JANCTION Render’s operator says its remote MCP endpoint is https://render.janction.jp/mcp. Claude Code can be pointed to it with a documented HTTP transport command; Codex can also connect, but the exact Codex command or configuration is not established in the available operator article extract. The operator-reported beta limits are 10 GPU-minutes per key and 20 per network per day, plus a separate cap of 240 frames per 1080p job. These details are dated October 2, 2026, and should be checked against the live service before use.
What endpoint does Codex or Claude Code use?
The JANCTION Render operator article dated October 2, 2026, gives this remote MCP endpoint: https://render.janction.jp/mcp. It describes JANCTION Render as a cloud GPU service for rendering AI-written scenes and existing Blender .blend files.
This is an operator-reported endpoint and setup, not an independently verified integration. JANCTION Render is separate from Render.com; Render.com instructions and tools do not configure this service.
Connect Claude Code to JANCTION Render
The operator article gives this command for adding JANCTION Render as an HTTP MCP server in Claude Code:
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claude mcp add --transport http janction-render https://render.janction.jp/mcpRun it in a shell where the claude command is available. This adds a remote server entry; it does not establish what permissions the server requests or whether additional authentication is now required. Check the service’s current instructions and Claude Code’s MCP documentation if the command or client behavior has changed.
Connect Codex to JANCTION Render
The operator article says Codex can connect to the same endpoint as a remote MCP server, but its surfaced instructions do not provide a complete Codex command or configuration snippet. Do not copy Claude Code’s command into Codex: the clients use different configuration mechanisms. Follow the current Codex MCP instructions to add a remote server at https://render.janction.jp/mcp, and consult the operator article for any current JANCTION-specific requirements.
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The available information does not establish JANCTION Render’s authentication requirements, supported Codex configuration fields, or whether the endpoint’s behavior has changed since October 2, 2026.
What beta access and quotas did the operator report?
In its October 2, 2026 article, the operator described the beta as free, with no signup or payment card required. It reported these usage limits:
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- 10 GPU-minutes per key per day.
- 20 GPU-minutes per network per day.
- 240 frames per job at 1080p.
The GPU-minute allowances are daily quotas with two scopes: an individual key and a network. The 240-frame cap is a separate per-job limit at the stated resolution; meeting a frame cap does not remove the GPU-minute quota, or vice versa.
What happens when a daily quota is exceeded?
The operator says an over-quota job is rejected with HTTP 429 and error code quota_exceeded, with a resets_at field. The rejected job is not held for automatic execution after the reset, and splitting work into smaller jobs does not increase the daily allowance.
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When does the quota reset?
The reported reset time is 00:00 UTC, which is 09:00 Japan Standard Time. Treat the time and all quota values as beta terms reported on October 2, 2026—not guaranteed current limits. Check the live service or current operator documentation before planning a render around them.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What to check before granting an MCP client access
A remote MCP server gives a client a way to communicate with a service, so confirm the endpoint and understand the requested capabilities before connecting. Render.com’s official MCP documentation warns that its own server can perform potentially destructive operations and that sensitive information may be exposed to the AI application. That is useful general caution, not evidence about JANCTION Render’s permissions or security model.
- Verify the server address is the JANCTION Render endpoint you intend to use.
- Review what the client says the server can do before approving access or sending sensitive material.
- Check JANCTION’s current operator instructions for authentication, access controls, and data handling; those details are not established by the available operator article extract.
For the same reason, do not treat Render.com’s MCP setup or its Codex and Claude Code integrations as JANCTION instructions. The products have similar names but are distinct services.
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