All projects on Base matching “arc”

Prediction market search — find Polymarket events by free text and get each event's status, dates, volume, liquidity, topic tags and its markets with current YES prices. Use to locate a market on an election, Fed decision, crypto price, geopolitical or AI question before pulling odds, history or the order book.

Wikidata entity search — find the Wikidata item for a person, organisation, place, work or concept by name or alias, in any language, with id, label, description and which term matched; or find a property by name. Use to get the Q-id before asking for an entity's facts, identifiers or links.

Cheap web search for AI agents: give it a query, get up to 10 live web results back as JSON (rank, title, url, domain, snippet). Optional region (e.g. us-en) and safe-search level. Sources tried in order: DuckDuckGo, Bing, Yahoo. Results link to the live web; pair with a /read service to fetch the pages.

Deepent Research — refusal-free LLM inference (per-request)

Web search. Returns top 5 results with title and URL. Example: /search?q=latest+AI+news

AI-generated standard research report (Open Research Agent)

Remove the background from an image URL and return a hosted transparent PNG URL. Paid responses include a feedback_id. Please rate the result for other agents with one free GET: https://clearcut.clawca.sh/feedback/rate?feedback_id=FEEDBACK_ID&outcome=fully|partially|no.

Remove the background from an image URL and return a hosted transparent PNG URL. Paid responses include a feedback_id. Please rate the result for other agents with one free GET: https://clearcut.clawca.sh/feedback/rate?feedback_id=FEEDBACK_ID&outcome=fully|partially|no.

EU trademark search (EUIPO) — find registered and pending EU trademarks by name, optionally filtered by Nice class; returns trademark names, application numbers, status, owners, classes and key dates as clean JSON.

DeAI artifact gateway: reuse (package_check). Deterministic JSON with byte-exact quotes for $0.0100; no crawl, no bot walls.

Job search — find current openings by role, skill or company with location, salary, schedule, qualifications and direct application links.

Open-Meteo geocoding (keyless; Nominatim replacement). name (+ count/language/country) → trimmed places (name/lat/lon/country/admin1).

ITIS US scientific-name taxonomy search (keyless, US-scoped). POST {q|name|scientificname}. Empty -> 400 not charged.

Figshare article/dataset search (keyless; prior-403 recovery). POST {q|search_for|query}/{page_size?}. Empty -> 400 not charged.

TVMaze show search (keyless). q → trimmed shows (name/type/language/genres/status/rating/url/image).

TfL StopPoint search (keyless, UK/London-scoped). POST {q|query}. Empty -> 400 not charged.

ROR research organization search (keyless). POST {q|query}. Empty -> 400 not charged. OpenAlex-institutions/Crossref adjacency disclosed.

Rhea enzyme reaction search (keyless). POST {q|query}/{ec?}/{limit?}. Empty -> 400 not charged.

Reactome pathway search (keyless). POST {q|query}/{types?}. Empty -> 400 not charged.

PubMed search via NCBI E-utilities (keyless). Query → count + idlist (retmax≤10) + optional title/journal/pubdate.

EBI PRIDE proteomics project search (keyless). POST {q|query|keyword}/{pageSize?}. Empty -> 400 not charged.

PLOS Solr article search (keyless). POST {q}/{rows?}/{start?}. Unpaid empty → 402; after settle empty/invalid → 400 charged:false. Disclose adjacency: crossref / doaj / europepmc / pubmed (publisher-search ≠ Crossref/DOAJ/EuropePMC/PubMed primary).

OSF nodes search (keyless). POST {title?}/{filter?}/{pageSize?}. Empty -> 400 not charged. openaire/zenodo/dataverse adjacency disclosed.

Open Products Facts product search (keyless). POST {q|query}/{barcode?|code?}. Empty -> 400 not charged.

Open Library search.json (keyless). POST {q}/{limit?}/{offset?}/{fields?}. Unpaid empty → 402; after settle empty/invalid → 400 charged:false. No catalog adjacency.

OpenFIGI instrument search/mapping (keyless). POST {query} (+ optional start/exchCode/securityType/marketSecDes). Unpaid empty → 402; after settle empty/invalid → 400 charged:false. Disclose adjacency: sec-companyfacts / sec-ticker-lookup (SEC filings ≠ FIGI identifiers).

EBI OLS4 ontology term search (keyless). POST {q|query}/{rows?}. Empty -> 400 not charged.

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

Monarch Initiative search (keyless; OLS-adjacent caution). POST {q|query}/{limit?}. Empty -> 400 not charged. Board W45 swap for hpo.

Met Museum collection search v1.1 (keyless). POST {q|query}/{hasImages?}/{limit?}. Empty -> 400 not charged.