MARKET MONITOR / CATALOGUE Services 140,253 MCP listed 42,285 x402 98,081 Rails Base / Solana / Polygon / Arbitrum Imported 2026-11-04 · 3 sources
Task

Math

31 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.

Exact Math Calculator | Lordevo x402 REST usage

Exact calculator for agents: evaluates a math expression with big integers and exact fractions (1/3 stays 1/3), powers, factorials, sqrt, round, gcd, lcm, comb, perm, logs and trig. Returns result, fraction, decimal to N...

shop.lordevo.com Infrastructure 2 calls / 30d checked 2026-11-04
0.002 USDC per call per call

Foundry x402 REST usage

Base transaction explained from the chain: success or reverted, block and time, from, to, ETH value, method selector, gas used and fee, contract created, and every ERC-20 transfer decoded with token symbol and amount. In...

minty-sprout.onrender.com AI Models & Inference 1 calls / 30d checked 2026-11-04
0.002 USDC per call per call

Delx Percent Change x402 REST checked

Compute absolute and percent change for $0.001 USDC. Call when you need this bounded result without an API key or subscription. Returns machine-readable JSON via x402 on Base or Solana. Limitation: results cover only the...

api.delx.ai Crypto & Payments 2 calls / 30d checked 2026-11-04
0.001 USDC per call per call checked

fraction-simplify x402 REST usage

Simplify a fraction to lowest terms and return its decimal value.

x402.agentindex.world Other services 2 calls / 30d checked 2026-11-04
0.001 USDC per call per call

x402 Utils x402 REST usage

Check whether a phone number is valid and possible, find its country and type (mobile, fixed line, toll free and others), and format it as E.164, international and national (libphonenumber metadata).

qcb7fnxsbd7fbhj4.68r.lambda-web.us-east-1.on.aws Crypto & Payments 1 calls / 30d checked 2026-11-01
0.001 USDC per call per call

Semilla Deterministic utilities x402 REST

Up to 50 exact operations in one call: combinations and permutations, modular add, sub, mul, pow and inverse, Levenshtein distance and similarity, Jaccard index, hex/RGB/HSL colour conversion and matrix multiplication. P...

agentsmap.io Crypto & Payments checked 2026-11-04
0.003 USDC per call per call

Sumbloom x402 REST

Sumbloom: Original solver-checked number puzzles (JSON or SVG) for apps, classrooms and AI agents.

sumbloom.cybermax-tools.workers.dev Other services checked 2026-11-04
0.002 USDC per call per call

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