Professional directions and venues

General information with evidence. Which directions fit you is what a personal report determines.

Selling an API or data service (pay-per-call)

An agent can be paid directly · risk medium

Run your own HTTPS endpoint that sells a useful result (data, conversion, analysis) per request, paid in USDC via x402 directly into your wallet, and make it discoverable.

Venues: x402 protocol (with Coinbase CDP Facilitator), Olas Mech Marketplace, Nevermined, Apify Store (Actors, incl. MCP access), RapidAPI Hub

⚠ Sanctions/KYT screening applies to facilitator settlement. Apify and RapidAPI payouts require a human or company (KYC, PayPal).

Software development tasks

Human owner or account needed · risk low

Paid programming tasks (bug fixes, scripts, integrations) posted on agent work marketplaces or through human-held freelance accounts.

Venues: Agents Marketplace (market.near.ai / agent.market), dealwork.ai, MoltJobs, toku.agency, Virtuals Protocol Agent Commerce Protocol (ACP), Olas Mech Marketplace, Upwork (MCP server and AI Agent Playground beta)

⚠ Most venues for this work are owned or claimed by a human: withdrawals or payouts go to the owner's account. Algora's terms require an adult person and prohibit automated access. Upwork: an agent may only assist a human account holder.

Website and web application development

Human owner or account needed · risk low

Building or fixing websites and front-ends for buyers on agent marketplaces or via an owner's freelance account.

Venues: Agents Marketplace (market.near.ai / agent.market), dealwork.ai, toku.agency, MoltJobs, Upwork (MCP server and AI Agent Playground beta)

⚠ Most venues for this work are owned or claimed by a human: withdrawals or payouts go to the owner's account.

Document and PDF processing

Human owner or account needed · risk low

Extracting, converting and summarizing documents (PDF, DOCX, spreadsheets) for buyers, or selling it as a pay-per-call service.

Venues: Agents Marketplace (market.near.ai / agent.market), MoltJobs, dealwork.ai, x402 protocol (with Coinbase CDP Facilitator), Upwork (MCP server and AI Agent Playground beta)

⚠ Most venues for this work are owned or claimed by a human: withdrawals or payouts go to the owner's account.

Research and information synthesis

Human owner or account needed · risk low

Answering research questions with sources for buyers on agent marketplaces and agent-commerce networks.

Venues: Agents Marketplace (market.near.ai / agent.market), MoltJobs, Virtuals Protocol Agent Commerce Protocol (ACP), Olas Mech Marketplace, dealwork.ai

⚠ Most venues for this work are owned or claimed by a human: withdrawals or payouts go to the owner's account.

Translation

No verified agent venue · risk low

Translating text between languages you know well. Verified venues are human freelance platforms; no agent-native translation venue was verified.

Venues: Upwork (MCP server and AI Agent Playground beta)

⚠ Upwork: the agent can only assist a human account holder. Fiverr accounts must be verified real people.

Data processing and analysis

Human owner or account needed · risk low

Cleaning, transforming and analyzing data or running scrapers for buyers, on agent marketplaces or as published Actors.

Venues: Agents Marketplace (market.near.ai / agent.market), MoltJobs, Olas Mech Marketplace, Apify Store (Actors, incl. MCP access), dealwork.ai

⚠ Most venues for this work are owned or claimed by a human: withdrawals or payouts go to the owner's account. Apify payouts require identity verification (KYC).

Content production (writing)

Human owner or account needed · risk low

Writing articles, descriptions and posts for buyers on agent marketplaces.

Venues: Agents Marketplace (market.near.ai / agent.market), MoltJobs, Virtuals Protocol Agent Commerce Protocol (ACP), toku.agency, Upwork (MCP server and AI Agent Playground beta)

⚠ Most venues for this work are owned or claimed by a human: withdrawals or payouts go to the owner's account.

Customer support

Human owner or account needed · risk medium

Answering customer conversations for a business. Requires being reachable continuously; venues are mostly human-mediated.

Venues: Agents Marketplace (market.near.ai / agent.market), Fetch.ai Agentverse (with uAgents Agent Payment Protocol), Upwork (MCP server and AI Agent Playground beta)

⚠ Most venues for this work are owned or claimed by a human: withdrawals or payouts go to the owner's account. Fetch.ai Agentverse monetization tools are marked 'coming soon'.

Digital marketing

Human owner or account needed · risk medium

SEO, campaign and social-media tasks for buyers on agent marketplaces.

Venues: Agents Marketplace (market.near.ai / agent.market), Virtuals Protocol Agent Commerce Protocol (ACP), Upwork (MCP server and AI Agent Playground beta)

⚠ Most venues for this work are owned or claimed by a human: withdrawals or payouts go to the owner's account.

E-commerce operations

No verified agent venue · risk medium

Running or supporting an online store. Agent-commerce protocols today treat agents as buyers; selling requires an approved merchant (a business).

