my nixos/home-manager configuration
add github mcp to codex
+23
-1
+16
-1
home-manager/modules/codex.nix
+16
-1
home-manager/modules/codex.nix
···
10
10
11
11
nodejsPkg = pkgs.nodejs_22;
12
12
13
-
context7ApiKeyPath = config.programs.onepassword-secrets.secretPaths."context7ApiKey";
13
+
context7ApiKeyPath = config.programs.onepassword-secrets.secretPaths.context7ApiKey;
14
+
githubPersonalAccessTokenPath =
15
+
config.programs.onepassword-secrets.secretPaths.githubPersonalAccessToken;
14
16
15
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context7Runner = pkgs.writeShellScriptBin "context7-mcp-runner" ''
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export PATH="${lib.makeBinPath [ nodejsPkg ]}:$PATH"
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19
export CONTEXT7_API_KEY="$(${pkgs.coreutils}/bin/cat ${context7ApiKeyPath})"
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exec "${nodejsPkg}/bin/npx" -y @upstash/context7-mcp
21
+
'';
22
+
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+
githubRunner = pkgs.writeShellScriptBin "github-mcp-runner" ''
24
+
export GITHUB_PERSONAL_ACCESS_TOKEN="$(${pkgs.coreutils}/bin/cat ${githubPersonalAccessTokenPath})"
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+
exec "${pkgs.unstable.github-mcp-server}/bin/github-mcp-server" stdio
19
26
'';
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27
in
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28
{
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29
config = lib.mkIf cfg.enable {
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30
home.packages = [
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31
context7Runner
32
+
githubRunner
25
33
];
26
34
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35
programs.codex = {
···
30
38
Always use context7 when I need code generation, setup or configuration steps, or
31
39
library/API documentation. This means you should automatically use the Context7 MCP
32
40
tools to resolve library id and get library docs without me having to explicitly ask.
41
+
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+
Always use github when I need to interact with GitHub repositories, such as reading
43
+
pull requests, issues, or fetching repository information.
33
44
'';
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45
settings = {
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46
mcp_servers = {
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47
context7 = {
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48
command = "context7-mcp-runner";
49
+
args = [ ];
50
+
};
51
+
github = {
52
+
command = "github-mcp-runner";
38
53
args = [ ];
39
54
};
40
55
};
+7
home-manager/modules/onepassword-secrets.nix
+7
home-manager/modules/onepassword-secrets.nix
···
21
21
owner = "youn";
22
22
group = "users";
23
23
};
24
+
githubPersonalAccessToken = {
25
+
reference = "op://OpNix/Github Personal Access Token/credential";
26
+
path = ".opnix/secrets/github-personal-access-token";
27
+
mode = "0600";
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+
owner = "youn";
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+
group = "users";
30
+
};
24
31
};
25
32
};
26
33
};