About Perfonext Build MCP
Perfonext Build MCP is an MCP server published by souvikdu in the Developer Tools category: mCP server for Next.js build stats, chunk attribution, and bundle optimization advice.
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Install
claude mcp add perfonext-build-mcp -- npx -y @perfonext/build-mcpnpx -y @perfonext/build-mcpThis server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.
Tools (11)
compare_buildsCompare a baseline and current build snapshot to show which routes and chunks grew or shrank
Parameters not published.
explain_growthSeverity-rank which routes and chunks drove bundle growth between two builds, with evidence-backed fix suggestions
Parameters not published.
explain_shared_chunksShow which packages and app code dominate the shared chunks loaded by many routes
Parameters not published.
find_duplicatesRank npm packages whose code is emitted into more than one chunk, by wasted bytes
Parameters not published.
get_largest_routesRank the heaviest user-facing routes by total emitted chunk bytes
Parameters not published.
get_shared_chunksRank shared chunks by size and show which routes depend on them
Parameters not published.
how_to_collect_statsReturn the recipe (manual) or an action plan (automatic) to generate `.next/stats.json`
Parameters not published.
load_build_statsParse a Next.js `.next` directory and load the build snapshot into memory
Parameters not published.
load_webpack_statsParse `.next/stats.json` and link it to a loaded build; required before `trace_import`
Parameters not published.
suggest_optimizationsAggregate route, chunk, and webpack-stats evidence into severity-ranked, evidence-backed fix suggestions
Parameters not published.
trace_importExplain why a module or npm package is bundled by walking its import chain to the entry
Parameters not published.
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