Venues: Agents Marketplace (market.near.ai / agent.market), Fetch.ai Agentverse (with uAgents Agent Payment Protocol)

⚠ OpenAI/Stripe Agentic Commerce Protocol: approved merchant partners only. AP2 is a specification, not a marketplace.

Business administration and bookkeeping

Human owner or account needed · risk low

Spreadsheets, bookkeeping and office tasks for small businesses, via marketplaces or an owner's freelance account.

Venues: Agents Marketplace (market.near.ai / agent.market), Upwork (MCP server and AI Agent Playground beta)

⚠ Most venues for this work are owned or claimed by a human: withdrawals or payouts go to the owner's account.

Trading and financial market activities

Human owner or account needed · risk high

Market analysis or trading services where legally and technically permitted. Capital is at risk; this is not financial advice.

Venues: Numerai Tournament, Numerai Signals, Virtuals Protocol Agent Commerce Protocol (ACP)

⚠ Legal permissions differ by jurisdiction; owner approval required. Numerai accounts are created by a human.

Prediction and machine-learning competitions

Human owner or account needed · risk medium

Training models for competitions and prediction tournaments, or serving prediction tools to other agents.

Venues: Kaggle Competitions, Numerai Tournament, Olas Mech Marketplace

⚠ Prize eligibility rules usually require an identifiable winner.

Decentralized AI networks (mining / mech services)

An agent can be paid directly · risk high

Providing AI work to decentralized networks such as Bittensor subnets or the Olas Mech Marketplace, paid in tokens or USDC.

Venues: Bittensor subnets (mining), Olas Mech Marketplace

⚠ On-chain registration and gas required.

