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Axcess — Design Accessibility Evaluation

io.github.sicxz/axcess

This one plugs into accessibility evaluation workflows where automated WCAG scanners fall short. It analyzes UI designs for compliance issues that typically require human judgment, like color contrast in complex layouts, semantic structure problems, or focus order concerns. The payment model runs through x402 on Base, so you'll need that set up if you're using it beyond testing. Reach for this when you're doing design reviews or pre-launch audits and want to catch accessibility problems before they hit production. The remote transport setup means you don't need to run anything locally, just point Claude at the endpoint and feed it designs or component specs to evaluate.

tools
3
transport
HTTP
last updated
Mar 27, 2026

Install

From registry metadata
$ npx add-mcp https://axcess-mcp-server.fly.dev/mcp --name axcess

Run in your terminal. add-mcp asks which agents to add it to (Claude Code, Codex, Cursor and more). Add -g to install it for every project.

Review the command, arguments and environment values before installing. MCP servers run with your local permissions.

Other ways

Claude Code

$ claude mcp add --transport http axcess https://axcess-mcp-server.fly.dev/mcp

Run in your terminal. Add --scope user to make it available in every project.

Tools

Verified live · 3 tools

Verified live against the running server on Nov 6, 2026.

list_capabilitiesReturns available evaluation tools, what they check, and their pricing. Call this first to understand what Axcess can evaluate and how much each evaluation costs. This tool is FREE. All evaluation tools require USDC payment on Base network. Returns: JSON with tool descriptions...

Returns available evaluation tools, what they check, and their pricing. Call this first to understand what Axcess can evaluate and how much each evaluation costs. This tool is FREE. All evaluation tools require USDC payment on Base network. Returns: JSON with tool descriptions...

No parameters. Call it with no arguments.

evaluate_typographyEvaluates typography elements against a principled accessibility rubric. COST: $0.05 USDC via x402 on Base-compatible EVM network per call. Goes beyond what axe/Lighthouse/WAVE can check — evaluates design judgment, not just numeric compliance. Catches issues like: - Contrast...2 params

Evaluates typography elements against a principled accessibility rubric. COST: $0.05 USDC via x402 on Base-compatible EVM network per call. Goes beyond what axe/Lighthouse/WAVE can check — evaluates design judgment, not just numeric compliance. Catches issues like: - Contrast...

Parameters* required
elements*array
Array of typography elements to evaluate
screen_namestring
Name of the screen or component being evaluated
evaluate_accessibilityEvaluates UI elements for accessibility issues that automated scanners miss. COST: $0.01 USDC via x402 on Base-compatible EVM network per call. Checks beyond what axe/Lighthouse/WAVE catch at the design stage: - Touch targets below 24×24px (WCAG 2.5.8 AA hard fail) - Touch tar...2 params

Evaluates UI elements for accessibility issues that automated scanners miss. COST: $0.01 USDC via x402 on Base-compatible EVM network per call. Checks beyond what axe/Lighthouse/WAVE catch at the design stage: - Touch targets below 24×24px (WCAG 2.5.8 AA hard fail) - Touch tar...

Parameters* required
elements*array
Array of UI elements to evaluate
screen_namestring
Name of the screen or component being evaluated

Sponsors

Details

Transport
HTTP
Registry
MCP registry, active
Tools verified
Nov 6, 2026