Census MCP Server

by usefulapi Your server? Claim it

answering

Census is answering right now. Last checked 15 min ago. It exposes 13 tools. Last commit 1 Sep 2026.

List reverse-ETL sources, destinations, models, syncs and runs; trigger syncs into SaaS tools.

Uptime history 47 days of history · worst day 2%

47 days agonow

100.0%

Uptime 24h

91 of 91 checks

Tools

read from the server

172 ms

Response time

average over 24h

Stars

last commit 1 Sep 2026

What the code does

We read the source, 20 h ago · tools taken from the live server · rules 3dff92dd89df

Capabilities

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

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Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

This code can reach further than it looks

We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 15 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

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

~/Library/Application Support/Claude/claude_desktop_config.json

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

~/.codex/config.toml

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

.cursor/mcp.json

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

.vscode/mcp.json

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

Available tools 13

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

census

census_get_destination

Get a single destination connection by id. Census: GET /destinations/{id}.

census_get_model

Get a single model by id, including its SQL/query. Census: GET /models/{id}.

census_get_source

Get a single source connection by id. Census: GET /sources/{id}.

census_get_sync

Get a single sync's full configuration by id. Census: GET /syncs/{id}.

census_get_sync_run

Get a single sync run by id — status, counts, errors. Census: GET /sync_runs/{id}.

census_list_destinations

List configured destination connections (SaaS apps data is synced INTO, e.g. Salesforce, HubSpot, Marketo). Census: GET /destinations.

census_list_models

List SQL models / datasets defined in the workspace (the queries that produce rows to sync). Census: GET /models.

census_list_segments

List audience segments defined in the workspace. Census: GET /segments.

census_list_sources

List configured data warehouse sources (Snowflake, BigQuery, Redshift, Databricks, etc.). Census: GET /sources.

census_list_sync_runs

List sync run history (each run's status, records processed, timing). Filter by sync_id. Census: GET /sync_runs.

census_list_syncs

List syncs (a sync maps a source model to a destination object and keeps them in sync). Returns id, label, status, source_attributes, destination_attributes. Census: GET /syncs.

census_list_workspaces

List workspaces in the organization (note: usually requires an organization-level token). Census: GET /workspaces.

census_trigger_sync

TRIGGERS a sync run for the given sync id — this KICKS OFF a live data sync that writes records into the connected destination SaaS tool. Set force_full_sync=true to re-sync all rows instead of just changes. Census: POST /syncs/{id}/trigger.

Endpoints

URL	Transport	State	Latency	Checked
https://census.usefulapi.io/mcp	streamable-http	answering	205 ms	15 min ago

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Census — questions

Answers built from our own checks of this server.

What can Census do?

It exposes 13 tools, read directly from the server on our last check. Among them: census_get_destination, census_get_model, census_get_source, census_get_sync, census_get_sync_run, census_list_destinations and 7 more. 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 Census 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 172 ms. The bar chart above shows every period we have measured.

How do I connect Census?

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 Census need an API key?

No. Census completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 13 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Census?

It answers our handshake in 172 ms on average, which is faster than 72% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is Census open source?

Yes — it is published under the MIT licence, written in JavaScript and 0 stars on GitHub. The source link is on this page, so you can read exactly what it does with your data before you connect it.