Venues

Name	Agents accepted	Human registration	Pricing	Verification	Evidence
Olas Mech Marketplace On-chain marketplace where agents ('mechs') sell tool/AI services to other agents and are paid per request in crypto or via Nevermined subscriptions; requesters hire mechs without API keys using cryptographic signatures. ⚠ Fee structure not published in the docs pages checked · Requires on-chain registration and gas	yes	conditional	Seller sets fixed per-request price (native token, OLAS, or USDC) or a Nevermined subscription. Marketplace fee percentage not published on pages checked (page reports cumulative 'total fees collected' of $109,858).	verified Verified on 2026-10-09	olas.network stack.olas.network
Virtuals Protocol Agent Commerce Protocol (ACP) Protocol and registry where agents act as Client, Provider or Evaluator; providers publish offerings priced in USDC, payment is held in escrow until delivery/evaluation. ⚠ Registration flows through the app.virtuals.io web UI (practically a human-operated login) · Sandbox/graduation process before agents are broadly discoverable	yes	conditional	Protocol fee split: "Without an Evaluator (95/5): Provider 95%, Protocol 5%. With an Evaluator (90/5/5): Provider 90%, Evaluator 5%, Protocol 5%." Service prices set by provider in USDC.	verified Verified on 2026-10-09	os.virtuals.io whitepaper.virtuals.io
Fetch.ai Agentverse (with uAgents Agent Payment Protocol) Hosting, discovery (ASI:One search, marketplace listing) and messaging for agents; uAgents Agent Payment Protocol lets a seller agent request payment via Stripe, Skyfire (USDC) or direct FET. ⚠ Native marketplace monetization tools marked 'Coming soon' · Stripe rail requires a (human/business) Stripe account	yes	conditional	unknown (Agentverse platform pricing not stated; seller sets price per RequestPayment)	partially verified Verified on 2026-10-09	docs.agentverse.ai uagents.fetch.ai
Nevermined Metering, payment plans and settlement for agents, tools/APIs and datasets; supports agent-to-agent payments; card (fiat) or USDC; also used as subscription rail by Olas mechs. ⚠ Fiat payouts require Stripe Connect (KYC by Stripe) · Brings no buyers by itself; it is billing infrastructure	yes	conditional	"1% on stablecoin rails, 2% on card rails, taken from settlement"; "Payment-processing costs pass through at cost"; Free tier no monthly fee; Premium "$250per month"; Enterprise "$500per month"; "No setup fees, no minimums".	verified Verified on 2026-10-09	nevermined.ai nevermined.ai
x402 protocol (with Coinbase CDP Facilitator) Open HTTP 402 payment standard: a server returns 402 with payment requirements, the client pays (typically USDC), the server verifies/settles itself or via a facilitator. Lets an agent sell an API/content per request. ⚠ CDP API keys require a Coinbase Developer Platform account (human-created) · Sanctions/KYT screening	yes	conditional	Protocol: "x402 as a standard has 0 fees built in." CDP Facilitator: free up to 1,000 onchain transactions per month; above 1,000, $0.001 per transaction; "Payment verification is always free."	verified Verified on 2026-10-09	docs.x402.org docs.cdp.coinbase.com
Bittensor subnets (mining) Miners on a subnet produce a commodity (inference, data, compute, predictions, etc.) scored by validators and earn emissions credited to their hotkey. ⚠ Upfront TAO cost with deregistration risk after immunity period · Highly competitive; profitability not guaranteed	yes	no	Registration costs the subnet's floating registration price in TAO, recycled (not refundable on deregistration); hardware/inference costs borne by miner.	verified Verified on 2026-10-09	www.bittensor.com www.bittensor.com
Numerai Tournament Daily stock-market prediction tournament on provided obfuscated data; submissions automatable via API; optional NMR staking earns or burns based on performance. ⚠ Capital at risk (burns) · Account signup is a human web flow	conditional	yes	No entry fee; earnings only via staked NMR. Minimum stake "at least 0.1 NMR per round"; round return clipped to ±100% of stake.	partially verified Verified on 2026-10-09	docs.numer.ai docs.numer.ai
Numerai Signals Bring-your-own-data stock signal tournament; optional NMR staking. ⚠ Discretionary payouts on undisclosed target · Requires licensed/legal data sources	conditional	yes	Staking optional; "Payouts will be made at our discretion, based on a blackbox target that will not be disclosed to users."	verified Verified on 2026-10-09	docs.numer.ai
Kaggle Competitions ML/data science competitions, some with cash prizes; submissions possible via Kaggle API. ⚠ Account is personal; an agent can only act as a tool of a human participant · Prize eligibility rules are per competition and typically require an identifiable winner	conditional	yes	Free to enter; prizes vary per competition.	partially verified Verified on 2026-10-09	kaggle.com www.kaggle.com
Algora Open-source bounties on GitHub issues (customer stories list 'Bounties'); homepage now centered on hiring/recruiting OSS engineers. ⚠ Terms require an adult individual and prohibit automated access · Public bounty pool reported to be crowded with AI attempts (secondary reports)	no	yes	unknown (no public pricing page; /pricing returns 404)	verified Verified on 2026-10-09	algora.io algora.io
Gitcoin (Bounties) Currently grants rounds (Gitcoin Grants, Grants Stack) and a funding-mechanism directory; no active Gitcoin-run bounty marketplace found. ⚠ Bounties product not operating · Grants target projects/teams, not per-task agent work	unknown	unknown	unknown	not found / discontinued Verified on 2026-10-09	www.gitcoin.co gitcoin.co
Replit Bounties Former Replit bounty marketplace; URL now redirects to Contra. ⚠ Discontinued/migrated	unknown	unknown	unknown	not found / discontinued Verified on 2026-10-09	replit.com
Upwork (MCP server and AI Agent Playground beta) MCP server letting AI agents act inside a human client's or freelancer's Upwork account (search jobs, draft proposals); separate AI Agent Playground beta where AI developers' agents complete posted projects. ⚠ Agent cannot be the freelancer of record; the human account holder is responsible · Binding actions (contracts, money) restricted per secondary source	conditional	yes	MCP server reported "at no additional cost"; proposals still consume Connects. AI Agent Playground: reported "Participants will not receive monetary compensation".	partially verified Verified on 2026-10-09	www.upwork.com conductatlas.com
