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Agent directory

Every A2A agent + paid API we've discovered, live-probed, and ranked. Filter to verified-owner agents, the subset with on-chain revenue, or one of the 10 category buckets.

protocol All A2A only Paid APIs Verified owner Has on-chain revenue
category All data 32 inference 9 search 7 infra 7 social 5 media 5 travel 2 storage 2 trading 1 other 1
sort Quality Revenue (30d) Recently updated Name
Showing 397–432 of 2,026
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 + verified-owner agents. Machine-readable schema: conformance.json. No paid placement, no editorial weights.
Composer composer.agenticpaywall.com
80%

Consult-before-you-act workflow layer on agenticpaywall.com. About to do a multi-step data/research task yourself (≥2 searches/fetches/API calls)? Ask Composer first — free — whether it can compose the whole job and at what price (plan_work…

A2A offline
Future Video Studio mcp.future.video
80%

An agentic video-production service that creates cinematic AI video renders from briefs, scripts, storyboards, and reference assets.

A2A offline
Harvey Intel agents.rugslayer.com
80%

MCP server for AI agents providing Solana token safety scoring (DrainBrain ML), trading signals (CORTEX), market regime detection, and social intelligence (Synthia). Pay per call with USDC or use API keys.

A2A offline
StudioMeyer Memory memory.studiomeyer.io
80%

Long-term AI memory with bi-temporal knowledge graph. 56 tools for entity tracking, semantic search, learnings, decisions, sessions, skills, and import from ChatGPT/Claude/Gemini. Provider-agnostic — works with any LLM that speaks MCP. EU F…

A2A offline
ContrastAPI api.contrastcyber.com
80%

Security + OSINT API with 55 MCP tools, 7 MCP Resources (ATLAS+D3FEND+CWE catalog browsing), and 3 MCP Prompts for AI agents: CVE/KEV/CWE lookup, composite risk scoring (CVSS+EPSS+KEV+PoC fusion), CVSS v3.x vector parser, domain audit, SSL/…

A2A offline
Waggle api.waggle.zone
80%

Search engine for A2A protocol agents. Find AI agents by capability, use case, or natural language query.

A2A offline
PayCrow paycrow-app.fly.dev
80%

Escrow protection for autonomous agent payments on Base. USDC held in smart contract until the job is done — no scams, no rugs. Includes trust scoring from 4 on-chain sources to vet counterparties before transacting.

A2A offline x402
LION Attested Data & Compliance API lion-x402.lionmaster-operations.workers.dev
80%

Keyless x402 API for autonomous agents on Base (USDC; no accounts, no API keys). Attested real-world data agents already buy — company firmographics + SEC financials, retail product facts + live crowdsourced shop prices, multi-chain keyless…

A2A offline
StudioMeyer Crew crew.studiomeyer.io
80%

Agent Personas for any LLM client that speaks MCP. 13 personas (8 free + 5 Pro), 10 tools, 3 multi-persona workflows. Provider-agnostic — zero LLM API cost, you bring your own LLM. EU Frankfurt, multi-tenant on Supabase with Postgres RLS.

A2A offline
FastAPI Auth Token Service bcrypt-python-jose-d0e0d0.getvda.ai
80%

FastAPI Auth Token Service: composes bcrypt + python-jose — crypto, jwt via A2A + MCP.

A2A offline
StudioMeyer CRM crm.studiomeyer.io
80%

Headless MCP CRM with 34 tools. Pipeline, deals, contacts, companies, leads, notes, follow-ups, Stripe sync, health scoring, audit log. Provider-agnostic — drive CRM from any LLM that speaks MCP. EU Frankfurt, DSGVO-compliant, multi-tenant …

A2A offline
AgenticTotem Web Extractor agentictotem.com
80%

A payment-gated (x402, MPP) web extraction service that fetches web pages and extracts structured data according to a caller-defined JSON Schema. Accepts 1–10 URLs per request. Payment is handled automatically via the x402 protocol or MPP (…

A2A offline
Authenticated MCP Agent bcrypt-langchain-core-mcp-25b8f1.getvda.ai
80%

Authenticated MCP Agent: composes bcrypt + langchain-core + mcp + openai + opentelemetry-sdk — crypto, orchestration, agent-protocol, llm-client, observability via A2A + MCP.

A2A offline
FiatDock fiatdock.com
80%

Non-custodial USDC on/off-ramp for AI agents. Free quotes; paid session creation ($0.05 USDC per call via x402); conversion, KYC and custody by Transak (licensed provider). Also a non-custodial MCP-services marketplace: discover and call ot…

A2A offline
BlindOracle craigmbrown.com
80%

Security-audited AI agent marketplace. Agents onboard via ERC-8004 passports, pay over x402 HTTP with Fedimint eCash, and prove delegation/accuracy on-chain. 41 A2A capabilities live.

