How Nix’s scores are calculated

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://nix.dev/llms.txt“PROBE llms.txt: HTTP 404 at https://nix.dev/llms.txt”
• [probe] https://nix.dev.md“PROBE docs-md: HTTP 404 at https://nix.dev.md”
• [probe] https://nix.dev/openapi.json“PROBE openapi: all candidate paths 404 (https://nix.dev/openapi.json, https://nix.dev/swagger.json, https://nix.dev/api/openapi.json, https://nix.dev/.well-known/openapi.json)”

Run the product headlessly / in CI for automationweight 2

2 (weight) × 6 (quality) × 0.6 (partial) = 7.2 of 20 max

• [claimed-docs] https://nix.dev/manual/nix/2.28/command-ref/new-cli/nix“Build the flake in the current directory: console # nix build # ./result/bin/hello Hello, world! ”
• [claimed-docs] https://nix.dev/manual/nix/2.28/command-ref/new-cli/nix“`nix run` - run a Nix application”
• [claimed-docs] https://nix.dev“Remote builds.”
• [claimed-docs] https://nixos.org/manual/nix/stable/introduction“Nix can automatically skip building from source and instead use a binary cache, a web server that provides pre-built binaries.”
• [community] https://news.ycombinator.com/item?id=23251754“I've worked on one of the largest Nix systems and it saves our entire dev team hours. Everything is only built once, on a large set of specialized remote builders, then shared among all of our devs, CI, and deployment infrastructure.”
• [community] https://news.ycombinator.com/item?id=23251754“We're using Nix where I work... it was not the most user-friendly to set up, once we got it in place it has reliably worked for the last two years... This is my favorite part of Nix — you can do `nix-shell --run "<some command>"`, and it will make sure you have all of the correct dependencies.”

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

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

Use an official CLIweight 2

2 (weight) × 8 (quality) × 1.0 (full) = 16.0 of 20 max

• [claimed-docs] https://nixos.org/manual/nix/stable/introduction“the command `nix-shell` will build or download those dependencies if they’re not already in your Nix store, and then start a Bash shell in which all necessary environment variables (such as compiler search paths) are set.”
• [claimed-docs] https://nix.dev/manual/nix/2.28/command-ref/new-cli/nix“`nix develop` - run a bash shell that provides the build environment of a derivation”
• [claimed-docs] https://nix.dev/manual/nix/2.28/command-ref/new-cli/nix“Build the flake in the current directory: console # nix build # ./result/bin/hello Hello, world! ”
• [claimed-docs] https://nix.dev/manual/nix/2.28/command-ref/new-cli/nix“`nix search` - search for packages”
• [claimed-docs] https://nix.dev/manual/nix/2.28/command-ref/new-cli/nix“`nix run` - run a Nix application”
• [claimed-docs] https://nix.dev/manual/nix/2.28/command-ref/new-cli/nix“Create a new flake: # nix flake new hello”
• [probe] https://nix.dev/manual/nix/2.28/command-ref/new-cli/nix“official CLI documented at https://nix.dev/manual/nix/2.28/command-ref/new-cli/nix”

Drive the product through a documented public APIweight 3

3 (weight) × 0 (quality) × 0.0 (none) = 0.0 of 30 max

• [probe] https://nix.dev/llms.txt“PROBE llms.txt: HTTP 404 at https://nix.dev/llms.txt”
• [probe] https://nix.dev.md“PROBE docs-md: HTTP 404 at https://nix.dev.md”
• [probe] https://nix.dev/openapi.json“PROBE openapi: all candidate paths 404 (https://nix.dev/openapi.json, https://nix.dev/swagger.json, https://nix.dev/api/openapi.json, https://nix.dev/.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

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

Subscribe to events via webhooksweight 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

Explore an interactive API reference with runnable examplesweight 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

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://nix.dev/llms.txt“PROBE llms.txt: HTTP 404 at https://nix.dev/llms.txt”
• [probe] https://nix.dev.md“PROBE docs-md: HTTP 404 at https://nix.dev.md”
• [probe] https://nix.dev/openapi.json“PROBE openapi: all candidate paths 404 (https://nix.dev/openapi.json, https://nix.dev/swagger.json, https://nix.dev/api/openapi.json, https://nix.dev/.well-known/openapi.json)”

Test against a sandbox environment without touching production dataweight 1

1 (weight) × 5 (quality) × 0.6 (partial) = 3.0 of 10 max

• [claimed-docs] https://nixos.org/manual/nix/stable/introduction“the command `nix-shell` will build or download those dependencies if they’re not already in your Nix store, and then start a Bash shell in which all necessary environment variables (such as compiler search paths) are set.”
• [claimed-docs] https://nix.dev/manual/nix/2.28/command-ref/new-cli/nix“`nix develop` - run a bash shell that provides the build environment of a derivation”
• [claimed-docs] https://nix.dev“Reproducible integration testing using virtual machines.”
• [claimed-docs] https://nix.dev“Reproducible integration testing using virtual machines”
• [community] https://news.ycombinator.com/item?id=23251754“We're using Nix where I work... it was not the most user-friendly to set up, once we got it in place it has reliably worked for the last two years... This is my favorite part of Nix — you can do `nix-shell --run "<some command>"`, and it will make sure you have all of the correct dependencies.”

Rely on versioned APIs with a documented deprecation policyweight 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

Do everything through the API that I can do in the UIweight 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

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) × 0 (quality) × 0.0 (none) = 0.0 of 20 max

no evidence cited — the verdict rests on absence of evidence, re-checked on refresh

Self-host the core productweight 3

3 (weight) × 8 (quality) × 1.0 (full) = 24.0 of 30 max

• [claimed-docs] https://nixos.org/download/“$ curl --proto '=https' --tlsv1.2 -L https://nixos.org/nix/install | sh -s -- --daemon”
• [claimed-docs] https://nixos.org/download/“curl --proto '=https' --tlsv1.2 -L https://nixos.org/nix/install | sh -s -- --daemon”
• [claimed-docs] https://nixos.org/download/“Install Nix via the recommended multi-user installation”
• [claimed-docs] https://nixos.org/manual/nix/stable/introduction“Nix can automatically skip building from source and instead use a binary cache, a web server that provides pre-built binaries.”
• [claimed-docs] https://nix.dev“Transparent build caching using binary caches”
• [claimed-docs] https://nixos.org/guides/how-nix-works/“You configure a NixOS system by writing a specification of the functionality that you want on your machine in `/etc/nixos/configuration.nix`.”
• [claimed-docs] https://nixos.org/guides/how-nix-works/“You configure a NixOS system by writing a specification of the functionality that you want on your machine in `/etc/nixos/configuration.nix`”
• [claimed-docs] https://nixos.org/download/“NixOS can be deployed to Amazon EC2 using our official AMI.”
• [claimed-docs] https://nixos.org/download/“The graphical installation ISO image contains the graphical NixOS installer as well as several Desktop Environments and several applications.”
• [community] https://news.ycombinator.com/item?id=27573393“I really liked how easy it was to create a custom ISO when I installed Nix. For once I had Dvorak as the default keyboard from the outset, neovim for editing, and the proprietary WiFi drivers I needed all from a minimal config file and `nix build`.”

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

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

Perform bulk operations across many items at onceweight 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

Define rules that trigger actions automatically on eventsweight 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

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