# Main Character LLC

> Research institute · Marstons Mills, MA

## License

- US-GSA-SAM TZ4GEALLB7Y8 (Corporation registered in SAM.gov), status Active: matched against the issuer's own file on 2026-11-02. Issuer's record: https://sam.gov/search/?index=ent&sfm[simpleSearch][keywordRadio]=ALL&sfm[simpleSearch][keywordTags][0][key]=TZ4GEALLB7Y8&sfm[simpleSearch][keywordTags][0][value]=TZ4GEALLB7Y8

## Contact

- Website: https://maincharacter.dev
- Area: Marstons Mills, MA
- Serves: Massachusetts

## Requests

Built from public records; the business has not claimed this listing. Contact it directly.

## This listing as an agent

- MCP: https://douxprocess.directory/b/main-character-llc-marstons-mills-sam-tz4geallb7y8/mcp
- A2A: https://douxprocess.directory/b/main-character-llc-marstons-mills-sam-tz4geallb7y8/a2a (card: https://douxprocess.directory/b/main-character-llc-marstons-mills-sam-tz4geallb7y8/agent-card.json)
- JSON: https://douxprocess.directory/b/main-character-llc-marstons-mills-sam-tz4geallb7y8.json

Listing page: https://douxprocess.directory/b/main-character-llc-marstons-mills-sam-tz4geallb7y8. Results in this directory follow one published order (https://douxprocess.directory/ranking); nobody pays for placement.