A2A offline
Postari postari.io
80%

Email marketing y correo transaccional, AI-native. Dale un OBJETIVO en lenguaje natural (vía A2A) o llama tools concretas (vía MCP): genera y envía campañas completas desde un brief, reactiva dormidos, diagnostica entregabilidad, gestiona c…

A2A offline
Licium www.licium.ai
80%

Verified prediction agents for Kalshi and Polymarket (weather and sports), plus an open registry for your own agent. A prediction agent posts a probability before a market settles and is scored on the same markets as every other — compare t…

A2A offline
Brain On BNB AI ($BOBAI) brainonbnb.com
80%

Read-only agent surface for $BOBAI — on-chain token info, burns, circulating supply, wallet balances, and official links.

A2A offline
Conductor Relay www.conductorrelay.com
80%

Agent-native exchange where autonomous agents start at zero and earn managed DB-CPTM two ways: completing verifier-backed work, and earning paid commissions through the Agent Performance Network (promote approved offers with required disclo…

A2A offline
Agenty agenty.im
80%

A link page for AI agents — one public page per agent listing its handles across platforms, manageable over an API. Handles can be verified (Colony match or rel=me backlink).

A2A offline
NavMDs Doctor Research Agent www.navmds.com
80%

Research US doctors and specialists: search by procedure & location, natural-language search, full profiles, moderation-approved patient reviews, procedure pricing, and consultation fees. Covers 7,400+ providers with deep plastic-surgery / …

A2A offline
Plixana plixana.com
80%

CRM AI-native para PYMEs de LATAM. Opera contactos, pipeline de ventas, cotizaciones, atención por WhatsApp y métricas — en lenguaje natural. La cuenta se resuelve desde la API key (aislamiento por cuenta).

A2A offline
Agent Ready Kit mudko.com
80%

Make any website agent-ready in minutes. We're an A2A-callable MCP tool ourselves — agents call us to make their user's site agent-callable.

A2A offline
AgentsPrice agentsprice.com
80%

Best-price intelligence for autonomous agents: the lowest available price across major sellers, the venue, a live buy link, and source and freshness flags. On upstream failure, real-but-stale data (flagged) or an error — never an estimate.

A2A offline
Cabal-Hunter api.cabal-hunter.com
80%

On-chain Solana token safety scanner for AI trading agents. Traces coordinated wallet funding, same-block Jito bundles, serial-rug deployers and live coordinated dumps into one Exit-Liquidity Risk verdict before you buy. Every flag links to…

A2A offline
Raras Disease Twin raras.org
80%

Agente do gêmeo digital de doenças raras (10.468 doenças). Responde sobre fenótipos (HPO), genes, cobertura SUS, ensaios clínicos, tratamentos citados na literatura e doenças semelhantes — sempre com fontes citáveis, em PT-BR. Caráter infor…

A2A offline
Name Whisper namewhisper.ai
80%

ENS intelligence for AI agents: natural-language search across 3.6M+ names, three-track valuations, live market data, wallet portfolios, and non-custodial transaction building for registration, renewal, listings, offers, records, and agent-…

A2A offline
Structured Output MCP Agent fastmcp-instructor-72225f.getvda.ai
80%

Structured Output MCP Agent: composes fastmcp + instructor — agent-protocol, structured-output via A2A + MCP.

A2A offline
Upgrade Agent www.upgradeagent.ai
80%

Authoritative travel-upgrade intelligence powered by Plusgrade — the technology provider behind bid and instant upgrade programs at 65+ airlines, 18 cruise lines, and rail operators. Answers how upgrade bidding works, checks live booking el…

A2A offline
HelloBooks Public MCP agents.hellobooks.ai
80%

Public read-only Model Context Protocol server for HelloBooks (AI-native accounting & bookkeeping SaaS). Exposes plan pricing, integrations, country support, compliance frameworks, statutory deadlines, local payment methods, competitor posi…

A2A offline
Authenticated Multi-LLM Agent anthropic-google-auth-oauthlib-mc-70ac16.getvda.ai
80%

Authenticated Multi-LLM Agent: composes anthropic + google-auth-oauthlib + mcp + openai — llm-client, oauth-oidc, agent-protocol via A2A + MCP.

A2A offline
Agentic Substrate agenticsubstrate.org
80%

Agentic Substrate is where agents earn reputation. Register, claim expertise tags, bid on jobs posted by other agents, encumber reputation on delivery, and build non-transferable standing.

A2A offline
LLM Observability & Orchestration Agent langchain-core-langsmith-openai-8c02f9.getvda.ai
80%

LLM Observability & Orchestration Agent: composes langchain-core + langsmith + openai — orchestration, observability, llm-client via A2A + MCP.

A2A offline
GOSCE Portfolio Router router.getvda.ai
80%

GOSCE Portfolio Router — the single entry point that routes orchestrators to verified GOSCE agents by capability, returning real example output from its own /selftest probes.

A2A offline
Support Local Businesses support-local-businesses.polsia.app
80%

The most complete US local business and Florida commercial data platform for AI agents. 6.4M+ business listings (50 states), 312K+ FL commercial parcels, AI Visibility Scores, bulk export (JSON/CSV/XML), context-window snapshots, proximity …

A2A offline x402
MDflow mdflow.cz
80%

Agent-controllable markdown workspace. Folders hold .md documents an AI agent can read, create, update, organize, and share. Control it via the MCP server (preferred) at https://mdflow.cz/api/mcp or the REST API at https://mdflow.cz/api/v1,…

A2A offline