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dVeracity Semantic API MCP Server

by dveracity Your server? Claim it
answering

dVeracity Semantic API is answering right now. Last checked 3 min ago. 152 installs a week from npm. Last commit 15 Sep 2026.

Natural-language queries over a verified emissions knowledge graph, plus standards validation

Installs per day peak 350 · avg 69 · -44% w/w
a month agotoday
Uptime history 17 days of history
17 days agonow
100.0%
Uptime 24h
91 of 91 checks
Tools
hidden behind auth
195 ms
Response time
average over 24h
152
Installs / week
npm and PyPI

Nothing serious here today

Today is the operative word: we check dVeracity Semantic API 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 3 min ago.

run in your terminal
claude mcp add semantic-mcp --transport http https://api.dveracity.com/mcp
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "semantic-mcp": {
      "url": "https://api.dveracity.com/mcp"
    }
  }
}
~/.codex/config.toml
[mcp_servers.semantic-mcp]
url = "https://api.dveracity.com/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "semantic-mcp": {
      "url": "https://api.dveracity.com/mcp"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "semantic-mcp": {
      "url": "https://api.dveracity.com/mcp"
    }
  }
}

This one needs environment variables set before it will start: DVERACITY_API_KEY (dVeracity API key (dvrc_...). Required for the stdio package; metered calls are billed to it. Not used by the remote endpoint, which authenticates with OAuth.), DVERACITY_API_URL (Optional. Override the API base URL; defaults to production.), DVERACITY_KERI_AID (Optional. Agent AID enabling vLEI-verified identity mode.), DVERACITY_KERI_PRESENTATION (Optional. Path to the CESR presentation used with the agent AID.). The author declared them in the registry entry; get the values from the project itself.

This endpoint answered with an authorization challenge. The server is running, and it signs you in through your browser: there is no API key to paste.

Endpoints

URLTransportStateLatencyChecked
https://api.dveracity.com/mcp streamable-http sign-in 157 ms 3 min ago

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dVeracity Semantic API — questions

Answers built from our own checks of this server.

Why is there no tool list for dVeracity Semantic API?
The server answered our handshake with an authorization challenge, so it is running — but it will not describe its tools to an anonymous client. To see them you need to connect with your own credentials. We record it as alive, not as broken: 100.0% of checks in the last 24 hours got a reply.
Is dVeracity Semantic API 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 195 ms. The bar chart above shows every period we have measured.
How do I connect dVeracity Semantic API?
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. You sign in through your browser once and the client keeps the session: no key to copy, and it refuses anonymous clients.
How do you sign in to dVeracity Semantic API?
No API key is involved. dVeracity Semantic API answers our knock with an OAuth challenge, so you authorise it once in your browser and the client keeps the session. That is also why we see no tool list: it will not describe itself to an anonymous client, and that is the server working as intended, not a fault.
How fast is dVeracity Semantic API?
It answers our handshake in 195 ms on average, which is faster than 70% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.
How many people use dVeracity Semantic API?
The npm package @dveracity/semantic-mcp was installed 152 times in the last week. Week over week that is -44%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.
Is dVeracity Semantic API open source?
Yes — it is published under the Apache-2.0 licence, written in JavaScript, 0 stars on GitHub and 2 open issues. The source link is on this page, so you can read exactly what it does with your data before you connect it.