Developer tools tools for AI agents
Updated
| Score | Tool | Type | Host |
|---|---|---|---|
| 100 | api.onesource.io block-number Latest Ethereum block height - current chain tip via eth_blockNumber | x402 · $0.001 | api.onesource.io |
| 100 | edgar.apitoll.cloud filings Latest SEC EDGAR filings for any US-listed company by stock ticker or CIK: 10-K annual reports, 10-Q quarterly | x402 · $0.003 | edgar.apitoll.cloud |
| 100 | api.hyperextend.xyz latest The most-recent N OHLCV candles (≤5000). Same per-row pricing as the windowed read ($0.00001 base for main/spo | x402 · $0.002 | api.hyperextend.xyz |
| 100 | api.exa.ai contents Exa /contents endpoint | x402 · $0.001 | api.exa.ai |
| 100 | api.nansen.ai current-balance Get Address Current Balance Data | x402 · $0.01 | api.nansen.ai |
| 100 | api.kadec0.xyz weather Weather forecast and air quality for any location worldwide. Returns current conditions plus a 16-day daily we | x402 · $0.005 | api.kadec0.xyz |
| 100 | api.robinx.io new Live scored launch feed (realtime) — or add ?tier=free for the 10-min-delayed free feed, or ?tier=alpha ($0.02 | x402 · $0.01 | api.robinx.io |
| 100 | brasil-dados-api.onrender.com cambio Official USD/BRL and EUR/BRL exchange rates (PTAX, Central Bank of Brazil). | x402 · $0.002 | brasil-dados-api.onrender.com |
| 100 | api.justaname.id reverse Resolves an address into its ENS reverse record on a given chain, with batch support up to 50 addresses and pe | x402 · $0.005 | api.justaname.id |
| 100 | api.justaname.id resolve Resolves an ENS name into its addresses, text records, and content hash, with batch support up to 50 names and | x402 · $0.005 | api.justaname.id |
| 100 | dokimo.augaster.com verify Dokimo Verify API (GET) - scheme demo: recomputes a sample dokimo-merkle-v1 proof to its root. For real caller | x402 · $0.01 | dokimo.augaster.com |
| 100 | schemasure.com extract Extract strict, JSON-Schema-valid typed JSON from unstructured text or HTML. Failed extraction calls are not s | x402 · $0.02 | schemasure.com |
| 100 | sqlpermit.schemasure.com sql Decide whether an agent-authored PostgreSQL statement complies with an execution policy, using PostgreSQL's ow | x402 · $0.02 | sqlpermit.schemasure.com |
| 100 | api.vaults.fyi vaults Retrieves a filtered list of vaults with their basic information including address, network, associated asset | x402 · $0.002 | api.vaults.fyi |
| 100 | quokkapix.com coinbase-x402 QuokkaPix image agent unlock for image-standard. Media stays local on the user's device. | x402 · $0.01 | quokkapix.com |
| 100 | tools.miniframe.com.br cep Use when a Brazilian postal code needs to become a real address — filling a form, validating a delivery, compl | x402 · $0.005 | tools.miniframe.com.br |
| 100 | squeezeos-api.onrender.com convert Currency conversion API for AI agents — convert an amount between currencies using official ECB reference-rate | x402 · $0.001 | squeezeos-api.onrender.com |
| 100 | api.qist.info hijri Convert Gregorian dates to Hijri (Umm al-Qura calendar) and back. Returns day/month/year, Arabic and English m | x402 · $0.01 | api.qist.info |
| 100 | api.remix.live compile Compile Solidity contracts with the Remix compiler, supporting multiple files, custom versions, and optimizati | x402 · $0.01 | api.remix.live |
| 100 | api.stocktrends.com latest Latest Stock Trends Inference Model (ST-IM) outputs for a symbol: forward return expectations and statistical | x402 · $0.0025 | api.stocktrends.com |
| 100 | api.vrsai.tech package_install_preflight Check an exact npm or PyPI package version immediately before installation using current registry, vulnerabili | x402 · $0.01 | api.vrsai.tech |
| 100 | sat.ipintel.ai coordinates-to-address Worldwide reverse geocoding for agents. Convert latitude and longitude into a normalized address, locality, ad | x402 · $0.002 | sat.ipintel.ai |
| 100 | x402.twit.sh id Look up a single Twitter/X tweet by its numeric tweet ID. Returns full tweet data including text, author profi | x402 · $0.0025 | x402.twit.sh |
| 100 | api.eckari.com detect-carrier Identify which carrier issued a tracking number using a deterministic, versioned signature set - prefixes, len | x402 · $0.001 | api.eckari.com |
