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docs(mcp-analytics): say the wizard supports Go, Ruby, and Rust servers - #21881

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@lucasheriques lucasheriques commented Nov 3, 2026 •

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Important

Depends on PostHog/context-mill#419. Merge this only after that PR lands. Until then npx @posthog/wizard mcp-analytics aborts on Go, Ruby, and Rust servers with "unsupported language". PostHog/wizard#1519 adds the Rust error messages to the CLI, but Rust works without it once #419 lands.

Changes

MCP Analytics goes GA on 2026-11-10, and the wizard should cover every server SDK by then. PostHog/context-mill#419 teaches the wizard's mcp-analytics skill to instrument Go (posthogmcpsdk), Ruby (PostHog::MCP), and Rust (posthog_rs::mcp) servers. These docs still say the wizard only supports TypeScript and Python.

  • installation/index.mdx: the wizard sentence and the SDK table list Go, Ruby, and Rust.
  • start-here.mdx: same sentence change.
  • installation/go.mdx, ruby.mdx, and rust.mdx: add the wizard command block, matching the TypeScript and Python pages. Remove "Wizard support" from the Go and Rust limits.

The Ruby and Rust pages keep their experimental callouts above the wizard block.

Checklist

  • I've read the docs and/or content style guides.
  • Words are spelled using American English
  • Use relative URLs for internal links
  • I've checked the pages added or changed in the Vercel preview build
  • If I moved a page, I added a redirect in vercel.json (no pages moved)

PostHog/context-mill#419 teaches the mcp-analytics wizard skill to
instrument Go (posthogmcpsdk) and Ruby (PostHog::MCP) servers. Update the
install index, start-here, and the Go and Ruby pages to match: list Go and
Ruby in the wizard support sentence and table, add the wizard command to
both pages, and drop "Wizard support" from the Go limits.

Merge only after context-mill#419 lands; until then the wizard aborts on
Go and Ruby servers.
@github-actions github-actions Bot added docs Improvements or additions to product documentation, "Docs" content PR only touches files under contents/ labels Nov 3, 2026
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Deploy preview

Status Details Updated (UTC)
🟢 Ready View preview Nov 03, 2026 02:03AM

Changed pages

Page Source
Install MCP Analytics contents/docs/mcp-analytics/installation/index.mdx
Go MCP Analytics installation contents/docs/mcp-analytics/installation/go.mdx
Ruby MCP Analytics installation contents/docs/mcp-analytics/installation/ruby.mdx
Rust MCP Analytics installation contents/docs/mcp-analytics/installation/rust.mdx
Getting started with MCP Analytics contents/docs/mcp-analytics/start-here.mdx

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Vale prose linter → found 0 errors, 32 warnings, 4 suggestions in your markdown

Full report → Copy the linter results into an LLM to batch-fix issues.

Linter being weird? Update the rules!

contents/docs/mcp-analytics/installation/go.mdx — 0 errors, 10 warnings, 0 suggestions
Line Severity Message Rule
15:115 warning Use 'SDK' instead of 'sdk'. Vale.Terms
17:192 warning Use 'SDK' instead of 'sdk'. Vale.Terms
90:67 warning Use 'SDK' instead of 'sdk'. Vale.Terms
117:5 warning 'Streamable' is a possible misspelling. PostHogBase.Spelling
118:88 warning Use 'SDK' instead of 'sdk'. Vale.Terms
130:179 warning Use 'SDK' instead of 'sdk'. Vale.Terms
143:82 warning Capitalize 'Logs' for PostHog's product. Use 'logs' for the general industry concept. PostHogBase.ProductNames
143:90 warning 'stderr' is a possible misspelling. PostHogBase.Spelling
195:37 warning Use 'SDK' instead of 'sdk'. Vale.Terms
257:54 warning Use 'SDK' instead of 'sdk'. Vale.Terms
contents/docs/mcp-analytics/installation/ruby.mdx — 0 errors, 8 warnings, 1 suggestions
Line Severity Message Rule
11:226 warning Capitalize 'Logs' for PostHog's product. Use 'logs' for the general industry concept. PostHogBase.ProductNames
13:45 warning Use 'PostHog' instead of 'posthog'. Vale.Terms
17:311 warning 'Streamable' is a possible misspelling. PostHogBase.Spelling
81:11 warning 'stderr' is a possible misspelling. PostHogBase.Spelling
83:27 warning 'stdout' is a possible misspelling. PostHogBase.Spelling
83:168 warning 'stderr' is a possible misspelling. PostHogBase.Spelling
83:214 warning 'stdout' is a possible misspelling. PostHogBase.Spelling
129:80 warning 'stdout' is a possible misspelling. PostHogBase.Spelling
131:269 suggestion Address the reader directly. Use 'you' instead of 'the user'. PostHogDocs.DirectAddress
contents/docs/mcp-analytics/installation/rust.mdx — 0 errors, 14 warnings, 1 suggestions
Line Severity Message Rule
13:45 warning Use 'PostHog' instead of 'posthog'. Vale.Terms
17:240 warning 'Streamable' is a possible misspelling. PostHogBase.Spelling
61:117 warning 'impl' is a possible misspelling. PostHogBase.Spelling
63:5 warning 'Streamable' is a possible misspelling. PostHogBase.Spelling
150:9 warning Capitalize 'Logs' for PostHog's product. Use 'logs' for the general industry concept. PostHogBase.ProductNames
150:82 warning 'stdout' is a possible misspelling. PostHogBase.Spelling
150:144 warning 'stderr' is a possible misspelling. PostHogBase.Spelling
150:160 warning 'stdout' is a possible misspelling. PostHogBase.Spelling
154:183 suggestion Address the reader directly. Use 'you' instead of 'the user'. PostHogDocs.DirectAddress
186:5 warning 'Streamable' is a possible misspelling. PostHogBase.Spelling
265:97 warning 'params' is a possible misspelling. PostHogBase.Spelling
274:79 warning 'stdout' is a possible misspelling. PostHogBase.Spelling
274:120 warning Capitalize 'Logs' for PostHog's product. Use 'logs' for the general industry concept. PostHogBase.ProductNames
274:158 warning 'stderr' is a possible misspelling. PostHogBase.Spelling
277:85 warning 'Streamable' is a possible misspelling. PostHogBase.Spelling
contents/docs/mcp-analytics/start-here.mdx — 0 errors, 0 warnings, 2 suggestions
Line Severity Message Rule
272:15 suggestion Address the reader directly. Use 'you' instead of 'the user'. PostHogDocs.DirectAddress
327:152 suggestion Address the reader directly. Use 'you' instead of 'the user'. PostHogDocs.DirectAddress

