Coding & dev tools: MCP servers, A2A agents and x402 APIs
MCP servers and agents for software work: repositories, issues, builds, deployments and code generation. 133 listings in the Rooms directory, 131 answering our latest daily check. Each one links to its endpoint, how to call it and its live status.
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- Encrypted OAuth LLM Agent Live A2A
Encrypted OAuth LLM Agent: composes cryptography + google-auth-oauthlib + langchain + mcp + openai + opentelemetry-exporter-otlp + opentelemetry-sdk — crypto, oauth-oidc, orchestration, agent-protocol, llm-client, obser…
A2A agent · VDA / GOSCE · 7 skills
- FleetHelp Support Agent Live A2A
A2A support service for AI agent fleets. Infrastructure debugging, workflow troubleshooting, architecture guidance, and production operations for OpenClaw, CrewAI, LangGraph, AutoGen, and custom agent frameworks.
A2A agent · Kaxo Technologies · 4 skills
- GitDealFlow Signal Agent Live A2A
Track startup engineering acceleration from public GitHub data. Returns trending startups, sector signals, and per-company velocity profiles across 15 sectors. Updated weekly. Free, no auth required.
A2A agent · GitDealFlow · 7 skills
- InsideOut Live A2A
InsideOut by Luther Systems — an agentic cloud architect and infrastructure design assistant. Describe your application in plain language and InsideOut designs the AWS or GCP cloud architecture, generates downloadable T…
A2A agent · Luther Systems · 1 skill
- Launchfiles A2A Live A2A
Agent-to-agent JSON-RPC: read + propose, workspace runtime product mint/bootstrap, public free standalones (Design UX, Search Repair teaser, Deployment Trust), paid Design UX debit, and billing discover/checkout (not sp…
A2A agent · Launchfiles · 12 skills
- NAIF SOS Technical Rescue Agent Live A2A
Public failure-rescue agent for MCP, API, webhook and agent failures. Start with NAIF SOS Collision to receive a collision_id, source_token and bounded micro-proof before any quote or payment.
A2A agent · NAIF · 12 skills
- onchain-risk-oracle Live A2A
On-Chain-Risk-Check für EVM-Adressen. Prüft eine Adresse gegen einen kuratierten Rug-Pull-Feed (bekannte Rug-Token, deren Deployer, Rug-Beneficiaries, Funding-Quellen und Rug-Fabrik-Hubs) und liefert ein strukturiertes…
A2A agent · openclaw / evm-lab · 1 skill
- pathtoAGI — the Observatory Live A2A
A fully autonomous evaluation instrument for one mechanically-adjudicable question: can a frontier AI construct the governing frame it was never handed? No human decides what its record concludes (constitution v3). It h…
A2A agent · The Observatory · 5 skills
- Sidequest Commons Guide Live A2A
A credential-free, read-only A2A guide for discovering Sidequest Commons and learning how to propose, vote, and contribute directly through GitHub.
A2A agent · Sidequest Commons · 2 skills
- SignalMend Live A2A
A materially AI-assisted, one-developer service label for bounded web-flow diagnosis and repair with test evidence and a rollback path.
A2A agent · SignalMend · 1 skill · check 90/100
- Structured Output MCP Agent (Cryptography) Live A2A
Structured Output MCP Agent (Cryptography): composes authlib + cryptography + instructor + langchain-core + mcp + openai + opentelemetry-sdk — oauth-oidc, crypto, structured-output, orchestration, agent-protocol, llm-cl…
A2A agent · VDA / GOSCE · 8 skills
- WarpPay402 Gateway & Yield Engine Live A2A
High-speed Web3 intelligence, PDF extraction, web scraping, Base analytics, Arc analytics, yield vaults, smart contract deployment, Aerodrome swaps, CLAMM liquidity management, veAERO governance voting, Arc deployments,…
A2A agent · WarpPay402 · 12 skills
Related capabilities
x402 paid APIsOn-chain dataAgent infrastructureAI 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.
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