How Gazebo’s scores are calculated
The full audit trail, recomputed from the verdict data at build time through the same code that produced the leaderboard: verdict × quality × story weight per cell, cells sum to dimension scores, dimensions blend into the PA Score. Every number on the product page is reproducible from this page alone; for why the formula looks like this, see the methodology.
verdict factors: full ×1.0 · partial ×0.6 · disputed ×0.3 · none ×0.0 · n/a excluded from both sides · cell points = weight × quality × factor · cell max = weight × 10
PA Score21/100
Agent-ready 28.9 × 0.30 = 8.67
API quality 10.0 × 0.20 = 2.00
Openness 51.4 × 0.20 = 10.28
Built-in AI 0.0 × 0.15 = 0.00
Automation 0.0 × 0.15 = 0.00
(8.67 + 2.00 + 10.28 + 0.00 + 0.00) ÷ (0.30 + 0.20 + 0.20 + 0.15 + 0.15) = 20.95 ÷ 1.00 = 21.0
Scores are stored to 1 decimal; the product page’s pills round to whole numbers for display. Each dimension below shows the stories, verdicts, and cited evidence behind its number.
Agent-ready28.9/100×0.30 of the PA blend
Outside-in: can YOUR agent reach and drive this product — API, MCP, CLI, headless runs, agent docs.
Point an agent at llms.txt or agent-oriented docsweight 2
2 (weight) × 0 (quality) × 0.0 (none) = 0.0 of 20 max
- [probe] https://gazebosim.org/llms.txt“PROBE llms.txt: HTTP 404 at https://gazebosim.org/llms.txt”
- [probe] https://gazebosim.org/docs/latest/getstarted/.md“PROBE docs-md: HTTP 404 at https://gazebosim.org/docs/latest/getstarted/.md”
- [probe] https://gazebosim.org/openapi.json“PROBE openapi: all candidate paths 404 (https://gazebosim.org/openapi.json, https://gazebosim.org/swagger.json, https://gazebosim.org/api/openapi.json, https://gazebosim.org/.well-known/openapi.json)”
Run the product headlessly / in CI for automationweight 2
2 (weight) × 8 (quality) × 1.0 (full) = 16.0 of 20 max
- [claimed-docs] https://gazebosim.org/docs/latest/getstarted/“Gazebo Sim can also be run headless, i.e. without the GUI, by using the -s (server only) flag.”
- [claimed-docs] https://gazebosim.org/docs/latest/install_ubuntu/“the gz-sim10-server package provides a lightweight alternative. It installs only the Gazebo simulation server (gz-sim-server) without any GUI or Qt dependencies”
- [claimed-docs] https://gazebosim.org/docs/latest/install_ubuntu/“It installs only the Gazebo simulation server (`gz-sim-server`) without any GUI or Qt dependencies, resulting in a significantly smaller installation footprint.”
- [github] https://github.com/gazebosim/gz-sim“Command line tools: Extensive command line tools for increased simulation introspection and control.”
- [github] https://github.com/gazebosim/gz-sim“TCP/IP Transport: Run simulation on remote servers and interface to Gazebo Sim through socket-based message passing using Gazebo Transport.”
Plug MCP servers into this product so it can use their toolsweight 3
n/a — not applicable to this product: excluded from numerator and denominator
no evidence cited — the verdict rests on absence of evidence, re-checked on refresh
Connect an agent via an official MCP serverweight 3
3 (weight) × 0 (quality) × 0.0 (none) = 0.0 of 30 max
no evidence cited — the verdict rests on absence of evidence, re-checked on refresh
Use an official CLIweight 2
2 (weight) × 7 (quality) × 1.0 (full) = 14.0 of 20 max
- [claimed-docs] https://gazebosim.org/docs/latest/getstarted/“gz sim shapes.sdf”
- [claimed-docs] https://gazebosim.org/docs/latest/getstarted/“Gazebo Sim can also be run headless, i.e. without the GUI, by using the -s (server only) flag.”
- [claimed-docs] https://gazebosim.org/docs/latest/getstarted/“Gazebo Sim can also be run headless, i.e. without the GUI, by using the `-s` (server only) flag.”
- [claimed-docs] https://gazebosim.org/docs/latest/install_ubuntu/“the gz-sim10-server package provides a lightweight alternative. It installs only the Gazebo simulation server (gz-sim-server) without any GUI or Qt dependencies”
- [github] https://github.com/gazebosim/gz-sim“Command line tools: Extensive command line tools for increased simulation introspection and control.”