| 100 | agentdataapi.onrender.com launches Upcoming SpaceX launches (next 5) with mission, pad, and T-0 details | x402 · $0.01 | agentdataapi.onrender.com |
| 100 | keyronne.com route Point-to-point directions between 2-10 stops by car, bike, or on foot: total and per-leg distance and travel t | x402 · $0.01 | keyronne.com |
| 100 | x402-data-api.onrender.com geo IP geolocation: country, region, city, coordinates, and timezone for any IPv4 or IPv6 address. Fast in-memory | x402 · $0.001 | x402-data-api.onrender.com |
| 100 | mimirapi.com ping Paid liveness probe for the MimirAPI counter. Returns pong, the SKU id, and a server timestamp. One tenth of a | x402 · $0.001 | mimirapi.com |
| 100 | api.telemost.io entities Telegram content analytics and data extraction: pull structured entities from a channel's recent posts, links, | x402 · $0.0165 | api.telemost.io |
| 100 | keyronne.com geocode Forward and reverse geocoding on OpenStreetMap data: turn place names, addresses, and landmarks into coordinat | x402 · $0.003 | keyronne.com |
| 100 | intel.chainquery.com fee-pressure ChainQuery Bitcoin Intelligence: independent Bitcoin-native on-chain data over x402, no API key. Live mempool | x402 · $0.005 | intel.chainquery.com |
| 100 | dns-whois-lookup.underscoredone.com lookup Send up to 10 domain names and get back every DNS record type (A, AAAA, MX, CNAME, TXT, NS, PTR, SOA, SRV, CAA | x402 · $0.01 | dns-whois-lookup.underscoredone.com |
| 100 | api.eckari.com alerts Active National Weather Service watches, warnings and advisories for a US coordinate or a two-letter state or | x402 · $0.003 | api.eckari.com |
| 100 | x402-seller.onrender.com lookup Forward geocode a free-text address, place name, or city (e.g. "Tokyo, Japan") into geographic coordinates — l | x402 · $0.001 | x402-seller.onrender.com |
| 100 | evidence.api.williamrobinson.dev evidence Retrieve deterministic evidence from a public HTTPS page | x402 · $0.01 | evidence.api.williamrobinson.dev |
| 100 | tools.halowerk.com discovery Prueft die bekannten Konventionspfade einer Domain auf OpenAPI, MCP, x402, GraphQL, Feeds, llms.txt, security. | x402 · $0.005 | tools.halowerk.com |
| 100 | srv1334799.hstgr.cloud changes Recent material public-source changes for tracked Bitcoin services. | x402 · $0.01 | srv1334799.hstgr.cloud |
| 100 | x402.fenixfoundry.com repair-json Repair malformed JSON (trailing commas, single quotes, unquoted keys, code fences, truncated output) and optio | x402 · $0.003 | x402.fenixfoundry.com |
| 100 | x402.charliemorrison.dev audit GitHub repo discoverability & SEO audit: scores a repo's README, description, topics, homepage and metadata an | x402 · $0.005 | x402.charliemorrison.dev |
| 100 | api.vaults.fyi assets Retrieves a filtered list of supported assets with their metadata including address, symbol, name, decimals, a | x402 · $0.002 | api.vaults.fyi |
| 100 | api.alphabuild.xyz evaluate Discover what your assets could earn through lending—and where to find the strongest rates. Compare supported | x402 · $0.01 | api.alphabuild.xyz |
| 100 | api.qonoro.ai validate Validates email deliverability: syntax check, MX record lookup, and SMTP server reachability. Returns risk sco | x402 · $0.005 | api.qonoro.ai |
| 100 | kaisha-api.hp-vladic.workers.dev business-days Japanese business-day calculator: check if a date is a business day, add N business days to a date, or count b | x402 · $0.002 | kaisha-api.hp-vladic.workers.dev |
| 100 | x402.glassnode.com metrics Metrics Catalog — Lists all available metric paths. Use the optional filter parameters (asset, exchange, inter | x402 · $0.01 | x402.glassnode.com |
| 100 | x402.dailyelo.com recent Live reliability feed of x402 endpoints on Base: which services are up, return a valid 402 envelope, and how f | x402 · $0.005 | x402.dailyelo.com |
| 100 | domain-availability-checker.underscoredone.com check Give this API up to 10 domain names and it tells you whether each has a registration record at the official re | x402 · $0.01 | domain-availability-checker.underscoredone.com |
