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
Wiktionary MCP — multilingual dictionary via Wikimedia REST + MediaWiki Action API. Remote server at gateway.pipeworx.io.
MCP server Claude CodeCodexCursor +2
Connects coding agents to a running QuestDB Web Console: notebook cells, SQL queries, and charts. Runs locally from the @questdb/mcp-server-questdb npm package. Needs 4 environment variables to run.
sapph1re/mcp-billing-gateway-sdk
MCP server Claude CodeCodexCursor +2
Add Stripe subscriptions, per-call credits, and x402 crypto payments to any MCP server. Runs locally from the mcp-billing-gateway Python package.
MCP server Claude CodeCodexCursor +2
One of 3 in server.json
Norwegian dental clinic directory MCP: 6,900 clinics with Helfo-agreement, specialty, duty, chain. Runs locally from the finn-tannlege-mcp npm package. Needs 1 environment variable to run.
MCP server Claude CodeCodexCursor +2
Read-only MCP server over the openinsurance-wiki knowledge base (search, getproduct, getcoverage, verifyclaim, compareproducts, findoverlap). Runs locally from the openinsurance-wiki-mcp Python package. Needs 1 environment variable to run.
MCP server Claude CodeCodexCursor +2
Model Context Protocol (MCP) server exposing the camt053 ISO 20022 Bank Statement library as agent tools. Runs locally from the camt053-mcp Python package.
synopsys0/postfader-fl-studio-mcp
MCP server Claude CodeCodexCursor +2
Verified AI control for FL Studio mixing, composition, arrangement, and audio analysis. Runs locally from the postfader-fl-studio-mcp Python package. Needs 3 environment variables to run.
MCP server Claude CodeCodexCursor +2
Query SQLite, PostgreSQL, and MySQL in plain language - read-only, with column masking and limits. Runs locally from the dbridge-mcp npm package. Needs 1 environment variable to run.
tufantunc/axiom-advanced-math-mcp
MCP server Claude CodeCodexCursor +2
Exact symbolic math for LLMs: integrals, equations, matrices, and claim verification via Giac/Xcas. Runs locally from the axiom-math npm package.
MCP server Claude CodeCodexCursor +2
MCP server "mcp-server-word" as configured in trsdn/mcp-server-word. Launched with WordMcp.McpServer.
zayansalman/gmail-attachments-mcp
MCP server Claude CodeCodexCursor +2
A minimal MCP server and CLI for downloading Gmail attachments to disk. Runs locally from the gmail-attachments-mcp Python package. Needs 4 environment variables to run.
MCP server Claude CodeCodexCursor +2
Agent-Native Temporal Graph Management System (bi-temporal property graph + validated temporal operator algebra + PEV agent layer). Runs locally from the tgms Python package.
MCP server Claude CodeCodexCursor +2
MCP server "asciiflow-mcp" as configured in bobooooo/asciiflow-mcp. Runs locally from the asciiflow-mcp npm package.
MCP server Claude CodeCodexCursor +2
MCP server "seocrawl", hosted remotely at mcp.seocrawl.ai, as configured in SEOcrawl/seocrawl-mcp.
AbbottDevelopments/shopmonkey-mcp-server
MCP server Claude CodeCodexCursor +2
MCP server "shopmonkey-mcp-server" as configured in AbbottDevelopments/shopmonkey-mcp-server. Runs locally from the shopmonkey-mcp-server npm package.
MCP server Claude CodeCodexCursor +2
MCP server "cryptoscholar" as configured in cryptographer11/cryptoscholar. Runs locally from the cryptoscholar Python package.
KhaiTrang1995/claude-code-structure
MCP server Claude CodeCodexCursor +2
One of 3 in .mcp.json
MCP server "jira" as configured in KhaiTrang1995/claude-code-structure. Runs locally from the @modelcontextprotocol/server-jira npm package. Needs 2 environment variables to run.
MCP server Claude CodeCodexCursor +2
Coval MCP Server - AI evaluation platform integration for Claude Desktop, Cursor, and other MCP clients. Runs locally from the @coval/mcp-server npm package.
igovet/codex-cortex-orchestrator
MCP server Claude CodeCodexCursor +2
MCP server "cortex" as configured in igovet/codex-cortex-orchestrator. Runs ./scripts/cortex.py with python3.
MCP server Claude CodeCodexCursor +2
MCP server "openbci-mcp" as configured in sandraschi/openbci-mcp. Runs locally from the openbci-mcp Python package.
MCP server Claude CodeCodexCursor +2
MCP server "vocab-mcp" as configured in Code-byte404/vocab-mcp. Runs locally from the vocab-mcp Python package.
ngoctranfire/discord-mcp-server
MCP server Claude CodeCodexCursor +2
A Discord MCP server for AI assistants — Bun-first, TypeScript, open-source. Runs locally from the @ncodelife/discord-mcp-server npm package.
MCP server Claude CodeCodexCursor +2
MCP server "godmod3-mcp" as configured in crnisamuraj/G0DM0D3-mcp. Runs locally from the godmod3-mcp Python package.
MCP server Claude CodeCodexCursor +2
MCP server for text-to-speech conversion using Kokoro TTS. Runs locally from the speech-mcp-server npm package.