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Structured Output MCP Agent Langchain Core MCP Server

by getvda Your server? Claim it
answering

Structured Output MCP Agent Langchain Core is answering right now. Last checked 12 min ago. It exposes 2 tools.

Structured Output MCP Agent (Langchain Core)

Uptime history 7 days of history
7 days agonow
100.0%
Uptime 24h
92 of 92 checks
2
Tools
read from the server
193 ms
Response time
average over 24h
open, no key
Access
streamable-http

Nothing serious here today

Today is the operative word: we check Structured Output MCP Agent Langchain Core 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 12 min ago.

run in your terminal
claude mcp add structured-output-mcp-agent-langchain-core --transport http https://structured-output-mcp-agent-langchain-core.getvda.ai/mcp
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "structured-output-mcp-agent-langchain-core": {
      "url": "https://structured-output-mcp-agent-langchain-core.getvda.ai/mcp"
    }
  }
}
~/.codex/config.toml
[mcp_servers.structured-output-mcp-agent-langchain-core]
url = "https://structured-output-mcp-agent-langchain-core.getvda.ai/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "structured-output-mcp-agent-langchain-core": {
      "url": "https://structured-output-mcp-agent-langchain-core.getvda.ai/mcp"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "structured-output-mcp-agent-langchain-core": {
      "url": "https://structured-output-mcp-agent-langchain-core.getvda.ai/mcp"
    }
  }
}

Available tools 2

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

invoke
invoke
Turn a prompt + a field schema into validated, typed JSON (Instructor over Gemini 2.5 Flash on Vertex AI).
selftest
selftest
FREE, no payment required. Runs this agent's real capability on a fixed canned input and returns the genuine result, an honest assertion grade, and the full trust manifest (signed Agent Card, JWKS, governance/licence chain, safety posture) with a proof link for every claim. Intended for registries, graders and auditors: this is behavioural evidence, not a self-description.

Endpoints

URLTransportStateLatencyChecked
https://structured-output-mcp-agent-langchain-core.getvda.ai/mcp streamable-http answering 176 ms 12 min ago

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Structured Output MCP Agent Langchain Core — questions

Answers built from our own checks of this server.

What can Structured Output MCP Agent Langchain Core do?
It exposes 2 tools, read directly from the server on our last check. Among them: invoke, selftest. 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 Structured Output MCP Agent Langchain Core working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 92 of 92 checks got a reply (100.0%), average response time 193 ms. The bar chart above shows every period we have measured.
How do I connect Structured Output MCP Agent Langchain Core?
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 Structured Output MCP Agent Langchain Core need an API key?
No. Structured Output MCP Agent Langchain Core completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 2 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is Structured Output MCP Agent Langchain Core?
It answers our handshake in 193 ms on average, which is faster than 68% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.