attestd-mcpSAFE
Official MCP server for Attestd. Use Attestd supply chain and CVE signals directly in Claude Code, Cursor, and Windsurf.
Overview
From the repository's own README, as read at the audited commit. Badges and raw HTML are left out.
[](https://www.npmjs.com/package/@attestd/mcp) [](https://smithery.ai/server/@attestd/mcp)
Attestd checks whether a dependency version has exploitable CVEs or a confirmed supply-chain compromise. One API call returns a structured risk response.
Official Model Context Protocol (MCP) server for Attestd. Exposes CVE risk and supply-chain checks as tools for Claude Code, Claude Desktop, and any MCP-compatible client.
Get a free API key · Full docs
- stdio transport: run via
npx -y @attestd/mcpwith no global install. - `check_package_vulnerability`: wraps `GET /v1/check` using `@attestd/sdk`.
- `check_batch_vulnerabilities`: checks up to 100 packages in one call. Use for lockfile and manifest audits.
- `list_covered_products`: returns Attestd-covered products. With an API key, returns live data from
GET /v1/products. Without a key, returns the static bundled infrastructure list. - `get_cve_details`: returns CVSS, EPSS, KEV status, and affected products for a single CVE id.
- `get_usage`: returns remaining quota for the authenticated key (
GET /v1/usage).
Prerequisites
- Node.js 18+
- An Attestd API key from the portal. Required for
check_package_vulnerability,check_batch_vulnerabilities,get_cve_details,get_usage, and livelist_covered_products.
Claude Code / MCP config
Add to ~/.claude/mcp.json or project .mcp.json:
{
"mcpServers": {
"attestd": {
"command": "npx",
"args": ["-y", "@attestd/mcp"],
"env": {
"ATTESTD_API_KEY": "your-api-key-here"
}
}
}
}Optional: ove
d546d0d3a058OBSERVED · 2026-10-08Connect
Built from this server's own package name, version and transport as found in its source — not copied from anyone's documentation, so it cannot drift against a page we do not control. Replace the environment placeholders with a token scoped to the least it needs.
claude mcp add mcp --env ATTESTD_API_KEY=${ATTESTD_API_KEY} -- npx -y @attestd/[email protected]Trust audit
SAFEgrade B · trust 89/100 Nothing in the source contradicts what it says it does. Grade A is reserved for packages that have also passed the behavioural sandbox.
| Layer | What it checks | Result |
|---|---|---|
| L0 | Provenance & inventory | PASS |
| L1 | Static analysis of the code | PASS |
| L2 | Instruction surface (what it tells the agent) | PASS |
| L3 | Class-specific surface | PASS |
| L4 | Behavioural (sandbox) | SKIPPED |
What the source does
- Filesystem
- none-observed
- Network
- none-observed
- Shell
- none-observed
- Dependencies
- not all pinned
- Secrets in source
- none-found
Findings (2)
@attestd/sdk, @modelcontextprotocol/sdk, @types/node, tsup, typescript, vitest
Gates applied: no_behavioural_pass.
d546d0d3a058full audit observations/trust-audit/mcp-server/attestd-io__attestd-mcp.json · Report an issue / request a re-scanAudit history
Every audit this server has had. A grade with a past is a grade somebody is still checking.
| Date | Source | Verdict | Grade | Score | Change |
|---|---|---|---|---|---|
| 2026-10-08 | d546d0d3a058 | SAFE | B | 89 | first audit |
Questions
What is the attestd-mcp MCP server?
Official MCP server for Attestd. Use Attestd supply chain and CVE signals directly in Claude Code, Cursor, and Windsurf.
Is attestd-mcp safe to connect to an agent?
The audit found nothing in the source that contradicts what it says it does, and graded it B (89/100). Grade A is held back for packages that have also passed a sandboxed behavioural run, which is why a clean server reads B.
What credentials does attestd-mcp need?
It reads ATTESTD_API_KEY from the environment. Give it a token scoped to the least it needs — an agent that can be talked into calling a tool can be talked into calling it with your credentials.
How does attestd-mcp run?
It speaks stdio, so it runs as a local process your client starts. It is published on npm as @attestd/mcp at 0.3.2.
How current is this page?
The grade is for one exact copy of the source (d546d0d3a058), read on 2026-10-08. The repository is watched and re-audited when it changes.