https://aiworker.duckdns.org/mcp ↗
Paid x402 tools (USDC per call): defi_yields, defi_protocol, scrape_markdown, scrape_summary.
aiworker-data is a remote MCP server published at aiworker.duckdns.org. It has been probed 7 times since 9/12/2026. It answered in 7 of them (100.0%), a near-uninterrupted record. Median response time is 441 ms, placing it among the faster endpoints. It exposes a broad tool surface of 20 tools. On the protocol side it still runs 2025-11-25 and has not moved to the newer spec.
Can an LLM agent pick the right tool here — names, descriptions and parameter clarity are assessed.
| Run | Era | Modern | ms | Legacy | ms | Versions |
|---|---|---|---|---|---|---|
| 2026-09-13 04:35:29 | Legacy | 400 | 851 | 200 | 842 | 2025-11-25 |
| 2026-09-13 01:33:33 | Legacy | 400 | 274 | 200 | 266 | 2025-11-25 |
| 2026-09-12 23:31:36 | Legacy | 400 | 439 | 200 | 445 | 2025-11-25 |
| 2026-09-12 21:29:15 | Legacy | 400 | 441 | 200 | 446 | 2025-11-25 |
| 2026-09-12 19:27:29 | Legacy | 400 | 355 | 200 | 351 | 2025-11-25 |
| 2026-09-12 17:24:09 | Legacy | 400 | 564 | 200 | 570 | 2025-11-25 |
| 2026-09-12 15:21:42 | Legacy | 400 | 263 | 200 | 375 | 2025-11-25 |
tools/list structure, inputSchema validity, and a functional smoke test — the components of the 0-100 score.
Tools the server advertised in the latest measurement — measured, not catalog-claimed.
defi_yieldsDeFi yield pools from DefiLlama, normalized and filterable by chain, project, symbol, stablecoin and min TVL; refreshed every 5 minutes. Price $0.02 per call, paid with USDC over x402.
chainstringprojectstringsymbolstringstablecoinbooleanmin_tvl_usdnumberlimitintegerdefi_protocolSnapshot of one DeFi protocol by DefiLlama slug: TVL by chain, category, 1d/7d change, audits, refreshed every 5 minutes from DefiLlama's protocol summary. Price $0.01 per call, paid with USDC over x402.
slugstringrequiredscrape_markdownFetch one public web page (buyer-supplied URL, no login walls, robots.txt honoured) and return its main content as clean Markdown with title and word count. Price $0.02 per call, paid with USDC over x402.
urlstringrequiredmax_charsintegerscrape_summarySame as /v1/scrape/markdown plus a structured summary (≤200 words), key points and entities produced by an LLM from the page text. Price $0.04 per call, paid with USDC over x402.
urlstringrequiredmax_charsintegeryield_reportAn LLM-written read of DeFi yield pools from DefiLlama matching a filter: a headline verdict, key points, risks, a best-fit pool if any, and caveats, alongside the underlying pool rows. Price $0.10 per call, paid with USDC over x402.
chainstringprojectstringsymbolstringstablecoinbooleanmin_tvl_usdnumberlimitintegerclaim_checkExtract checkable factual claims from buyer-submitted text or a public URL, and verdict each one — supported, contradicted, unsupported or unverifiable — against Wikipedia and any buyer-supplied source URLs, with verbatim quoted evidence and links. Informational only. Price $0.05 per call, paid with USDC over x402.
textstringurlstringsourcesarraymax_claimsintegertoken_checkA deterministic Base token safety card from Blockscout, DexScreener (derived) and Honeypot.is plus the Base RPC: what the contract is, who controls it, who holds it, where it trades, and whether a simulated buy/sell round-trips, with rule-based risk flags and a 0-100 score. No LLM. Informational only. Price $0.05 per call, paid with USDC over x402.
