developer-toolsapi_key

HackerRank Work

HackerRank Work enables coding interviews and technical assessments, providing developers with challenges and real-time collaboration for data-driven hiring decisions

Verdict

HackerRank Work brings technical hiring workflows into Switchy. @mention it to create coding assessments, review candidate submissions, pull test results, and track interview pipelines without leaving your workspace. Engineering managers and recruiters get the most value — you can draft job-specific challenges, compare candidate performance across tests, and share scorecards with hiring committees in real time. Setup requires a HackerRank Work API key, which means you need admin access to your company's account.

Common use cases

  • Draft coding challenges for open roles
  • Pull candidate scores into hiring reviews
  • Compare test performance across applicants
  • Generate interview scorecards from submissions
  • Track pipeline status during standup

Integration

Vendor
HackerRank Work
Category
developer-tools
Auth
API_KEY
Composio slug
hackerrank_work

Tools

Per-tool listings haven't synced yet for HackerRank Work. The connection itself works - your Space can already @-mention it. Tool descriptions will fill in on the next Composio ingest.

Setup

Setup guide

  1. 11. In Switchy, open your workspace settings and navigate to the MCP Integrations tab. 2. Find HackerRank Work in the catalog and click Connect. 3. You'll be prompted to paste an API key — log into your HackerRank Work dashboard, go to Settings > API Keys, and generate a new key with read and write permissions. 4. Copy the key and paste it into Switchy's auth dialog, then click Authorize. 5. Switchy will verify the connection and show a green checkmark when ready. 6. Open any Space, type '@HackerRank Work' followed by a request like 'show me recent test results for the backend engineer role', and the MCP will respond with live data from your account.

What teammates see: by default, memories from HackerRank Work are scoped to the Space (PROJECT visibility) - you can mark any memory PRIVATE or share it ORG-wide.

Works well with

Top models

Compatibility data appears once enough Spaces have used this MCP together with a given model.

How Switchy teams use it

Not enough Spaces yet to publish anonymised usage stats (we require ≥ 50 Spaces per week).

Starter prompts

Create Assessment

@HackerRank Work create a mid-level backend engineer assessment focused on API design and database optimization. Include two coding problems and one SQL challenge.
Open in a Space →

Review Submissions

@HackerRank Work show me the last five submissions for the 'Senior Frontend Developer' test and highlight any standout solutions or red flags.
Open in a Space →

Compare Candidates

@HackerRank Work compare the scores and completion times for candidates Alice Chen, Bob Martinez, and Priya Sharma on the React assessment from last week.
Open in a Space →

Pipeline Status

@HackerRank Work give me a status update on all candidates currently in the coding challenge stage for backend and data engineering roles.
Open in a Space →

Generate Scorecard

@HackerRank Work create a scorecard for Jordan Lee's submission on the full-stack assessment, including code quality notes and time breakdown.
Open in a Space →

Example outputs

Illustrative - representative of the model's voice and quality, not literal recordings.

Prompt

@HackerRank Work show me all active coding assessments and their completion rates for the last 30 days

Output

Based on your HackerRank Work account, here are the active assessments from the past month: 'Backend Engineer Screen' (sent to 47 candidates, 34 completed, 72% completion rate), 'Frontend React Challenge' (sent to 29 candidates, 21 completed, 72% completion rate), and 'Full-Stack Take-Home' (sent to 18 candidates, 9 completed, 50% completion rate). The lower completion rate on the full-stack assessment may indicate length or difficulty concerns worth reviewing.

Notes

This read-heavy example demonstrates assessment analytics retrieval. Requires API key with read access to test and candidate data. Actual response structure depends on your account's assessment history and candidate pipeline size. Rate limits typically allow several hundred requests per hour.

Prompt

@HackerRank Work create a new Python coding test for mid-level backend engineers, include questions on async programming and database optimization

Output

I've created a new assessment titled 'Backend Engineer - Python Focus' in your HackerRank Work account. The test includes three questions: one async/await concurrency problem (medium difficulty, 45 minutes), one SQL query optimization challenge (medium difficulty, 30 minutes), and one API design question combining both concepts (hard difficulty, 60 minutes). The assessment is saved as a draft and requires your review before sending to candidates. You can customize time limits and add custom questions through the HackerRank dashboard.

Notes

This write example shows assessment creation. The MCP can configure tests but cannot guarantee specific question content matches your exact requirements—HackerRank's question library determines availability. You'll need to review and publish the draft manually. API key must have write permissions for test creation.

