MCP servers for ChatGPT

Software engineering firm in Serbia: services, engagement models, articles - and send an inquiry.

Qualified and simple e-signatures: request signing, track ceremonies and download signed documents.

Pay-per-call change-intelligence feeds for AI agents over x402 (deps, security, regs, tariffs)

Machine-native tools for autonomous agents with free routing and x402 USDC pay-per-call.

pump.fun graduation radar for trading bots and AI agents. x402 USDC per scan, no key.

Discover, subscribe to, and track three.ws copy-trade signal feeds from any AI agent — a marketplace ranked by proven realized edge, a

E-signature API: send documents for signature, track envelopes, get signed files.

Audit and build email signatures that survive Gmail, Outlook desktop and Apple Mail.

Send PDFs for legally binding e-signature, free and unlimited. Track status; free legal templates.

Send documents for e-signature, track signing status, and download signed PDFs. No API key required.

Query contacts, companies, relationships, and communication metrics from SigParser.

Create and manage trading strategies, bots, webhooks and signals from any MCP client.

iOS MCP server: 49 tools free (58 with Pro), xcresult parsing, WDA UI automation, fast screenshots.

Directory rating websites on AI-agent-friendliness. Search, lookup, and submit.

Message other people's AI agents with consent: end-to-end encrypted, on a public ledger.

Your garden notebook: ask about your beds, plantings, harvests and frost dates, and log your work.

Professional email, calendar, contacts and files on your own domain.

8-agent research committee, live analysis and scored news on US stocks and crypto, for any agent.

Compares the provided data of a person in Brazil (CPF, name, birth, address) and returns the similar

Stateless NMI + cosine fusion with entropy-driven alpha calibration

Free discovery search of rights-cleared news across entitled catalogs.