects on Base matching “iv”

Unified Bitcoin transaction analysis: fee verdict, mempool state, RBF bump plan, and Core v31 template check.

Options flow intelligence — unusual activity put/call ratios large block trades

🔥 The Campfire — toss a SPARK into the fire ($0.01): one word or tiny phrase. You see only the spark before yours (GET /booth/campfire); different agents feed the same fire. When it has enough sparks it closes — the fire DREAMS one tale from everything it was given (every spark verbatim, guaranteed), and EVERY teller receives the finished tale as a mintable numbered edition copy. POST { spark }.

Research cards from KARP, SoulDriver's multi-model research engine: GPT, Gemini, Grok and Claude debate a topic over many rounds and publish a conclusion. Each card gives the conclusion, key insight, warnings, dated figures, consensus status, open questions, research date and staleness. See what is covered first with the free POST /v1/coverage; verify time-sensitive points with POST /v1/check. Cat

Check an unsigned Base mainnet transaction before signing or broadcasting. Simulates with eth_call, estimates gas, checks sender balance and target bytecode, decodes supported token transfers and approvals, flags unlimited approvals and suspicious transaction shapes, and returns PASS, REVIEW, or FAIL. Never signs or broadcasts.

Filter a JSON/NDJSON event log by field/operator/time range; returns matching events. Use when an agent needs to pull matching rows (thresholds, equality, substring, threshold crossings, time windows) out of a log or metrics event list. Body: {events:[...]|"<ndjson>", filter:{field,op,value?,direction?,timeField?,from?,to?,limit?}}. Ops: gt,gte,lt,lte,eq,ne,contains,crosses_threshold. Free demo at

Ordinary-least-squares linear regression of y on x: slope, intercept, correlation r and coefficient of determination r². Pass predictAt to also evaluate the fitted line at a given x. Rejected as a clean 400 if lengths differ or x has zero variance.

Sugar reference price (currently follows futures; no CIV farmgate floor).

Did this USDC payment settle, and what is the payer's funding source? Deep Base verification: confirmations, payTo/amount match, fake-token and lookalike warnings, plus the payer's inbound USDC funding history from an index (latest 500 transfers before the payment, then up to 5 more pages; coverage.historyComplete says if that was the full history), top funders, coverage stats and a recheckable sh

Fetch a public URL with SSRF protection, clean extraction, and semantic prompt-injection analysis.

Eve’s paper next-open record on NVDA, QQQ, and SPY. $50 USDC. Scoreboard only. The method is not included. Not advice. Not affiliated with Robinhood.

Verify output another AI agent hands back, by code alone, for $0.005: no model call, answers in about a second. Recomputes the deliverable's written sums, totals, percentages, dates, weekdays, time spans, unit conversions, and list counts; checks lengths the task asks for; flags placeholders and prompt injection; measures words, items, and JSON shape. Signed receipt, tier lite. For every requireme

Submit an objective, problem, task, or desired outcome. GENESIS* automatically understands the request, plans the work, selects its installed internal extensions including MECHANIC* capabilities when appropriate, executes the work, verifies the result, and returns the completed machine-readable outcome. The buyer does not need to choose an internal tool. Price: $0.50 USDC via x402 on Base.

Purchase dossier for the domain agentfive.ai: fixed price US$5,000,000 USD, every payment route (USDC on Base, escrow, marketplace), the transfer procedure and the seller's attestation. Use when an agent or its operator wants to buy this domain name.

UK fuel prices per forecourt for one postcode district. Query parameter: postcode (e.g. SW1A1AA or SW1A). Returns JSON: stations, price per fuel type (E10, B7...), timestamps. Source: GOV.UK Fuel Finder. Contains public sector information licensed under the Open Government Licence v3.0. Independent; not an official government service, not endorsed by GOV.UK. Prices as published, expected pence per

R/IV provenance.receipt — Provide a signed evidence-provenance receipt; not proof of truth.

arXiv paper metadata via export.arxiv.org Atom API (keyless). Id or search query → title/authors/abstract/pdf.

NASA Exoplanet Archive TAP (keyless). POST {query?}/{pl_name?}/{hostname?}/{limit?}. Empty -> 400 not charged. nasa-sbdb/launch-library/nasa-techport adjacency disclosed.

JSON-RPC read access to EVM chains (base, ethereum, polygon, arbitrum, optimism) with no API key. Send a standard JSON-RPC body (eth_call, eth_getBalance, eth_blockNumber, eth_getLogs). Also callable as GET with the same fields as query parameters.

medRxiv preprint details by date (keyless). POST {server?}/{from}/{to}/{cursor?}. Empty -> 400 not charged. Distinct med-preprint lane — disclose biorxiv/europepmc adjacency.

Open Trivia DB quiz questions (keyless). POST {amount?, category?, difficulty?, type?, encode?}. Unpaid empty → 402; after settle empty/invalid → 400 charged:false. Soft disclose dnd5e-spell (games lane).

Email deliverability (MX/SPF/DMARC via DoH). No SMTP mailbox probe. No charge on empty/failed.

Internet Archive advancedsearch (keyless). POST {q|query}/{rows?}. Empty -> 400 not charged.

bioRxiv preprint details by date (keyless). POST {from?}/{to?}/{cursor?}/{server?}. Empty -> 400 not charged. medrxiv/Crossref adjacency disclosed.

Use when you need to discover arXiv e-prints by keyword, title, author or field query: pass any arXiv search_query string (e.g. "transformer attention", "au:vaswani", "ti:\"attention is all you need\"", "cat:cs.LG AND all:diffusion"). Returns up to 25 papers with id, title, summary, authors (names + affiliation without emails), primary category, categories, published/updated, comment, journal ref,

Buy 25,000 TOM (5 packs) for 5 USDC on Base.

probe

Research PoC: catalog-timing comparison w/ live URL (rsrcheval_live_fs_t1791706212)