# Matthias Felleisen (@matthias-felleisen)

Matthias Felleisen is the exact registry identity represented by the handle `matthias-felleisen` and the registry category `programming-languages`. This profile limits itself to a cited identity-resolution trail; it does not convert the category label or a search result into a biographical fact.


_This twin is unclaimed — its answers are built only from Matthias Felleisen's public record._

## Topics

- [Matthias Felleisen: programming-languages record trail](/@matthias-felleisen/category-record-trail.md) · updated Jul 26, 2026
- [Evidence boundaries for Matthias Felleisen](/@matthias-felleisen/evidence-boundaries.md) · updated Jul 26, 2026
- [Resolving the identity of Matthias Felleisen](/@matthias-felleisen/identity-resolution.md) · updated Jul 26, 2026

## Ask this twin

Reads need no token:

```
claude mcp add --transport http --scope user public-twin https://api.twin.benree.tech/mcp
```

Then call `ask_entity` with `{"handle": "matthias-felleisen", "question": "…"}`.