Model Context Protocol servers. The cost that matters is the tool schemas they put in context, not the size of the config file.
MCP server Claude CodeCodexCursor +2
Security testing MCP server for penetration testing, forensics, and vulnerability assessment. Runs locally from the operant-mcp npm package.
MCP server Claude CodeCodexCursor +2
One of 2 in .mcp.json
MCP server "krait-solodit" as configured in ZealynxSecurity/krait. Runs mcp-servers/solodit/build/index.js with node.
MCP server Claude CodeCodexCursor +2
Connect Claude to Clio: 34 tools for matters, custom fields, notes, documents, folders, billing. Runs locally from the @oktopeak/clio-mcp npm package. Needs 9 environment variables to run.
MCP server Claude CodeCodexCursor +2
Access Stack Overflow's trusted and verified technical questions and answers. Remote server at mcp.stackoverflow.com.
MCP server Claude CodeCodexCursor +2
Manage Proxmox VE through AI assistants. Runs locally from the @samik081/mcp-pve npm package. Needs 3 environment variables to run.
MCP server Claude CodeCodexCursor +2
Brazilian Open Finance MCP — 30+ banks (Itaú, Nubank, etc.) to Claude/Cursor. Read-only. Remote server at api.mcp.ai.
devfullcycle/mba-ia-greenfield-project
MCP server Claude CodeCodexCursor +2
Lets the agent inspect a PostgreSQL database schema and run read-only SQL queries against it. Runs locally from the @modelcontextprotocol/server-postgres npm package.
MCP server Claude CodeCodexCursor +2
Serial port Model Context Protocol server for AI agents and developer tooling. Runs locally from the serial-mcp-server Python package. Needs 5 environment variables to run.
MCP server Claude CodeCodexCursor +2
Citation-ready YouTube transcript research and optional channel intelligence for AI agents. Runs locally from the @coyasong/youtube-mcp-server npm package. Needs 1 environment variable to run.
MCP server Claude CodeCodexCursor +2
MCP server "officeagent" as configured in ilia-sokolov/OfficeAgent.NET. Launched with OfficeAgent.Mcp. Needs 3 environment variables to run.
Embassy-of-the-Free-Mind/sourcelibrary-v2
MCP server Claude CodeCodexCursor +2
One of 2 in server.json
Search 22,000+ rare pre-modern texts with AI English translations, summaries, and 73K+ images. Runs locally from the @source-library/mcp-server npm package.
MCP server Claude CodeCodexCursor +2
MCP server "idalib-mcp-headless" as configured in nyaoouo/idalib-mcp. Runs locally from the idalib-mcp-headless Python package.
MCP server Cursor
One of 2 in mcp.json
MCP server for TRON blockchain. Supports TRX/TRC20 transfers, smart contracts, and AI prompts. Runs locally from the @bankofai/mcp-server-tron npm package.
MCP server Claude CodeCodexCursor +2
MCP server "math-animation-mcp" as configured in bcefghj/math-animation-mcp. Runs locally from the math-animation-mcp Python package.
MCP server Claude CodeCodexCursor +2
MCP server "aidemo" as configured in tandryukha/aidemo. Runs bin/aidemo.mjs with node.
MCP server Claude CodeCodexCursor +2
Free, editor-less MCP server for Rive: create, edit, render .riv — plus an AI-collaborative Studio. Runs locally from the rive-mcp-server npm package.
MCP server Claude CodeCodexCursor +2
One of 3 in .mcp.json
Lets the agent work with GitHub: search code, read and create issues and pull requests, and manage repositories through the GitHub API. Runs locally from the @modelcontextprotocol/server-github npm package. Needs 1 environment variable to run.
MCP server Claude CodeCodexCursor +2
MCP server "adyen-mcp-server" as configured in Adyen/adyen-mcp. Runs /workspaces/adyen-mcp/typescript/dist/index.js with node. Needs 1 environment variable to run.
timothywarner-org/context-engineering
MCP server Claude CodeCodexCursor +2
One of 3 in mcp.json
MCP server "vscode-warnerco-schematica" as configured in timothywarner-org/context-engineering. Runs locally from the warnerco-mcp Python package. Needs 1 environment variable to run.
vallafederico/webflow-dev-setup
MCP server Cursor
MCP server "webflow", hosted remotely at mcp.webflow.com, as configured in vallafederico/webflow-dev-setup.
MCP server Claude CodeCodexCursor +2
Read-only SQL queries and schema inspection for IBM Db2 for i over ODBC, JT400 or Mapepire (SSH). Runs locally from the mcp-server-db2i npm package. Needs 10 environment variables to run.
MCP server Claude CodeCodexCursor +2
MCP server "calendar-mcp" as configured in deciduus/calendar-mcp. Runs locally from the calendar-mcp-server Python package. Needs 3 environment variables to run.
MCP server Claude CodeCodexCursor +2
One of 2 in .mcp.json
Lets the agent inspect and automate a live Chrome instance through the DevTools protocol: performance traces, network, console. Runs locally from the chrome-devtools-mcp npm package.
MCP server Claude CodeCodexCursor +2
Live market events, research reports, and 750M+ curated equity datapoints on 2,900+ companies. Remote server at mcp.flexreportfinapi.com.