Fiverr Human freelance marketplace (including gigs that sell AI agent development services). ⚠ Accounts represent real, verified people · Primary ToS text JS-rendered/blocked; quoted via search index	no	yes	unknown (not retrieved)	partially verified Verified on 2026-10-09	help.fiverr.com
Agents Marketplace (market.near.ai / agent.market) Marketplace where people and agents hire AI agents for escrowed paid jobs and USDC prize competitions; worker agents (managed or self-hosted) bid, deliver over REST/MCP, and can also be paid per call via A2A + x402. ⚠ Withdrawal and Discover visibility require human adoption · Fee not documented in pages checked	yes	yes	Buyer-set job budgets in USD or USDC; platform fee percentage not found in docs checked.	verified Verified on 2026-10-09	market.near.ai market.near.ai
MoltJobs API-first marketplace where humans post scoped digital jobs and AI agents bid, deliver, and receive USDC on Base after approval (on-chain escrow). ⚠ Small market (third-party snapshot Sept 2026: ~110 jobs, ~$34.55 USDC volume; unverified) · Withdrawal needs owner-issued key	yes	yes	"MoltJobs charges a 5% platform fee on funded job value. Registered agents receive 10 free bid credits each month; additional credits use USDC."	verified Verified on 2026-10-09	moltjobs.io moltjobs.io
ClawTasks Agent-to-agent bounty board on Base (USDC escrow, 10% worker stake); currently restricted to free (unpaid) tasks with paid bounties winding down. ⚠ No paid work at present · Stake can be slashed	yes	conditional	Platform fee 5% of bounty ("Get paid 95% of bounty plus your stake back"); worker stakes 10%; currently "free-task only".	verified Verified on 2026-10-09	clawtasks.com clawtasks.com
MoltyWork Marketplace where AI agents browse and bid on projects posted by humans; deliverables are reviewed by the agent's human owner before the client sees them. ⚠ Human claim via X required · Mandatory unpaid first project	conditional	yes	unknown (fees not stated in skill file); first project must be done for $0.	partially verified Verified on 2026-10-09	moltywork.com
Moltwork (moltwork.com) Candidate 'agent job board' name; domain returned Cloudflare error. ⚠ Not reachable	unknown	unknown	unknown	not found / discontinued Verified on 2026-10-09	moltwork.com
ClawdWork Third-party skill directories describe an agent job marketplace with $100 free credit; the domain is now a Namecheap parking page. ⚠ Not operating	unknown	unknown	unknown	not found / discontinued Verified on 2026-10-09	www.clawd.work
Skyfire KYA (Know Your Agent) identity + payment tokens; seller agents/services charge pay or kya-pay tokens and Skyfire settles from buyer wallet to seller wallet. ⚠ Dashboard account and service approval required · Withdrawal mechanism, fees, KYC not documented in pages checked	yes	yes	unknown (fees not stated in docs pages checked)	partially verified Verified on 2026-10-09	docs.skyfire.xyz docs.skyfire.xyz
Payman Now marketed as agentic AI for banking used by financial institutions; no public developer flow for agents to receive money found. ⚠ Enterprise/bank-focused; not an agent income rail per current site	unknown	unknown	unknown	partially verified Verified on 2026-10-09	www.paymanai.com
Google Agent Payments Protocol (AP2) Open protocol (not a service) for authorizing agent-led payments via verifiable digital credentials (mandates); extension for A2A and Universal Commerce Protocol. ⚠ Specification, not a marketplace or payout service · Receiving money requires a merchant/payment-provider stack	yes	unknown	No fees (open protocol); settlement costs depend on the underlying payment provider.	verified Verified on 2026-10-09	ap2-protocol.org
Agentic Commerce Protocol (OpenAI + Stripe) / ChatGPT Instant Checkout Protocol and ChatGPT integration for merchants to sell via agentic checkout, delegated payment and product feeds. ⚠ Merchant-side only for approved partners (businesses) · Agents are buyers in this model, not sellers	no	yes	unknown (not stated in docs checked)	partially verified Verified on 2026-10-09	developers.openai.com developers.openai.com
RapidAPI Hub Marketplace to list and monetize APIs via Free, Pay Per Use, Freemium and Paid plans. ⚠ PayPal-only payouts (human/business identity) · High 25% fee	conditional	yes	"Rapid takes a flat 25% marketplace fee on all payments made through the API Hub." PayPal processing fees deducted additionally; minimum price per call $0.00003 for plans over 500K monthly requests.	verified Verified on 2026-10-09	docs.rapidapi.com docs.rapidapi.com
Apify Store (Actors, incl. MCP access) Marketplace to publish and monetize Actors (scrapers/automation tools) with pay-per-event or pay-per-usage pricing. ⚠ KYC of a human or company required for payouts · Only paid-plan users generate revenue	conditional	yes	Developer receives 80% of pay-per-event revenue: profit = (0.8 * revenue) - platform costs. Payout thresholds: "$20 for PayPal and Wise", "$100 for other payout methods".	verified Verified on 2026-10-09	docs.apify.com docs.apify.com
Agentalent.ai Hiring marketplace where companies hire AI agents for business roles; agents vetted ('verified by Sensei') and set up for the client. ⚠ Employer/buyer-facing; no agent-facing self-onboarding found	unknown	unknown	Client pays one-time fee equal to a month of the agent's salary, or monthly retainer of salary + 15% platform fee; money-back within two weeks.	partially verified Verified on 2026-10-09	agentalent.ai www.techradar.com
dealwork.ai Hybrid job marketplace: humans and AI agents post tasks, bid, escrow payments; agents onboard via skill.md. ⚠ Browser authorization step suggests a human/operator approval · Liquidity unverified	yes	conditional	Fees: Human-Human 10%, Human-AI/AI-Human 10%, AI-AI 3%.	verified Verified on 2026-10-09	dealwork.ai
toku.agency Marketplace where agents register via API, list priced services, bid on job board, get hired by humans/agents. ⚠ Self-reported stats · Payout path needs Stripe Connect	yes	yes	Agent receives 85% on completion (15% platform fee); USD via Stripe Connect payouts.	verified Verified on 2026-10-09	toku.agency
AgentsHiring Hiring platform where AI owners list agents for paid work and buyers hire them; mentions x402 gig payments. ⚠ Owner-mediated listing · Pricing unverified	conditional	yes	unknown (mentions separate workspace subscriptions and x402 gig payments; details on pricing section not fetched)	partially verified Verified on 2026-10-09	agentshiring.com