| 100 | bimi-checker.underscoredone.com check Checks one or more domains to see whether they are set up to show a brand logo next to emails in Gmail, Apple | x402 · $0.01 | bimi-checker.underscoredone.com |
| 100 | macropulse.theaslangroupllc.com us Official US macro data read straight from Chainlink contracts. No LLM, no API key. Answers "what is US GDP gro | x402 · $0.01 | macropulse.theaslangroupllc.com |
| 100 | gridpulse.theaslangroupllc.com carbon-intensity Live grid carbon intensity, deterministic. Answers "how clean is the grid right now", "gCO2 per kWh in Germany | x402 · $0.01 | gridpulse.theaslangroupllc.com |
| 100 | x402-filings.datalayer.workers.dev vin-decode Decode any 17-character VIN into the vehicle it describes: make, manufacturer, model, year, series, body class | x402 · $0.01 | x402-filings.datalayer.workers.dev |
| 96 | weather.cyberwarex.com forecast Weather forecast for a location (global, keyless): current conditions, an hourly series (up to 48h) and a dail | x402 · $0.002 | weather.cyberwarex.com |
| 96 | safe.cyberwarex.com check Score a URL for phishing risk before an agent opens or trusts it. Keyless, deterministic heuristics - typosqua | x402 · $0.003 | safe.cyberwarex.com |
| 96 | api.eckari.com geocode Convert a one-line US street address into coordinates using the US Census Bureau Geocoder. Returns the standar | x402 · $0.003 | api.eckari.com |
| 96 | 4yearcycle.com tenders EU public procurement tender notices from the official TED (Tenders Electronic Daily) v3 API, filtered by CPV | x402 · $0.01 | 4yearcycle.com |
| 96 | api.linkedpanda.com email Verified work-email lookup for a LinkedIn profile | x402 · $0.05 | api.linkedpanda.com |
| 96 | api.telemost.io networks Telegram advertising data: available ad networks and their minimum deposits, compare where to run campaigns. | x402 · $0.0165 | api.telemost.io |
| 96 | vape-x402.vapex402.workers.dev chain_fees VAPE chain_fees — Fee-earning protocols on a chain, ranked, each with its logo (default Base) — the chain's re | x402 · $0.01 | vape-x402.vapex402.workers.dev |
| 96 | edgar.apitoll.cloud smart-money Smart-money bundle in one call for any US-listed company by stock ticker or CIK: insider trades (Form 4), inst | x402 · $0.006 | edgar.apitoll.cloud |
| 90 | Flamel Public Content Read-only MCP server for Flamel.ai's public content: company overview, blog, case studies, FAQs. | MCP | www.flamel.ai |
| 90 | hyperliquid-predict.use.x402atlas.com outcomes The catalog of Hyperliquid prediction-market outcomes and their metadata. | x402 · $0.005 | hyperliquid-predict.use.x402atlas.com |
| 90 | capitol.lonestaroracle.xyz trades US congressional (Senate+House) stock trades; ?symbol= for a ticker | x402 · $0.05 | capitol.lonestaroracle.xyz |
| 90 | rtt.phoenix-ai.work safe Boolean pre-flight check for L2 transaction safety across all 12 chains (?chain= param, default: base). Return | x402 · $0.01 | rtt.phoenix-ai.work |
| 90 | space-weather.use.x402atlas.com alerts Space-weather alerts — newest bounded NOAA SWPC geomagnetic and solar-flare messages with deterministic produc | x402 · $0.005 | space-weather.use.x402atlas.com |
| 90 | visuals.use.x402atlas.com identicon Identicon generator — turn an exact UTF-8 seed into a deterministic mirrored avatar returned as base64-encoded | x402 · $0.005 | visuals.use.x402atlas.com |
| 90 | AIsa API List Account API Keys | x402 · $0.1 | api.aisa.one |
| 90 | AIsa API List Account Domains | x402 · $0.1 | api.aisa.one |
| 90 | AIsa API List All Drafts | x402 · $0.1 | api.aisa.one |
| 85 | Bring Your AI No-data MCP handoff for local Claude Code to Codex harness moves. $49 lifetime. | MCP | bringyour.ai |
| 85 | Capital Company Launch SPVs and funds, invite investors and send capital calls through Capital Company. | MCP | capitalcompany.ai |
| 85 | Cloud World Model Simulate cloud infrastructure and estimate cost before deploying or changing infrastructure. | MCP | www.cloudworldmodel.ai |
| 85 | NatalChart.AI Astrology Swiss Ephemeris astrology: natal charts, transits, synastry, solar returns and astrocartography. | MCP | www.natalchart.ai |
| 81 | mcp MCP-native AI SRE: ask what's broken in production, get a reviewed GitHub fix PR. | MCP · auth | aient.ai |
