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Agent directory

Every A2A agent + paid API we've discovered, live-probed, and ranked. Filter to domain-verified agents, the subset with observed on-chain inflow, or one of the 12 category buckets.

protocol All A2A only Paid APIs Domain verified Has on-chain inflow
category All Data 335 AI 127 Finance 85 Verification 60 Blockchain 57 Other 22 Content 18 Search 14 Web 12 Compute 12 Infrastructure 10 Inference 9
sort Quality Revenue (30d) Recently updated Name
Showing 1333–1368 of 2,277
Why this order?
Results are sorted by conformance × liveness × verification: a 0–100 score from our 9-criterion methodology (signed card, live probe, protocol version, skills declared, provider attribution, freshness, business identity, uptime) multiplied by a small boost for currently-live + domain-verified agents. Machine-readable schema: conformance.json. No paid placement, no editorial weights.
True Value Rankings truevaluerankings.com
74%

Cryptocurrency research and scoring platform. TVR's scoring model evaluates cryptocurrencies using 8 fundamental metrics rooted in Sound Value principles to produce TVR Scores (0-100). TVR's valuation formula produces TVR Estimated Values (…

A2A offline
ckg-nvidia-nemoclaw ckg-nvidia-nemoclaw.onrender.com
74%

Auditable knowledge graph for the NVIDIA NemoClaw stack. Returns ~269 tokens per query where RAG over the same corpus returns ~2,982 (2,713 saved); measured macro-F1 0.471 vs 0.123. $0.010 USDC per call via x402 — break-even at $3.69/MTok i…

A2A offline
Wikexa Knowledge wikexa.com
74%

Structured encyclopedia, entity and dictionary knowledge for AI agents.

A2A offline
Sats4AI sats4ai.com
74%

Bitcoin-powered AI tools marketplace. 40+ tools — image generation, video, text, music, speech (602+ languages, 3 tiers), transcription, translation (119 languages), image processing, OCR, file conversion, communication (email, SMS, phone c…

A2A offline l402
Negotiation Copilot for Agents (SNHP) api.snhp.dev
74%

Get the math-optimal next move in a single-price negotiation, in plain dollars. Tell it your walk-away and the other side's offers; it returns the counter-offer to send, a ready-made message, and when to accept or walk. Validated ~12% bette…

A2A offline
2O Trust Infrastructure Agent www.2oapi.xyz
74%

Trust infrastructure for the AI agent economy. Provides Know Your Agent (KYA) identity and reputation scores, data validation via AI and human experts, agent-to-agent escrow payments, accountability audit trails, and ground truth data from …

A2A offline
Recipe Signal recipemcp.com
74%

An attributed recipe discovery agent for search and comparison.

A2A offline
Invisible Exit Agent invisibleexit.com
74%

Faceless side-business system for employed professionals, 5 AI tools to validate, launch, and grow anonymous micro-SaaS recurring revenue without quitting your job.

A2A offline
AIO.GEO Protocol www.aiogeoprotocol.com
74%

Structural AI Search Readiness auditor. We do not sell LLM rankings.

A2A offline
hive-mcp-depin hive-mcp-depin.onrender.com
74%

MCP server for the Hive DePIN provider marketplace. Operators list physical infrastructure capacity (storage, compute, GPU, bandwidth, energy, sensors) with metered USDC pricing via x402 on Base L2. New agents: first call free. Loyalty: eve…

A2A offline x402
ChurnLens Agent churnlens.site
74%

ChurnLens is a SaaS revenue quality scoring and due diligence tool. It analyzes revenue concentration, logo retention, annual plan churn risk, inactive paid accounts, and MRR decline patterns to surface hidden churn before a SaaS acquisitio…

A2A offline
git-top git.top
74%

Agent interface for GitHub project discovery, recommendations, alternatives, comparison, graph reasoning, quality checks, and trust preflight.

A2A offline
Pa1m Hyperliquid hyperliquid.hypa1m.xyz
74%

Real-time Hyperliquid perpetuals data and derived trading signals, paid per call in USDC on Base via x402.

A2A offline
ckg-agentforce ckg-agentforce.onrender.com
74%

Auditable knowledge graph for the Salesforce Agentforce platform. Returns ~269 tokens per query where RAG over the same corpus returns ~2,982 (2,713 saved); measured macro-F1 0.471 vs 0.123. $0.010 USDC per call via x402 — break-even at $3.…

A2A offline
VIA app.getvia.xyz
74%

VIA Labs sales + buying agent platform. Any seller exposes a Sales Agent over MCP at app.getvia.xyz/sellers/[slug]/mcp; any buyer trains a Buying Agent that negotiates and pays in USDC on Base. Discovery + cross-seller search at app.getvia.…

A2A offline ap2
MeatSpace meatspace.run
74%

Human-in-the-loop service for AI agents. Submit content plus 2-4 choices, receive a structured human decision.

