Rogerio Chaves (@_rchaves_) — AI tools / agents on X (Twitter)
Rogerio Chaves is an AI tools / agents creator on X (Twitter) in the 2K–3K follower range, publishing for AI agent builders and developers focused on monitoring token usage and controlling costs in agent workflows, based in Netherlands. Profile last checked 2026-06-25.
| Field | Value |
| --- | --- |
| Platform | X (Twitter) |
| Handle | @_rchaves_ |
| Followers | 2K–3K |
| Category | Software · AI tools / agents |
| Market | Netherlands |
| Audience function | automation and agents |
Profile bio
Building LangWatch: https://t.co/ez7kW1C6z9 create-agent-app: https://t.co/UZVdkdZDpz
What this creator posts about, and who reads it
Recurring topics: token cost optimization for agents, context window traps, agent observability and monitoring, LangWatch product promotion
Audience: AI agent builders and developers focused on monitoring token usage and controlling costs in agent workflows
Audience read from this creator’s own recent posts, not from platform-declared categories. It is our reading, and it can be wrong.
Recent content samples
1M CONTEXT WINDOW IS A TRAP BY BIG AI TO MAKE YOU SPEND MORE ON TOKENS tl;dr: we did an analysis with 2,451 agent sessions, each 2x context size added costs 6x the tokens, even cached, with no evidence that earlier…
If you want to stop BigAI from sneakily increasing token cost, support us on product hunt
Claude Code very smart. Claude Code make code. Claude Code also make bill. Big bill. -But where token go? -Did cache work? -What tool agent use? -Why agent spend 20 minutes fighting one login command? -Why agent call…
See the original post on X (Twitter)
Where this creator sits in the wider pool
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