TraceTail
by tracetail.io · remote · no sign-in to list tools · v3.0.1 · published by io.tracetail
Browser fingerprinting for web apps: integration code for any framework, docs search and pricing.
6 tools: 2 change things and 4 only read.
Scanned Oct 21, 2026
- Deletes or cancels0Claude Code: deny
- Can't be undone0Claude Code: ask
- Changes things2Claude Code: ask: see these tools
- Only reads4Claude Code: allow: see these tools
No check matched anything in the tool definitions. No finding is not a safety guarantee. How the checks work.
claude mcp add --transport http tracetail https://tracetail.io/mcpTools
Open a tool for its reasons and full description. Descriptions are the publisher's own words, shown as they are.
6 tools
Changes things 2Claude Code: ask
check_setup_linkWhere a setup link stands.No findings
Why it is in this group
- The name "check_setup_link" says "link": a word for a change.
Description, as the server wrote it Where a setup link stands. The first check after the person finishes returns the API keys (and the server key, if requested); they are not shown again. While they're still on the page, check again every few seconds.
Annotations the server declares
- title: Check a TraceTail setup link
- readOnlyHint: false
- destructiveHint: false
- idempotentHint: false
- openWorldHint: false
create_setup_linkGets TraceTail API keys for the person you work for: returns a link to give them, where they sign in with an emailed code and add a card or continue without a card, and a token.No findings
Why it is in this group
- The name "create_setup_link" says "create": a word for a change.
Description, as the server wrote it Gets TraceTail API keys for the person you work for: returns a link to give them, where they sign in with an emailed code and add a card or continue without a card, and a token. Then call check_setup_link with its id and token every few seconds: once they've finished, it returns an API key for each site (and a server key if you asked), once.
Annotations the server declares
- title: Create a TraceTail setup link
- readOnlyHint: false
- destructiveHint: false
- idempotentHint: false
- openWorldHint: false
Only reads 4Claude Code: allow
get_integration_codeThe exact install command and code to add TraceTail browser fingerprinting (a stable visitor ID for each browser, without cookies) to a web app built with the given framework, with…No findings
Why it is in this group
- The name "get_integration_code" says "get": a word for reading.
Description, as the server wrote it The exact install command and code to add TraceTail browser fingerprinting (a stable visitor ID for each browser, without cookies) to a web app built with the given framework, with where each file goes. Works without an API key (keyless mode, no sign-up); pass the site's public API key to fill it in.
Annotations the server declares
- title: Get TraceTail integration code
- readOnlyHint: true
- destructiveHint: false
- idempotentHint: true
- openWorldHint: false
get_pricingTraceTail's prices and limits (1,000 identification requests free every month, then $0.10 per 1,000), with the monthly cost at a given volume and the same volume on Fingerprint (Fi…No findings
Why it is in this group
- The name "get_pricing" says "get": a word for reading.
Description, as the server wrote it TraceTail's prices and limits (1,000 identification requests free every month, then $0.10 per 1,000), with the monthly cost at a given volume and the same volume on Fingerprint (FingerprintJS) for comparison.
Annotations the server declares
- title: Get TraceTail pricing
- readOnlyHint: true
- destructiveHint: false
- idempotentHint: true
- openWorldHint: false
read_docs_pageReturns a page of the TraceTail site as Markdown: "/docs" (the full documentation), "/pricing", "/vs-fingerprintjs", "/" (overview) or a blog post.No findings
Why it is in this group
- The name "read_docs_page" says "read": a word for reading.
Description, as the server wrote it Returns a page of the TraceTail site as Markdown: "/docs" (the full documentation), "/pricing", "/vs-fingerprintjs", "/" (overview) or a blog post.
Annotations the server declares
- title: Read a TraceTail page
- readOnlyHint: true
- destructiveHint: false
- idempotentHint: true
- openWorldHint: false
search_docsSearches TraceTail's documentation, pricing, comparison and blog for a topic (e.g.No findings
Why it is in this group
- The name "search_docs" says "search": a word for reading.
Description, as the server wrote it Searches TraceTail's documentation, pricing, comparison and blog for a topic (e.g. "next.js", "rate limits", "ad blockers", "GDPR", "server-side verification") and returns the matching sections with their URLs.
Annotations the server declares
- title: Search the TraceTail documentation
- readOnlyHint: true
- destructiveHint: false
- idempotentHint: true
- openWorldHint: false
This is not a safety rating, and no finding is not a safety guarantee. The groups and findings come from fixed checks of the tool definitions the server returned on the date shown, not from its code or what it does when called. How the checks work.
Install
Pinned to version 3.0.1. Values in angle brackets are yours to fill in.
claude mcp add --transport http tracetail https://tracetail.io/mcpRun in a terminal.
Claude Code permissions
Allow the reads, ask before a change, deny the deletes. Paste into .claude/settings.json.
{
"permissions": {
"allow": [
"mcp__tracetail__get_integration_code",
"mcp__tracetail__search_docs",
"mcp__tracetail__read_docs_page",
"mcp__tracetail__get_pricing"
],
"ask": [
"mcp__tracetail__create_setup_link",
"mcp__tracetail__check_setup_link"
],
"deny": []
}
}Tools that only read are allowed, tools that change things ask first, tools that delete or cancel are denied. It assumes the server is installed as tracetail. Review it before you use it.