# Pebbler MCP — screenshots

- [Case study](https://tesselpunt.com/projects/pebbler-mcp)

### An agent-created comparison in Pebbler

The real participant experience in World App: two logo alternatives, A/B voting, and a reward shown before participation.

Image description: Pebbler A vs B asking Which logo do you prefer, with a blue circle and an orange diamond, A and B voting buttons, a 0.01 USDC reward and 91 total votes

Participant screenshot supplied on October 6, 2026. The vote count and reward shown are a snapshot of this test.

- [Image](https://tesselpunt.com/media/pebbler-mcp-participant-large.webp)

- [Screenshot page](https://tesselpunt.com/projects/pebbler-mcp/gallery/pebbler-mcp-participant)

### How the connector talks to Pebbler

The seven MCP tools and their request/response flow, from a live quote and x402 payment to votes from Pebbler users in World App and results returned to the agent. Open the diagram to view it at full size.

Image description: Sequence diagram between an AI agent, the local Pebbler MCP connector, Pebbler backend, x402 facilitator and Pebbler users in World App, showing all seven tools, local credentials, payment authorisation, settlement, voting and results

Exported from the Pebbler MCP FigJam diagram. Agent payments settle on Base; participant rewards are claimed on World Chain.

- [Image](https://tesselpunt.com/media/pebbler-mcp-sequence-large.webp)

- [Screenshot page](https://tesselpunt.com/projects/pebbler-mcp/gallery/pebbler-mcp-sequence)

### Real feedback returned through MCP

The production get_study_results response is presented for readability; collection was still in progress.

Image description: Real get_study_results response: still collecting with 91 responses out of 100 slots, A has 59 votes (64.8%) and B has 32 votes (35.2%)

Captured through the MCP connector on October 6, 2026. Production vote timestamps verify 1 hour, 25 minutes and 48 seconds between the first and 91st completed vote. Study credentials and private identifiers are omitted.

- [Image](https://tesselpunt.com/media/pebbler-mcp-results-large.webp)

- [Screenshot page](https://tesselpunt.com/projects/pebbler-mcp/gallery/pebbler-mcp-results)