block — email59 MCP Tool

block (block) is one of 20 tools on the email59 MCP server. Connect the server and your client discovers it on the handshake.

by client

How to call block from your client

Claude Code email59 block run in your project directory
Claude Desktop email59 block ~/Library/Application Support/Claude/claude_desktop_config.json
Cursor email59 block ~/.cursor/mcp.json
VS Code email59 block .vscode/mcp.json
Zed email59 block ~/.config/zed/settings.json
Windsurf email59 block ~/.codeium/windsurf/mcp_config.json
Cline email59 block ~/Library/Application Support/Code/User/globalStorage/saoudrizwan.claude-dev/settings/cline_mcp_settings.json
Gemini CLI email59 block ~/.gemini/settings.json
Grok email59 block .mcp.json (in your project root)
ChatGPT email59 block Settings → Connectors → Advanced → Developer mode
Claude.ai email59 block Settings → Connectors → Add custom connector
LangChain email59 block pip install langchain-mcp-adapters

Fastest route

claude mcp add --transport http email59 https://email59.com/v1/mcp

Other tools on this server

auth
get_pricing
get_account
update_account
send_email
send_campaign
check_email
check_list
validate_email
unblock
list_blocklist
add_unsubscribe
buy_pack
order_status
create_api_key
list_test_messages
list_api_keys
verify_start
verify_check

This list was read from the server itself, by connecting to it and calling tools/list on 5 November 2026. It is what the server actually exposes, not what its listing claims.

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. The registry stores tool names only; connect the server for its live schemas.

email59 MCP server