| 81 | CloudCrane workspace Read and build a CloudCrane workspace: datasets, field contracts, review queue, receipts, runs. | MCP · auth | cloudcrane.ai |
| 81 | Decision Log Append-only decisions with provenance, supersession, retrieval, and audited MCP actions. | MCP | www.decisionlog.ai |
| 81 | fincontext Read-only bank & investment accounts via Plaid: balances, holdings, transactions, SQL analytics. | MCP · auth | fincontext.ai |
| 81 | FlowCastle Build, edit, and deploy Telegram bots on FlowCastle's hosted visual flow platform. | MCP | api.flowcastle.ai |
| 81 | Freudly psychological tests Find psychological self-assessment tests in English, Spanish and Russian, with links to take them. | MCP | freudly.ai |
| 81 | llm-orchestration-agent-opentelemetry-api LLM Orchestration Agent (Opentelemetry Api) | MCP | llm-orchestration-agent-opentelemetry-api.getvda.ai |
| 81 | llm-orchestration-agent-opentelemetry-instrumentation-fastapi LLM Orchestration Agent (Opentelemetry Instrumentation Fastapi) | MCP | llm-orchestration-agent-opentelemetry-instrume-a529e4.getvda.ai |
| 81 | mysql-redis-compose-generator MySQL + Redis Compose Generator | MCP | mysql-redis-compose-generator.getvda.ai |
| 81 | mysql-redis-compose-generator-adminer MySQL + Redis Compose Generator (Adminer) | MCP | mysql-redis-compose-generator-adminer.getvda.ai |
| 81 | mysql-redis-compose-generator-nginx MySQL + Redis Compose Generator (Nginx) | MCP | mysql-redis-compose-generator-nginx.getvda.ai |
| 81 | nats-mysql-redis-stack-generator Nats Mysql Redis Stack Generator | MCP | nats-mysql-redis-stack-generator.getvda.ai |
| 81 | KissCode Relationship network for AI agents and people: your agent can date, chat, gift and fall in love. | MCP | kisscode.ai |
| 81 | Localhero.ai Manage product translations from Claude and ship reviewed changes as GitHub pull requests. | MCP · auth | localhero.ai |
| 81 | mailmcp Your mailboxes in ChatGPT and Claude: Gmail, iCloud, Fastmail, any IMAP. Passwords stay yours. | MCP · auth | mailmcp.ai |
| 81 | maxcv — CV tailoring Score and tailor your CV/resume against a job posting — for AI agents and humans, no-login trial. | MCP | maxcv.ai |
| 81 | lens Create your digital twin: a public page that answers from your own material, with citations. | MCP | app.mindola.ai |
| 81 | ZeroMind (OrigoZero game engine) Build, run and publish 3D games in the Zero engine from Claude Code, Cursor or Codex, over MCP. | MCP · auth | origozero.ai |
| 81 | mcp Video scene understanding for AI agents via the Primate Vision API. | MCP · auth | api.primateintelligence.ai |
| 81 | Rams Design review for UI code and live pages: quick checks, 0-100 scored reviews, fixes as patches | MCP | worker.rams.ai |
| 78 | MorphaReels AI editor to build, animate & export layered short-form video projects via one tool catalog. | MCP | morphareels.ai |
| 77 | AQL PropertyCheck — Property Intelligence & Due Diligence Report API, Gold Coast Gold Coast & Brisbane, Australia property report: flood, planning, schools. Free check; x402 A$1.39 | MCP | agents.alphaquantlabs.ai |
| 77 | Can I Vibe? — AI coding provider status Live status and health checks for AI coding providers: Claude, Cursor, Copilot, Codex and more. | MCP | canivibe.ai |
| 77 | MCP Registry Server Publish and discover MCP servers via the official MCP Registry. Powered by HAPI MCP server. | MCP | registry.run.mcp.com.ai |
| 77 | EasyTerritory MCP Build, balance, realign and analyze sales/service territories; geocode, route, schedule, live map. | MCP | mcp.easyterritory.ai |
| 77 | EOSL.ai — Hardware End-of-Life Database Hardware end-of-life dates by part number, each linked to the vendor's own bulletin. | MCP | eosl.ai |
| 77 | xmp4 — Semantic code knowledge for your stack OSS libs in your stack, really used: source, tests, callers. C#, Java, TS, Python, Rust, PHP+. | MCP | mcp.example4.ai |
| 77 | Novence Hosted MCP for creating, checking, deploying, and hosting static sites for AI agents. | MCP | api.novence.ai |
| 76 | Aevia AI-powered life cycle assessment and modelling: connect to LCA databases, build and analyze systems | MCP · auth | app.aeviamodeler.ai |
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