FeedLetter MCP by usefulapi MCP Server

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answering

FeedLetter MCP by usefulapi is answering right now. Last checked 5 min ago. It exposes 4 tools. Last commit 11 Nov 2026.

List surveys, votes and feedback; create surveys and read Wall of Love items in FeedLetter.

Uptime history 4 days of history

4 days agonow

100.0%

Uptime 24h

91 of 91 checks

Tools

read from the server

206 ms

Response time

average over 24h

Stars

last commit 11 Nov 2026

What changed 4

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 10 November 2026. No other catalogue keeps this.

11 Nov a tool changed version

10 Nov a tool changed version3 times that day

and 2 more, back to 10 November 2026

Nothing serious here today

Today is the operative word: we check FeedLetter MCP by usefulapi every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 5 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add feedletter --transport http https://feedletter.usefulapi.io/mcp

Settings → Connectors → Add custom connector, then paste this address

https://feedletter.usefulapi.io/mcp

~/.codex/config.toml

[mcp_servers.feedletter]
url = "https://feedletter.usefulapi.io/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "feedletter": {
      "url": "https://feedletter.usefulapi.io/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "feedletter": {
      "type": "http",
      "url": "https://feedletter.usefulapi.io/mcp"
    }
  }
}

Available tools 4

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

feedletter

feedletter_create_survey

Create a newsletter survey, a one-time poll or a web rating widget. Needs a Read & write key. Only type and name are required. Newsletter and poll responses return links (one voting link per answer) and email_html; web ratings return embed_html. Set external_id to your own stable id: a second call with the same external_id returns the existing survey (HTTP 200, already_exists) and changes nothing. Without external_id, each call creates a new survey. Do not combine copy_from with text_template. FeedLetter API: POST /v2/surveys.

feedletter_get_survey

Get one survey by its FeedLetter survey id: settings, placement code (links or embed_html), analytics (votes, daily votes, sentiment) and all feedback. Set results_only to true for just the identity, analytics and feedback. Use the survey id, not the external_id. Read-only. FeedLetter API: GET /v2/surveys/{id}.

feedletter_get_wall_of_love

Get the feedback that one Wall of Love shows, to build your own wall. Each item has id, comment, name (when shown), answer_label, created_at and survey_title. Comment and name are HTML-escaped. Business plan only: other plans get 403 plan_required. Read-only. FeedLetter API: GET /v2/walls-of-love/{id}.

feedletter_list_surveys

List or search your FeedLetter surveys (newsletter surveys, one-time polls and web rating widgets), newest first, 50 per page. q matches the name, id or external_id. Each item has id, type, name, external_id, public_title and created_at. While has_more is true, call again with page + 1. Read-only. FeedLetter API: GET /v2/surveys.

Endpoints

URL	Transport	State	Latency	Checked
https://feedletter.usefulapi.io/mcp	streamable-http	answering	220 ms	5 min ago

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FeedLetter MCP by usefulapi — questions

Answers built from our own checks of this server.

What can FeedLetter MCP by usefulapi do?

It exposes 4 tools, read directly from the server on our last check. Among them: feedletter_create_survey, feedletter_get_survey, feedletter_get_wall_of_love, feedletter_list_surveys. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is FeedLetter MCP by usefulapi working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 206 ms. The bar chart above shows every period we have measured.

How do I connect FeedLetter MCP by usefulapi?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does FeedLetter MCP by usefulapi need an API key?

No. FeedLetter MCP by usefulapi completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 4 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is FeedLetter MCP by usefulapi?

It answers our handshake in 206 ms on average, which is faster than 65% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is FeedLetter MCP by usefulapi open source?

The code is open source: it is published under the MIT licence, written in JavaScript, 1 stars on GitHub and 1 open issue. The licence covers the code in the repository, not the hosted service at feedletter.usefulapi.io, which runs on its operator's own terms.