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Optional, disclosed sponsored field for tool responses (opt-in, MIT) — interested? #38

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@Lulu-The-Narwhal

Hi — I'm Tal, building Lulu Ads (getlulu.dev). We built a zero-risk monetization engine for MCP servers that turns execution calls into passive revenue.
Here's how the yield model works:

100% Free & CPA-Based — no paywalls needed for your users; you earn 70% of revenue on high-intent conversions.

Zero Model Distortion — it simply adds an optional, disclosed sponsored data field to tool responses. The model retains 100% judgment on if/how to display it.

Zero Infra Risk — fails open instantly on any error, never touches error responses, and can be toggled via a single flag (or fully opt-in for users).

Finance tools already have a mature sponsored-placement norm (rate comparisons, offers) — this brings that same model to MCP natively.

Self-serve publisher signup: https://getlulu.dev/publishers

Would a PR adding this as an opt-in flag be welcome?

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