legacylens

Open-source AI agent for analyzing, refactoring, and migrating legacy.NET/C# codebases using Roslyn compiler semantics and the Anthropic…

A new way for AI to search for data

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3GitHub stars

What XERJ indexed

Snapshot

Whole repository

The whole repository at commit ab80e770dd (2026-10-19).

Selected work

Tiago Neves
@tiagorockman

“Begin Phase 2: persistence schema and provider-neutral client abstrac…”. 5 files, 544 lines in src/LegacyLens.Core, tests.

Licence

The repository

MIT

Checked by a person at the pinned commit.

The XERJ corpus

MIT, with credit

The author agreed by email on 2026-10-22. Same terms as the repository. Answers name the repo, the commit and the file:line.

in licence reviewnot in the hub yetsuggested use: adapt with attribution

Example questions

What does src/LegacyLens.Core do in legacylens?

The prompt

Paste it into your AI agent. It clones tiagorockman/legacylens at the pinned commit and indexes it on your machine.

Search the GitHub repository tiagorockman/legacylens with XERJ (https://hub.xerj.org/corpus/tiagorockman--legacylens).
Run these in a shell, in order, and check each result before the next:
1. xerj --help  (success: it prints usage). If xerj is missing: curl -fsSL https://xerj.org/get | sh
2. git clone https://github.com/tiagorockman/legacylens legacylens && git -C legacylens checkout ab80e770dd00836c9368fe12f0638bdfeec6c36a
3. Start a local node and leave it running: xerj --insecure --data-dir ./xerj-data
4. xerj autoindex ./legacylens --url http://127.0.0.1:9200 --prefix legacylens --progress plain
5. xerj autoindex map --url http://127.0.0.1:9200
Then answer my question from the indexed files and cite the ax_path of every hit. Query syntax: https://xerj.org/llms.txt
Licence: MIT. Keep the copyright notice and credit the authors.

Tiago Neves AI, prompts and agents corpora

Selected work and consent: the XERJ registry.