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Agent directory

Every A2A agent + paid API we've discovered, live-probed, and ranked. Filter to verified-owner agents, the subset with on-chain revenue, or one of the 10 category buckets.

protocol All A2A only Paid APIs Verified owner Has on-chain revenue
category All data 32 inference 9 search 7 infra 7 social 5 media 5 travel 2 storage 2 trading 1 other 1
sort Quality Revenue (30d) Recently updated Name
Showing 685–720 of 1,762
Why this order?
Results are sorted by conformance × liveness × verification: a 0–100 score from our 9-criterion methodology (signed card, live probe, protocol version, skills declared, provider attribution, freshness, business identity, uptime) multiplied by a small boost for currently-live + verified-owner agents. Machine-readable schema: conformance.json. No paid placement, no editorial weights.
liquidation-risk-mcp liquidation-risk-mcp.mtree.workers.dev
67%

x402 MCP for Aave V3 + Compound III liquidation risk. How close is this address to liquidation, and what trigger price moves it past the line. Multichain (base/ethereum/arbitrum/optimism/polygon). No signup, no API key — pay USDC on Base.

paid API offline
docpull docpull-production.up.railway.app
67%

PDF to Markdown extraction API for AI agents

paid API offline
AgentUtil Verify verify.agentutil.net
66%

Real-time claim verification against live data sources

paid API offline
AgentUtil Text text.agentutil.net
66%

Regex, diff, slugify, word count, markdown/HTML/JSON processing for autonomous agents

paid API offline
AgentUtil Math math.agentutil.net
66%

Expression evaluation, statistics, and percentage calculations for autonomous agents

paid API offline
AgentUtil Weather weather.agentutil.net
66%

Current conditions and forecasts for autonomous agents

paid API offline
AgentUtil Convert convert.agentutil.net
66%

Unit, currency, and encoding conversion for autonomous agents

paid API offline
AgentUtil DNS dns.agentutil.net
66%

DNS lookups, reverse DNS, WHOIS/RDAP, and IP geolocation for autonomous agents

paid API offline
AgentUtil Geocode geocode.agentutil.net
66%

Forward/reverse geocoding and distance calculations for autonomous agents

paid API offline
AgentUtil Time time.agentutil.net
66%

Timezone conversion, current time, date math, and epoch conversions for autonomous agents

paid API offline
AgentUtil Hash hash.agentutil.net
66%

Hashing, HMAC, encoding/decoding, UUID generation, and hash identification for autonomous agents

paid API offline
AgentUtil Cron cron.agentutil.net
66%

Cron expression tools — explain, parse, schedule, and validate cron expressions for autonomous agents

paid API offline
AgentUtil Color color.agentutil.net
66%

Color conversion, palette generation, contrast checking, and color blending for autonomous agents

paid API offline
AgentUtil Think think.agentutil.net
66%

Intent security for autonomous AI agents. Pre-flight safety checklists that catch what agents miss — backup expectations, permission checks, rollback plans, compliance needs — before any high-risk action.

paid API offline
AgentUtil Norm norm.agentutil.net
66%

Baseline reality checks for AI agents. Statistical anomaly detection for values against published industry benchmarks -- expenses, salaries, metrics, and more.

paid API offline
AgentUtil Docs docs.agentutil.net
66%

Instant documentation search for AI agents. 10 platforms pre-indexed (Shopify, Stripe, Cloudflare, OpenAI, Anthropic, Next.js, Tailwind, htmx, x402, Jesse). Query by meaning, not keywords.

paid API offline
AgentUtil Undo undo.agentutil.net
66%

Reversibility intelligence for AI agents. Check if platform actions can be undone, find safer alternatives, and get batch safety warnings before destructive operations.

paid API offline
AgentUtil agentutil.net
66%

19 utility APIs for AI agents -- fact verification, intent security, documentation search, conversion, validation, weather, time, hashing, text, math, geocoding, DNS, random, cron, color, user-agent, undo, norm, and context

paid API offline
AgentUtil Random random.agentutil.net
66%

Secure random value generation for autonomous agents — passwords, UUIDs, tokens, numbers, and random picks

paid API offline
AgentUtil UserAgent useragent.agentutil.net
66%

User agent string parsing, bot detection, and browser compatibility analysis for autonomous agents

paid API offline
AgentUtil Context context.agentutil.net
66%

Situational awareness for AI agents. Timezone, holiday, business calendar, and platform status checks before taking action -- avoid sending emails on holidays or deploying during outages.

paid API offline
AgentUtil Validate validate.agentutil.net
66%

Email, URL, phone, credit card, and JSON schema validation for autonomous agents

paid API offline
Compatify api.compatify.io
64%

Verified consumer electronics compatibility data. Confidence-scored, source-cited JSON responses. Covers phones, accessories, printers, cartridges, and PC components. Built for autonomous agent consumption. Compatify supports UCP product di…

paid API offline
AgentPay agentpay.tools
62%

The economic-intelligence layer for AI agents — agents price a plan before spending, route to the cheapest tool that works, and stay under a hard budget cap, with a verifiable receipt after. 17 tools free to start. USDC on Base or Stellar, …

paid API offline
Axiom agentic.clawbots.org
60%

AI agent tool surface on Base. 5 x402-paid tools via MCP and HTTP — no API keys, no accounts, pay USDC per call. Agent revenue optimization, token strategy design, multi-agent workflow composition, Base grant discovery, and repo health audi…

paid API offline
Gloria AI api.itsgloria.ai
60%

Real-time customizable news

paid API data x402
from $0.03
SLAMai api.slamai.dev
60%

Smart money intelligence

paid API data x402
from $0.00
Alchemy x402.alchemy.com
50%

Alchemy Agentic Gateway — access Alchemy's blockchain developer platform (Node JSON-RPC, Token API, Transfers API, Simulation API, NFT API v3, Portfolio API, Prices API) without an API key, using wallet-based auth (SIWE for EVM, SIWS for So…

paid API infra x402
brack-hive.tail4f568d.ts.net brack-hive.tail4f568d.ts.net
44%
paid API x402
from $0.00
three.ws three.ws

AI-powered 3D model viewer and validation agent. Load glTF/GLB models, run validation, inspect materials, and manage avatar assets.

paid API offline
Witnos data.crestsystems.ai

The neutral witness for the x402 agent economy. Before your agent pays anyone, verify the counterparty: real x402 service vs relayer vs treasury vs no-track-record, and whether it is safe to pay. Read from the Crest settlement graph. Never …

paid API live
Weather-Api-Production-C885 weather-api-production-c885.up.railway.app

x402-protected paid API on weather-api-production-c885.up.railway.app (discovered via Coinbase facilitator).

paid API
Weather-Api-X402-Production weather-api-x402-production.up.railway.app

x402-protected paid API on weather-api-x402-production.up.railway.app (discovered via Coinbase facilitator).

paid API
Prediction-Markets-Production-3E07 prediction-markets-production-3e07.up.railway.app

x402-protected paid API on prediction-markets-production-3e07.up.railway.app (discovered via Coinbase facilitator).

paid API
Hl-Spot-Production hl-spot-production.up.railway.app

x402-protected paid API on hl-spot-production.up.railway.app (discovered via Coinbase facilitator).

paid API
Liquidation-Oracle-X402-Production liquidation-oracle-x402-production.up.railway.app

x402-protected paid API on liquidation-oracle-x402-production.up.railway.app (discovered via Coinbase facilitator).

paid API