MCP servers for ChatGPT

Brazilian public procurement (PNCP) and Federal Revenue CNPJ data — 16 tools, 4 prompts.

Code intelligence MCP: symbols, call graphs, change impact + affected tests, routes, search.

The shell around your coding agent: a neuro-symbolic code graph with calibrated trust, via MCP.

Verification and trust checks for AI agents: validate, screen, propose, accounts, usage.

MAP (Maraventano Agent Protocol): a subtractive MCP server for agent commerce — read (find any merchant: decode any product URL into one

Pay-per-call market news, CBR/MOEX/Rosstat data and Telegram tools; auto-pays USDC on Base via x402

Checks a site build: sitemaps, structured data, robots.txt and what crawlers see.

Treasury/FRED financial data over x402: pay-per-call US yields, macro and forex in USDC on Base

Read the MindForge engine over MCP: knowledge graph, project health, and audit log.

Campaign link infrastructure for AI agents — validate, build, and inspect UTM-tracked links.

Query the Postmark API: server info, templates, outbound messages.

Query Raindrop.io (token; set RAINDROP_TOKEN, Bearer): user, collections, bookmarks.

Query Readwise (token; set READWISE_TOKEN, Token header): auth check, books, highlights.

MCP server for VirusTotal: file, URL, domain, IP reports. Free key.

Search, browse and pick from the free NerdyChefs.ai prompt library from any MCP client.

MCP stdio wrapper for nettune - TCP network optimization tool

Read an SEO workspace: projects, keywords, rank tracking, site audits, context. Read-only.

Angular UI expert for NeuralNg discovery, composition, validation, icons and project-aware themes.

Cinematic website prompts plus demo footage, tuned for Lovable, Bolt, Cursor, Claude and Codex.

Open Textbook Finder MCP finds free legal copies by title, ISBN or topic. No key.

MCP Server for OpenL Studio 6.3.0 Rules Management System