CircleCI▌
by circleci-public
Connect seamlessly with CircleCI to fetch build failure logs, troubleshoot issues, and streamline your CI/CD workflow.
Enables agents to talk to CircleCI. Fetch build failure logs to fix issues.
Both formats append explainx.ai attribution and the canonical URL for this MCP server listing.
best for
- / Developers debugging failed CI/CD builds
- / DevOps teams monitoring pipeline health
- / Engineers investigating test failures
capabilities
- / Fetch build failure logs and error details
- / Identify flaky tests across pipeline runs
- / Check latest pipeline status for branches
- / Retrieve test results and metadata from jobs
- / Validate CircleCI configuration files
- / Trigger new pipelines and rollbacks
what it does
Connects to your CircleCI account to fetch build logs, pipeline status, and test results directly from your IDE or AI assistant.
about
CircleCI is an official MCP server published by circleci-public that provides AI assistants with tools and capabilities via the Model Context Protocol. Connect seamlessly with CircleCI to fetch build failure logs, troubleshoot issues, and streamline your CI/CD workflow. It is categorized under developer tools.
how to install
You can install CircleCI in your AI client of choice. Use the install panel on this page to get one-click setup for Cursor, Claude Desktop, VS Code, and other MCP-compatible clients. This server runs locally on your machine via the stdio transport.
license
NOASSERTION
CircleCI is released under the NOASSERTION license.
readme
CircleCI MCP Server
Model Context Protocol (MCP) is a new, standardized protocol for managing context between large language models (LLMs) and external systems. In this repository, we provide an MCP Server for CircleCI.
Use Cursor, Windsurf, Copilot, Claude, or any MCP-compatible client to interact with CircleCI using natural language — without leaving your IDE.
Tools
| Tool | Description |
|---|---|
get_build_failure_logs | Retrieve detailed failure logs from CircleCI builds |
find_flaky_tests | Identify flaky tests by analyzing test execution history |
get_latest_pipeline_status | Get the status of the latest pipeline for a branch |
get_job_test_results | Retrieve test metadata and results for CircleCI jobs |
config_helper | Validate and get guidance for your CircleCI configuration |
create_prompt_template | Generate structured prompt templates for AI applications |
recommend_prompt_template_tests | Generate test cases for prompt templates |
list_followed_projects | List all CircleCI projects you're following |
run_pipeline | Trigger a pipeline to run |
run_rollback_pipeline | Trigger a rollback for a project |
rerun_workflow | Rerun a workflow from start or from the failed job |
analyze_diff | Analyze git diffs against cursor rules for violations |
list_component_versions | List all versions for a CircleCI component |
download_usage_api_data | Download usage data from the CircleCI Usage API |
find_underused_resource_classes | Find jobs with underused compute resources |
Installation
<details> <summary><strong>Cursor</strong></summary>Prerequisites:
- CircleCI Personal API token (learn more)
- NPX: Node.js >= v18 and pnpm
- Docker: Docker
Using NPX in a local MCP Server
Add the following to your Cursor MCP config:
{
"mcpServers": {
"circleci-mcp-server": {
"command": "npx",
"args": ["-y", "@circleci/mcp-server-circleci@latest"],
"env": {
"CIRCLECI_TOKEN": "your-circleci-token",
"CIRCLECI_BASE_URL": "https://circleci.com",
"MAX_MCP_OUTPUT_LENGTH": "50000"
}
}
}
}
CIRCLECI_BASE_URLis optional — required for on-prem customers only.MAX_MCP_OUTPUT_LENGTHis optional — maximum output length for MCP responses (default: 50000).
