About Postlint MCP Server
Postlint MCP Server is an MCP server in the Social category: check a social post against a platform's real character limit: X, Bluesky, LinkedIn, Threads.
Install
claude mcp add postlint-mcp-server -- npx -y @conorbronsdon/postlint-mcpnpx -y @conorbronsdon/postlint-mcpThis server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.
Tools (3)
check_postVerdict for one platform: counted length, the limit, headroom, and what drove the count
Parameters not published.
check_post_allOne row per platform, with the breakdown attached only to the rows that fail
Parameters not published.
platform_limitsEach platform's limit, its counting unit, why that unit is not a character count, and the source
Parameters not published.
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