CATS MCP by usefulapi MCP Server

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answering

CATS MCP by usefulapi is answering right now. Last checked 14 min ago. It exposes 34 tools. Last commit 1 Nov 2026.

Read CATS candidates, jobs and pipelines, and make explicitly confirmed recruiting changes.

Uptime history 15 hours of history

15 hours agonow

100.0%

Uptime 24h

53 of 53 checks

Tools

read from the server

263 ms

Response time

average over 24h

Stars

last commit 1 Nov 2026

Nothing serious here today

Today is the operative word: we check CATS MCP by usefulapi every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 14 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

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

Settings → Connectors → Add custom connector, then paste this address

https://cats-ats.usefulapi.io/mcp

~/.codex/config.toml

[mcp_servers.cats-ats]
url = "https://cats-ats.usefulapi.io/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "cats-ats": {
      "url": "https://cats-ats.usefulapi.io/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "cats-ats": {
      "type": "http",
      "url": "https://cats-ats.usefulapi.io/mcp"
    }
  }
}

Available tools 34

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

cats

cats_add_candidate_activity

WRITE: Requires confirm:true. log an activity (a call, meeting, note...) on a candidate's record. It only records the entry in CATS: no email/SMS-send request is made, even for type 'email' or 'text_message'. Creates a new entry each time (not idempotent). POST /candidates/{id}/activities.

cats_change_pipeline_status

WRITE: Requires confirm:true. change the status of a pipeline (move a candidate to another stage of a job's workflow, e.g. Interviewing, Offered, Rejected). Get the pipeline id from cats_list_candidate_pipelines and the status id from cats_list_workflow_statuses. Requires confirm:true. Requests that status triggers (which can e-mail people or change records) be suppressed: every trigger attached to the target status is sent with fire=false. CATS remains responsible for enforcing its trigger semantics; independently configured webhooks may still run. The change is recorded in the pipeline's status history. POST /pipelines/{id}/status.

cats_create_candidate

WRITE: Requires confirm:true. create one candidate record (personal data) with name, optional contact details and notes. Refuses when CATS finds a duplicate (check_duplicate=true, the default). Creates a new record each time (not idempotent); no email-send request is made to the candidate and no login is created. POST /candidates.

cats_create_task

WRITE: Requires confirm:true. create a task in CATS, optionally about a candidate, contact, company or job and assigned to a user. Creates a new task each time (not idempotent); CATS may notify the assignee. POST /tasks.

cats_filter_candidates

Filter candidates by fields (read-only, although it is a POST): first_name, last_name, title, emails.primary, address.city/state/postal_code, country_code, current_employer, key_skills, notes, dates (date_created, date_modified), owner_id, is_hot... Each condition is {field, filter, value}; filters: exactly, contains, between {gte,lte}, greater_than, less_than, is_empty, geo_distance. Paged. POST /candidates/search.

cats_filter_pipelines

Filter pipelines by id, candidate_id, job_id, status_id, rating, date_created or date_modified (read-only, although it is a POST). Each condition is {field, filter, value}. Paged. POST /pipelines/search.

cats_get_candidate

One candidate by id (personal data). GET /candidates/{id}.

cats_get_company

One company by id. GET /companies/{id}.

cats_get_contact

One client contact by id (personal data). GET /contacts/{id}.

cats_get_job

One job order by id, with its description. GET /jobs/{id}.

cats_get_pipeline

One pipeline (a candidate on a job) by id. GET /pipelines/{id}.

cats_get_pipeline_status_history

The status changes of a pipeline over time (status, who, when). GET /pipelines/{id}/statuses.

cats_get_site

The CATS site (account) this API key belongs to: id, mode (recruiter or employer) and subdomain. GET /site.

cats_get_task

One task by id. GET /tasks/{id}.

cats_list_activities

The site-wide activity log (calls, emails logged, meetings, notes) with the record each is about, paged. GET /activities.

cats_list_candidate_activities

The activity log of a candidate (calls, meetings, notes, pipeline changes), paged. GET /candidates/{id}/activities.

cats_list_candidate_attachments

File names, sizes and whether each file is a resume, for a candidate's attachments. Metadata only: file contents are never downloaded. GET /candidates/{id}/attachments.

cats_list_candidate_pipelines

The jobs a candidate is in the pipeline for, with rating, workflow and current status id. GET /candidates/{id}/pipelines.

cats_list_candidate_tasks

Tasks attached to a candidate. GET /candidates/{id}/tasks.

cats_list_candidates

List candidates (personal data: name, emails, address, employer, skills, notes), one page at a time, max 100 per page. Use cats_search_candidates or cats_filter_candidates to find specific people. GET /candidates.

cats_list_companies

List client companies (name, address, website, owner), paged. GET /companies.

cats_list_contacts

List client contacts (personal data: name, title, emails, company), paged. GET /contacts.

cats_list_job_pipelines

The candidates in the pipeline of a job: pipeline id, candidate id, rating and current status id. Paged. GET /jobs/{id}/pipelines.

cats_list_job_statuses

The statuses a job order can have (Active, OnHold, Closed...). GET /jobs/statuses.

cats_list_jobs

List job orders with title, location, company, recruiter, status and workflow ids, dates. Paged. GET /jobs.

cats_list_pipelines

List candidate-to-job pipelines (candidate id, job id, rating, workflow id, status id), paged. GET /pipelines.

cats_list_tasks

List tasks (description, priority 1-5, due date, assignee, completion, the record it is about), paged. GET /tasks.

cats_list_users

List the CATS users (recruiters) with id, name, title and access level. Use the ids as owner or assignee. GET /users.

cats_list_workflow_statuses

The statuses of one pipeline workflow (id, title, prerequisites, triggers). Use the ids with cats_change_pipeline_status. GET /pipelines/workflows/{id}/statuses.

cats_list_workflows

The pipeline workflows (sets of statuses such as Contacted, Interviewing, Offered). GET /pipelines/workflows.

cats_search_candidates

Free-text search over candidates (name, email, skills, resume text...), paged. GET /candidates/search?query=.

cats_search_companies

Free-text search over companies, paged. GET /companies/search?query=.

cats_search_contacts

Free-text search over client contacts, paged. GET /contacts/search?query=.

cats_search_jobs

Free-text search over job orders, paged. GET /jobs/search?query=.

Endpoints

URL	Transport	State	Latency	Checked
https://cats-ats.usefulapi.io/mcp	streamable-http	answering	251 ms	14 min ago

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CATS MCP by usefulapi — questions

Answers built from our own checks of this server.

What can CATS MCP by usefulapi do?

It exposes 34 tools, read directly from the server on our last check. Among them: cats_add_candidate_activity, cats_change_pipeline_status, cats_create_candidate, cats_create_task, cats_filter_candidates, cats_filter_pipelines and 28 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 CATS MCP by usefulapi working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 53 of 53 checks got a reply (100.0%), average response time 263 ms. The bar chart above shows every period we have measured.

How do I connect CATS 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 CATS MCP by usefulapi need an API key?

No. CATS MCP by usefulapi completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 34 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is CATS MCP by usefulapi?

It answers our handshake in 263 ms on average, which is faster than 53% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is CATS 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 cats-ats.usefulapi.io, which runs on its operator's own terms.