other

ENS resolution: name->address (forward) or address->primary name (reverse). Ethereum mainnet.

Deterministic time/timezone truth: DST-aware zone conversion, transition times, business-day & holiday math, epoch<->ISO. Free sample, no payment required: GET /play/time

Detect safe replays and conflicting reuse of an idempotency key

Verify active task lease ownership before execution or mutation

Calculate data age against an explicit freshness policy

Deterministic payment-policy firewall with a signed, short-lived decision receipt

Bind a proposed tool call to declared intent, allowed tools, destination and cost before execution

Detect and redact common secret indicators before transmission

Validate HTTPS callback and redirect destinations against an explicit host allowlist

Test whether source observations meet an explicit maximum-age policy

Detect changes between a trusted tool baseline and its current manifest

Bind MCP catalog digest to TTL, scope and revalidation policy

Inspect an MCP tool manifest before installation or trust, including collisions, missing schemas and instruction injection

Enforce declared per-call, task, session and period budgets before execution

Historical macro events with actual vs estimate values (e.g. CPI came in above/below forecast). Use to study how markets reacted to surprises and to backtest event-driven strategies.

Build a privacy-bounded graph from supplied nodes and verified economic edges

Bundle independent source observations while exposing agreement and disagreement

Evidence-bounded reputation assessment with confidence, coverage and explicit limitations

Commit request, authority, execution, payment and delivery evidence in one auditable proof

Recommend bounded recovery while reconciling ambiguous payments before retry

Assemble verified failure evidence and recommend review without executing refunds

Recommend an eligible provider under a mandate without executing a purchase

Forecast only from verified demand windows with low-sample abstention

Recommend evidence-bound hold or release states without custody or fund movement