Using Docker in a local MCP Server
Add the following to your Cursor MCP config:
{
"mcpServers": {
"circleci-mcp-server": {
"command": "docker",
"args": [
"run",
"--rm",
"-i",
"-e",
"CIRCLECI_TOKEN",
"-e",
"CIRCLECI_BASE_URL",
"-e",
"MAX_MCP_OUTPUT_LENGTH",
"circleci/mcp-server-circleci"
],
"env": {
"CIRCLECI_TOKEN": "your-circleci-token",
"CIRCLECI_BASE_URL": "https://circleci.com",
"MAX_MCP_OUTPUT_LENGTH": "50000"
}
}
}
}
Using a Self-Managed Remote MCP Server
Add the following to your Cursor MCP config:
{
"inputs": [
{
"type": "promptString",
"id": "circleci-token",
"description": "CircleCI API Token",
"password": true
}
],
"servers": {
"circleci-mcp-server-remote": {
"url": "http://your-circleci-remote-mcp-server-endpoint:8000/mcp"
}
}
}
</details>
<details>
<summary><strong>VS Code</strong></summary>
Prerequisites:
- CircleCI Personal API token (learn more)
- NPX: Node.js >= v18 and pnpm
- Docker: Docker
Using NPX in a local MCP Server
Add the following to .vscode/mcp.json in your project:
{
"inputs": [
{
"type": "promptString",
"id": "circleci-token",
"description": "CircleCI API Token",
"password": true
},
{
"type": "promptString",
"id": "circleci-base-url",
"description": "CircleCI Base URL",
"default": "https://circleci.com"
}
],
"servers": {
"circleci-mcp-server": {
"type": "stdio",
"command": "npx",
"args": ["-y", "@circleci/mcp-server-circleci@latest"],
"env": {
"CIRCLECI_TOKEN": "${input:circleci-token}",
"CIRCLECI_BASE_URL": "${input:circleci-base-url}"
}
}
}
}
💡 Inputs are prompted on first server start, then stored securely by VS Code.
Using Docker in a local MCP Server
Add the following to .vscode/mcp.json in your project:
{
"inputs": [
{
"type": "promptString",
"id": "circleci-token",
"description": "CircleCI API Token",
"password": true
},
{
"type": "promptString",
"id": "circleci-base-url",
"description": "CircleCI Base URL",
"default": "https://circleci.com"
}
],
"servers": {
"circleci-mcp-server": {
"type": "stdio",
"command": "docker",
"args": [
"run",
"--rm",
"-i",
"-e",
"CIRCLECI_TOKEN",
"-e",
"CIRCLECI_BASE_URL",
"circleci/mcp-server-circleci"
],
"env": {
"CIRCLECI_TOKEN": "${input:circleci-token}",
"CIRCLECI_BASE_URL": "${input:circleci-base-url}"
}
}
}
}
Using a Self-Managed Remote MCP Server
Add the following to .vscode/mcp.json in your project:
{
"servers": {
"circleci-mcp-server-remote": {
"type": "sse",
"url": "http://your-circleci-remote-mcp-server-endpoint:8000/mcp"
}
}
}
</details>
<details>
<summary><strong>Claude Desktop</strong></summary>
Prerequisites:
- CircleCI Personal API token (learn more)
- NPX: Node.js >= v18 and pnpm
- Docker: Docker
Using NPX in a local MCP Server
Add the following to your claude_desktop_config.json:
{
"mcpServers": {
"circleci-mcp-server": {
"command": "npx",
"args": ["-y", "@circleci/mcp-server-circleci@latest"],
"env": {