- [github] https://github.com/gazebosim/gz-sim“Extensive command line tools for increased simulation introspection and control.”
Drive the product through a documented public APIweight 3
3 (weight) × 5 (quality) × 0.6 (partial) = 9.0 of 30 max
- [claimed-docs] https://gazebosim.org/docs/latest/getstarted/“Gazebo Sim can also be run headless, i.e. without the GUI, by using the `-s` (server only) flag.”
- [github] https://github.com/gazebosim/gz-sim“TCP/IP Transport: Run simulation on remote servers and interface to Gazebo Sim through socket-based message passing using Gazebo Transport.”
- [github] https://github.com/gazebosim/gz-sim“Extensive command line tools for increased simulation introspection and control.”
- [claimed-docs] https://gazebosim.org/docs/latest/getstarted/“those who use individual Gazebo libraries (like `gz-math`, `sdformat`, or `gz-transport`) directly in their own C++ applications”
- [probe] https://gazebosim.org/llms.txt“PROBE llms.txt: HTTP 404 at https://gazebosim.org/llms.txt”
- [probe] https://gazebosim.org/openapi.json“PROBE openapi: all candidate paths 404 (https://gazebosim.org/openapi.json, https://gazebosim.org/swagger.json, https://gazebosim.org/api/openapi.json, https://gazebosim.org/.well-known/openapi.json)”
Issue scoped/least-privilege API credentials for an agentweight 2
n/a — not applicable to this product: excluded from numerator and denominator
no evidence cited — the verdict rests on absence of evidence, re-checked on refresh
Build against official SDKsweight 2
2 (weight) × 6 (quality) × 0.6 (partial) = 7.2 of 20 max
- [claimed-docs] https://gazebosim.org/docs/latest/getstarted/“Developers: For those who use individual Gazebo libraries (like gz-math, sdformat, or gz-transport) directly in their own C++ applications, or those who are developing custom plugins for the simulator (gz-sim) itself.”
- [claimed-docs] https://gazebosim.org/docs/latest/getstarted/“those who use individual Gazebo libraries (like `gz-math`, `sdformat`, or `gz-transport`) directly in their own C++ applications”
- [claimed-docs] https://gazebosim.org/docs/latest/getstarted/“For those who use individual Gazebo libraries (like gz-math, sdformat, or gz-transport) directly in their own C++ applications, or those who are developing custom plugins for the simulator”
- [github] https://github.com/gazebosim/gz-sim“Plugins: Develop custom plugins for robot, sensor, and environment control.”
- [claimed-docs] https://gazebosim.org/docs/latest/ros_installation/“If your package directly depends on a Gazebo library, instead of relying only on ros_gz, refer to this documentation to learn how to use the Gazebo vendor packages.”
- [probe] https://gazebosim.org/llms.txt“PROBE llms.txt: HTTP 404 at https://gazebosim.org/llms.txt”
- [probe] https://gazebosim.org/openapi.json“PROBE openapi: all candidate paths 404 (https://gazebosim.org/openapi.json, https://gazebosim.org/swagger.json, https://gazebosim.org/api/openapi.json, https://gazebosim.org/.well-known/openapi.json)”
Subscribe to events via webhooksweight 2
2 (weight) × 0 (quality) × 0.0 (none) = 0.0 of 20 max
no evidence cited — the verdict rests on absence of evidence, re-checked on refresh
Agent-ready = 46.2 ÷ 160 × 100 = 28.9
API quality10.0/100×0.20 of the PA blend
The programmable surface once an agent is there — machine-readable spec, interactive docs, sandbox, versioning discipline.
