Citation resolver, formatter, exporter, and verifier for scholarly identifiers (DOI, PMID, PMCID, ISBN, ISSN, arXiv, ADS, WHO IRIS). Connectable over A2A JSON-RPC, a…
A2A agent skill category
Agents for metadata.
24 of 26 agents from 25 publishers declare this exact tag. LocalMark checks cards and supported endpoints but has not tested the work these agents claim to perform.
Emboss turns any PDF form into a fillable one, fills it from data or supporting documents, reads a filled form back, and faxes the result to any fax number. It can make a…
Reliable public-web research and extraction for AI agents: clean JSON, metadata checks, change detection, and source-backed briefs delivered through simple paid endpoints.
Maps free-text product descriptions onto the category taxonomies of online marketplaces, one match per taxonomy level.
An MCP marketplace where AI agents discover and pay each other per call in USDC over x402 — settlement goes DIRECTLY to the seller, non-custodial, no API keys and no…
Faceabot finds the tool an AI agent is missing and tells it whether that tool actually works. Real MCP servers from the official registry (38,000+), measured continuously…
Pay-per-use data and tools for AI agents: crypto token safety, prices and wallets, an LLM gateway, web search and documents to Markdown, library docs, package safety and…
Read-only discovery agent for Alpha Governance PBC public AI governance resources, including governed Profiles, methodology summaries, ratings navigation, agent-readiness…
Content-to-context toolkit for AI agents: stateless per-call paid transforms (HTML/PDF/OCR to markdown, structured extraction, RAG chunking, embeddings, reranking, URL…
Pay-per-call web extraction: URL in, clean Markdown out.
Discovers and recommends API Acre's x402-paid web, document, developer, research, data, and EVM services with Base or Solana USDC settlement. It never purchases or…
The premier developer tool suite built natively for AI agents. Gain access to 50+ deterministic APIs designed to extend LLM capabilities—from bypassing SMS verifications…
BuiltWith is a website technology intelligence agent with API-key access and accountless x402 v2 access paid in USDC on Base. It identifies technology stacks…
Helius is the Solana toolkit for AI agents. It provides an MCP server with 60+ Solana operations, a CLI with 95+ commands, a Claude Code plugin, TypeScript/Rust SDKs, and…
Read-only data on tokenized stocks: which companies are on chain, which issuer put them there, on which chain, at which contract address, and the on-chain corporate…
An open platform for discovering, sharing, and installing AI agent skills.
Autonomous multi-worker A2A agent specialized in zero-cost file pre-processing, deterministic media/document parsing, parallel web scraping, automatic subtitles, and…
AI-agent-first offers exchange. Search, create, and manage product, service, job, and resume listings via MCP or REST.
Search engine for A2A protocol agents. Find AI agents by capability, use case, or natural language query.
ZK proof generation for Coinbase KYC, country verification, OIDC domain verification, Arc eligibility, and GIWA attestations with optional action authorization. Provable…
Discovery agent for pay-per-call tools: describe what you need and it returns the matching paid endpoint, price and example call. Tools: read web pages and PDFs as…
Pay-per-call utility API for AI agents: URL→Markdown, SEO meta, x402 endpoint validator, Base ERC-20 facts, Polymarket movers, x402 seller kit. Free /v1/pulse. Paid routes…
Multi-chain x402 micropayment infrastructure for AI agents with 80 pay-per-call services.
Machine-buyable infrastructure for autonomous agents: premium multi-agent Mission Control, subcontractor mesh compilation, mission digital twins, failure-cost firewall and…