"CIRCLECI_TOKEN": "your-circleci-token",
"CIRCLECI_BASE_URL": "https://circleci.com",
"MAX_MCP_OUTPUT_LENGTH": "50000"
}
}
}
}
Using Docker in a local MCP Server
Add the following to your claude_desktop_config.json:
{
"mcpServers": {
"circleci-mcp-server": {
"command": "docker",
"args": [
"run",
"--rm",
"-i",
"-e",
"CIRCLECI_TOKEN",
"-e",
"CIRCLECI_BASE_URL",
"-e",
"MAX_MCP_OUTPUT_LENGTH",
"circleci/mcp-server-circleci"
],
"env": {
"CIRCLECI_TOKEN": "your-circleci-token",
"CIRCLECI_BASE_URL": "https://circleci.com",
"MAX_MCP_OUTPUT_LENGTH": "50000"
}
}
}
}
Using a Self-Managed Remote MCP Server
Create a wrapper script (e.g. circleci-remote-mcp.sh):
#!/bin/bash
export CIRCLECI_TOKEN="your-circleci-token"
npx mcp-remote http://your-circleci-remote-mcp-server-endpoint:8000/mcp --allow-http
Make it executable:
chmod +x circleci-remote-mcp.sh
Then add the following to your claude_desktop_config.json:
{
"mcpServers": {
"circleci-remote-mcp-server": {
"command": "/full/path/to/circleci-remote-mcp.sh"
}
}
}
To find or create your config file, open Claude Desktop settings, click Developer in the left sidebar, then click Edit Config. The config file is located at:
- macOS:
~/Library/Application Support/Claude/claude_desktop_config.json - Windows:
%APPDATA%\Claude\claude_desktop_config.json
For more information: https://modelcontextprotocol.io/quickstart/user
</details> <details> <summary><strong>Claude Code</strong></summary>Prerequisites:
- CircleCI Personal API token (learn more)
- NPX: Node.js >= v18 and pnpm
- Docker: Docker
Using NPX in a local MCP Server
claude mcp add circleci-mcp-server -e CIRCLECI_TOKEN=your-circleci-token -- npx -y @circleci/mcp-server-circleci@latest
Using Docker in a local MCP Server
claude mcp add circleci-mcp-server -e CIRCLECI_TOKEN=your-circleci-token -e CIRCLECI_BASE_URL=https://circleci.com -- docker run --rm -i -e CIRCLECI_TOKEN -e CIRCLECI_BASE_URL circleci/mcp-server-circleci
Using a Self-Managed Remote MCP Server
claude mcp add circleci-mcp-server
---
FAQ
- What is the CircleCI MCP server?
- CircleCI is a Model Context Protocol (MCP) server profile on explainx.ai. MCP lets AI hosts (e.g. Claude Desktop, Cursor) call tools and resources through a standard interface; this page summarizes categories, install hints, and community ratings.
- How do MCP servers relate to agent skills?
- Skills are reusable instruction packages (often SKILL.md); MCP servers expose live capabilities. Teams frequently combine both—skills for workflows, MCP for APIs and data. See explainx.ai/skills and explainx.ai/mcp-servers for parallel directories.
- How are reviews shown for CircleCI?
- This profile displays 43 aggregated ratings (sample rows for discoverability plus signed-in user reviews). Average score is about 4.8 out of 5—verify behavior in your own environment before production use.