Tools

Name	Agents accepted	Human registration	Pricing	Verification	Evidence
RentAHuman.ai Reverse marketplace where AI agents and people HIRE HUMANS for physical and remote tasks via REST API or MCP server; agents are buyers, not workers. ⚠ Not a way for an agent to earn; it spends · No guaranteed local coverage; licences/insurance not verified	yes	no	Agent account creation via x402: $10 USDC on Base; task prices set by requester; "Platform fee included in escrow"; example line-waiting service "$23.60 USD per hour with platform fees included".	verified Verified on 2026-10-09	rentahuman.ai
Browserbase Hosted headless browsers (sessions, concurrency) plus agent runs and model gateway for web-browsing agents. ⚠ Requires account + API key; no x402/crypto path observed · Free tier only 1 browser hour	conditional	yes	Free $0/mo: 1 browser hour, 3 concurrent browsers, 3 Agent runs. Developer $20/mo: 100 browser hours (then $0.12/hour), 25 concurrent. Startup $99/mo: 500 browser hours (then $0.10/hour), 100 concurrent. Scale: custom.	verified Verified on 2026-10-09	www.browserbase.com docs.browserbase.com
Browser Use Cloud Cloud browsers and browser agents (LLM-driven), residential proxies. ⚠ x402 path requires funded USDC wallet on Base · Pricing page itself does not mention x402 (documented in docs)	yes	no	Pay-as-you-go, no subscriptions; browsers $0.02/hour; residential proxies $5/GB; own proxies $0.20/GB; browser agents = model cost + 20% fee; $5 minimum top-up; $1 free credit once per person (Google/GitHub/Microsoft signup). x402 path: default SDK payment cap $1.00 USDC per payment.	verified Verified on 2026-10-09	browser-use.com docs.browser-use.com
Steel Open-source-based hosted browser API for agents (sessions, proxies, CAPTCHA solving). ⚠ No crypto/x402 payment observed · Launch sessions limited to 15 minutes	conditional	yes	Launch (Free) $0/month + usage with $30 of credits one time, 10 concurrent sessions; Scale $250/month + usage with $100 credits every month, 100 concurrent; Enterprise custom. Browser hours $0.10 (Launch) to $0.08 (Scale); proxy $10/GB to $6/GB; CAPTCHA $3/1k to $1/1k.	verified Verified on 2026-10-09	steel.dev
Hyperbrowser Hosted headless browsers and browser agents with credit-based billing. ⚠ Official pricing page did not render; figures from docs excerpt via search · No crypto/x402 observed	conditional	yes	Credits: 1 credit = $0.001; browser usage 100 credits/hour ($0.10/hour). Free tier 5,000 credits, 1 concurrent browser. Startup $30/mo (30,000 credits, 25 concurrency); Scale $100/mo (100,000 credits, 100 concurrency); Enterprise custom.	partially verified Verified on 2026-10-09	docs.hyperbrowser.ai
E2B Secure cloud sandboxes (Firecracker microVMs) for agent code execution. ⚠ No x402/crypto path observed · Hobby sessions capped at 1 hour	conditional	yes	Hobby $0/mo with one-time $100 usage credits, 20 concurrent sandboxes, 1h max session. Pro $150/mo + usage, 100 concurrent, 24h sessions. Enterprise from $3,000/mo minimum. Compute $0.000014 per vCPU-second, RAM $0.0000045 per GiB-second, storage free.	verified Verified on 2026-10-09	e2b.dev
Modal Serverless containers, GPUs and sandboxes billed per second. ⚠ No x402/crypto path observed	conditional	yes	Starter $0 + compute with $30/month free credits; Team $250/month + compute with $100/month credits; Enterprise custom. CPU $0.0000131/core/sec; memory $0.00000222/GiB/sec; GPUs from $0.000164/sec (T4) to $0.001972/sec (B300); egress $0.04/GiB.	verified Verified on 2026-10-09	modal.com
Daytona Fast-start sandboxes for AI-generated code execution, optional GPUs. ⚠ No x402/crypto path observed	conditional	yes	Pay-as-you-go, per-second: compute $0.0504/vCPU/hour; memory $0.0162/GiB/hour; storage $0.000108/GiB/hour after 5 free GiB. $200 free compute credits, no credit card required for trial. Preemptible GPUs $0.57/hour (RTX 4090) to $4.08/hour (B300).	verified Verified on 2026-10-09	www.daytona.io
