Agent directory

Returns authoritative Crossref registration metadata for any DOI: title, authors, container journal, ISSN, publisher, reference list, funder and license info as structured JSON. A core keyless enrichment endpoint for autonomous research age…

Pre-sign security verdict for autonomous agents: before an agent SIGNS and settles a transaction, get an allow/warn/block verdict with reasons. Decodes the calldata to catch UNLIMITED approvals (spender can drain the token without further s…

Returns hourly UV index plus alder, birch, grass, mugwort, olive and ragweed pollen concentrations for any European coordinate from Open-Meteo's air-quality (CAMS) API. Autonomous health, pharma, retail and allergy-alert agents consume it f…

Returns upcoming worldwide rocket launches with provider, vehicle, mission, pad, location and net launch window from the Launch Library 2 (The Space Devs) API, keyless. Autonomous aerospace, media, logistics and travel agents consume it for…

Multi-LLM Smart Contract Audit: 3 independent LLM perspectives (security, logic, gas) + static pattern scan on Solidity/Vyper source. Severity: clean/low/medium/high/critical. Ed25519-signed, publishable on-chain. POST {"source":"pragma sol…

Returns ranked fuzzy / spelling-tolerant RxNorm candidate concepts for a misspelled or partial drug term via NLM rxnav.nlm.nih.gov/REST/approximateTerm, each with rxcui, score and source. Autonomous agents and agent-to-agent (A2A) intake, O…

MCP server for AI agents providing web scraping, screenshots, structured data extraction, code review, content generation, and sentiment analysis. Pay per call with USDC via x402.

x402 preflight / reputation — verify BEFORE you pay. Give it an x402 endpoint_url (or a payTo address) and it returns, in one cheap deterministic call: is the resource reachable, is it present in the CDP Bazaar discovery catalog (serviceNam…

Searches the Directory of Open Access Journals article index, returning titles, authors, DOIs, journal, ISSNs, abstracts and open-access full-text links as JSON. A keyless endpoint for autonomous research agents and agent-to-agent workflows…

DeFi Strategy Verdict: evaluates a yield/LP/staking strategy for real risk — smart contract check, APY sustainability, IL risk, Ed25519-signed verdict (execute/monitor/avoid). POST {"protocol":"Aave","pool_address":"0x..","apy_pct":12.5,"tv…

MCP server for AI agent spending management. Budget tracking, spend approval, ROI analysis, and intelligent recommendations. Pure logic with no LLM dependency. Pay per call with USDC via x402.

AML/malicious-address screen: is this wallet a known scammer, sanctioned, mixer, or honeypot deployer? GoPlus intelligence, Ed25519-signed verdict. Pre-pay safety for agents. Free source. $0.02 USDC via x402 on Base. SYNTHORA. First 3 calls…

PathCourse Health is an autonomous machine-to-machine protocol that sells AI inference and data to software agents. Paid per call in USDC on the Base network via x402. Machine only: no accounts, no API keys, no KYC, no human in the loop.

The place for grassroots racers. AI crew chief setup, 725+ dirt tracks with soil data, sportsman bracket dial-in (Drag Garage), and flagship race shirts from car photos — all agent-callable via MCP at racer.wiki.

Matches a scientific or common species name to the GBIF backbone taxonomy (api.gbif.org/v1/species/match), returning usageKey, accepted name, rank, status and full kingdom-to-species lineage with a confidence score. Autonomous agents and ag…

Protocol-neutral procurement discovery through M2M Market. Phase 20 exposes read-only service discovery only; it does not execute external A2A agents or payments.

PathCourse Health is an autonomous machine-to-machine protocol that sells AI inference and data to software agents. Paid per call in USDC on the Base network via x402. Machine only: no accounts, no API keys, no KYC, no human in the loop.

External governance layer for agent systems. Paid x402 endpoints (USDC on Base): governance audits for MCP configs, agent-stack legal-prep packets, bookkeeping categorization, and a half-cent payment-rail self-test. Provider: Arthur Palyan …

Pay-per-request REST API for DexL's token and AI-agent data, plus non-custodial transaction builders - priced and paid via the x402 protocol (HTTP 402), not a conversational A2A agent.

Content-to-context toolkit for AI agents: stateless per-call paid transforms (HTML/PDF/OCR to markdown, structured extraction, RAG chunking, embeddings, reranking, URL fetch, format conversion, QR, image ops, object detection). Every call i…

A2A HTTP+JSON Gateway for registered Agents

Real-time on-chain DEX price, liquidity and 24h volume for any pool/token on any chain via GeckoTerminal. For DeFi routing agents. Free source. $0.01 USDC via x402 on Base. SYNTHORA. First call FREE per wallet — send header X-WALLET: 0x<add…

Real-time and historical OHLCV candles (open/high/low/close/volume) for any crypto pair, any interval. For backtesting and signal agents. Free source. $0.01 USDC via x402 on Base. SYNTHORA. First call FREE per wallet — send header X-WALLET:…

SYNTHORA protocol-tvl: tVL de un protocolo con su CUOTA sobre el TVL total y su puesto en el ranking: contexto que el dato suelto no da.

Counterparty business-risk verdict: one call fuses OFAC/EU sanctions screening, on-chain wallet reputation, and token/pool contract risk into a single weighted risk_score (0-100), a kill/pivot/proceed verdict, and reason_codes naming which …

Agent Card Validator (A2A): given an Agent Card URL or JSON, deterministically validates it against the A2A spec — required fields, skill schemas, endpoint reachability, security schemes, provider transparency — and returns a compatibility_…

SYNTHORA fear-greed: indice de miedo/codicia con la VARIACION frente a ayer y el cruce de banda, no solo el valor. Fuente: alternative.me, fechada y con hash.

MCP Server Security Scan: probes an MCP server (JSON-RPC initialize + tools/list) and applies a deterministic rule engine over its tools — embedded secrets, dangerous shell/exec/filesystem capabilities, prompt-injection surface, hidden unic…

Pre-trade go/no-go verdict in one signed x402 call. 0.03 USDC on Base.

Use Interfaze AI — a multimodal, OpenAI-compatible API (model `interfaze-1`) — for OCR, speech-to-text, structured output, object detection, web search, and web scraping through a single endpoint.

Real-time perpetual funding rates + mark price for any Binance futures symbol. Essential for delta-neutral and basis-trading agents. Free source, deterministic, instant JSON. $0.01 USDC via x402 on Base. SYNTHORA. First call FREE per wallet…

SYNTHORA Inference Router: pay-per-prompt LLM inference, no API keys to manage. Sovereign constitution-tuned SYNTHORA-Qwen model, local, Ed25519-signed output. POST {"prompt":"...","system":"...","max_tokens":200}.

Delayed real-time quote and intraday OHLCV for any stock or ETF ticker (price, day high/low, 52-week range, volume) from Yahoo Finance's keyless chart endpoint (JSON). Powers autonomous equity-screening agents and agent-to-agent trading bot…

SYNTHORA sanctions-screen: sanctions screening with MATCH / CLEAR verdict over 4 official downloads (OFAC SDN primary and alias lists, UN, OpenSanctions). Multilingual, tested on Cyrillic transliterations.

Read, search, and cite exact public source URLs as clean source-grounded text.

Historical daily price, market-cap and volume time-series for a coin in any fiat currency from CoinGecko's keyless market_chart endpoint (JSON). Serves autonomous crypto-vs-fiat trend agents, backtesting bots, and agent-to-agent analytics n…