head to head · open source
codebase-memory-mcp vs openidea
codebase-memory-mcp has 48,002 GitHub stars, 3,951 forks, 562 open issues and last shipped yesterday. openidea has 4,836 stars, 389 forks, 87 open issues and last shipped yesterday. codebase-memory-mcp leads on adoption by 893% (48,002 vs 4,836 stars). codebase-memory-mcp is written in C under MIT; openidea is written in TypeScript under Apache-2.0. codebase-memory-mcp has attracted 8% as many forks as stars, openidea 8%. openidea was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (developer-tools), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| codebase-memory-mcp | openidea | |
|---|---|---|
| GitHub stars | ★ 48K | ★ 4.8K |
| License | MIT | Apache-2.0 |
| Written in | C | TypeScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 4.0K | ⑂ 389 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick codebase-memory-mcp if
- You weight community size — 48K stars and counting
- You want the MIT license terms
- Your stack matches C
- You value the larger contributor base for long-term maintenance
pick openidea if
- You want the openidea feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and openidea fits your workflow better
About codebase-memory-mcp
codebase memory mcp: local code intelligence for AI agents via MCP Understand your repository, from source code to the systems around it. codebase memory mcp is an MCP server that connects code, documentation, configuration, and infrastructure in a persistent local knowledge graph. Use it to find an unfamiliar feature, follow a call across services, trace a deployment back to its source, or assess which parts of a project a change could affect. Give your coding agent structural context through Model Context Protocol (MCP), or query the graph directly from the CLI. The MCP server is the core of the project. Its…
read the full codebase-memory-mcp overview →
About openidea
The IDE you know, rebuilt in Rust. Download · Benchmark · Build · Discord OpenIDEA brings the IntelliJ IDEA way of working — its keymap, its tool windows, its search everything habits — to a native app with a Rust core. Editor, code insight, debugger, Git, terminal, database and HTTP clients, for 60+ languages. Builds for macOS, Windows and Linux. Benchmark Opening freqtrade (Python, 770 files) with warm caches, median of 5 runs: A release build of OpenIDEA from main and IDEA with default settings and plugins, on Windows 11, 32 core AMD, 62 GB RAM. IDEA analyses Python more deeply, so "ready" doesn't mean the…
read the full openidea overview →
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Frequently asked questions
Is codebase-memory-mcp or openidea more popular?
codebase-memory-mcp has 48,002 GitHub stars and openidea has 4,836. codebase-memory-mcp has the larger community by that measure.
Are codebase-memory-mcp and openidea free?
Both are open source. codebase-memory-mcp is licensed under MIT and openidea under Apache-2.0. Neither carries a licence fee.
What is the difference between codebase-memory-mcp and openidea?
codebase-memory-mcp is written in C and openidea in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, codebase-memory-mcp or openidea?
Choose codebase-memory-mcp if you want the larger community (48,002 stars) or its MIT licence terms. Choose openidea if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.