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Stringer Grounded Synthesizer MCP Server

by getstringer Your server? Claim it
answering

Stringer Grounded Synthesizer is answering right now. Last checked 11 min ago. It exposes 1 tools. Last commit 26 Sep 2026.

Grounded synthesis from public sources. 3 free calls total; then $0.10 brief or $0.25 deep via x402.

Uptime history 50 days of history · worst day 93%
50 days agonow
100.0%
Uptime 24h
91 of 91 checks
1
Tools
read from the server
157 ms
Response time
average over 24h
0
Stars
last commit 26 Sep 2026

What changed 1

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 6 October 2026. No other catalogue keeps this.

6 Oct a tool description was rewritten synthesize_intelligence

Nothing serious here today

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

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 11 min ago.

run in your terminal
claude mcp add synthesizer --transport http https://synthesis.getstringer.app/mcp
Settings → Connectors → Add custom connector, then paste this address
https://synthesis.getstringer.app/mcp
~/.codex/config.toml
[mcp_servers.synthesizer]
url = "https://synthesis.getstringer.app/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "synthesizer": {
      "url": "https://synthesis.getstringer.app/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "synthesizer": {
      "type": "http",
      "url": "https://synthesis.getstringer.app/mcp"
    }
  }
}

Available tools 1

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

synthesize
synthesize_intelligence
Return extractive quotations with citations and source provenance from verified public sources. The first 3 calls are free, total, with no signup and no claim header. The allowance does not reset. Free calls include web discovery when no source URLs are given.

Endpoints

URLTransportStateLatencyChecked
https://synthesis.getstringer.app/mcp streamable-http answering 110 ms 11 min ago

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Stringer Grounded Synthesizer — questions

Answers built from our own checks of this server.

What can Stringer Grounded Synthesizer do?
It exposes 1 tools, read directly from the server on our last check. Among them: synthesize_intelligence. 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 Stringer Grounded Synthesizer 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 157 ms. The bar chart above shows every period we have measured.
How do I connect Stringer Grounded Synthesizer?
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 Stringer Grounded Synthesizer need an API key?
No. Stringer Grounded Synthesizer completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 1 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is Stringer Grounded Synthesizer?
It answers our handshake in 157 ms on average, which is faster than 80% of all working MCP servers we measure. That puts it in the quick quarter of the ecosystem. The comparison comes from our own checks across the whole registry, every 15 minutes.
Is Stringer Grounded Synthesizer open source?
The code is open source: it is published under the MIT licence, written in JavaScript and 0 stars on GitHub. The licence covers the code in the repository, not the hosted service at synthesis.getstringer.app, which runs on its operator's own terms.