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Google Sheets

MCP server for Google Sheets : read, write, format, and manage spreadsheets through 23 tools. ## Features - Read and write cell values with A1 notation - Batch read/write for multiple ranges at once - Full formatting: bold, italic, colors, fonts, alignment, number formats - Sheet management: add, delete, rename, copy, duplicate tabs - Data operations: sort, find & replace, filters, protected ranges - Add charts (bar, line, column, scatter, etc.) - Raw batchUpdate pass-through for any Sheets API operation ## 23 Tools - **Spreadsheet**: create and get spreadsheet metadata - **Values**: read, batch read, write, append, clear, batch write - **Sheet Management**: add, delete, rename, copy, duplicate sheets - **Formatting**: format cells, merge/unmerge, auto-resize - **Data Operations**: sort, find & replace, basic filter, protected ranges - **Advanced**: add chart, raw batchUpdate ## Configuration - `GOOGLE_CLIENT_ID` : OAuth 2.0 Client ID from Google Cloud Console - `GOOGLE_CLIENT_SECRET` : OAuth 2.0 Client Secret - `GOOGLE_REFRESH_TOKEN` : Refresh token with spreadsheets scope

SQLite Remote

MCP server for remote SQLite databases via Turso/libSQL. - 15 tools for query, schema, indexes, and optimization. - Connect to cloud-hosted SQLite databases using libsql://URLs. Features: - Execute SQL queries and statements with parameter binding - Full schema management (tables, columns, indexes, foreign keys) - Database analysis (size, table stats, integrity check) - WAL mode enabled for better concurrency Install (Claude Desktop / Cursor): npx -y @node2flow/sqlite-mcp Tool categories: - Query (3): execute_query, execute_run, execute_many - Schema (4): list_tables, describe_table, list_indexes, list_foreign_keys - Table (3): create_table, alter_table, drop_table - Index (2): create_index, drop_index - Database (3): get_info, vacuum, integrity_check Configuration: - SQLITE_DB_URL (required) — Path to your Turso URL SQLite database. - SQLITE_AUTH_TOKEN — Auth token for Turso (required for authenticated databases)

PostgREST

MCP server for PostgREST — REST API layer for PostgreSQL databases. ## Features - Discover database schema (tables, views, functions, columns) - Query records with PostgREST filter syntax (eq, gt, like, in, fts, or) - Resource embedding — JOIN related tables via select parameter - Full CRUD operations (insert, update, upsert, delete, replace) - Call stored PostgreSQL functions via RPC - Count records with exact, planned, or estimated methods ## 10 Tools **Schema**: get OpenAPI schema, describe table columns/types **Read**: list records with filters/select/order/pagination, count records, call functions (RPC) **Write**: insert, update, upsert (merge/ignore duplicates), delete, replace (PUT) ## Configuration - POSTGREST_URL — Your PostgREST server URL (e.g. http://localhost:3000) - POSTGREST_TOKEN — JWT token for authenticated requests (optional)

Google Calendar

MCP server for Google Calendar : create events, manage calendars, check availability, and share calendars through 28 tools via the Model Context Protocol. ## Features - Create, update, and delete calendar events (timed and all-day) - Quick add events from natural language - Manage recurring events with RRULE support - Share calendars with ACL (access control) management - Check availability with free/busy queries - Manage multiple calendars and subscriptions - Full OAuth 2.0 authentication with refresh tokens ## 28 Tools **Events (10)**: List, get, create, update (PUT), patch (PATCH), delete, quick add, move, list instances, import **CalendarList (5)**: List subscribed calendars, get entry, add (subscribe), update display settings, remove (unsubscribe) **Calendars (5)**: Get metadata, create, update, delete, clear all events **ACL (5)**: List rules, get rule, create (share), update permission, delete (revoke) **Utility (3)**: Query free/busy, get color palette, list settings ## Configuration - `GOOGLE_CLIENT_ID` : OAuth 2.0 Client ID from Google Cloud Console - `GOOGLE_CLIENT_SECRET` : OAuth 2.0 Client Secret - `GOOGLE_REFRESH_TOKEN` : Refresh token with Calendar scope