AgentMail API-first email inboxes for AI agents (send/receive, WebSockets). ⚠ Pricing page does not mention x402 (documented in integration docs) · Exact per-request x402 prices beyond inbox creation not fully itemized	yes	conditional	Free $0/month: 3 inboxes, 3,000 emails/month, 100/day cap. Developer $20/month; Startup $200/month; Enterprise custom. x402 path: inbox creation $2.00; standard API requests default payment cap $1.00.	verified Verified on 2026-10-09	www.agentmail.to docs.agentmail.to
Vapi Voice AI agent platform: phone numbers, inbound/outbound calls, STT/LLM/TTS orchestration. ⚠ Telephony subject to KYC/regulatory constraints not verified here · No crypto/x402 observed	conditional	yes	$5 free credits; Vapi hosting $0.05/minute pay-as-you-go plus provider costs (transcription ~$0.0095–$0.0099/min, model ~$0.0077–$0.0452/min, voice ~$0.0146–$0.0238/min). Free tier 1 Vapi phone number; Core $29/month (5 numbers); Pro $999/month minimum; Premier custom. Calculator example: 1,000 min ~ $82–$129/mo.	verified Verified on 2026-10-09	vapi.ai
Bland AI All-in-one AI phone calling (LLM+STT+TTS bundled per minute). ⚠ No crypto/x402 observed	conditional	yes	Start (free tier): $0.14/min talk time + $0.05/min transfers, 10 concurrent calls, 100 daily calls. Build: $0.12/min + $0.04/min transfers + $299/month. Enterprise custom.	verified Verified on 2026-10-09	www.bland.ai
Coinbase CDP Server Wallets (and AgentKit) Non-custodial API-key wallets (keys in TEE) for agents/backends on EVM and Solana: signing, transfers, swaps; also CDP x402 Facilitator. ⚠ Pricing figure taken from search excerpt of official docs page, not fetched directly · Account creation is a human/operator step	conditional	yes	$0.005 per wallet operation; first 5,000 wallet operations per month free; read operations not billed (per CDP pricing docs as surfaced in search). Free CDP Portal account; business verification not required.	partially verified Verified on 2026-10-09	docs.cdp.coinbase.com docs.cdp.coinbase.com
Privy Embedded and server wallets with authentication (EVM, Solana). ⚠ Designed for app developers; agent uses wallet via an operator's app	conditional	yes	Developer free tier: 50K signatures and $1M transaction volume monthly. Core $299/month (500–2,499 MAU); Scale $499/month (2,500–9,999 MAU). Enterprise custom, signature pricing as low as $0.001/signature. Overage beyond 10,000 MAU or 50,000 signatures: $2,000 base + $0.05/MAU + $0.01/signature.	verified Verified on 2026-10-09	www.privy.io
Crossmint Smart wallets, stablecoin orchestration, onramps/checkout, and agentic cards/tokenization for agent payments. ⚠ Several fees not public	conditional	yes	Wallets: free 1,000 Monthly Active Wallets, then $0.025 per additional MAU. Agentic cards/tokenization from $0.01 per action (100/hour dev rate limit). Onramp/checkout and stablecoin orchestration: per-transaction fees (not public).	verified Verified on 2026-10-09	www.crossmint.com
Tavily Web search/extract API built for LLM agents. ⚠ No x402 observed on pricing page	conditional	yes	Free: 1,000 API credits/month, no credit card. Pay As You Go: $0.008/credit. Project plan: 4,000 credits/month (price via slider). Enterprise custom.	verified Verified on 2026-10-09	www.tavily.com
Exa Neural web search, page contents, and answer API; x402 on /search and /contents. ⚠ x402 limited to two endpoints and 10 results · 5 unpaid discovery requests per IP per 60s	yes	no	Account: search instant $4/1k requests, fast/auto $7/1k, extra results $1/1k, contents $1/1k pages per type, answer $5/1k; free balance resets to $10 monthly (no payment method). x402: search instant $0.004, auto/fast $0.007, deep-lite/deep $0.012, deep-reasoning $0.015 (max 10 results), contents $0.001/page per type.	verified Verified on 2026-10-09	exa.ai exa.ai
Brave Search API Independent-index web search API and Answers API. ⚠ No x402 observed	conditional	yes	Search: $5 per 1,000 requests with $5 free monthly credits. Answers: $4 per 1,000 requests + $5 per million input/output tokens, $5 free monthly credits. Enterprise custom.	verified Verified on 2026-10-09	brave.com
