MCP server

Persuasion Taxonomy

com.coppica/persuasion-taxonomy

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Plan and check marketing copy against the nine questions every reader asks. Free, no API key.

Website Source

At a glance

Type

MCP server

Publisher

coppica.com (verified by the MCP Registry)

Status

Working at last check

Tools

9

Token cost

About 6,919 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http persuasion-taxonomy https://taxonomy.coppica.com/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.persuasion-taxonomy]
url = "https://taxonomy.coppica.com/mcp"

Gemini CLI

{"mcpServers":{"persuasion-taxonomy":{"httpUrl":"https://taxonomy.coppica.com/mcp"}}}

Cursor

{"mcpServers":{"persuasion-taxonomy":{"url":"https://taxonomy.coppica.com/mcp"}}}

VS Code

{"servers":{"persuasion-taxonomy":{"type":"http","url":"https://taxonomy.coppica.com/mcp"}}}

Antigravity

agy mcp add persuasion-taxonomy https://taxonomy.coppica.com/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"persuasion-taxonomy","server_url":"https://taxonomy.coppica.com/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"persuasion-taxonomy","server_url":"https://taxonomy.coppica.com/mcp"}

Tools

• check_headlines ~1181 tokens
  Check headlines, email subject lines, ad openings, video hooks, social post openings and first lines, and compare options against each other. For each line it tells you whether the line does its job in that spot, meaning which of the nine reader questions it answers, and whether a competitor could s
• check_marketing_claims ~390 tokens
  Check whether marketing claims and calls to action are specific enough to believe. It catches the vague superlative, like "the best" or "#1", that readers discount on sight. It catches promises with no proof behind them and results with no mechanism, and it flags the generic buttons everyone uses, l
• diagnose_marketing_copy ~1500 tokens
  Review, critique or roast any piece of marketing copy, whether it's an ad, a landing page, an email, a sales page, a social post or a script, and find out why it might not persuade. Before you call it, read the copy and label each line with the one reader question it mainly answers, quoting the word
• explain_why_not_converting ~844 tokens
  Work out why an ad, a landing page, an email or a whole funnel isn't converting. Start from what you can see. Maybe people don't click (a low CTR), or they click and bounce, or they read and don't buy. Maybe they abandon the checkout or the form, the leads never buy, customers buy once and leave, or
• find_persuasion_techniques ~601 tokens
  Search the Persuasion Taxonomy, 766 named persuasion techniques documented from real advertising and organized by the nine reader questions they answer. Describe what you want the copy to do, like build trust without testimonials, create urgency without fake scarcity, handle a price objection, make
• get_persuasion_technique ~345 tokens
  Look up one persuasion technique by its ID (like PT-PRV-10000), its slug or its name. You get the full definition, why it works, when it lands and when it backfires, real examples from advertising, related and opposite techniques, and a link you can cite. Use it before you apply or recommend a techn
• plan_ab_test ~556 tokens
  Plan an A/B test for marketing copy. Give it the current conversion rate, the smallest lift worth detecting and the daily traffic, and it tells you how many visitors each version needs and how many days to run. It also frames the test as two different answers to the same reader question, so the resu
• plan_marketing_copy ~1018 tokens
  Plan any piece of marketing copy before you write it, whether it's an ad, a landing page, a sales page or sales letter, an email, a subject line, a social post, a headline or a video script. Give it the goal, the reader and the offer, and it tells you which of the nine questions every reader silentl
• read_ab_test_result ~484 tokens
  Read the result of an A/B test. You get each version's conversion rate and lift, whether the difference is statistically significant, the confidence interval, and the chance each version really beats the original. It also warns you about the things that make a test result lie. Those include too few

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