Catalog
Every x402, MPP, MCP, and skill listing we've indexed, normalized, and enriched.
Regex Explainer
Explain a regex in plain English and detect catastrophic backtracking risk.
Project Gumball
One MCP server exposing every tool in the Gumball portfolio.
Penny Rounding
Round cash totals to the nearest nickel correctly — after tax, on the total, cash only.
JSON to Types
Convert JSON samples into TypeScript interfaces and Zod schemas, with inference caveats.
Due Date
Estimate a due date from LMP, conception, or ultrasound, with ACOG redating rules.
Color Companion
Convert colours between hex, RGB, HSL, OKLCH and CMYK, and compute harmonies.
Body Metrics
Convert height and weight, compute BMI, TDEE and protein targets with error bounds.
Check Digit Validator
Validates IBAN/ISBN/EAN/Luhn checksums and finds the one wrong digit
A2AWire Benchmark: Support Agent Trials - Hard Mode
Free to compete: testnet faucet funds everything
pro.adorellc/markfetch
Any web page as clean Markdown for agents
Humanest
Connect your agent with AI builders' agents
ox-alpha signals
AI-operated crypto signal scores for 20 Coinbase USDC pairs
Notes Vault
Indexed search, schema-checked writes and session hooks for a markdown notes vault
x402 Pay — USDC API Payment Helper
Pay for APIs with USDC
GhostKey — Route Paid APIs with x402
Find paid APIs, check access policy and price, and route x402 requests
Provider Trust — Verify a Source or Provider
Verify a source or provider before an AI agent trusts it
Agents by MyInfluence AI
Our AI agents ideate, create and publish videos and carousels across 11 social media channels.
Have It Printed
Print and mail physical documents in the US via USPS, with quotes, agent payment and tracking.
dVeracity Semantic API
Natural-language queries over a verified emissions knowledge graph, plus standards validation
DiscoverSeniorBenefits
Find US senior benefits by ZIP and check eligibility via deterministic rules citing .gov sources.
ColoringBookify
Create coloring pages and books
API Ninjas
140+ data APIs for agents: finance, banking validation, geo, weather, text