addressstringrequiredchainstringtoken_infoThe cheapest way to look up a Base token: name, symbol, decimals, total supply, holder count, price, liquidity, pool count, largest pool, FDV and 24h volume, from Blockscout and DexScreener. Deterministic, no LLM, seconds per call. It is the data half of token_check; for contract ownership, holder concentration and a honeypot simulation, buy that instead. Informational only. Price $0.005 per call, paid with USDC over x402.
addressstringrequiredchainstringwallet_checkA deterministic Base wallet card for any address: EOA or contract, ETH balance, first seen and last activity, transaction and token-transfer counts, up to 20 ERC-20 holdings by value, and rule-based flags (fresh wallet under 7 days, dormant over 180 days, no ETH, single token, contract address), from Blockscout and the Base RPC. No labels, no scoring, no LLM. Facts an agent can act on; informational only. Price $0.05 per call, paid with USDC over x402.
addressstringrequiredresolution_checkHas a Polymarket market resolved, and how? Give a market slug, a 0x condition id, or the question as free text: you get the status (open, resolved, voided, unknown, not_found), the winning outcome and payout vector, when it closed and by which mechanism (UMA status, resolver), how many days after its end date, the last traded price and best bid/ask, and the event's categories, from Polymarket's public Gamma API. Deterministic, no LLM, seconds per call; a free-text question that matches no market is answered as not_found with the nearest candidates. A record of what happened, not a prediction; informational only. Price $0.05 per call, paid with USDC over x402.
marketstringrequiredmarket_oddsThe current odds of one Polymarket market and how they moved: give a market slug, a 0x condition id or the question as free text and get the YES and NO prices, the last trade, the implied probability, liquidity and volume, and the 24-hour and 7-day change against the derived store's daily closes, from Polymarket's public Gamma API. Deterministic, no LLM, seconds per call; a keyed market that does not exist is refused before payment, a free-text question that matches nothing is answered as not_found with the nearest candidates. A market price is not a forecast; informational only. Price $0.01 per call, paid with USDC over x402.
marketstringrequiredrule_backtestReplay one fixed, published rule over resolved Polymarket markets from a derived store of on-chain daily closes: favorite_hold (buy the side at or above p on its first such day), longshot_hold (buy the side at or below p), late_entry (buy the favourite N days before the end date) or momentum_1w (buy in the direction of a one-week move). Pick a category (an event tag) and a date range; you get hit rate, mean and median return, drawdown, Brier score, a calibration table by entry price, results by year, a sample of matched markets and the exact method. Deterministic, no LLM, no buyer code. History, not a prediction; informational only. Price $0.25 per call, paid with USDC over x402.
rulestringrequiredthresholdnumberdays_before_endintegercategorystringfromstringtostringmin_volume_usdnumberEach block is one measurement round. Green: working response. Amber: responded but the server was returning errors (5xx). Red: no response at all.
Each cell is one probe run. Faded cells are incomplete probes — one leg did not answer, so the era is inconclusive.
The two probe legs separately: modern server/discover and legacy initialize.
Derived by comparing consecutive probes — changes in era, protocol version, build and reachability.
Add this badge to your README — it updates automatically as measurements change.
[](https://mcpmetrics.io/servers/org-duckdns-aiworker-aiworker-data)<a href="https://mcpmetrics.io/servers/org-duckdns-aiworker-aiworker-data"><img src="https://mcpmetrics.io/badge/org.duckdns.aiworker/aiworker-data/era.svg" alt="mcpmetrics"></a>You are seeing the last 7 days. Sign up for the full history. Which check failed and why is in the dashboard.
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DeFi protocol data: TVL, yield pools, and cross-chain analytics
70+ pay-per-call security, crypto, and data tools for AI agents via x402 USDC micropayments on Base
Pay-per-call NLP & embeddings APIs on Base via x402. No keys/signup; agents pay per call in USDC.
Pay-per-call NLP & embeddings APIs on Base via x402. No keys/signup; agents pay per call in USDC.
Pay-per-call agent tools over x402: site audits, llms.txt generation, wallet watch, catalog.
Best DeFi yields by token — APY, TVL, risk, protocol. DeFiLlama-powered. x402.
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