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conorbronsdon/op3-mcp (@conorbronsdon/op3-mcp)

conorbronsdon-op3-mcp · v0.2.0 · scanned

What changed in the harness

Selection accuracy 100%, destructive-action safety rate 100% (baseline only -- no rewrite pass applied).

Category breakdown

Where the score comes from.

Earned points across the four signals Gradable measures. Safety and Legibility are scored out of 30; Economics and Discoverability are scored out of 20.

01Safety

30.0 / 30

30.0 out of 30
02Legibility

28.5 / 30

28.5 out of 30
03Economics

19.8 / 20

19.8 out of 20
04Discoverability

12.8 / 20

12.8 out of 20

Highest-impact fix

Estimated gain +7 points

Make target tools discoverable on the first call

Clarify tool names, decision boundaries, and required argument schemas so an agent can choose and construct the target call without exploratory steps.

Description evidence

Defects and rewrites.

0 defects found across the exposed tool descriptions. Suggested rewrites make purpose, inputs, boundaries, and returns easier for an agent to understand.

Tool Defect types Suggested rewrite
No description defects were flagged in this assessment.

Selection evidence

Confusable tool pairs.

5 pairs where similar names or overlapping descriptions may send an agent toward the wrong tool.

Tool A Tool B Confidence Why they collide
op3_episode_downloads op3_downloads_timeseries high op3_downloads_timeseries explicitly advertises 'filter by episode', so a task like 'list download counts for each episode of my show' could wrongly pick the raw-record tool instead of op3_episode_downloads.
op3_get_show op3_show_downloads medium op3_get_show returns a stats page URL and optional episode list, so a task phrased as 'get my show's stats/download summary' could wrongly resolve to the show lookup instead of the download-summary tool.
op3_show_downloads op3_downloads_timeseries medium A task like 'get download history/numbers for my show over a date window' could map either to the weekly/monthly summary (op3_show_downloads) or to raw records (op3_downloads_timeseries); both cover recent/windowed downloads.
op3_show_downloads op3_episode_downloads medium Both return download counts for the same show, and vague requests like 'show me recent downloads for my podcast' don't signal whether the user wants the show-level weekly summary or per-episode counts.
op3_top_apps op3_top_countries medium Both return top-ranked lists with download counts and percent share, so a task such as 'what are the top downloaders/sources for my show' could be interpreted as apps or as countries.

Compare the field

One score is useful.
The evidence makes it actionable.

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