Explore an interactive API reference with runnable examplesweight 2
2 (weight) × 0 (quality) × 0.0 (none) = 0.0 of 20 max
- [probe] https://gazebosim.org/llms.txt“PROBE llms.txt: HTTP 404 at https://gazebosim.org/llms.txt”
- [probe] https://gazebosim.org/docs/latest/getstarted/.md“PROBE docs-md: HTTP 404 at https://gazebosim.org/docs/latest/getstarted/.md”
- [probe] https://gazebosim.org/openapi.json“PROBE openapi: all candidate paths 404 (https://gazebosim.org/openapi.json, https://gazebosim.org/swagger.json, https://gazebosim.org/api/openapi.json, https://gazebosim.org/.well-known/openapi.json)”
Download a machine-readable API spec (OpenAPI or equivalent)weight 2
2 (weight) × 0 (quality) × 0.0 (none) = 0.0 of 20 max
- [probe] https://gazebosim.org/openapi.json“PROBE openapi: all candidate paths 404 (https://gazebosim.org/openapi.json, https://gazebosim.org/swagger.json, https://gazebosim.org/api/openapi.json, https://gazebosim.org/.well-known/openapi.json)”
- [probe] https://gazebosim.org/llms.txt“PROBE llms.txt: HTTP 404 at https://gazebosim.org/llms.txt”
- [probe] https://gazebosim.org/docs/latest/getstarted/.md“PROBE docs-md: HTTP 404 at https://gazebosim.org/docs/latest/getstarted/.md”
Test against a sandbox environment without touching production dataweight 1
1 (weight) × 7 (quality) × 1.0 (full) = 7.0 of 10 max
- [claimed-docs] https://gazebosim.org/docs/latest/getstarted/“Gazebo Sim can also be run headless, i.e. without the GUI, by using the -s (server only) flag.”
- [claimed-docs] https://gazebosim.org/docs/latest/install_ubuntu/“the gz-sim10-server package provides a lightweight alternative. It installs only the Gazebo simulation server (gz-sim-server) without any GUI or Qt dependencies”
- [github] https://github.com/gazebosim/gz-sim“Simulation models: Access numerous robots including PR2, Pioneer2 DX, iRobot Create, and TurtleBot, and construct environments using other physically accurate models available through Gazebo Fuel.”
- [github] https://github.com/gazebosim/gz-sim“TCP/IP Transport: Run simulation on remote servers and interface to Gazebo Sim through socket-based message passing using Gazebo Transport.”
- [github] https://github.com/gazebosim/gz-sim“Dynamics simulation: Access multiple high-performance physics engines through Gazebo Physics.”
Rely on versioned APIs with a documented deprecation policyweight 2
2 (weight) × 0 (quality) × 0.0 (none) = 0.0 of 20 max
- [claimed-docs] https://gazebosim.org/docs/latest/ros_installation/“This document provides guidance on using different versions of ROS in combination with different versions of Gazebo.”
- [claimed-docs] https://gazebosim.org/docs/latest/ros_installation/“This document provides guidance on using different versions of ROS in combination with different versions of Gazebo. We recommend reading it before installing ros_gz.”
- [probe] https://gazebosim.org/openapi.json“PROBE openapi: all candidate paths 404 (https://gazebosim.org/openapi.json, https://gazebosim.org/swagger.json, https://gazebosim.org/api/openapi.json, https://gazebosim.org/.well-known/openapi.json)”
- [probe] https://gazebosim.org/llms.txt“PROBE llms.txt: HTTP 404 at https://gazebosim.org/llms.txt”
API quality = 7.0 ÷ 70 × 100 = 10.0
Openness51.4/100×0.20 of the PA blend
Can you leave, inspect, or self-host — data export, open source, portability.
Do everything through the API that I can do in the UIweight 2
2 (weight) × 5 (quality) × 0.6 (partial) = 6.0 of 20 max
- [claimed-docs] https://gazebosim.org/docs/latest/getstarted/“Gazebo Sim can also be run headless, i.e. without the GUI, by using the -s (server only) flag.”
- [claimed-docs] https://gazebosim.org/docs/latest/getstarted/“the GUI can be run independently using the -g (gui only) flag. On start, the GUI will attempt to connect to a server instance.”
- [claimed-docs] https://gazebosim.org/docs/latest/getstarted/“Gazebo Sim can also be run headless, i.e. without the GUI, by using the `-s` (server only) flag.”
- [github] https://github.com/gazebosim/gz-sim“Command line tools: Extensive command line tools for increased simulation introspection and control.”
- [github] https://github.com/gazebosim/gz-sim“Run simulation on remote servers and interface to Gazebo Sim through socket-based message passing using Gazebo Transport.”
- [claimed-docs] https://gazebosim.org/libs“A framework for graphical user interfaces centered around QT. Each component in Gazebo GUI is an independent plugin”
Export all of my data in open formats and leaveweight 3
n/a — not applicable to this product: excluded from numerator and denominator
no evidence cited — the verdict rests on absence of evidence, re-checked on refresh
Read the product's source under an open licenseweight 2
2 (weight) × 5 (quality) × 0.6 (partial) = 6.0 of 20 max
- [github] https://github.com/gazebosim/gz-sim“Plugins: Develop custom plugins for robot, sensor, and environment control.”