Use Cases▌
Extended AI Capabilities
Add new capabilities to Claude beyond text generation
Example
Access external data sources, execute code, interact with tools and services
Transform Claude from chatbot to action-taking agent
Context Enhancement
Provide Claude with access to relevant context and data
Example
Load project documentation, access knowledge bases, query databases
Get more accurate, context-aware responses
Workflow Automation
Automate multi-step workflows combining AI and external tools
Example
Research → Summarize → Create document → Send notification
Complete complex tasks end-to-end without manual steps
Implementation Guide▌
Prerequisites
- ›Claude Desktop 0.7.0+ or Cursor IDE with MCP support
- ›Basic understanding of MCP architecture and capabilities
- ›Access credentials for integrated services (if required)
- ›Willingness to experiment and iterate on configuration
Time Estimate
15-60 minutes depending on server complexity
Installation Steps
- 1.Install MCP server: npm install -g [package-name] or via GitHub
- 2.Add server configuration to ~/.claude/mcp.json
- 3.Provide required credentials and configuration
- 4.Restart Claude Desktop to load new server
- 5.Test basic functionality with simple prompts
- 6.Explore capabilities and experiment with use cases
- 7.Document successful patterns for reuse
Troubleshooting
- ⚠MCP server not loading: Check config syntax, verify installation
- ⚠Connection errors: Check network, firewall, credentials
- ⚠Feature not working: Read server docs, check required parameters
- ⚠Performance issues: Monitor resource usage, check for network latency
- ⚠Conflicts with other servers: Check port assignments, namespace collisions
Best Practices▌
✓ Do
- +Read server documentation thoroughly before setup
- +Start with simple use cases to validate functionality
- +Test in non-production environment first
- +Monitor resource usage and performance
- +Keep servers updated for bug fixes and new features
- +Document configuration for team members
- +Use environment variables for sensitive configuration
✗ Don't
- −Don't grant overly permissive access to MCP servers
- −Don't skip reading security considerations in docs
- −Don't expose sensitive data without proper controls
- −Don't run untrusted MCP servers without code review
- −Don't ignore error messages—investigate root cause
💡 Pro Tips
- ★Combine multiple MCP servers for powerful workflows
- ★Create custom MCP servers for your specific needs
- ★Share successful configurations with team
- ★Use MCP inspector for debugging
- ★Join MCP community for tips and troubleshooting
Technical Details▌
Architecture
Model Context Protocol standardizes how AI hosts (Claude, Cursor) communicate with external tools and data sources through server implementations.
Protocols
- Model Context Protocol (MCP)
- JSON-RPC 2.0
- stdio or HTTP transport
Compatibility
- Claude Desktop
- Cursor IDE
- Custom MCP clients
When to Use This▌
✓ Use When
Use when you need Claude to access external data, execute actions, or integrate with tools. Best for extending AI capabilities beyond conversation.
✗ Avoid When
Avoid when native integrations exist (use official APIs directly), for real-time critical systems, or when security/compliance requires zero external dependencies.
Integration▌
- →Tool composition: Chain multiple MCP tools in workflows
- →Context augmentation: Provide AI with relevant external data
- →Action delegation: Let AI execute tasks on external systems
- →Bidirectional sync: Keep AI context and external systems in sync
Discussion
Product Hunt–style comments (not star reviews)- No comments yet — start the thread.
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Ratings
4.8★★★★★43 reviews- ★★★★★Chaitanya Patil· Dec 8, 2024
CircleCI has been reliable for tool-calling workflows; the MCP profile page is a good permalink for internal docs.
- ★★★★★Kabir Zhang· Dec 8, 2024
Strong directory entry: CircleCI surfaces stars and publisher context so we could sanity-check maintenance before adopting.
- ★★★★★Piyush G· Nov 27, 2024
We evaluated CircleCI against two servers with overlapping tools; this profile had the clearer scope statement.
- ★★★★★Fatima Choi· Nov 27, 2024
CircleCI is among the better-indexed MCP projects we tried; the explainx.ai summary tracks the official description.
- ★★★★★Rahul Santra· Nov 7, 2024
According to our notes, CircleCI benefits from clear Model Context Protocol framing — fewer ambiguous “AI plugin” claims.
- ★★★★★Pratham Ware· Oct 26, 2024
I recommend CircleCI for teams standardizing on MCP; the explainx.ai page compares cleanly with sibling servers.
- ★★★★★Shikha Mishra· Oct 18, 2024
We wired CircleCI into a staging workspace; the listing’s GitHub and npm pointers saved time versus hunting across READMEs.
- ★★★★★Kabir Khan· Oct 18, 2024
CircleCI reduced integration guesswork — categories and install configs on the listing matched the upstream repo.
- ★★★★★Kabir Diallo· Sep 25, 2024
We wired CircleCI into a staging workspace; the listing’s GitHub and npm pointers saved time versus hunting across READMEs.
- ★★★★★William Flores· Sep 13, 2024
CircleCI is among the better-indexed MCP projects we tried; the explainx.ai summary tracks the official description.
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