Comet MCP
MCP Server connecting to Perplexity Comet browser
Comet MCP is an open-source mcp server by hanzili, written mainly in TypeScript, with 181 GitHub stars and the MIT license. Its code was last updated Jan 13, 2026.
Scan summary: scanned Nov 5, 2026 at commit 6f10c86. Seen able to run shell commands, control a web browser. Scan policy
6f10c86 · Nov 5, 2026Findings (15)
- highHigh. Something risky that needs a close look before you install.dependencies issueDetails are available to the maintainer after claiming this listing.
- mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
src/cdp-client.ts:25 - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
src/cdp-client.ts:144 - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
src/cdp-client.ts:403 - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.@hono/node-server@1.19.7: 3 known vulnerabilitiesGHSA-92pp-h63x-v22m, GHSA-frvp-7c67-39w9, GHSA-wc8c-qw6v-h7f6
package-lock.json - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.@modelcontextprotocol/sdk@1.25.1: 8 known vulnerabilitiesGHSA-22jm-h49p-29qw, GHSA-345p-7cg4-v4c7, GHSA-46jr-4wx8-v453, GHSA-6prh-2h8m-c8cw, GHSA-6qxp-vccf-f47h +3 more
package-lock.json - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.body-parser@2.2.1: 2 known vulnerabilitiesGHSA-27r3-jxmh-p828, GHSA-v422-hmwv-36x6
package-lock.json - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.fast-uri@3.1.0: 12 known vulnerabilitiesGHSA-333x-w4r6-6crp, GHSA-4c8g-83qw-93j6, GHSA-7p8r-x3mc-p8w7, GHSA-f65p-4m7j-42xc, GHSA-hrr3-gc8f-f4qj +7 more
package-lock.json - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.hono@4.11.3: 40 known vulnerabilitiesGHSA-26pp-8wgv-hjvm, GHSA-2gcr-mfcq-wcc3, GHSA-3hrh-pfw6-9m5x, GHSA-3vhc-576x-3qv4, GHSA-458j-xx4x-4375 +35 more
package-lock.json - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.path-to-regexp@8.3.0: 2 known vulnerabilitiesGHSA-27v5-c462-wpq7, GHSA-j3q9-mxjg-w52f
package-lock.json - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.ws@7.5.10: 1 known vulnerabilityGHSA-96hv-2xvq-fx4p
package-lock.json - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.zod@3.25.76: 1 known vulnerabilityGHSA-mrhx-c7xc-m3w5
package-lock.json - lowLow. Minor, or common in normal tools. Shown for information.ajv@8.17.1: 1 known vulnerabilityGHSA-2g4f-4pwh-qvx6
package-lock.json - lowLow. Minor, or common in normal tools. Shown for information.qs@6.14.1: 4 known vulnerabilitiesGHSA-4mjr-xmp4-gh2g, GHSA-6pq8-jhm2-2vcw, GHSA-q8mj-m7cp-5q26, GHSA-w7fw-mjwx-w883
package-lock.json - lowLow. Minor, or common in normal tools. Shown for information.No manifest declaring network access and environment variables (agent.json)
Network activity
Tools exposed (6)
comet_connectConnect to Comet browser (auto-starts if needed)
comet_askSend a prompt to Comet/Perplexity and wait for the complete response (blocking). Ideal for tasks requiring real browser interaction (login walls, dynamic content, filling forms) or deep research with agentic browsing.
comet_pollCheck agent status and progress. Call repeatedly to monitor agentic tasks.
comet_stopStop the current agent task if it's going off track
comet_screenshotCapture a screenshot of current page
comet_modeSwitch Perplexity search mode. Modes: 'search' (basic), 'research' (deep research), 'labs' (analytics/visualization), 'learn' (educational). Call without mode to see current mode.
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