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hello-agents vs mermaid

hello-agents and mermaid share 4 technologies: D3, katex, dompurify, and marked. hello-agents is written in Python and mermaid in TypeScript.

Read it as markdown

What they share and what sets them apart

datawhalechina

hello-agents

📚 《从零开始构建智能体》——从零开始的智能体原理与实践教程

Python86kRead on November 4, 2026, at commit 36f583cWhat is hello-agents built with?
mermaid-js

mermaid

Generation of diagrams like flowcharts or sequence diagrams from text in a similar manner as markdown

TypeScript91kRead on November 4, 2026, at commit 63333fdWhat is mermaid built with?

In common

Only in hello-agents

Only in mermaid

  • js-yaml
  • markdown-table
  • sharp
  • stylis
  • roughjs
  • dagre-d3-es
  • cytoscape
  • cytoscape-cose-bilkent
  • cytoscape-fcose
  • elkjs
  • @braintree/sanitize-url
  • Ajv

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
hello-agents226,661 lines written1,212 code files
mermaid232,641 lines written670 code files
Who writes itA commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
hello-agents2.4% of its commits signed by AIWith Codex, Cursor, and Claude Code
mermaid5.1% of its commits signed by AIWith Claude Code, Codex, Cursor, GitHub Copilot, and CodeRabbit
ActivityFrom GitHub and its history, on the day SeeRepo read it.
hello-agentsLast push October 13, 2026660 commits86,039 stars
mermaidLast push November 4, 202611,988 commits91,011 stars
TestsThe files that test the code, and the share of code files a test imports.
hello-agents97 test files6.9% of its code files have a test that imports them
mermaid505 test files40.1% of its code files have a test that imports them

Frequently asked questions

Which is bigger, hello-agents or mermaid?
mermaid, with 232,641 lines written; hello-agents has 226,661.

The proof: mermaid-js/mermaid's code at commit 63333fd

Which has more GitHub stars, hello-agents or mermaid?
mermaid, with 91,011 stars; hello-agents has 86,039.

The proof: mermaid-js/mermaid on GitHub

Which has more tests, hello-agents or mermaid?
mermaid, with 505 test files; hello-agents has 97.

The proof: mermaid-js/mermaid's code at commit 63333fd

Which was updated more recently, hello-agents or mermaid?
mermaid: its last push was on November 4, 2026, and hello-agents's on October 13, 2026.

The proof: mermaid-js/mermaid's commits on GitHub

Which has more commits signed by AI, hello-agents or mermaid?
mermaid: an AI signed 5.1% of its commits, with Claude Code, Codex, Cursor, GitHub Copilot, and CodeRabbit; in hello-agents, 2.4%.

The proof: the commits each tool signed in mermaid-js/mermaid

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