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
MCP server exposing Postgres, Redis, Elasticsearch, MySQL, MongoDB, and LDAP as tools, with lazy connection management, retry, circuit breaking, per-connection read-only mode, and optional database drivers. Runs locally from the mcp-server-db npm package.
MCP server Claude CodeCodexCursor +2
One of 2 in .mcp.json
MCP server "duckdb-go", hosted remotely at gitmcp.io, as configured in tobilg/caddy-duckdb-module.
MCP server Claude CodeCodexCursor +2
Hotel Booking MCP Server (Global/AI Edition). Runs locally from the @didaai/hotelbooking-ai npm package. Needs 1 environment variable to run.
MCP server Claude CodeCodexCursor +2
Token-efficient MCP server for tabular data retrieval via CSV/Excel/Parquet/JSONL indexing. Runs locally from the jdatamunch-mcp Python package.
MCP server Claude CodeCodexCursor +2
Self-hosted decision memory for AI coding agents; warns before re-proposing a rejected approach. Runs locally from the robrain npm package. Needs 2 environment variables to run.
Pantheon-Security/notebooklm-mcp-secure
MCP server Claude CodeCodexCursor +2
Security-hardened NotebookLM MCP with post-quantum encryption. Runs locally from the @pan-sec/notebooklm-mcp npm package.
sysnet4admin/_Book_Claude-Code
MCP server Claude CodeCodexCursor +2
MCP server "github" as configured in sysnet4admin/BookClaude-Code. Runs in Docker (ghcr.io/github/github-mcp-server). Needs 1 environment variable to run.
MCP server Claude CodeCodexCursor +2
Auditable records of human decisions over AI agent work. Approvals, edits, overrides, escalations. Runs locally from the @brightbeamai/chap-coordinator-mcp npm package. Needs 2 environment variables to run.
MCP server Claude CodeCodexCursor +2
MCP server "hwatu" as configured in hongnoul/hwatu. Launched with https://github.com/hongnoul/hwatu/releases/download/v0.6.0/hwatu-mcp-linux-x86_6.
MCP server Claude CodeCodexCursor +2
Local-first DOCX formatter for academic papers with a content-fingerprint guard that proves the text was left untouched — only the formatting changed. Runs locally from the paper-format-agent Python package.
timothywarner-org/claude-architect
MCP server Claude CodeCodexCursor +2
One of 6 in .mcp.json
MCP server "oreilly-cca-mcp" as configured in timothywarner-org/claude-architect. Runs locally from the ${PROJECT_ROOT}/examples/mcp_cli Python package.
MCP server Claude CodeCodexCursor +2
Knowledge Graphs to enable memory persistence, knowledge evolution, explainable interaction. Runs locally from the @ldclabs/kip-mcp-server npm package. Needs 2 environment variables to run.
MCP server Claude CodeCodexCursor +2
MCP server "serena" as configured in j5ik2o/okite-ai. Runs locally from the git+https://github.com/oraios/serena Python package. Needs 1 environment variable to run.
MCP server Claude CodeCodexCursor +2
One of 28 in server.json
Browser automation using Playwright with optional stealth mode to bypass anti-bot protection. Runs locally from the playwright-stealth-mcp-server npm package. Needs 15 environment variables to run.
MCP server Claude CodeCodexCursor +2
One of 3 in .mcp.json
MCP server "kali" as configured in SeaC-25/Kali-Security-MCP. Launched with C:\Windows\py.exe -3 mcp_server.py --tool-profile harness. Needs 2 environment variables to run.
MCP server Claude CodeCodexCursor +2
MCP server "orders" as configured in gura105/operational-ontology. Launched with pnpm mcp. Needs 1 environment variable to run.
luffysolution-svg/obsidian-vault-mcp
MCP server Claude CodeCodexCursor +2
Local MCP server for a Zotero + MinerU + Obsidian literature pipeline. Runs locally from the zotero-obsidian-mcp Python package. Needs 1 environment variable to run.
MCP server Claude CodeCodexCursor +2
Private journal MCP server to search, analyze, and create Dabble Me entries securely via OAuth. Remote server at dabble.me.
MCP server Claude CodeCodexCursor +2 ✓ vendor
DigitalOcean MCP Implementation. Runs locally from the @digitalocean/mcp npm package.
MCP server Claude CodeCodexCursor +2
Deterministic, persistent graph server for tracking workflow state, decisions, and blockers. Runs locally from the @putervision/state-memory-mcp npm package.
TradingGoose/TradingGoose.github.io
MCP server Claude CodeCodexCursor +2
MCP server "supabase" as configured in TradingGoose/TradingGoose.github.io. Launched with wsl npx -y @supabase/mcp-server-supabase@latest --read-only --project-ref=${VITE. Needs 1 environment variable to run.
MCP server Claude CodeCodexCursor +2
Kibana MCP Server with dynamic API discovery and comprehensive Elastic Stack integration. Runs locally from the @tocharianou/mcp-server-kibana npm package. Needs 4 environment variables to run.
patsnap/patent-literature-search-mcp
MCP server Claude CodeCodexCursor +2
Search 200M+ patents and 216M+ scientific papers using natural language and structured filters. Remote server at connect.patsnap.com.
MCP server Claude CodeCodexCursor +2
MCP server "sverklo" as configured in sverklo/sverklo. Launched with /opt/homebrew/bin/sverklo .. Needs 1 environment variable to run.
At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: