Source: https://seerepo.com/r/CodebuffAI/freebuff/built Markdown source: https://seerepo.com/r/CodebuffAI/freebuff/built.md Description: freebuff is a TypeScript repo built with React. It uses AI through ai, ai-sdk, and @ai-sdk/provider and measures its use with PostHog. # What is freebuff built with? freebuff is a TypeScript repo built with React. It uses AI through ai, ai-sdk, and @ai-sdk/provider, measures its use with PostHog, makes its content with jimp, remark-breaks, remark-gfm, remark-parse, unified, and 2 more, validates its data with Zod and zod-from-json-schema, deploys with pino, and uses MCP. It has 462,259 written lines, with 869 test files. Read on November 9, 2026, at commit 0ef41e8. Repository: https://github.com/CodebuffAI/freebuff ## Frontend (cli) ### The base - **[React](https://seerepo.com/uses/react)**: 155 files ### Interface - **OpenTUI**: 80 files ## Backend (cli) ### AI - **[ai](https://seerepo.com/uses/ai)**: 1 file ## Support (cli) ### Content - **[jimp](https://seerepo.com/uses/jimp)**: 2 files - **[remark-breaks](https://seerepo.com/uses/remark-breaks)**: 1 file - **[remark-gfm](https://seerepo.com/uses/remark-gfm)**: 1 file - **[remark-parse](https://seerepo.com/uses/remark-parse)**: 1 file - **[unified](https://seerepo.com/uses/unified)**: 1 file ### Validation - **[Zod](https://seerepo.com/uses/zod)**: 3 files ### Deploy - **[pino](https://seerepo.com/uses/pino)**: 1 file ### Tools - **commander**: 1 file ### Other - **zustand**: 25 files - **[TanStack](https://seerepo.com/uses/tanstack)**: 8 files - **string-width**: 6 files - **Immer**: 4 files - **strip-ansi**: 4 files - **picocolors**: 3 files - **tar**: 3 files - **Lodash**: 2 files - **node-machine-id**: 1 file - **open**: 1 file - **systeminformation**: 1 file - **ts-pattern**: 1 file - **web-tree-sitter**: 1 file - **wsl-utils**: 1 file ## Support (cli/release-core) ### Other - **tar**: 1 file ## Frontend (common) ### Interface - **@xterm/headless**: 1 file ## Backend (common) ### AI - **[ai](https://seerepo.com/uses/ai)**: 3 files ### Services - **[MCP](https://seerepo.com/uses/mcp)**: 1 file · [common/src/mcp/client.ts, line 1](https://github.com/CodebuffAI/freebuff/blob/0ef41e812eff0f5630510070e5812658c0be9fbc/common/src/mcp/client.ts#L1) - **[PostHog](https://seerepo.com/uses/posthog)**: 1 file · [common/src/analytics-core.ts, line 1](https://github.com/CodebuffAI/freebuff/blob/0ef41e812eff0f5630510070e5812658c0be9fbc/common/src/analytics-core.ts#L1) ## Support (common) ### Content - **[gray-matter](https://seerepo.com/uses/gray-matter)**: 1 file - **[yaml](https://seerepo.com/uses/yaml)**: 1 file ### Validation - **[Zod](https://seerepo.com/uses/zod)**: 118 files - **zod-from-json-schema**: 1 file ### Tools - **ignore**: 2 files - **Bun**: 1 file ### Other - **Lodash**: 4 files - **seedrandom**: 1 file ## Support (freebuff) ### Validation - **[Zod](https://seerepo.com/uses/zod)**: 1 file ## Backend (packages/agent-runtime) ### AI - **[ai](https://seerepo.com/uses/ai)**: 10 files ## Support (packages/agent-runtime) ### Validation - **[Zod](https://seerepo.com/uses/zod)**: 9 files - **zod-from-json-schema**: 2 files ### Other - **Lodash**: 9 files - **diff**: 3 files ## Support (packages/code-map) ### Other - **web-tree-sitter**: 3 files ## Backend (packages/llm-providers) ### AI - **[ai-sdk](https://seerepo.com/uses/ai-sdk)**: 13 files - **[ai](https://seerepo.com/uses/ai)**: 1 file ## Support (packages/llm-providers) ### Validation - **[Zod](https://seerepo.com/uses/zod)**: 8 files ## Backend (sdk) ### AI - **[@ai-sdk/provider](https://seerepo.com/uses/ai-sdk-provider)**: 3 files - **[ai](https://seerepo.com/uses/ai)**: 3 files ## Support (sdk) ### Validation - **[Zod](https://seerepo.com/uses/zod)**: 9 files ### Other - **Lodash**: 2 files - **diff**: 1 file - **ipaddr.js**: 1 file - **micromatch**: 1 file ## Other repos with a similar stack - [cline/cline](https://seerepo.com/r/cline/cline/built): React, MCP, PostHog, OpenTUI, ai, remark-gfm, unified, Zod, pino, yaml, ai-sdk · [Compare](https://seerepo.com/compare/cline/cline/vs/CodebuffAI/freebuff) - [CherryHQ/cherry-studio](https://seerepo.com/r/CherryHQ/cherry-studio/built): React, MCP, PostHog, ai, remark-gfm, remark-parse, unified, Zod, gray-matter, yaml, ai-sdk · [Compare](https://seerepo.com/compare/CherryHQ/cherry-studio/vs/CodebuffAI/freebuff) - [supabase/supabase](https://seerepo.com/r/supabase/supabase/built): React, MCP, PostHog, ai, remark-gfm, remark-parse, unified, Zod, gray-matter, ai-sdk · [Compare](https://seerepo.com/compare/CodebuffAI/freebuff/vs/supabase/supabase) - [chatboxai/chatbox](https://seerepo.com/r/chatboxai/chatbox/built): React, MCP, ai, remark-breaks, remark-gfm, remark-parse, unified, Zod, gray-matter, ai-sdk · [Compare](https://seerepo.com/compare/chatboxai/chatbox/vs/CodebuffAI/freebuff) - [anomalyco/opencode](https://seerepo.com/r/anomalyco/opencode/built): React, MCP, OpenTUI, remark-gfm, Zod, gray-matter, yaml, ai-sdk, @ai-sdk/provider · [Compare](https://seerepo.com/compare/anomalyco/opencode/vs/CodebuffAI/freebuff) - [paperclipai/paperclip](https://seerepo.com/r/paperclipai/paperclip/built): React, MCP, ai, remark-gfm, Zod, pino, yaml, ai-sdk · [Compare](https://seerepo.com/compare/CodebuffAI/freebuff/vs/paperclipai/paperclip) ## Frequently asked questions ### What language is freebuff written in? freebuff is written in TypeScript, with 462,259 written lines. ### What framework does freebuff use? freebuff is built with React. ### Does freebuff use AI? Yes. freebuff uses AI through ai, ai-sdk, and @ai-sdk/provider. ### What services does freebuff use? freebuff measures its use with PostHog and uses MCP. The proof: [common/src/analytics-core.ts, line 1](https://github.com/CodebuffAI/freebuff/blob/0ef41e812eff0f5630510070e5812658c0be9fbc/common/src/analytics-core.ts#L1) ### Does freebuff have tests? Yes. freebuff has 869 test files. ### Which repos have a stack like freebuff's? The ones that share most of its stack: cline/cline, CherryHQ/cherry-studio, and supabase/supabase. ## What is your repo built with? Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.