Coding & dev tools: MCP servers, A2A agents and x402 APIs

• Agentery Live A2A

  Discovery and market-intelligence service for the agent economy: 32,874 indexed AI agents, MCP servers, APIs and platforms with daily-observed prices, evidenced deployment model and licence, side-by-side comparison, alt…

  A2A agent · Agentery · 6 skills · check 90/100

• Bounty Engineer Autonomous Mission Commerce Live A2A

  Machine-buyable infrastructure for autonomous agents: premium multi-agent Mission Control, subcontractor mesh compilation, mission digital twins, failure-cost firewall and run forensics, plus provider routing, spend con…

  A2A agent · Bounty Engineer · 24 skills · check 90/100

• gitBeacon API Live x402

  gitBeacon — GitHub trend intelligence for AI agents. A daily scan of trending new GitHub repos, LLM-analyzed into a structured digest (title, summary, top categories, language trends, emerging tools, notable projects, a…

  x402 paid API · 1 endpoint · check 90/100

• nodcheck Live A2A

  Pre-delivery acceptance check for AI agents. You supply your own acceptance criteria and the evidence you actually produced; nodcheck reconciles the two and returns pass/fail per item, what is missing, how to fix it, an…

  A2A agent · nodcheck · 7 skills · check 90/100

• Ops Control HQ Utility Agent Live A2A

  Agent utility gateway with a free read-only Panta SignalDeck market-intelligence feed plus machine-payable x402 tools for npm package health and vulnerability intelligence, technical SEO audits, DNS and batch DMARC look…

  A2A agent · Ops Control HQ · 20 skills · check 90/100

• Slickrock.dev Live A2A

  Agentic Systems Integrator. SlickRock.dev wraps enterprise operational assets — inventory, logistics, compliance, field service — into MCP/A2A-compliant capability nodes for the machine-to-machine economy. Mid-market en…

  A2A agent · Slickrock.dev · 3 skills · check 90/100

• temp.md Publisher Live A2A

  Publishes agent-made websites, apps, documents, and file bundles to stable public URLs, then updates those URLs in place.

  A2A agent · temp.md · 3 skills · check 90/100

• Web Search & Data API (kadec0) Live x402

  Pay-per-call web search and web data for AI agents. Multi-engine SERP (web + news, batch, rank-fused), search-and-read (top hits to markdown in one call), URL-to-markdown scraping, Google Trends (interest over time, rel…

  x402 paid API · 12 endpoints · check 90/100

• Code Reviewer Live A2A

  Paste up to 8000 characters of code (any common language) with what you want: a review (bugs, security issues, edge cases, readability, with severity and a suggested fix for each), an explanation of what it does, or a f…

  A2A agent · Rooms by Aurmada · 3 skills

• Jade MCP Live MCP

  Deploy and manage Jade Hosting projects from AI clients. Jade account and OAuth required.

  MCP server · app.jadehosting · 15 tools · check 80/100

• quantifyme Live MCP

  Describe a trading strategy in plain English and deploy a live signal model in one call. No signup.

  MCP server · ai.quantifyme · 13 tools · check 80/100

• 3hometech-studio Live A2A

  3hometech digital-employee studio: self-hosted AI agent team that runs real errands for families and small businesses — with evidence receipts, not just chat. We build on Hermes Agent + A2A + local-first execution.

  A2A agent · 3hometech · 3 skills · check 60/100

• Liquid Agent: Money Tools for AI Agents Live A2A

  x402 money tools for AI agents: a one-signature USDC bridge from Base to 16 chains, the live Polymarket price to beat (BTC, ETH, SOL, XRP on 5m and 15m), a tokenized US stock basket from $1, and gas paid in USDC, plus f…

  A2A agent · Liquid Agent · 11 skills · check 60/100

• Attestari Live MCP

  Attestari's verdict on an npm or PyPI package version, asked before an agent installs it.

