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1eb5ee1eaa
Figma's mcp.figma.com register endpoint is a client_name allowlist (Claude Code / Codex succeed; Hermes Agent 403s) and returns a client secret while advertising auth_method=none, then requires the secret on token exchange. Auto-set client_name + client_secret_post for Figma hosts, pass oauth cfg through login/add paths, force interactive OAuth for hermes mcp login from non-TTY desktop shells, and ship a catalog entry. Proven: hermes mcp login figma → 26 tools.
39 lines
1.5 KiB
YAML
39 lines
1.5 KiB
YAML
# Nous-approved MCP catalog entry.
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# Presence in this directory = approval. Merged via PR review.
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manifest_version: 1
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name: figma
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description: >-
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Official Figma remote MCP — design context, Code Connect, and
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write-to-canvas via https://mcp.figma.com/mcp (OAuth).
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source: https://developers.figma.com/docs/figma-mcp-server/remote-server-installation/
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# Figma's hosted endpoint requires OAuth 2.1 + DCR. Their registration
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# endpoint allowlists *exact* client_name strings (not arbitrary clients):
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# "Claude Code" and "Codex" succeed; "Hermes Agent" 403s. Hermes's MCP
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# OAuth layer auto-sets client_name to "Claude Code" for this host (see
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# tools/mcp_oauth.apply_oauth_provider_defaults) so the browser flow can
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# start. Users can override via oauth.client_name if they want Codex
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# instead. Scope defaults to mcp:connect.
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transport:
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type: http
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url: https://mcp.figma.com/mcp
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auth:
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type: oauth
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post_install: |
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On first connection Hermes opens a browser to authorize with Figma
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(or run `hermes mcp login figma`). Approve access, then restart the
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session so tools load.
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Figma walks OAuth DCR by exact client_name. Hermes registers as
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"Claude Code" automatically so registration is not 403'd — you do not
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need to paste a client_id.
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Prompt with a frame/file link:
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implement this design: https://www.figma.com/design/<fileKey>/...
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Desktop alternative (no OAuth, local only): enable Dev Mode MCP in the
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Figma desktop app (Shift+D → Inspect → Enable desktop MCP server) and
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point url at http://127.0.0.1:3845/mcp instead.
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