# Job Posting Monitor MCP Server

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MCP server for the Mamba Labs [Job Posting Monitor](https://apify.com/mambalabs/gtm-job-discovery) actor on Apify.

Give it a list of role keywords and it returns the companies currently advertising those roles, one flat row per posting, each enriched with firmographics and the company LinkedIn URL.

## Install

```bash
npx -y @mambalabsdev/mcp-gtm-job-discovery
```

### Claude Desktop

```json
{
  "mcpServers": {
    "mamba-gtm-job-discovery": {
      "command": "npx",
      "args": ["-y", "@mambalabsdev/mcp-gtm-job-discovery"],
      "env": { "APIFY_TOKEN": "your-apify-token" }
    }
  }
}
```

Get an Apify token at [console.apify.com/account/integrations](https://console.apify.com/account/integrations).

## Tool

### `monitor_job_postings`

Give it a list of role keywords and it returns the companies currently advertising those roles, one flat row per posting, each enriched with firmographics and the company LinkedIn URL.

| Input | Type | Required | Notes |
| --- | --- | --- | --- |
| `keywords` | array | yes | Role titles to search for, one per entry. Each keyword runs through the source chain separately. |
| `sources` | array | no | Job boards, run as an ordered chain. Tier 0, no key: `jobicy`, `remotive`, `arbeitnow`, `themuse`, `remoteok`, `weworkremotely`, `himalayas`. Tier 1: `adzuna` (needs `adzuna_app_id` and `adzuna_app_key`). Tier 2, only for keywords still short: `jobspipe`, `theirstack` (each needs its key) and `google_jobs` (needs `serpapi_key`). A posting on two boards is counted once. Default `["google_jobs"]`. |
| `country` | string | no | Geographic filter, for example United States, United Kingdom, Canada. Default `United States`. |
| `countries` | array | no | Loop these countries in one run. Overrides `country` when set. |
| `lookback_days` | integer | no | Only return postings newer than this many days. Default `30`. |
| `company_size_min` | integer | no | Drop companies with fewer employees than this (applied only when company size is known). |
| `company_size_max` | integer | no | Drop companies larger than this (applied only when company size is known). |
| `exclude_staffing_agencies` | boolean | no | Filter out staffing and recruitment agency postings. Default `true`. |
| `exclude_freelance_marketplaces` | boolean | no | Filter out postings where the company is a freelance marketplace (Upwork, Fiverr, and others). Default `true`. |
| `freelance_marketplaces` | array | no | Company names treated as freelance marketplaces. Default `["Upwork", "Fiverr", "Freelancer", "Toptal", "PeoplePerHour", "Guru", "99designs"]`. |
| `remote_only` | boolean | no | Only return remote postings. Default `false`. |
| `previous_run_date` | string | no | ISO date of your last run, for example 2026-06-01. Only newer postings are emitted, on top of the built in cross run delta cache. |
| `max_results` | integer | no | Upper bound on raw postings pulled before filtering. Higher values cost more. Default `100`. |
| `max_companies` | integer | no | Cap on unique companies enriched per run (firmographics and LinkedIn). Default `40`. |
| `serpapi_key` | string | no | Your SerpAPI key for the `google_jobs` source (free key at serpapi.com, 250 searches a month). |
| `adzuna_app_id` | string | no | Your Adzuna application id for the `adzuna` source. |
| `adzuna_app_key` | string | no | Your Adzuna application key for the `adzuna` source. |
| `jobspipe_key` | string | no | Your JobsPipe key for the `jobspipe` source. Billed by JobsPipe per job returned. |
| `theirstack_key` | string | no | Your TheirStack key for the `theirstack` source. Billed by TheirStack per job returned. |
| `metered_window_days` | integer | no | Ask the metered sources only for postings this many days old or newer, 1 to 7. Default `2`. |
| `enough_new_companies_per_keyword` | integer | no | Stop the chain for a keyword once this many new companies are found. Default `3`. |
| `metered_run_cap` | integer | no | Ceiling per metered source per country per run. Default `50`. |
| `max_charge_usd` | number | no | Optional cost cap in USD for this run. The actor stops before an item that could take its charges past this amount. Omit to rely on the maximum cost per run set in Apify. |

Keys passed as inputs travel in the tool call and stay in the chat transcript.

## Billing

You are charged per result row returned, plus a small actor start fee. Filtered postings are free.

Price per event on the Apify FREE plan, from the live pricing record; paid Apify plans pay less per event.

| Event | Price (USD) |
| --- | --- |
| Actor Start (`apify-actor-start`) | 0.00005 |
| result (`apify-default-dataset-item`) | 0.02 |

Pricing is on the [actor's Apify page](https://apify.com/mambalabs/gtm-job-discovery). Running this server consumes Apify credits.

## What this server does and does not do

It is a thin client for the Apify actor. It passes your input through and returns the actor's output unchanged. Every behavior described above lives in the actor, not here.

Errors are surfaced, never swallowed. An invalid input, an invalid token, an exhausted balance, a timeout, or a run that returns anything other than a dataset all come back as an explicit tool error rather than as an empty result.

## Source

The actor is on the [Apify Store](https://apify.com/mambalabs/gtm-job-discovery). This wrapper is [MIT licensed](LICENSE).

Built by [Mamba Labs](https://apify.com/mambalabs)