- [github] https://github.com/gazebosim/gz-sim“Graphical interface: Create, introspect and interact with your simulations through plugin-based graphical interfaces powered by Gazebo GUI.”
- [claimed-docs] https://gazebosim.org/docs/latest/getstarted/“Developers: For those who use individual Gazebo libraries (like gz-math, sdformat, or gz-transport) directly in their own C++ applications, or those who are developing custom plugins for the simulator (gz-sim) itself.”
Self-host the core productweight 3
3 (weight) × 8 (quality) × 1.0 (full) = 24.0 of 30 max
- [claimed-docs] https://gazebosim.org/docs/latest/getstarted/“Gazebo Sim can also be run headless, i.e. without the GUI, by using the -s (server only) flag.”
- [claimed-docs] https://gazebosim.org/docs/latest/install_ubuntu/“the gz-sim10-server package provides a lightweight alternative. It installs only the Gazebo simulation server (gz-sim-server) without any GUI or Qt dependencies”
- [claimed-docs] https://gazebosim.org/docs/latest/getstarted/“Gazebo Sim can also be run headless, i.e. without the GUI, by using the `-s` (server only) flag.”
- [claimed-docs] https://gazebosim.org/docs/latest/install_ubuntu/“It installs only the Gazebo simulation server (`gz-sim-server`) without any GUI or Qt dependencies, resulting in a significantly smaller installation footprint.”
- [github] https://github.com/gazebosim/gz-sim“TCP/IP Transport: Run simulation on remote servers and interface to Gazebo Sim through socket-based message passing using Gazebo Transport.”
- [github] https://github.com/gazebosim/gz-sim“Run simulation on remote servers and interface to Gazebo Sim through socket-based message passing using Gazebo Transport.”
Openness = 36.0 ÷ 70 × 100 = 51.4
Built-in AI0.0/100×0.15 of the PA blend
Inside-out: how agentic the product itself is for its users — built-in assistants, autonomous features.
Get AI-generated insights and suggestions from my data inside the productweight 2
n/a — not applicable to this product: excluded from numerator and denominator
no evidence cited — the verdict rests on absence of evidence, re-checked on refresh
Set up automations that run autonomously in the backgroundweight 2
n/a — not applicable to this product: excluded from numerator and denominator
no evidence cited — the verdict rests on absence of evidence, re-checked on refresh
Delegate tasks to a built-in AI assistant inside the productweight 3
n/a — not applicable to this product: excluded from numerator and denominator
no evidence cited — the verdict rests on absence of evidence, re-checked on refresh
Operate the product with natural-language commandsweight 2
2 (weight) × 0 (quality) × 0.0 (none) = 0.0 of 20 max
no evidence cited — the verdict rests on absence of evidence, re-checked on refresh
Built-in AI = 0.0 ÷ 20 × 100 = 0.0
Automation0.0/100×0.15 of the PA blend
Depth of automation primitives — rules, scheduling, bulk operations, webhooks.
Perform bulk operations across many items at onceweight 2
n/a — not applicable to this product: excluded from numerator and denominator
no evidence cited — the verdict rests on absence of evidence, re-checked on refresh
Define rules that trigger actions automatically on eventsweight 3
3 (weight) × 0 (quality) × 0.0 (none) = 0.0 of 30 max
- [github] https://github.com/gazebosim/gz-sim“Plugins: Develop custom plugins for robot, sensor, and environment control.”
- [github] https://github.com/gazebosim/gz-sim“Develop custom plugins for robot, sensor, and environment control.”
- [claimed-docs] https://gazebosim.org/docs/latest/getstarted/“Users: For those who primarily run Gazebo using standard tools (like gz sim), edit SDFormat files, use existing plugins, and interact with running simulations from the outside”
Schedule recurring jobs or workflowsweight 2
n/a — not applicable to this product: excluded from numerator and denominator
no evidence cited — the verdict rests on absence of evidence, re-checked on refresh
Version, review, and roll back my automationsweight 1
n/a — not applicable to this product: excluded from numerator and denominator
no evidence cited — the verdict rests on absence of evidence, re-checked on refresh
Automation = 0.0 ÷ 30 × 100 = 0.0