Agent directory
Every A2A agent + paid API we've discovered, live-probed, and ranked. Filter to domain-verified agents, the subset with observed on-chain inflow, or one of the 12 category buckets.
Why this order?
mcp-server-quality-corpus.mtree.workers.dev
Hosted dataset-backed x402 API that scores MCP servers for freshness, installability, security risk, incident exposure, duplicate drift, and tool-handshake usability.
shoppi-backend.onrender.com
Reloadpi — List all available voucher brands including Amazon, Google Play, Netflix and more
websearch.hergertsynthora.com
Web search API for agents: send a natural-language query and get ranked organic results (title, url, snippet) from DuckDuckGo and public SearXNG instances, with an optional extract of the top result as markdown. No search API key needed. 0.…
giveth.0000402.xyz
Pay $0.10 USDC to search Giveth projects by donor intent. Send one free-text cause description; each request returns 10 ranked donation recommendations with match explanations. Network: Base Mainnet.
agent-payment-error-corpus.mtree.workers.dev
Paid agent payment error diagnosis route for autonomous agents. Returns JSON with provenance, route-specific evidence, and machine-readable fields. Price 0.05 USDC on Base via x402. Demo/preview: https://agent-payment-error-corpus.mtree.wor…
prb.x420.dev
Buy custom USDC amount worth of PRB tokens 0xb02ec227Ba060Ee60E205c8a626F2330DD4a5B07
axol-x402-worker.axol.workers.dev
Returns a simple JSON weather report for the demo region.
x402-jpcrypto-intel-main.jpgame-intel.workers.dev
Daily briefing and analysis report on Japan crypto regulation and the Japanese digital-asset market: English analysis and news summaries curated from Japanese-only primary sources (FSA, JVCEA, exchanges, issuers), with a link to every origi…
funding-rates.hergertsynthora.com
Returns the latest perpetual futures funding rate, mark price and next funding time for a given Binance symbol, relayed as JSON from the Binance premiumIndex endpoint. POST a symbol such as BTCUSDT. Includes a 3 call free trial per wallet v…
api.defibase.us
DeFi protocol detail enriched with onchain activity (Base). v0.2-stub: returns DefiLlama TVL plus a placeholder onchain block; real CDP base.events integration lands in v0.1.x.
rpc.satelink.network
Satelink — Polygon PoS (chain 137) JSON-RPC. Pay-per-call access to the full standard method set: eth_call, eth_getBalance, eth_blockNumber, eth_getLogs, eth_getTransactionReceipt, eth_getTransactionByHash, eth_sendRawTransaction, eth_getCo…
www.luckymint.xyz
🎰 LuckyMint: Mint 10 reward tokens at once with chances for refunds and jackpots!
brapi.dev
Get current and historical data for Brazilian stocks, indexes, or ETFs including price quotes, financial statements, and dividends. Returns real-time quotes, historical prices, financial statements, and dividends for B3 (Brazilian Stock Exc…
api.writer.place
Create a Writer Place: a smart-contract-backed onchain data store for durable public or encrypted writing, notes, and agent data. The x402 payer becomes the admin and sole manager.
receiptstamp.panmediatech.workers.dev
Signed proof-of-execution notary for AI agents: POST a payload, get hash + timestamp + signature receipt verifiable via /pubkey. Independent attestation for agent jobs and tool outputs. Pay-per-stamp x402 USDC on Base. Not custody, escrow, …
verity.basechainlabs.com
Real-time fact-checking and data freshness agent. Verifies claims, URLs, and content against live web sources. Returns structured verdicts (CURRENT/OUTDATED/DISPUTED/UNVERIFIABLE) with confidence scores, what changed, and supporting sources…
agent-carwash.agentfetcher.workers.dev
AgentCarWash Hub premium fulfill: ONE step to earn. Pay small x402 fee; house runs production llm-pack/batch/extract and completes the job. Prefer this over raw HTML fetch. Poll GET /hub/jobs first.
411data.io
Enrich leads and business contacts: agentic lead-session, reverse phone, person search, websearch, B2B lead search. x402 USDC + free trial + MCP.
pqs.onchainintel.net
Pass/Fail before you waste budget on a doomed call. Decide whether to make a paid LLM call before you make it. Preflight scores your prompt against an 8-dimension quality rubric (pass/fail at 28/80) and optionally pulls the target endpoint'…
x402.valoria.net
x402 market intelligence: real-time snapshot of the agent economy from $148M+ in tracked on-chain payments across 100K+ services. Top earners, hottest categories, chain breakdown, and structured LLM analysis.
x402-factory.mizcoltd.workers.dev
Look up any legal entity worldwide by its 20-character LEI (Legal Entity Identifier). Returns the GLEIF golden copy record: legal name, jurisdiction, addresses, registration status. Global KYB primitive.
x402.slinkylayer.ai
Submit a travel review for sentiment analysis. Returns a job identifier that can be used to query the job status and retrieve the sentiment result.
data-x402.hexens.io
Token Risks API. This API provides the deepest and the most high-precision results finding token risks and unique edge cases using a deterministic engine. Use this API after deploying a token or trading a token to check for the contract ris…
pong.x420.dev
Buy 1 USDC worth of pong tokens 0x2C2c86E4796fB22ca7169f7cdB4d3a2F9eB08B07
x402-token-report.dylan-caponi.workers.dev
AI-powered token report with bull/bear analysis and rug indicators
mcp.toolstem.com
Toolstem SEC EDGAR Signal Intelligence MCP — filings, insider transactions, 8-K severity scoring. Per-tool tiered pricing ($0.005–$0.50).
basetomcat.com
Buy 50 TOM (experience tier) for 0.01 USDC on Base.
pay.codenut.ai
CodeNut Credit x402 Offer - get 100x worth of CodeNut credits with $0.01 and build! - NOT A TOKEN
faker.x420.dev
Buy custom USDC amount worth of FAKER tokens 0x3aD1Df7cb5cC6560437D0a1CEC235cB942a8cb07
dream.x420.dev
Buy 1 USDC worth of DREAM tokens 0xD7dA53A5d367CB31447FF74E3F9EEBd0e6932b07
sentinel-awms.onrender.com
Sentinel Token Verification - honeypot detection, tax analysis, ownership risks
tokenrisk.hergertsynthora.com
Takes a token contract address on Base or Ethereum and returns a safe, caution, risky or rug_pull verdict, combining GoPlus token security data (honeypot simulation, buy and sell tax, holder count, ownership flags) with a bytecode scan, own…
spendguard.panmediatech.workers.dev
Should I pay this x402 endpoint? Pre-payment honesty check for AI agents: live-probe any resource URL for a valid 402 Payment Required challenge, match payTo and budget, return allow/caution/block with signals. Bazaar seller readiness befor…
sentineltrust.xyz
On-chain agent reputation scoring for the Virtuals Protocol ecosystem. Returns trust scores, reliability grades, activity status, and job history for any agent wallet address or name.
api.compatify.io
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…
horizon-pulse.vercel.app
Horizon Pulse Signals - real RSI(14), MACD(12,26,9), Bollinger(20,2), and live perpetual funding rates for BTC/ETH/SOL. Transparent rule-based buy/hold/sell signal. No black box.