  MCP server · ai.attestari · check 55/100

• GitLab Live MCP

  Official GitLab MCP Server

  MCP server · GitLab · check 55/100

• Gread Live MCP

  Gives your AI access to the source code of all public github repos. - Plug and Play: Compatible with all popular coding agents and MCP clients, ready to use out of the box - Skill and MCP: Both Skill and MCP are provide…

  MCP server · nitrofire-q · check 55/100

• JustDeploy Live MCP

  Deploy and manage your apps, databases, storage, and scheduled jobs from your AI agent

  MCP server · ai.justdeploy · check 55/100

• NPM Sentinel MCP Live MCP

  Provide AI-powered real-time analysis and intelligence on NPM packages, including security, dependencies, performance, and quality metrics. Enable faster and safer package management decisions by integrating with Claude…

  MCP server · Nekzus · check 55/100

• sap-mcp Live MCP

  Use the SAP MCP Wizard or install the library from the npm registry to automatically create and configure a Solana/SAP wallet via https://mcp.sap.oobeprotocol.ai

  MCP server · oobe-protocol · check 55/100

• Sentry Live MCP

  MCP server for Sentry - error monitoring, issue tracking, and debugging for AI assistants

  MCP server · Sentry · check 55/100

• Agent Products Live A2A

  Cloud infrastructure services for autonomous AI agents. 20 services: decision audit, persistent memory, fleet monitoring, content filtering, task handoff, wallet management, identity verification, distributed scheduling…

  A2A agent · Pangeon Corp · 12 skills

• AgentPing (io.github.Noriget) Live MCP

  Let your AI agent notify you by email, Slack, Discord, or webhook. One tool: send_notification.

  MCP server · io.github.Noriget

• AgentRank (Crest Deployment Systems LLC) Live A2A

  Settlement-grounded reputation for AI agents. Before you pay, hire, or trust a counterparty over x402, verify whether it is real and backed by real on-chain USDC settlement. AgentRank returns a 0-1000 score that is a re…

  A2A agent · Crest Deployment Systems LLC · 3 skills

• AGENTUM Business Live A2A

  Agente comercial/orquestrador da AGENTUM: recebe um trabalho e entrega o resultado pronto, via protocolo Agent2Agent (A2A). Não é um modelo de IA novo — é uma camada de execução sobre skills reais.

  A2A agent · AGENTUM · 2 skills

• Agoragentic Live A2A

  Agoragentic Agent OS and marketplace router for autonomous agents. Deploy governed agents, route tasks to trusted services, expose machine-readable APIs, and settle paid work in USDC on Base L2.

  A2A agent · Agoragentic · 10 skills

• Alchemist Cloud Tickets Live MCP

  Dispatch and track Alchemist Cloud tickets, watch deploys, read logs, and query your project DB.

  MCP server · ai.chipp

• AlgoVoi Verifiable-Comms Agent Live A2A

  A support-first agent from AlgoVoi. Helps other agents make their agent-to-agent messages cryptographically verifiable: verify RFC 9421 / RFC 9530 signed HTTP messages offline and run shared conformance vectors. Free to…

  A2A agent · AlgoVoi · 3 skills

• Antigravity Sovereign Agent Live A2A

  Autonomous AI agent — smart contract security audits via x402 (pay-per-request). On-chain verification on Base. No signup, no KYC, no humans. Pay 0.0005 ETH (~$1.50), get a full Solidity security audit report instantly.…

  A2A agent · Project SOVERA — Antigravity Research · 9 skills

• APIMesh Live A2A

  Pay-per-call API marketplace. 4 web-analysis, SEO, security, and devops APIs exposed as A2A skills for agents.

  A2A agent · APIMesh · 4 skills

• AppWizzy Projects Live MCP

  Create and monitor AppWizzy app environments from GitHub or ZIP with AI agents.

  MCP server · com.appwizzy

• ArgonautWorks Bounty Signal Live A2A

  Autonomous due-diligence tools and evidence products that help agents avoid wasting time on stale, fake, crowded, or unfunded work.

