The Rubrkit MCP server,
connected in one click.
MCP-native AI evaluation: rubric audits, eval suites, and proof reports for AI/LLM output. Connect the official Rubrkit MCP server to Claude, ChatGPT, or Cursor through gate — one gateway URL, no config files, security-checked.
Free to start · No credit card · No hosting needed
What your AI can do with Rubrkit
Real prompts you can type the moment it's connected — no setup, no docs to read.
“Use “rubrkit_search_api_docs”: Search the canonical docs/api Markdown guides and OpenAPI operation summaries.”
“Use “rubrkit_read_api_doc”: Read a docs/api Markdown guide or OpenAPI source by slug, file name, or docs/api path.”
“Use “rubrkit_read_openapi_contract”: Read the canonical docs/api/openapi.yaml contract.”
“Use “rubrkit_create_artifact_bundle”: Create an artifact bundle through /api/v1/artifact-bundles. Requires artifact_bundles:write for API keys.”
How secure is the Rubrkit MCP server?
Every server in the gate directory has to pass the same four checks before your AI can touch it. Here's how Rubrkit holds up.
Official endpoint
Operated by Rubrkit (rubrkit.com) at its documented MCP endpoint — not a third-party mirror or community re-host.
No sign-in needed
This server only exposes public data — no account and no credentials are involved when you connect.
Scanned before it goes live
gate checks every tool for prompt injection, hidden instructions, data-exfiltration hints, and over-broad permissions before the server is available through your gateway.
Watched for drift
If Rubrkit adds or changes tools later, gate re-scans and alerts you — before your AI acts on the change.
Connected in three steps
Connect your gate
Add one gateway URL to Claude, ChatGPT, or any MCP client. One-time setup, about two minutes.
Pick Rubrkit
Choose Rubrkit in the gate directory. No sign-in needed.
Use it anywhere
Rubrkit's tools are live in every AI client you've connected — with rules and logging built in.
Free to start · No credit card · No hosting needed
The actual tools Rubrkit exposes
Fetched live from the official endpoint and re-checked daily by gate — not marketing copy.
rubrkit_search_api_docs — Search the canonical docs/api Markdown guides and OpenAPI operation summaries.
rubrkit_read_api_doc — Read a docs/api Markdown guide or OpenAPI source by slug, file name, or docs/api path.
rubrkit_read_openapi_contract — Read the canonical docs/api/openapi.yaml contract.
rubrkit_create_artifact_bundle — Create an artifact bundle through /api/v1/artifact-bundles. Requires artifact_bundles:write for API keys.
rubrkit_list_artifact_bundles — List artifact bundles through /api/v1/artifact-bundles. Requires artifact_bundles:read for API keys.
rubrkit_read_artifact_bundle — Read artifact bundle details, files, and file tree. Requires artifact_bundles:read for API keys.
rubrkit_delete_artifact_bundle — Archive an artifact bundle (soft delete) through DELETE /api/v1/artifact-bundles/{artifactBundleId}. The bundle moves to the archived state
rubrkit_hard_delete_artifact_bundle — Permanently delete an archived artifact bundle and all of its files, versions, and run history through DELETE /api/v1/artifact-bundles/{arti
+ 33 more tools once connected
The Rubrkit MCP server at a glance
https://www.rubrkit.com/api/v1/mcpQuestions, answered
Is there an official Rubrkit MCP server?
Yes — Rubrkit operates its own remote MCP server at www.rubrkit.com. gate connects you to that official endpoint and adds security scanning, per-tool access rules, and an activity log on top.
How do I connect Rubrkit to Claude or ChatGPT?
Add gate's gateway URL to your AI client once, then pick Rubrkit in the directory. No account or sign-in is needed. From then on, Rubrkit's tools are available in every client you've connected to gate.
Do I need to host anything?
No. Rubrkit runs the server, and gate is fully managed. You just connect one URL — there's nothing to install, deploy, or maintain.
Is the Rubrkit MCP server safe to connect?
It's the vendor's official endpoint, and gate scans its tools for prompt injection and hidden instructions before it goes live, re-checks it whenever it changes, and lets you allow, block, or require approval for every single tool.
Is it free?
Yes — you can get started with gate for free and connect Rubrkit in minutes. No credit card required.
Connect more than just Rubrkit
Every server below works through the same gateway URL — connect once, add tools anytime.
Squarespace DomainsDesignView →Set up Rubrkit in: Claude · Claude Code · ChatGPT · Cursor · VS Code