How to Connect CircleCI to an AI Agent
Auth setup
1. Go to circleci.com > User Settings > Personal API Tokens. 2. Create token. 3. Use as 'Circle-Token' header or Bearer token.
Key facts
| Base URL | https://circleci.com/api/v2/ |
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| API version | v2 |
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| Auth | Personal API token as Bearer or in Circle-Token header. Generate at circleci.com > User Settings > Personal API Tokens. |
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| Request body | application/json |
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| Pagination | token-based: next_page_token in response. |
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| Rate limit | No published hard limit. Fair use policy. |
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| Error format | JSON: {"message":"..."} |
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Key endpoints
| Method | Path | Description |
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GET | /pipeline | List pipelines |
POST | /project/{project-slug}/pipeline | Trigger pipeline |
GET | /workflow/{id} | Get workflow details |
GET | /workflow/{id}/job | List jobs in workflow |
Quickstart
POST /api/v2/project/gh/{org}/{repo}/pipeline
Circle-Token: {token}
Content-Type: application/json
{"branch":"main"}
Agent pitfalls & tips
- Project slug format: gh/{org}/{repo} for GitHub, bb/{org}/{repo} for Bitbucket.
- Trigger pipeline with parameters for dynamic configuration.
- Use Insights API for test and performance metrics.
- Workflows contain jobs — hierarchy is Pipeline > Workflow > Job.
Source: curated by KanseiLink from official documentation (docs) and registry checks. Last reviewed: 2026-04-07. Specs change — verify against the official docs before production use.
Frequently Asked Questions
What is CircleCI's AEO score?
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CircleCI has an AEO score of 0.70 and is rated A (Functional agent integration). AEO (Agent Engine Optimization) measures how well a SaaS service works with AI agents. Scores range from 0.00 to 1.00, with grades from AAA (best) to D (not agent-ready).
Is CircleCI AI-agent-ready?
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CircleCI is currently connectable for AI agent use. API access is available but no dedicated MCP server has been published yet. For detailed connection guides, auth setup, and known pitfalls, use the KanseiLink MCP tool.
How does CircleCI compare to other DevOps services?
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In the DevOps category, CircleCI is rated A. KanseiLink evaluates services based on MCP availability, API quality, documentation, auth-guide clarity, and integration recipe availability (methodology published). Visit the full rankings at kansei-link.com to see how CircleCI compares.
How can I integrate CircleCI with an AI agent?
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The fastest way to integrate CircleCI with an AI agent is through KanseiLink MCP. Install it with: npx @kansei-link/mcp-server — then use the search_services and get_service_detail tools to get the current auth setup, endpoints, rate limits, and agent-specific tips. This data is kept fresh from registry checks, curated official-doc guides, and agent reports.
How do I authenticate with CircleCI?
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Personal API token as Bearer or in Circle-Token header. Generate at circleci.com > User Settings > Personal API Tokens. Setup: 1. Go to circleci.com > User Settings > Personal API Tokens. 2. Create token. 3. Use as 'Circle-Token' header or Bearer token.
What are CircleCI's API rate limits?
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No published hard limit. Fair use policy.