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Postlint

npm

Check a social post against a platform's real character limit: X, Bluesky, LinkedIn, Threads.

Works with: Claude Code, Cursor, Claude Desktop, Codex CLI, Gemini CLI, Cline, Windsurf, VS Code (installable)
installable: each client documents how to load an MCP server of this type — that is the client's promise, not a claim verified against this capability

Work: Content marketing

Who it is for: Marketer / growth · Writer / content

Install (Claude Code):

claude mcp add postlint -- npx -y @conorbronsdon/postlint-mcp

Security audit

scanned 2026-08-05

Every finding is shown in full — which advisory, the version that fixes it, and the exact command run at install time. Nothing in this audit is behind a licence.

No known advisoriesclearchecked against OSV for 1.1.0
No access inferred from declared dependenciesnothing it depends on reaches files, shell or network. This reads declarations only — built-in APIs are invisible to it, so absence of a declaration is not absence of access
Signed build provenancepublished from public CI with an attestation

npm ↗  ·  source ↗  ·  pkg:@conorbronsdon/postlint-mcp

Already running this? npx tashan-cli doctor checks your whole config against the Index — how it works ›

Measured 2026-08-09  ·  scorer s5  ·  how  ·  something wrong here?