Supabase

MCP server for Supabase — 31 tools for database CRUD, storage, auth admin, project management, edge functions, and secrets via REST + Management APIs. ## Features - Database CRUD with PostgREST filtering, resource embedding (JOINs), and RPC - Storage bucket and object management with signed URLs - Auth admin for user creation, updates, bans, and deletion - Project lifecycle management (create, pause, restore) - Execute SQL queries and generate TypeScript types - Edge function inspection and secret/API key management ## 31 Tools - **Database REST (6):** sb_list_records, sb_insert_records, sb_update_records, sb_upsert_records, sb_delete_records, sb_call_function - **Storage (6):** sb_list_buckets, sb_create_bucket, sb_delete_bucket, sb_list_objects, sb_delete_objects, sb_create_signed_url - **Auth Admin (5):** sb_list_users, sb_get_user, sb_create_user, sb_update_user, sb_delete_user - **Projects (5):** sb_list_projects, sb_get_project, sb_create_project, sb_pause_project, sb_restore_project - **Database Management (3):** sb_run_query, sb_list_migrations, sb_get_typescript_types - **Edge Functions (2):** sb_list_functions, sb_get_function - **Secrets & Keys (4):** sb_list_secrets, sb_create_secrets, sb_delete_secrets, sb_list_api_keys ## Configuration - `SUPABASE_URL` — Project URL (e.g. `https://xxx.supabase.co`) — for database, storage, auth tools - `SUPABASE_SERVICE_ROLE_KEY` — Service role key (bypasses RLS) — from Settings → API - `SUPABASE_ACCESS_TOKEN` — Personal access token — for project management tools (from dashboard → Account → Access Tokens)

Slack

MCP server for Slack Web API — send messages, manage channels, search content, and automate your workspace. ## Features - Send, update, delete, and schedule messages with Block Kit support - Manage channels: create, archive, invite/kick members, set topics - Search messages and files with Slack's powerful query syntax - Upload and manage files with 2-step upload process - React to messages, pin items, and manage bookmarks - Browse users, team info, and custom emoji ## 38 Tools **Messages (7)**: send, update, delete, schedule, cancel scheduled, list scheduled, get permalink **Conversations (12)**: list channels, info, history, thread replies, members, create, archive, invite, kick, join, set topic, open DM **Users (2)**: list all, get info **Reactions (3)**: add, remove, get reactions **Search (2)**: search messages, search files **Files (3)**: upload, list, delete **Pins (3)**: pin, unpin, list pins **Bookmarks (4)**: add, edit, remove, list **Team (1)**: get workspace info **Emoji (1)**: list custom emoji ## Configuration - SLACK_BOT_TOKEN — Get one at https://api.slack.com/apps (create app → OAuth & Permissions → Install → copy Bot Token)

NodeAPI

Machine-native GIS processing API for AI agents and developers. Convert, reproject, validate, repair, buffer, clip, dissolve, and tile vector geodata across 25 endpoints. Pay-per-use USDC on Solana Mainnet ($0.01/op). No accounts, no API keys. Remote MCP SSE.

astllm-mcp

An MCP server for efficient code indexing and symbol retrieval using tree-sitter AST parsing to fetch specific functions or classes without loading entire files. It significantly reduces AI token costs by providing O(1) byte-offset access to code components across multiple programming languages.

Openterms-mcp

Cryptographic proof of consent for AI agents. Sign before you act. Policy engine enforces spending caps, action whitelists, and escalation rules. Independently verifiable by anyone.

Aegis-ZK

On-chain trust verification for AI agent tools. Agents query skill attestations, audit levels, and risk scores before running third-party MCP servers, so you know what's safe before you execute.

Satoshidata Wallet Intelligence

Bitcoin wallet intelligence for AI agents: labels, risk signals, transactions, fees, and mempool.

HiveAgent — The Agentzon

498 MCP tools across 12 industry verticals. Marketplace, escrow, DeFi, legal, healthcare, insurance, construction, and trades. USDC payments on Base L2.