ACP Governance MCP Server
Governs AI agent tool calls by checking them against Agentic Control Plane policies, returning allow/deny/ask decisions with audit logging and identity attribution for MCP clients like Claude and ChatGPT. Exposes acp_check and acp_status tools for policy enforcement and connection verification.
Caution. Specific findings reduced this grade. They are listed on the page. Grades reflect the full trust pyramid: code, verification depth, and reputation. New projects cap at C until adoption is earned.
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agentic-control-plane
Source: Glama
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Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.
express-rate-limit: IPv4-mapped IPv6 addresses bypass per-client rate limiting on servers with dual-stack network
express vulnerable to XSS via response.redirect()
ACP_API_BASEexport =https://your-acp-gateway.example.comACP_OAUTH_CLIENT_IDACP_OAUTH_CLIENT_SECRETACP_SERVICE_KEYexport =gsk_workspace_...APP_ORIGINFIREBASE_API_KEYFIREBASE_AUTH_DOMAINFIREBASE_PROJECT_IDJWKS_URIOAUTH_AUDIENCEOAUTH_ISSUEROAUTH_SCOPESOIDC_DISCOVERYPORTTool annotations
No tools have read-only/destructive annotations
Add readOnlyHint or destructiveHint annotations to every tool so hosts can warn users before invoking.
All four hints declared on every tool
2/2 tools missing one or more hints — acp_check (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); acp_status (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint). OpenAI's directory rejects tools where any of the four hints are missing or non-boolean.
For every tool, set all four hints (readOnlyHint, destructiveHint, idempotentHint, openWorldHint) to explicit true/false values that match the handler’s actual behaviour.
Tests exist
No test files found
Add tests that exercise each declared tool.
Secrets stay with their owner
2 secret/sensitive values flow into network calls (ACP_API_BASE → dynamic, ACP_API_BASE → dynamic)
Audit where credentials are sent. A NOTION_TOKEN should only reach api.notion.com — never a third-party host.
Production dependencies are patched
0 critical, 1 high severity in production deps — express-rate-limit@8.2.1 (high), express@4.19.2 (low)
Run npm audit fix, or upgrade the affected packages to a non-vulnerable version.
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