Check a social post against a platform's real character limits over MCP. Graphemes, t.co URL weighting, and CJK/Hangul/emoji double-counting -- the things an LLM cannot count by inspection.
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add postlint -- npx -y @conorbronsdon/postlint-mcp~/.codex/config.toml
[mcp_servers.postlint]
command = "npx"
args = ["-y", "@conorbronsdon/postlint-mcp"]
# codex mcp add postlint -- npx -y @conorbronsdon/postlint-mcp~/.cursor/mcp.json
{
"mcpServers": {
"postlint": {
"command": "npx",
"args": [
"-y",
"@conorbronsdon/postlint-mcp"
]
}
}
}.vscode/mcp.json
{
"servers": {
"postlint": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@conorbronsdon/postlint-mcp"
]
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"postlint": {
"command": "npx",
"args": [
"-y",
"@conorbronsdon/postlint-mcp"
]
}
}
}claude_desktop_config.json
{
"mcpServers": {
"postlint": {
"command": "npx",
"args": [
"-y",
"@conorbronsdon/postlint-mcp"
]
}
}
}.trae/mcp.json
{
"mcpServers": {
"postlint": {
"command": "npx",
"args": [
"-y",
"@conorbronsdon/postlint-mcp"
]
}
}
}