mcp-server-chart
[ tools: 27 ][ checks: 11 ][ latency: 8ms ]
91/100(B)
npx -y @antv/mcp-server-chart
check breakdown
✓Tools exposed — Server exposed 27 tools.
• generate_area_chart
• generate_bar_chart
• generate_boxplot_chart
• generate_column_chart
• generate_district_map
• generate_dual_axes_chart
• generate_fishbone_diagram
• generate_flow_diagram
• generate_funnel_chart
• generate_histogram_chart
• generate_line_chart
• generate_liquid_chart
• generate_mind_map
• generate_network_graph
• generate_organization_chart
• generate_path_map
• generate_pie_chart
• generate_pin_map
• generate_radar_chart
• generate_sankey_chart
• generate_scatter_chart
• generate_treemap_chart
• generate_venn_chart
• generate_violin_chart
• generate_waterfall_chart
• generate_word_cloud_chart
• generate_spreadsheet
✓Input schemas valid — All tools have a valid JSON-Schema input definition.
!Input schema quality — 27 schema-quality issue(s) across 27 tool(s).
generate_area_chart: inputSchema.additionalProperties is not set to false (extra args pass through silently)
generate_bar_chart: inputSchema.additionalProperties is not set to false (extra args pass through silently)
generate_boxplot_chart: inputSchema.additionalProperties is not set to false (extra args pass through silently)
generate_column_chart: inputSchema.additionalProperties is not set to false (extra args pass through silently)
generate_district_map: inputSchema.additionalProperties is not set to false (extra args pass through silently)
generate_dual_axes_chart: inputSchema.additionalProperties is not set to false (extra args pass through silently)
generate_fishbone_diagram: inputSchema.additionalProperties is not set to false (extra args pass through silently)
generate_flow_diagram: inputSchema.additionalProperties is not set to false (extra args pass through silently)
generate_funnel_chart: inputSchema.additionalProperties is not set to false (extra args pass through silently)
generate_histogram_chart: inputSchema.additionalProperties is not set to false (extra args pass through silently)
generate_line_chart: inputSchema.additionalProperties is not set to false (extra args pass through silently)
generate_liquid_chart: inputSchema.additionalProperties is not set to false (extra args pass through silently)
generate_mind_map: inputSchema.additionalProperties is not set to false (extra args pass through silently)
generate_network_graph: inputSchema.additionalProperties is not set to false (extra args pass through silently)
generate_organization_chart: inputSchema.additionalProperties is not set to false (extra args pass through silently)
generate_path_map: inputSchema.additionalProperties is not set to false (extra args pass through silently)
generate_pie_chart: inputSchema.additionalProperties is not set to false (extra args pass through silently)
generate_pin_map: inputSchema.additionalProperties is not set to false (extra args pass through silently)
generate_radar_chart: inputSchema.additionalProperties is not set to false (extra args pass through silently)
generate_sankey_chart: inputSchema.additionalProperties is not set to false (extra args pass through silently)
generate_scatter_chart: inputSchema.additionalProperties is not set to false (extra args pass through silently)
generate_treemap_chart: inputSchema.additionalProperties is not set to false (extra args pass through silently)
generate_venn_chart: inputSchema.additionalProperties is not set to false (extra args pass through silently)
generate_violin_chart: inputSchema.additionalProperties is not set to false (extra args pass through silently)
generate_waterfall_chart: inputSchema.additionalProperties is not set to false (extra args pass through silently)
generate_word_cloud_chart: inputSchema.additionalProperties is not set to false (extra args pass through silently)
generate_spreadsheet: inputSchema.additionalProperties is not set to false (extra args pass through silently)
→ Declare `required` for every schema that has properties, so agents know which params are mandatory.
→ Give every property a `description` and a concrete `type` (avoid bare `{}` placeholders).
→ Set `additionalProperties: false` on the top-level inputSchema so models can't silently pass extra, unvalidated arguments.
!Output schemas — No tools declare an outputSchema.
→ Optional: declare outputSchema for tools with structured results so agents can validate/parse output reliably.
✓Duplicate tool names — All tool names are unique.
✓Tool naming — All tool names use spec-legal characters.
✓Descriptions — Every tool and parameter is clearly described.
!Tool annotations — Annotation coverage 40% (54/135 hint fields set).
Some tools set a few hints but not all of title/readOnlyHint/destructiveHint/idempotentHint/openWorldHint.
→ Add annotations: title, readOnlyHint, destructiveHint, idempotentHint, openWorldHint.
→ These let clients gate risky calls and give agents/users a friendly display name — optional but valuable.
✓Tool titles — All tools declare a human-readable title.
!Server instructions — No top-level instructions declared.
→ Declare instructions to guide agents on when/how to use this server.
→ Return a non-empty `instructions` string in your InitializeResult — most SDKs let you set this alongside serverInfo.
✓Handshake + list latency — tools/list responded in 8ms.
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