Task

Expression Evaluator

2 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.

Sindri x402 REST usage

Email validation API. Checks whether a string is a syntactically valid email address using the same production-grade validation library trusted across the Node.js ecosystem, catching edge cases a quick regex misses. Retu...

ppu43fkyhimq5fiqpmo42eh5ri0yypid.lambda-url.us-east-1.on.aws Comms & Messaging 6 calls / 30d checked 2026-10-26

0.01 USDC per call per call

Evaluate expression x402 REST usage

Evaluate a mathematical expression with optional named variables — arithmetic, comparison and logic operators plus functions like sqrt, abs, min, max, sin, cos, log, floor, round, etc. A syntax error, an undefined variab...

math.openverbs.com Infrastructure 2 calls / 30d checked 2026-10-26

0.004 USDC per call per call

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