MCP servers for ChatGPT

MCP server for the @agentutility mediakit cluster — pay-per-call x402 tools, no API keys, USDC on…

Strapi CMS MCP — natural-language content management: create, manage, and publish content.

Markdown-first MCP server for Notion API with 8 composite tools and 39 actions.

Compose BrandBrain asset flows, run mock/live generation, and fetch outputs

MCP server for broadcasting signed raw transactions to multiple blockchains via Crypto APIs

Certificate transparency lookups from Cert Spotter. No key required.

AI code review — security, quality, performance. Learns your patterns. Receipted.

An MCP enabled multi-format document reader supporting DOCX, PDF, TXT, and Excel files

Search EPO Open Patent Services: published-data search and family.

Use this MCP server to Federal Register documents, rules, notices, and agencies. Tools include...

Build, run and live-test FiveM servers with AI agents: RCON, DevCon, window control, mcpb bridge.

Graphlit MCP Server

Manage multiple Gmail accounts in Claude Desktop — search, send, reply, draft, and organize.

Test-harness CLI that audits any MCP server for Claude Code v2.1.118 mcp_tool lifecycle-hook readiness (idempotency, latency, determinism

Crypto prices from Independent Reserve. No key required.

Persistent knowledge graph and MCP server for AI workflows with git-tracked project context.

MCP server for authoring Maltego graph files and running primitive OSINT lookups.

Prime checks, factors, GCD, and basic statistics computed locally. No network and no key.

MCP server for n8n workflow management -- view, create, sync and manage workflows via AI.

NotebookLM research automation — CLI, MCP server, and Claude Code Skill

Render HTML or templates to a hosted PNG or PDF, in one response. Free previews need no API key.