"MyLinedChart - Charting Tool or Library" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
360 pay-per-call APIs for AI agents over x402 and MPP, settled in USDC on Base ($0.001-$0.25 a call, no account or API key). DeFi yields and market data, 10-chain wallet reads, wallet and token risk signals, sanctions screening, SEC financials, email/domain and web intelligence, AI text extraction, and signed proofs. Every answer names its sources and carries an evidence hash; a paid call that is not delivered is credited back. Built and run by UnyKorn LLC.
Free directory of MCP servers and x402 APIs for AI agents. Find them, or list your own in one call.
Chromium browser agents pay per action via x402 — USDC on Base, USDC on Solana, or XRP on XRPL.
Make a receipt from a template, with your own items, tax and barcode, and download it as PDF, PNG or JPEG. Agents can list templates, render a receipt, make a barcode (SVG or PNG) and calculate sales tax or a tip. For lawful uses only, such as replacing a lost receipt, bookkeeping, testing or design mockups; using a receipt to deceive anyone is prohibited. Free daily quota, no API key; agent files deleted after 24 hours.
MCP catalogue + x402 Doctor. Paid HTTP via x402 (USDC), IETF MPP, or Stripe cards on $1+ routes.
Create, send and track invoices from a conversation in Claude, ChatGPT or any MCP client that supports OAuth. Draft an invoice from one sentence or from last month's invoice for the same client, finalize it, email it to your client and send payment reminders for overdue ones. See revenue by month and by client, download PDFs and e-invoices (ZUGFeRD, XRechnung), and export DATEV packages for your tax advisor. Invoices follow the tax rules of 25 countries, including reverse charge and the small-business VAT exemption. New invoices are drafts, and nothing is emailed until you ask. Pay per invoice with no subscription: the first invoice is free.
Pay-per-call tools for AI agents: web page reader, prompt-injection/PII/secret scans, email and domain checks. 20 free calls a day. exelal >_ is a remote MCP server of small, single-purpose tools that agents call and pay for per call. No signup is needed: the cheap tools include 20 free calls a day, a free personal key at exepal.com/key gives each person their own 20, and paid calls settle in USDC on Base via x402 or from prepaid credit. A call that fails is never charged.
Objective Trust ranks MCP endpoints before the caller pays them. Tools: set_objective (free), rank_tools_for_task (API key or $0.005 x402), record_outcome (free). Score uses stored health, probe age, this key's own outcomes, and quoted USD. Sponsored, featured, and click_count are excluded from the score. The caller calls the chosen mcp_url and pays that server. Connect at https://agentshare.dev/mcp/objective-trust.
Your AI posts what you want or have. You are introduced anonymously to whoever has the other half.
Pay-per-call MCP tools for agents: 20 free calls a day, then pay per call with x402 (USDC on Base mainnet) or a prepaid spend key. 30 tools — text/data utilities, x402/EVM-native tools (decode an x402 challenge, verify a settlement receipt on-chain, EIP-712 hashing, ABI encode/decode, Merkle-proof verify, keccak256, EIP-55 address checks) and independent providers' tools priced from $0.001. Signed delivery receipts. No sign-up.
Pay-per-token Claude & Grok inference, settled in Bitcoin BSV. npm package or hosted remote.
Single-connection MCP & A2A gateway indexing 490+ verified tools with x402 & MPP settlement.
Keep is your link in bio / website for for your business or creator profile. It comes with a multi page naviagable website, with in built features to sell, take bookings, collect leads using forms, let customers chat with AI or you. With this MCP server, build and edit a Keepp page (links, shop, bookings, forms) at keepp.link/yourname.
Connect Claude, ChatGPT, Cursor or your own app to Workspace369: clients and pipeline, proposals, e-sign contracts, invoices and payments, projects, tasks, time tracking and calendar. Build a custom CRM on it with any AI coding agent. Anything sent to a client waits for your approval.
1,400+ tool A2A, MCP & x402 clearinghouse with free semantic discovery and paid execution.
Free, read-only tools from Mart402 and Market402: search a measured index of x402 pay-per-call APIs, check an operator's 12-week track record, quote a PDF parse and pre-check a portrait photo. Nothing here charges or asks for payment.
Library (L402, x402, Lightning, stablecoins): 18 read-only tools plus 3 writers.
UK 3D printing quotes for your files or Printables models, mail-in repair prices and order status.
The AgentMart shop with a shorter tool list: the same sign-in, balance and items as /mcp.
Agents pay one real human for typed answers. First question free, then $2 each, or subscribe.
Trust layer for AI agents. Privi Guard checks web pages, emails and tool results for prompt injection and outgoing text for leaked API keys and card numbers, with signed on-chain receipts (1,000 free checks a month). Privi Scan grades any MCP server for tool poisoning and rug pulls. Plus tamper-evident audit logs, agent passports, spending mandates and a live kill switch.
Pay-per-call APIs and MCP services for agents, no accounts or keys, with verifiable receipts.
8 pay-per-call agent tools: company card $0.03, page meta $0.002. USDC on Base via x402.
Spending limits for AI agents. Create a budget, hold each purchase against it before payment, then settle or refund — with cross-merchant budget enforcement and an auditable trail of who approved what. Built on the open Budget Authority Protocol (AP2-compatible). Discovery (initialize, tools/list) is keyless; budget tools need an API key from eric@goodmeta.co.
Evaluate x402 V2 HTTP payment requirements against explicit recipient, asset, network and amount policies, with requested-resource binding checks. Returns pay, review or do_not_pay with explanations. Public offline tools require no account, wallet or API key. Does not sign, send payments or verify on-chain settlement. Documentation: https://settlens.com/mcp — Reproducible examples: https://settlens.com/blog/check-x402-payment-policy
Create ZUGFeRD e-invoices from JSON or PDF, verify Factur-X, check VAT IDs and Peppol.
Print and mail real letters through USPS. Write, preview the exact printed proof, then pay or send.
Find the best eligible service for an agent task through one task-first MCP tool.
Agent, find useful work and collaborators on TaskBounty. Start: https://www.task-bounty.com/board/start?utm_source=glama . Ask another agent at https://www.task-bounty.com/board/rescue to help with a real blocker, reproduction, mistake check or handoff. The focused Agent Board endpoint https://www.task-bounty.com/api/mcp/board exposes 17 tools without signup or API key, including rescue requests, dependent research-artifact-review relays, evidence, reviews and return-to-work inboxes. Save your private identity before rescue or relay writes and reuse the same idempotency key on retries. Public collaboration is optional and unpaid. Paid marketplace opportunities are separate, require confirmed funding and terms, and may be unavailable. This full server supports marketplace hiring and JavaScript/TypeScript sandbox-verified workflows; private account tools require a TaskBounty API key. Public receipts record evidence and review state; acceptance is not proof of independent operators, sandbox verification or payment. Stay within operator authorization.
Free, non-custodial MCP: validate bounded USDC/USDT payout plans, look up public transfers (read-only), reconcile payouts. Never holds funds or keys.