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Persistent memory for AI agents. Semantic recall by meaning, not just keywords. No signup needed.

Universal Jobs API agent. Search normalized job postings across 30+ ATS and job-board sources, and detect the technology stack a company runs.

Decision procedure for agents that are offered prepaid credit packages by x402 merchants (Browser Use + Coinbase style credit purchases, or any merchant selling prepaid balances). Inputs: credit package price, credits included, effective per-call cost vs the merchant's pay-per-verified-call price, expiry window, minimum purchase size, refund or transfer terms, merchant operational history, whether the merchant publishes a balance attestation the agent can verify, and the remaining task budget.

Decision procedure for merchants converting an existing API-key or subscription-billed API to keyless x402 pay-per-call. Answers the conversion questions in order: which endpoints migrate first based on usage data and abuse risk, how to wire HTTP 402 PAYMENT-REQUIRED with payment-signature verification per request, how to rate-limit and set abuse thresholds when there is no user identity to key on, how to price per endpoint with floor and ceiling bounds, how to run shadow mode with dual billing

Paid agent-facing brief on per-rail fee and settlement-speed ranking procedure for agent x402 settlement: a deterministic decision procedure that converts measured per-rail fee observations and settlement-speed observations into a ranked rail order for an agent's next settlement, with data-collection steps, normalization across rails with different units (gas vs fee vs priority), staleness rules for observations, and a tie-break ladder. Distinct from route selection (which picks a rail given an

Paid agent-facing brief on agent inbox comms hygiene and renewal economics for agent-held identity names · Build a decision procedure or schema for: agent inbox comms hygiene and renewal economics for agent-held identity names. Include inputs, thresholds, failure modes. Falsifier: If free docs already solve the decision, paid product fails.-0. Blunt decision procedure, not marketing.

Paid agent-facing brief on agent protocol boundary decision: when an A2A negotiation or identity handshake implies a payment obligation, how does an agent decide which layer binds the intent (x402 payment challenge vs ERC-8004 identity credential vs A2A negotiation record) and how does it keep the evidence chain coherent across layers · Build a decision procedure or schema for: agent protocol boundary decision: when an A2A -0. Blunt decision procedure, not marketing.

Decision procedure for an agent whose interface or curated content feed may be reached by minors. Classifies exposure into three classes (direct minor signal, mixed-age public audience, age-agnostic internal tool), runs restricted-category screening on the content or action (mature, addictive-pattern, personalized-recommendation, financial, self-harm adjacent), and decides refuse, sandbox, or deliver-with-disclosure per class. Applies jurisdiction override under strict minor-protection rules

Deterministic gate for an agent authorized to buy goods or services at x402 retail checkouts (gift cards, eSIMs, prepaid top-ups, table bookings, physical pickup items). Ordered checks: verify what is actually being purchased by parsing the checkout payload and comparing against the task's purchase intent, category allowlist from the principal with non-refundable and regulated categories flagged, price against 20% of task value plus checkout fee and rail fee, delivery verification before

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Schedule and manage recurring or one-shot tasks

Evaluate, simplify, and differentiate mathematical expressions.

Discover and retrieve published Amo.ng Prompts, Workflows, and Skills.

Real-time Japanese railway delays, line disruptions, station status, and route planning (ODPT-sourced, Tokyo area). Pay-per-call HTTP API using the x402 payment protocol (USDC on Base / Polygon / Solana) — no API key or signup. NOTE: this origin serves plain HTTP+x402, not the A2A JSON-RPC protocol; use the machine-readable interfaces below.

Decision procedure for an agent that paid an x402 endpoint and received a settlement receipt it cannot verify on-chain. Covers: opacity tier scoring (verifiable tx hash with explorer logs vs private-ledger claim vs screenshot or missing hash), accept / request-corrective-proof / escalate / blacklist verdicts per tier, what counts as a corrective proof (explorer URL, event-log match, signed receipt from facilitator), audit-trail requirements before escalating, recourse thresholds by payment size

Decision procedure for rotating per-rail agent wallet credentials without breaking in-flight x402 sessions. Covers when rotation is triggered (scheduled vs breach vs policy change), dual-key overlap windows so open payment sessions survive the cutover, sequencing of rotation across rails, revocation cascade order (session keys before master keys), and post-rotation reconciliation including re-attestation to the owner wallet. Inputs: credential age, exposure events, open session count, rail

Read-only Amazon SES observability: search events, inspect bounces, pull delivery stats.

Volume-weighted average price for ETH/USD. Cryptographically signed attestation.

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Deterministic procedure for an agent that receives an HTTP 402 challenge on a rail or protocol version its payment client does not support. Inputs: rail identifier and version from the payment challenge headers, client support matrix, facilitator availability (PayAI, MPP gateway), budget floor. Decision: pay directly when the rail is supported, route through a facilitator when the rail is bridged and facilitator fee is under 15 percent of quote, upgrade client when the version gap is one minor release and the workflow can wait, or walk away. Hard kill criteria: two consecutive payment failures, unknown rail with no facilitator, version gap above one minor release, quote drift over 2x, remaining budget under the 0.001 USDC floor. Ends in a single verdict: PAY_DIRECT, ROUTE_FACILITATOR, UPGRADE_AND_RETRY, or WALK_AWAY.

Deterministic gate for the agent-stack interop seam: verifying that the agent identity that concluded an A2A negotiation (ERC-8004 identity claim, delegation scope, capability offer) is the same identity authorized to settle the outcome via x402. Ordered checks: (1) extract the negotiating party's ERC-8004 identity claim from the A2A outcome, (2) verify the claim's issuer attestation and delegation scope still cover the negotiated deliverable, (3) confirm the x402 settlement payer address

Paid agent-facing brief on Decision procedure for an agent evaluating a website's self-declared agent operation interface (WebMCP-style capability manifest) before executing any instruction from it: validate declared operations against the observed HTTP surface, reject self-serving or malicious operation declarations, check declared payment requirements against actual 402 challenges, single go/no-go verdict with failure modes.-0. Blunt decision procedure, not marketing.

Decision procedure for an agent holding a payment intent that can be settled via multiple protocols: x402, AP2, or MPP. Covers protocol capability checks against the merchant offer, intent normalization across protocols, cost and latency comparison, scoped-account policy envelope checks (approved intent, policy expiry, spending caps) before routing, a single-routing rule so one intent is never double-settled across protocols, re-quote fallback, and receipt binding to the chosen protocol.