The missing check between your AI agent and the carrier. Deterministic pre-send lint for SMS/iMessage: silent-filtering rules with citations, exact segment math, MCP-native, no API key.
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add willitsend --env AGENTPHONE_API_KEY='<AGENTPHONE_API_KEY>' -- npx -y willitsend~/.codex/config.toml
[mcp_servers.willitsend]
command = "npx"
args = ["-y", "willitsend"]
env = { AGENTPHONE_API_KEY = "<AGENTPHONE_API_KEY>" }
# codex mcp add willitsend --env AGENTPHONE_API_KEY='<AGENTPHONE_API_KEY>' -- npx -y willitsend~/.cursor/mcp.json
{
"mcpServers": {
"willitsend": {
"command": "npx",
"args": [
"-y",
"willitsend"
],
"env": {
"AGENTPHONE_API_KEY": "<AGENTPHONE_API_KEY>"
}
}
}
}.vscode/mcp.json
{
"servers": {
"willitsend": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"willitsend"
],
"env": {
"AGENTPHONE_API_KEY": "<AGENTPHONE_API_KEY>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"willitsend": {
"command": "npx",
"args": [
"-y",
"willitsend"
],
"env": {
"AGENTPHONE_API_KEY": "<AGENTPHONE_API_KEY>"
}
}
}
}claude_desktop_config.json
{
"mcpServers": {
"willitsend": {
"command": "npx",
"args": [
"-y",
"willitsend"
],
"env": {
"AGENTPHONE_API_KEY": "<AGENTPHONE_API_KEY>"
}
}
}
}.trae/mcp.json
{
"mcpServers": {
"willitsend": {
"command": "npx",
"args": [
"-y",
"willitsend"
],
"env": {
"AGENTPHONE_API_KEY": "<AGENTPHONE_API_KEY>"
}
}
}
}Environment variables
AGENTPHONE_API_KEY
Replace the placeholders with your own credentials and keep them out of version control.