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Census MCP by usefulapi MCP Server

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Census MCP by usefulapi is answering right now. Last checked 11 min ago. It exposes 13 tools. Last commit 2 Nov 2026.

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

Uptime history 91 days of history · worst day 0%
91 days agonow
100.0%
Uptime 24h
91 of 91 checks
13
Tools
read from the server
160 ms
Response time
average over 24h
1
Stars
last commit 2 Nov 2026

What changed 45

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 30 September 2026. No other catalogue keeps this.

2 Nov a tool changed version
31 Oct a tool changed version4 times that day
30 Oct a tool changed version2 times that day
29 Oct a tool changed version2 times that day
28 Oct a tool changed version2 times that day
25 Oct a tool changed version4 times that day
24 Oct a tool changed version3 times that day
23 Oct a tool changed version
22 Oct a tool changed version
20 Oct a tool changed version3 times that day
and 35 more, back to 30 September 2026

What the code does

We read the source, 22 h ago · tools taken from the live server · rules 995398eba69f

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.

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 census --transport http https://census.usefulapi.io/mcp
Settings → Connectors → Add custom connector, then paste this address
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
{
  "servers": {
    "census": {
      "type": "http",
      "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

URLTransportStateLatencyChecked
https://census.usefulapi.io/mcp streamable-http answering 74 ms 11 min ago

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Census MCP by usefulapi — questions

Answers built from our own checks of this server.

What can Census MCP by usefulapi 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 MCP by usefulapi 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 160 ms. The bar chart above shows every period we have measured.
How do I connect Census MCP by usefulapi?
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 Census MCP by usefulapi need an API key?
No. Census MCP by usefulapi 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 MCP by usefulapi?
It answers our handshake in 160 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 Census MCP by usefulapi open source?
The code is open source: it is published under the MIT licence, written in JavaScript, 1 stars on GitHub and 1 open issue. The licence covers the code in the repository, not the hosted service at census.usefulapi.io, which runs on its operator's own terms.