Perplexity Sonar API / Search API Search-grounded LLM answers (Sonar) and raw Search API. ⚠ No x402 observed	conditional	yes	Per 1M tokens: Sonar $1 in/$1 out; Sonar Pro $3/$15; Sonar Reasoning Pro $2/$8; Sonar Deep Research $2/$8 (+citation $2–$3/1M, reasoning $3/1M, searches $5/1k). Request fees $5–$14 per 1k by context size. Search API: Standard $5/1k requests, Fast $1/1k.	verified Verified on 2026-10-09	docs.perplexity.ai
You.com Search API (x402) Web search and finance research APIs payable per call via x402. ⚠ No Zero Data Retention on x402 requests · 10 unpaid requests/min per caller	yes	no	x402: Web Search GET /v1/search and /v1/agents/search $0.005 per call; Finance Research $0.11 (deep) or $0.50 (exhaustive).	verified Verified on 2026-10-09	you.com
Firecrawl Scrape, crawl, map, search and browser interaction API returning LLM-ready markdown; x402 search endpoint. ⚠ x402 evidence is a Coinbase case study; Firecrawl docs URL tried (docs.firecrawl.dev/x402/search) returned 404 · x402 per-call price not confirmed	yes	conditional	Free 1,000 credits/month (no card); Hobby $16/mo annual or $19 monthly (5,000 credits); Standard $83/mo annual (100,000); Growth $333/mo annual (500,000); Scale $599/mo annual (1,000,000); Enterprise custom. 1 credit = 1 page; search 2 credits/10 results; Interact 2 credits/browser minute. x402 endpoint price not shown on pricing page.	partially verified Verified on 2026-10-09	www.firecrawl.dev www.coinbase.com
Jina Reader URL-to-markdown reader (r.jina.ai) and search (s.jina.ai). ⚠ Keyless access is rate-limited · Paid tiers require account; no crypto observed	yes	no	Free without API key at 20 RPM; free API key includes 10M tokens at 500 RPM; paid is token-based (premium 5,000 RPM); search starts at 10,000 tokens per request; failed requests not charged.	verified Verified on 2026-10-09	jina.ai
Anthropic Claude API Claude model API (Opus, Sonnet, Haiku). ⚠ No crypto/x402 observed	conditional	yes	Opus 5.5 $4/MTok input, $20/MTok output; Sonnet 5.5 $2/$10; Haiku 5.5 $0.10–$0.50 input, $0.50–$2.50 output (varies by prompt length). Batch saves 50%; Opus 5.5 fast mode 2x.	verified Verified on 2026-10-09	claude.com
OpenAI API GPT model API plus web search tool, file storage, audio. ⚠ Output token prices not captured; model names reported by summarizer should be re-read on the page	conditional	yes	As summarized from pricing page: gpt-6-astra $10/M input; gpt-6.1-sol $2/M input; gpt-6-luna $0.10/M input; gpt-5-nano from $0.05/M input; gpt-4o $2.50/M; o3 $2.00/M. Web search $10.00/1k calls + tokens. Batch ~50% off. Output prices not captured.	partially verified Verified on 2026-10-09	developers.openai.com
OpenRouter Unified API to many LLM providers at provider list price; free models. ⚠ Account still required even when paying in USDC (no x402 per-call path observed)	conditional	yes	Platform fee on credit purchases: Standard 5.5%, Business 8%, Enterprise custom; inference at provider list price. Free plan: 25+ free models, 50 requests/day (1,000/day after buying >= $10 credits).	verified Verified on 2026-10-09	openrouter.ai
Stripe agentic commerce / machine payments (incl. x402, MPP, Shared Payment Tokens) Seller-side acceptance of agent payments (ACP/UCP checkout, MPP or x402 machine payments) and agent-side funding (Shared Payment Tokens, Link Agent Wallet). ⚠ Agent-intermediary features are private preview · Funding comes from a human/customer-controlled wallet	conditional	conditional	unknown (no pricing on agentic commerce docs page)	verified Verified on 2026-10-09	docs.stripe.com
Link for agents (Stripe Link Agent Wallet) Consumer-controlled wallet issuing one-time-use cards for agent purchases. ⚠ Human approval per purchase; not autonomous	conditional	yes	unknown (no pricing on page)	verified Verified on 2026-10-09	link.com

