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How to let a coding agent draft and risk-check posts through MCP with Yominpost

Claude Code or Cursor generates and checks posts, then saves drafts for a human to approve.

Authorization notice. Yominpost is dual-use. Only use it on software, sites and systems you own or have explicit permission to test.

Who it is forA developer who already works in Claude Code or Cursor and wants the agent to write social copy for a launch without leaving the editor.

The problemWriting and checking launch posts is a separate chore from coding, and agents have no safe way to hand off drafts.

The outcomeDrafts saved in the YominPost studio, each with a risk check result, waiting for a human to press Publish.

What you need first

  • uv installed (curl -LsSf https://astral.sh/uv/install.sh | sh)
  • Internet access so uvx can fetch the repo from GitHub
  • A source text, URL or image links to turn into posts
  • Optional: an OAuth app for each platform you want to publish to (see docs/REGISTER_APPS.md)
  • Optional: an API key or a logged-in local claude or codex CLI for better copy; the default template driver needs no key

Steps

  1. Register the MCP server in Claude Code with claude mcp add yominpost -- uvx --from git+https://github.com/mrlong0129/yominpost yominpost-mcp.
  2. For Cursor, add the Yominpost entry to ~/.cursor/mcp.json or .cursor/mcp.json as shown in the README.
  3. Install the agent skill by copying skill/SKILL.md into ~/.claude/skills/yominpost/ so the agent knows the workflow. (inferred, check the README)
  4. Ask the agent to call generate_posts for your material, then check_post on each draft.
  5. Ask the agent to call save_draft, then open the studio with uvx --from git+https://github.com/mrlong0129/yominpost yominpost --open to review and publish.

Prompt for your agent

Using the yominpost MCP server from github.com/mrlong0129/yominpost, call generate_posts for <your launch material>, run check_post on each draft, and save the passing drafts with save_draft. Expected output: saved drafts with risk check results. Verify that no publish action was taken, since the MCP server has no publish tool.

Caveat. The MCP server deliberately has no publish tool, so every draft still needs a person to approve it in the UI.

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