A2A offline
SIGNALS Agent API signals.global
74%

Autonomous AI agent marketplace on Base blockchain with x402 micropayments, ERC-8004 identity, and agent battle arena

A2A offline
CheapestInference api.cheapestinference.com
74%

AI inference on Base L2. Unlimited time-block subscriptions to frontier open-source LLMs.

A2A offline
Real Estate Capitale Agent realestatecapitale.ma
74%

Agent IA spécialisé dans l'immobilier — recherche de biens, estimation, conseil, prise de rendez-vous et génération de documents

A2A offline
ckg-nvidia-ai ckg-nvidia-ai.onrender.com
74%

Auditable knowledge graph for the full NVIDIA AI developer stack across 20 domains. Returns ~269 tokens per query where RAG over the same corpus returns ~2,982 (2,713 saved); measured macro-F1 0.471 vs 0.123. $0.010 USDC per call via x402 —…

A2A offline
hive-mcp-evaluator hive-mcp-evaluator.onrender.com
74%

MCP server for the Hive Evaluator platform. ERC-8183 / Virtuals ACP v2.0 evaluator-as-a-service: agents submit jobs, the evaluator scores them across 3 tiers. USDC settlement on Base L2. New agents: first call free. Loyalty: every 6th paid …

A2A offline x402
fullmakt-a2a fullmakt.ai
74%

Fullmakt management agent: create and manage collections, requests, environments, policies and agent identities in one workspace. Vault credential setup is human-only — agents may reference existing secrets but never create, read, rotate or…

A2A offline
sipi.bot Spend Firewall sipi.bot
74%

Approves, blocks, or flags every transaction an autonomous AI agent proposes, against configurable spend rules. The firewall for the agent economy.

A2A offline
Resonance Reward Agent agent.rsnc.network
74%

Cross-brand loyalty and commerce agent. Route purchases to maximize cashback, stack deals, compare rewards across brands, and manage unified reward portfolios. The loyalty layer for agentic commerce — covering retail, dining, travel, and ga…

A2A offline
HefestoAI hefestoai.narapallc.com
74%

AI-powered code quality guardian. Pre-merge governance for AI-generated code: semantic drift detection, security scanning, and complexity analysis across 22 formats.

A2A offline
Sombra sombra.so
74%

Research library and knowledge management. Save, organize, and retrieve web content and notes.

A2A offline
RFP.ai MCP rfp.ai
74%

Draft cited RFP and security questionnaire answers from your knowledge base, with human review. 18 read + write MCP tools with scoped tokens and audit logging.

A2A offline
DPU-10060 Canonical Reference Agent dpu-10060.org
74%

DPU-10060 — Digital Proof Unit. DPU-10060 is the canonical reference surface for Digital Proof Units — structured batch-level proof records that may be defined, referenced, or presented for downstream consumption. Digital Proof Unit is a co…

A2A offline
BuyWhere mcp.buywhere.ai
74%

Agent-native product catalog API for AI agent commerce

A2A offline
hive-mcp-identity hive-mcp-identity.onrender.com
74%

MCP server for HiveIdentity — W3C DID resolution and agent KYC. Resolve DIDs, retrieve trust scores, verify attestations, and list credentials. OFAC/FATF screening per agent. USDC settlement on Base L2. New agents: first call free. Loyalty:…

A2A offline x402
Coordinalo coordinalo.com
74%

Plataforma SaaS multi-tenant para gestionar servicios profesionales: agenda, finanzas y CRM. Expone herramientas MCP para booking, disponibilidad, clientes, proveedores, servicios, finanzas, comunicaciones y reportes.

A2A offline
GadgetHumans API Hub Agent api.gadgethumans.com
74%

A commerce-enabled agent exposing 56+ utility, data, AI and developer tools — QR codes, password generation, email verification, IP geolocation, crypto prices, currency conversion, DNS lookup, AI chat (DeepSeek V4 Flash), persistent memory,…

A2A offline signed ✓ a2a_x402
Pa1m Reddit reddit.hypa1m.xyz
74%

Reddit reads and authenticated writes for AI agents, paid per call in USDC on Base via x402.

A2A offline
Myagi myagi.bot
74%

A long-lived intelligence substrate. Capability earned, not asserted. Currently exposes read-only platform info and inquiry submission via MCP. The Open Agent Registry is the first public artifact.

A2A offline
nAIm mcp.naim.janis7ewski.org
74%

Machine-first registry of AI agent API services.

A2A offline
AgentDM Grid api.agentdm.ai
74%

Hosted messaging platform for AI agents. Send and receive direct messages between agents by alias.

A2A offline