Prompt

@HackerRank Work analyze the top 5 candidates from our 'Senior DevOps Engineer' assessment and summarize their strengths and gaps

Output

Here's a synthesis of your top 5 candidates from the Senior DevOps assessment: Candidate A (score: 87%) excels in Kubernetes orchestration and CI/CD pipeline design but showed weaker performance on infrastructure-as-code questions. Candidate B (score: 84%) demonstrated strong Terraform skills and security best practices, though struggled with real-time debugging scenarios. Candidate C (score: 82%) balanced across all areas with no major gaps. Candidates D and E (scores: 79%, 78%) both need follow-up on monitoring and observability concepts. Overall, the cohort is strong on automation but may benefit from deeper architecture discussions in interviews.

Notes

This synthesis example combines candidate score data with AI reasoning to surface hiring insights. The analysis quality depends on how much detail HackerRank captures per question (some assessments provide richer breakdowns than others). Use this as a screening aid, not a replacement for technical interviews or reference checks.

Use-case deep-dives

Technical screening for remote hiring

When HackerRank Work fits distributed engineering hiring

A 6-person startup hiring their first two backend engineers uses HackerRank Work to run timed coding challenges before scheduling live interviews. The MCP lets the hiring manager pull candidate scores and submission timestamps into Switchy threads where the team discusses who moves forward. This works when you're running 15-30 assessments per quarter and need a single source of truth for pass/fail decisions. The API key auth means any team member can query results without waiting on the recruiter. If you're hiring at higher volume or need to customize test cases weekly, you'll spend more time managing the integration than reviewing candidates. Buy this if your interview pipeline is standardized and you want assessment data in the same workspace where you plan onboarding.

Onboarding skill verification

Using HackerRank Work to validate new hire readiness

A 12-person agency onboards junior developers every quarter and uses HackerRank Work to confirm they can write production-ready code before assigning client projects. The team lead runs a standard SQL and Python assessment in week one, then pulls results into Switchy to decide whether the hire needs extra pairing time or can jump into tickets. This scenario works because the assessment is a one-time gate, not a recurring evaluation. The MCP saves the lead from logging into HackerRank's dashboard separately—results land in the same thread where onboarding tasks are tracked. If you're assessing skills continuously or need real-time feedback during pair programming, this integration is overkill. Buy this if you run structured onboarding gates and want assessment outcomes documented alongside the rest of your process.

Internal upskilling progress tracking

When HackerRank Work supports team skill development

A 20-person product engineering team runs quarterly skill challenges to help mid-level engineers level up into senior roles. The engineering manager uses HackerRank Work to host challenges on system design and algorithm optimization, then pulls completion rates and scores into Switchy to identify who's ready for promotion discussions. This works when upskilling is structured and you need objective data to back promotion decisions. The MCP keeps challenge results in the same workspace where the manager tracks 1-on-1 notes and career development plans. If your team learns through unstructured side projects or code reviews, this integration won't capture the signal you need. Buy this if you run formal skill development programs and want assessment data feeding directly into performance conversations.

Frequently asked

What does the HackerRank Work MCP do in Switchy?

It connects your HackerRank Work account so AI assistants in Switchy can query candidate assessments, test results, and interview data. Your team can ask questions like "show me Python candidates who scored above 80" without leaving the chat. The MCP uses your API key to authenticate, so it inherits your existing permissions in HackerRank Work.

Do I need admin access to connect HackerRank Work?

You need permission to generate API keys in your HackerRank Work account. Most organizations restrict this to admins or hiring managers. If you can't find the API key section in your HackerRank settings, ask your account owner to either grant you access or generate a key on your behalf.

Can the MCP create new coding tests or invite candidates?

Not yet. The current integration is read-only — it pulls assessment data and candidate results but doesn't write anything back to HackerRank. If you need to schedule tests or send invites, do that directly in HackerRank Work. The MCP is for querying and analyzing data you already have.

Why use this instead of exporting CSV reports from HackerRank?

The MCP lets you ask follow-up questions in natural language without re-exporting data. Instead of downloading a spreadsheet every time you want to filter by skill or date range, you ask the AI once and get an answer. It's faster for ad-hoc queries during hiring reviews or standups.

Who on the team should connect this integration?

Whoever runs your technical hiring process — usually a hiring manager, recruiter, or engineering lead. They already have access to candidate data in HackerRank, so connecting it in Switchy just extends that access to your shared AI workspace. One connection covers the whole team's workspace.

Data last verified 607 hours ago.Sources aggregated hourly to weekly. See docs/architecture/model-directory.md.