Open-source Recruiting Agents
Run AI-powered sourcing, screening, and outreach workflows on your own AI, your own data, your own tools.
Free to start · $10 AI credit included · No credit card
Built by recruiters, for recruiters
From the team behind the AI Adoption Ladder for recruiting teams
★ 2 on GitHubThe problem
Chatting with AI isn’t a workflow
- Your AI workflow lives in 14 browser tabs and one person’s head.
- Every CV screen starts from a blank prompt — and ends with different results.
- The prompts that work are buried in someone’s chat history, not your team’s toolkit.
The Calyflow way
Import a workflow. Attach your docs. Run.
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Import a proven workflow
CV screening, sourcing maps, outreach: built by recruiters, versioned like code.
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Attach your documents
The workflow knows what it needs (JD, intake notes, CVs) and tells you what’s missing.
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Run it: same quality every time
Repeatable results your whole team can use, with the run cost visible on every run.
Core principles
Your AI. Your data. Your tools.
Calyflow is the workflow layer. Everything else stays yours: no middleman on your tokens, no hostage-taking of your candidate data.
Bring Your Own AI
Model-agnostic by design. Use the models you already pay for, and switch any time.
- Anthropic
- OpenAI
- Mistral
- xAI (Grok)
- DeepSeek
- Groq
- Cohere
- Local models Coming soon
Bring Your Own Data
Connect the systems where your candidates already live.
Calyflow does not own your candidate data.
- Greenhouse
- Lever
- Ashby
- Workable
- Bullhorn
- SmartRecruiters
- HubSpot
- Notion
- Google Sheets
- Airtable
- +19 more
Bring Your Own Tools
Agents can use multiple tools during execution: search, enrich, verify.
- Apollo
- Gong
- Hunter.io
- Lusha
- RocketReach
- Fireflies.ai
- Bright Data
- Instantly.ai
- Lemlist
- People Data Labs
- +10 more
Integration states are updated as they ship, never before.
Automation library
An automation platform for recruiting
Calyflow runs AI agents on your own AI, data, and tools. Some turn a brief into a finished deliverable; others reach into your ATS, CRM, and data to do the work.
Recruiting
Run the whole search lifecycle on your own AI, data, and tools — intake and job descriptions, sourcing, screening, outreach, and submission packs.
Candidate Outreach From Sheet via Email
An outreach agent that reads candidates from the tracker you run in Google Sheets, Excel, or Airtable, writes a short personalized email to each one grounded in the role and your tone of voice, sends them from your own mailbox (Gmail or Outlook), and saves a send log into the project. Pick the data source and the mailbox when you run it.
→ Emails
Sourcing Shortlist From ATS
A sourcing agent that reads the role's brief from your knowledge base, pulls candidates from whichever ATS you connect (Greenhouse, Bullhorn, Lever, Workable and 15 more), ranks them against the role, and writes a shortlist back into the project. Pick the ATS when you run it.
→ Document
Candidate Scorecard Rubric
Turn the project's job description into a structured Ideal Candidate Profile with a weighted scoring rubric — must-have (3), important (2) and nice-to-have (1) criteria, each with a concrete "how to evaluate" cue, plus a max-score guide. The rubric that drives consistent candidate screening.
→ Document
Business development
Win and grow client relationships — market your strongest candidates and research prospects before you reach out.
Candidate Marketing Profile
Turn a candidate's CV into a compelling, ready-to-market profile (MPC) — a positioning headline, biography in your voice, quantified wins, an anonymized blind teaser for cold campaigns, and pitch sound bites for hiring managers. Every claim is grounded in the CV, never invented.
→ Document
Client Prospecting Research
A business-development researcher that digs through whichever CRM you connect (HubSpot, Attio, Pipedrive, monday.com, Notion, Zoho CRM), maps the accounts, contacts, and deals that match your target brief, and writes a prospecting report back into the project. Pick the CRM when you run it.
→ Document
Who it's for
From solo desk to enterprise team
Independent Recruiter
- Sourcing on autopilot
- Personalized outreach at scale
- Candidate research in minutes
Free forever with your own AI key
Create free accountRecruiting Agency
- Shared workflows for the whole desk
- Team collaboration on every search
- Reporting clients actually read
Free for 30 days
Create free accountEnterprise Talent Team
- Governance and permissions
- Private deployment on your GCP, deployed by us
- Audit-ready AI usage
Free for 30 days · self-host option
Create free account Talk to us about private deploymentOpen source, on purpose
Calyflow is a set of open-source recruiting agents that run AI workflows on your own models, data, and tools.
The code is AGPL-3.0 and inspectable: you can read exactly what happens to every CV and every prompt. You can self-host the whole platform on your own infrastructure. And because your data lives in your systems and your AI runs on your key, there is no hostage-taking: leave any time and take everything with you. Contributions welcome.
FAQ
Real questions, direct answers
What is Calyflow?
Calyflow is a set of open-source recruiting agents that run AI workflows on your own models, data, and tools. Instead of chatting with AI in scattered browser tabs, you import a workflow (CV screening, sourcing, outreach), attach your documents, and run it.
Which AI models can I use?
Any major model: Claude, ChatGPT, Gemini, the OpenAI and Anthropic APIs, or local models. Calyflow is model-agnostic by design, so you can bring your own AI key and switch providers whenever you want.
Where is my candidate data stored?
Your candidate data stays in your own systems: your ATS, CRM, spreadsheets, or databases. Calyflow connects to your data to run workflows but does not own or warehouse it, and you can self-host the entire platform for full control.
Can I self-host Calyflow?
Yes. Calyflow is open source under AGPL-3.0, so you can self-host it on your own infrastructure. Enterprise teams can also have a private deployment on their own Google Cloud project, deployed by us.
Is Calyflow really free?
Yes. Free to start, no credit card, and every new account includes $10 of AI credit. Independent recruiters use Calyflow free forever; agencies and enterprise teams get 30 days free. Beyond the included credit, you pay only your AI provider for the tokens your workflows use, and every run shows its cost.
Is Calyflow GDPR-compliant?
Yes. Calyflow is built by an EU-based team with GDPR as a design constraint: your candidate data stays in your own systems, processing is transparent, and the website uses cookieless analytics with no tracking banner.
Do I need my own API key?
No. Every new account includes $10 of free credit on the built-in Calyflow key, powered by Claude Sonnet 4.6, so you can run workflows right away. When you want full control over the costs, the provider, and the data-processing relationship, bring your own AI key (Anthropic, OpenAI, Google, or a local model endpoint) with no markup and no middleman on your tokens.
Is Calyflow an ATS replacement?
No. Calyflow is the AI workflow layer that works alongside your ATS or CRM. It reads from and writes to the systems you already use, like Recruit CRM, Bullhorn, or Vincere, rather than replacing them.
Stop chatting. Start running workflows.
Free to start. Your own API key. No credit card.