MCP Servers

SEC EDGAR data for AI agents via the official data.sec.gov API. Search 10,000+ public companies, retrieve 10-K/10-Q/8-K filings, and access XBRL financial data. Free, no API key required, no third-party dependency.

The Base token-safety toolkit for agents: the only B20 (Base-native token) freeze/seize/rug suite, plus pre-trade GO/HOLD/STOP gates, honeypot/sellability, wallet + approval audits, sign-guard, prices and Claude-written AI reports. 90+ pay-per-call tools over x402 (USDC on Base), free tier, no API keys. npx x402-bazaar-mcp

Web3 founder diligence stack: smart contract audit (Solidity via Slither, Rust via cargo-audit) with file/line findings, jurisdiction matching across 28 crypto-native domiciles, VC fund discovery with thesis matching, portfolio comparison against 47 accelerator companies, project scoring across team/traction/tokenomics/market/security, hackathon search, Twitter audience audit.

Agent-payable APIs settled on Kaspa L1: text tools (summarize, schema-guaranteed extract, classify, rewrite), web reading, embeddings + semantic search, live Kaspa chain data, GPU LLM tiers, covenants-as-a-service, and RISC Zero zk proving with cycle-exact quotes. Pay per call in KAS, BTC, LTC, DOGE, BCH, DASH, ETH, or USDC — fractions of a cent, no account or API key. pip install k402-mcp

Lightning-paid (L402) Bitcoin mempool intelligence + sovereign on-prem AI inference. 25 pay-per-call tools: live fees with trend, whale/mempool alerts, fee prediction, tx status & exact fee quotes, plus AI summarize/translate/grammar/code-review/code-gen/extract/classify/rewrite/explain/vision/OCR/embeddings and long-context docs — all on a self-hosted solar-powered GPU, no third-party APIs, pay 2–100 sats per call. npm i -g @bitcoinbenji/mcp

MCP server for RustChain blockchain, BoTTube video platform, and Beacon agent messaging. Wallet management, mining queries, bounties, video search/upload, and agent messaging tools. Install via pip install rustchain-mcp.

Live crypto market data — price, funding rates, open interest, long/short ratio, order book, candles — across Bybit, Binance, OKX, Hyperliquid, Gate, KuCoin via CCXT, with funding-rate arbitrage comparison.

Keyless, non-custodial crypto payments. Create crypto payment links and tip jars with just a wallet address, no API key, no signup. Funds settle directly to the merchant’s wallet. Remote at https://shieldz.cash/mcp or npx @shieldz/mcp.

🎖️ - Savvly Longevity Benefit Fund: retirement projections (lump-sum, monthly, and full trajectory), product comparisons, eligibility checks, and FAQ search. An SEC-registered fund offering market upside plus longevity protection. Remote at api.savvly.com/mcp or npx @savvly/mcp-server.

PayPerByte — per-byte data marketplace for AI agents on Arbitrum. Discover publishers, evaluate on-chain Proof-of-Quality Score (PQS), subscribe + pay per request in USDC via x402 gateway. 15 tools, zero API keys.

Spain's official company registry (BORME) for agents: 9.5M typed company events since 2009 — incorporations, director changes, insolvencies, capital moves across 52 event kinds. Free hosted endpoint: https://mcp.bormeapi.com/mcp.

Business-day & public-holiday calculations for 200+ countries (add/count working days, next business day, country weekend rules).

Create free, no-signup invoices from your AI assistant. Returns a deep link that opens Blank Invoice Maker pre-filled — review and download a watermark-free PDF. Invoice data stays in the browser. npx blank-invoice-maker-mcp

Pay-per-request JSON-RPC on 23 EVM chains (Ethereum, Base, Arbitrum, plus young chains Robinhood Chain, Plasma, Ink, Zircuit) from independent bare-metal nodes. Free reads with no key; heavy methods (ethgetLogs, trace, debug) via a free API key or x402 USDC pay-per-call on Base/Polygon/Arbitrum. In the official MCP Registry. npx -y nodeflare-mcp

Read balances/prices and prepare transfers across Stacks, Celo, and Base from one MCP server — no RPC keys required to start. Free tier (getbalance, getprices) plus license-gated Pro/Team tools (getportfolio, preparetransfer, deploytoken). npx @wkalidev/multichain-mcp

Query Saudi economic & social statistics (GDP, inflation, trade, population, real-estate price index) from official GASTAT / DataSaudi, in English or Arabic. Keyless, no database.

Non-custodial crypto swap over MCP: Solana (Jupiter) + 7 EVM chains (KyberSwap), universal cross-chain router, Solana priority-fee oracle, and Hyperliquid perps. Returns unsigned transactions for your own wallet to sign — no API key, no KYC. Remote at https://swaptitan.net/mcp

Non-custodial paying-fetch client for agents that pay APIs over HTTP 402 (x402, USDC on Base). The operator sets hard per-call/per-day/per-host spend caps, an approval threshold, and allow/deny lists, with an append-only receipt for every attempt; the agent can't raise its own limits. npx -y -p @forum-labs/payfetch payfetch-mcp

Unofficial, community MCP for the Capital.com Open API: safe, guarded trading and market data. Two-phase trades (preview → confirm → execute), allowlists, demo-first. Install with uvx capitalcom-mcp.

🎖️ - Peil — financial orientation for Dutch freelancers (ZZP'ers): log hours, draft invoices from unbilled time, and ask where you stand — outstanding, overdue, and your net effective hourly rate. Scoped API keys with draft-by-default: putting email in front of a client needs a separate invoices:send permission the key can be issued without. uvx peil-mcp

MCP-сервер налоговых/бухгалтерских калькуляторов ФНС + публичные фискальные статусы (самозанятый, ИП/ОКВЭД, дисквалификация, блокировки счетов). Волна 1, юр-риск минимальный

Third-party auditor for Japanese construction & renovation estimates; flags overcharge and returns Bitcoin-anchored, verifiable signed receipts (PTKA). Remote MCP, no auth.

Agentic payments on Solana: let an agent discover x402-priced endpoints, pay HTTP 402 paywalls in USDC, manage pre-paid balances and subscriptions, and buy datasets or settle store checkouts — 15 tools behind fail-closed spending caps ($1 per payment, $10 per day by default). Non-custodial: payments lock in a program-owned escrow and release 99% to the creator. Listed on the official MCP registry as com.solinkify/mcp. npx -y @solinkify/mcp

Deploy files from AI agents to your own FTP/FTPS/SFTP servers — multi-server config, recursive deploy with dry-run and gitignore-like excludes, per-server path jail and read-only mode, FileZilla import, one-command setup for popular MCP clients.