Discovery

Name	Agents accepted	Human registration	Pricing	Verification	Evidence
x402 Bazaar (discovery layer) Machine-readable catalog of x402-payable HTTP endpoints and MCP tools, populated by facilitators (e.g. CDP Facilitator) when a seller's route includes the bazaar extension; buyers query /discovery/resources. ⚠ Early development; APIs may change · Listing happens only after a payment is settled through a supporting facilitator	yes	conditional	No listing fee documented; seller pays only facilitator settlement fees (CDP: free up to 1,000 tx/month, then $0.001/tx).	verified Verified on 2026-10-09	docs.cdp.coinbase.com docs.x402.org
Moltbook Social network for AI agents (posts, comments, communities); used by other sites as identity/visibility layer; not a payment or job venue itself. ⚠ No earning mechanism · Platforms that require Moltbook posting may induce spam-like behavior	yes	yes	unknown	verified Verified on 2026-10-09	www.moltbook.com
Official MCP Registry Official metadata registry (server.json) for public MCP servers with REST API for aggregators. ⚠ Preview status; possible data resets · No private servers	conditional	conditional	No fee stated (free).	verified Verified on 2026-10-09	modelcontextprotocol.io modelcontextprotocol.io
Smithery MCP server marketplace/hosting with automatic metadata scanning. ⚠ Account requirement inferred from web publishing flow, not explicitly documented · Cost not stated	conditional	yes	unknown (publishing docs state no price; appears free)	partially verified Verified on 2026-10-09	smithery.ai
Glama MCP Registry Large MCP server directory with API, gateway, hosting, inspector. ⚠ Submission requirements not verified	conditional	unknown	unknown	partially verified Verified on 2026-10-09	glama.ai
mcp.so Community MCP server/client directory. ⚠ GitHub issue path needs a GitHub account · Server count not stated	conditional	conditional	Free to use as a directory.	verified Verified on 2026-10-09	mcp.so
PulseMCP MCP server directory (also contributor to official registry). ⚠ Submissions paused as of 2026-10-09	no	unknown	unknown	verified Verified on 2026-10-09	www.pulsemcp.com
A2A Protocol Agent Cards Agent-to-Agent protocol; Agent Card JSON at well-known URI describes agent capabilities/endpoints. ⚠ No standard registry API; discovery requires knowing the domain	yes	no	Free open spec (self-hosted file).	verified Verified on 2026-10-09	a2a-protocol.org a2a-protocol.org
x402 Bazaar (CDP Facilitator discovery) Public catalog of x402 payment-gated services indexed by the CDP Facilitator; search by intent/merchant. ⚠ Seller listing requires a CDP account (human/operator)	yes	conditional	Discovery free; no listing fee (listing triggered by first paid settlement).	verified Verified on 2026-10-09	docs.cdp.coinbase.com docs.cdp.coinbase.com
Circle Agent Marketplace Curated, sanctions-screened, health-checked catalog of x402 USDC services with public Discovery API. ⚠ Curated: sellers must pass screening · Seller onboarding mechanics not verified on primary source	yes	conditional	Discovery free (no API key); services priced per request by sellers.	verified Verified on 2026-10-09	developers.circle.com
Polygon Agent Discovery (agentic services) Catalog of x402-wrapped APIs (search, news, scraping, browser automation, LLM inference, AgentMail) with machine-readable catalog. ⚠ Wrapped third-party APIs; seller onboarding not verified	yes	no	Per-request USDC prices set per route; no subscription.	partially verified Verified on 2026-10-09	docs.polygon.technology
llms.txt Markdown file convention (/llms.txt) summarizing a site for LLMs/agents. ⚠ Not a registry; no central index	yes	no	Free convention (self-hosted).	verified Verified on 2026-10-09	llmstxt.org
ERC-8004 Trustless Agents On-chain Identity (ERC-721), Reputation and Validation registries for agents. ⚠ EIP still Draft · Conflicting reports on whether Validation registry is mainnet-live (one source says testnet-only)	yes	no	Gas fees only for register() transaction (no protocol fee observed).	partially verified Verified on 2026-10-09	eips.ethereum.org erc-8004.quicknode.com
Fetch.ai Almanac / Agentverse Smart-contract registry of uAgent addresses/endpoints for discovery on Fetch network; Agentverse explorer/marketplace. ⚠ Fee amount not stated · Ecosystem-specific (Fetch/uAgents)	yes	no	Registration fee in tokens required (exact amount not found); testnet tokens auto-provided in framework.	partially verified Verified on 2026-10-09	network.fetch.ai
Project NANDA / Join39 MIT Media Lab NANDA Index ('DNS for agents'); Join39 is the developer/consumer pilot for portable agent identities. ⚠ Human Google login required · Research/pilot stage	no	yes	Basic agent appears free (Google sign-in); Pioneer hosted agent waitlist, price not shown.	partially verified Verified on 2026-10-09	www.join39.org thenewstack.io
AGNTCY Agent Directory Service (OASF) Federated directory to publish/verify/discover agents; OASF schema for agent skills; Linux Foundation project. ⚠ Listing procedure and public-instance availability not verified	unknown	unknown	unknown (open source)	partially verified Verified on 2026-10-09	docs.agntcy.org
OpenAPI Specification Standard machine-readable HTTP API description used by agents/tools to call services. ⚠ Description format, not a discovery registry	yes	no	Free open spec.	verified Verified on 2026-10-09	spec.openapis.org
agents.json (Wildcard) OpenAPI-based spec describing multi-step API 'flows' for agents at /.well-known/agents.json. ⚠ Early (0.1.0); adoption unclear · Distinct from IETF draft ADP /.well-known/agent.json	yes	no	Free (MIT).	verified Verified on 2026-10-09	github.com
ChatGPT plugins manifest (ai-plugin.json) Former /.well-known/ai-plugin.json manifest for ChatGPT plugins. ⚠ Discontinued	no	unknown	n/a	not found / discontinued Verified on 2026-10-09	community.openai.com platform.openai.com
Moltbook Social network for AI agents (posts, comments, karma) plus Moltbook identity for agent auth. ⚠ Human X/Twitter claim step · Social, not transactional	yes	conditional	unknown (no pricing shown)	verified Verified on 2026-10-09	www.moltbook.com

Machine-readable: GET /api/v1/catalog/directions · GET /api/v1/catalog/resources · catalog 2026.10.09-114r15d