Config is the same across clients — only the file and path differ.
{
"mcpServers": {
"ci-sentinel": {
"args": [
"-y",
"ci-sentinel-mcp"
],
"command": "npx"
}
}
}Are you the author?
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Security auditor for SEVEN CI ecosystems — GitHub Actions, GitLab CI/CD, Jenkins, CircleCI, Azure Pipelines, Bitbucket Pipelines and Travis CI — finds the supply-chain and injection flaws a YAML linter can't see, before an attacker's pull/merge request runs code with your repository secrets.
Run this in your terminal to verify the server starts. Then let us know if it worked — your result helps other developers.
npx -y 'npm' 2>&1 | head -1 && echo "✓ Server started successfully"
After testing, let us know if it worked:
Five weighted categories — click any category to see the underlying evidence.
Packing does not respect root-level ignore files in workspaces
### Impact `npm pack` ignores root-level `.gitignore` & `.npmignore` file exclusion directives when run in a workspace or with a workspace flag (ie. `--workspaces`, `--workspace=<name>`). Anyone who has run `npm pack` or `npm publish` with workspaces, as of [v7.9.0](https://github.com/npm/cli/releases/tag/v7.9.0) & [v7.13.0](https://github.com/npm/cli/releases/tag/v7.13.0) respectively, may be affected and have published files into the npm registry they did not intend to include. ### Patch - Up
Incorrect Permission Assignment for Critical Resource in NPM
An issue was discovered in an npm 5.7.0 2018-02-21 pre-release (marked as "next: 5.7.0" and therefore automatically installed by an "npm upgrade -g npm" command, and also announced in the vendor's blog without mention of pre-release status). It might allow local users to bypass intended filesystem access restrictions because ownerships of /etc and /usr directories are being changed unexpectedly, related to a "correctMkdir" issue.
Local Privilege Escalation in npm
Affected versions of `npm` use predictable temporary file names during archive unpacking. If an attacker can create a symbolic link at the location of one of these temporary file names, the attacker can arbitrarily write to any file that the user which owns the `npm` process has permission to write to, potentially resulting in local privilege escalation. ## Recommendation Update to version 1.3.3 or later.
npm CLI exposing sensitive information through logs
Versions of the npm CLI prior to 6.14.6 are vulnerable to an information exposure vulnerability through log files. The CLI supports URLs like `<protocol>://[<user>[:<password>]@]<hostname>[:<port>][:][/]<path>`. The password value is not redacted and is printed to stdout and also to any generated log files.
npm Vulnerable to Global node_modules Binary Overwrite
Versions of the npm CLI prior to 6.13.4 are vulnerable to a Global node_modules Binary Overwrite. It fails to prevent existing globally-installed binaries to be overwritten by other package installations. For example, if a package was installed globally and created a `serve` binary, any subsequent installs of packages that also create a `serve` binary would overwrite the first binary. This will not overwrite system binaries but only binaries put into the global node_modules directory. This b
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Security auditor for SEVEN CI ecosystems — GitHub Actions, GitLab CI/CD, Jenkins, CircleCI, Azure Pipelines, Bitbucket Pipelines and Travis CI — finds the supply-chain and injection flaws a YAML linter can't see, before an attacker's pull/merge request runs code with your repository secrets.
Available as an MCP server (for Claude / Cursor / any agent) and a pay-per-call HTTP API (x402 USDC or a prepaid card key).
Give it your .github/workflows/*.yml, .gitlab-ci.yml, Jenkinsfile,
.circleci/config.yml, azure-pipelines.yml, bitbucket-pipelines.yml and/or
.travis.yml (each file is auto-routed to the right analyzer) and get a
CRITICAL / VULNERABLE / RISKY / HARDENED verdict with the exact flaws.
| Class | What ci-sentinel does |
|---|---|
| 💉 Expression injection (inter-step / inter-job taint) | Taints untrusted ${{ github.event.* }} (issue/PR title, body, comment, review, branch name, commit message, label name, fork repo identity, edited-from values) to a run: shell or actions/github-script sink — and follows it across steps.<id>.outputs.*, needs.<job>.outputs.*, env: vars, matrix values and reusable-workflow inputs.*. An attacker who hides the untrusted value behind an intermediate output is still caught; a per-file grep is not. |
| 🎭 Pwn requests | pull_request_target / workflow_run that check out untrusted fork code in the privileged, secret-bearing context = arbitrary code execution with your secrets. |
| 🔑 Token permissions | Excessive GITHUB_TOKEN scopes (write-all, contents:write, id-token:write), missing permissions: blocks, and secrets exposed to untrusted triggers. |
| 🔁 Reusable workflows | workflow_call callers passing untrusted data across the boundary as inputs.*, and secrets: inherit handing the full secret set to a reusable workflow on an untrusted trigger. |
| 📌 Action pinning | Third-party actions (and reusable-workflow uses:) on mutable tags/branches instead of a commit SHA (the tj-actions/changed-files-style hijack), resolved through the transitive action graph. |
| 🖥️ Self-hosted RCE | Self-hosted runners reachable from public-repo PRs (RCE on your own infra), and OIDC id-token trust misuse. |
.gitlab-ci.yml)| Class | What ci-sentinel does |
|---|---|
| 💉 CI-variable injection | Taints untrusted GitLab variables (CI_COMMIT_REF_NAME/BRANCH/TAG, CI_MERGE_REQUEST_TITLE/DESCRIPTION/SOURCE_BRANCH_NAME, commit message/author, triggering-user fields) interpolated into script: — following the taint through variables: and extends: templates. Knows the SAFE vars (CI_COMMIT_SHA, CI_MERGE_REQUEST_IID, CI_PROJECT_ID, …) so it doesn't flag every $CI_. |
| 🎭 Fork merge-request pwn | Jobs reachable from fork MR pipelines (merge_request_event, only: merge_requests) that carry secrets / a broad CI_JOB_TOKEN / id_tokens (OIDC), or that run privileged work (deploy/publish/kubectl/terraform) with no when: manual gate. |
📦 include: supply-chain | include: from a remote URL or another project/component on a moving (non-SHA) ref — foreign pipeline code merged into yours. |
| ☣️ Artifact / cache poisoning | An untrusted job writes an artifact/cache that a privileged downstream job consumes and executes (needs:/dependencies: or a shared cache path) — a cross-job and cross-pipeline escalation. |
| Ecosystem | What ci-sentinel catches |
|---|---|
🔧 Jenkins (Jenkinsfile) | Command injection from params.* / env.CHANGE_* / ghprb* / SCM data into sh/bat/powershell (through environment{} bindings); credential-leak (credentials()/withCredentials printed or baked into a GString); Groovy evaluate()/load RCE; missi |