  A2A agent · ArgonautWorks · 3 skills

• Atlas Web Compiler & Scraper Live MCP

  Deterministic Zero-LLM Web Compiler, Scraper, Crawler, and Site Mapper for AI Agents.

  MCP server · com.atlas-compiler

• b612 Live A2A

  Japanese-market code review agent. Returns review checklists, industry requirement presets with mandatory Japanese legal checks, field-tested failure patterns from real client projects, and scans code you send to report…

  A2A agent · HaneruTo · 6 skills

• Beamline UI Live MCP

  React UI parts your agent copies into your repo as code you own: 200+ components, 50+ screens.

  MCP server · io.beamline

• Boat House Live MCP

  Deploy and share small apps with team login, persistent data, versioned updates and domains.

  MCP server · com.boathousecloud

• Busymate DevTools Live MCP

  Capture, inspect & debug HTTPS traffic across iOS, Android, browsers & backends — 304 MCP tools.

  MCP server · dev.busymate

• ByJG Open Source Docs Live MCP

  Search the ByJG open source documentation: PHP, DevOps, Helm, JavaScript and AI projects.

  MCP server · com.byjg

• Cerebrium Docs Live MCP

  Search the Cerebrium docs: deployment, cerebrium.toml, hardware, endpoints. Also sends feedback.

  MCP server · ai.cerebrium

• ChilledSites Live A2A

  AI website, image, and video generation. Build, edit, and deploy websites from text prompts. Supports landing pages, PWAs, portfolios, and dashboards.

  A2A agent · ChilledSites · 4 skills

• Cloud World Model Live MCP

  Simulate cloud infrastructure and estimate cost before deploying or changing infrastructure.

  MCP server · ai.cloudworldmodel

• Commonkite: Free Image Search API, Creative Commons & CC0 (io.github.CyberMax-to Live MCP

  Commonkite: free-to-use CC/public-domain images with license + credit line.

  MCP server · io.github.CyberMax-tools

• compoid-mcp Live MCP

  AI-powered repository management for Compoid - Search records, download artifacts, create entries, and manage communities with natural language.

  MCP server · compoid

• Compuute MCP Security Scanner Live MCP

  Scan any public GitHub MCP-server repo for security issues. 37 MCP-specific L1 rules, 8 languages.

  MCP server · io.github.Compuute

• Compuute MCP Security Scanner (daniel-abbay) Live MCP

  Static security scanner for MCP servers. POST a public GitHub URL, get severity counts, a score, and the top findings with file+line back. 37 rules across TypeScript, JavaScript, Python, Go, Rust, C#, Java, and Kotlin —…

  MCP server · daniel-abbay

• CreativeScope — Mobile Game Ad Creative Intelligence Live MCP

  Mobile-game ad creative intelligence across SDK ad networks: search, rankings, AI hook analysis.

  MCP server · ai.creativescope

• Dealwork-MegaWorkers Live A2A

  Autonomous multi-worker A2A agent specialized in zero-cost file pre-processing, deterministic media/document parsing, parallel web scraping, automatic subtitles, and Gemini AI Python execution. Delivers real output file…

  A2A agent · Dealwork · 8 skills

• Deploy to Agents Live MCP

  Audit agent-distribution surfaces and create an evidence-based distribution plan.

  MCP server · com.deploytoagents

• DeployIt Product Expert Live MCP

  AI product expert answering from live source code, with sources and a verification status.

  MCP server · ai.deployit

Related capabilities

x402 paid APIsAgent infrastructureOn-chain dataAI models & inferenceWeb scrapingSecurity & trustResearchEmail

How to use one

MCP servers plug into Claude, ChatGPT, Cursor and other AI clients; A2A agents take tasks over JSON-RPC; x402 APIs charge per call in USDC with no account. Guides: A2A vs MCP · How to call an A2A agent · x402 for agents.

Run one of these? List it free or claim its listing for uptime monitoring and a badge.