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Bundle report

Total JS (gzip)

10.38 MiB (+0.2 KiB / +0.0%)

Eager graph (modules shipped in each entrypoint's initial chunks)

Entrypoint Eager size Budget Modules
✅ app 20.90 MiB (+3.0 KiB / +0.0%) report-only 2119
Largest modules in the app closure
Module Size
./src/data/mcp-tools.json 1472.7 KiB
css ./node_modules/.pnpm/css-loader@5.2.7_webpack@5.101.3/node_modules/css-loader/dist/cjs.js??ruleSet[1].rules[8].oneOf[1].use[1]!./node_modules/.pnpm/postcss-loader@4.3.0_postcss@8.5.6_webpack@5.101.3/node_modules/postcss-loader/dist/cjs.js??ruleSet[1].rules[8].oneOf[1].use[2]!./src/styles/global.css 839.4 KiB
./src/components/Stickers/Stickers.tsx 696.4 KiB
./node_modules/.pnpm/@posthog+brand@0.13.0_react@18.3.1/node_modules/@posthog/brand/dist/generated/hoggies/svg/x-ray.mjs 481.2 KiB
./node_modules/.pnpm/@posthog+brand@0.13.0_react@18.3.1/node_modules/@posthog/brand/dist/generated/hoggies/svg/trenchcoat.mjs 450.8 KiB
./node_modules/.pnpm/rehype-raw@7.0.0/node_modules/rehype-raw/lib/index.js + 29 modules 395.1 KiB
./node_modules/.pnpm/@posthog+brand@0.13.0_react@18.3.1/node_modules/@posthog/brand/dist/generated/hoggies/svg/im-the-driver.mjs 385.8 KiB
./src/hooks/useCustomers.tsx + 61 modules 381.8 KiB
./node_modules/.pnpm/@posthog+brand@0.13.0_react@18.3.1/node_modules/@posthog/brand/dist/generated/hoggies/svg/tourist.mjs 364.6 KiB
./node_modules/.pnpm/@posthog+icons@0.36.6_react-dom@18.3.1_react@18.3.1__react@18.3.1/node_modules/@posthog/icons/dist/posthog-icons.es.js 354.8 KiB
./node_modules/.pnpm/react-markdown@8.0.7_@types+react@16.14.66_react@18.3.1/node_modules/react-markdown/lib/react-markdown.js + 88 modules 351.4 KiB
./src/components/ProductComparisonTable/index.tsx + 130 modules 314.3 KiB
./node_modules/.pnpm/framer-motion@14.0.0_react-dom@18.3.1_react@18.3.1__react@18.3.1/node_modules/framer-motion/dist/es/render/components/motion/proxy.mjs + 126 modules 287.2 KiB
./node_modules/.pnpm/@posthog+brand@0.13.0_react@18.3.1/node_modules/@posthog/brand/dist/generated/hoggies/svg/doll-house.mjs 284.1 KiB
./node_modules/.pnpm/cloudinary-core@2.14.0_lodash@4.17.21/node_modules/cloudinary-core/cloudinary-core.js 281.9 KiB

Eager-graph budgets are report-only until a baseline is established. Sizes are gzip of public/**/*.js; eager size is webpack module source bytes for the modules actually shipped in the entrypoint's initial chunks (post-tree-shake).

context-mill#419 now also teaches the skill posthog_rs::mcp for rmcp servers. List Rust in the wizard sentence and table, add the wizard command to the Rust page, and drop "Wizard support" from its limits.
@lucasheriques lucasheriques changed the title docs(mcp-analytics): say the wizard supports Go and Ruby servers docs(mcp-analytics): say the wizard supports Go, Ruby, and Rust servers Nov 3, 2026

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