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Stringer Grounded Synthesizer MCP Server

answering

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

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

Uptime history 55 hours of history · worst hour 25%
55 hours agonow
93.4%
Uptime 24h
85 of 91 checks
1
Tools
read from the server
186 ms
Response time
average over 24h
open, no key
Access
streamable-http

Stringer Grounded Synthesizer does not always answer

Over the last week it answered 93.3% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.

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
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "synthesizer": {
      "url": "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
{
  "mcpServers": {
    "synthesizer": {
      "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 never use metered research.

Endpoints

URLTransportStateLatencyChecked
https://synthesis.getstringer.app/mcp streamable-http answering 135 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 85 of 91 checks got a reply (93.4%), average response time 186 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 with the file path 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 186 ms on average, which is faster than 76% 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.