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server: Add a simple get_datetime server tool (#22649)

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Evan Huus 2026-05-04 06:19:41 -04:00 • committed by GitHub
parent fa8feaed34
commit c84e6d6db5
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3 changed files with 32 additions and 2 deletions
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2
common/arg.cpp
View file

@ -2864,7 +2864,7 @@ common_params_context common_params_parser_init(common_params & params, llama_ex
{"--tools"}, "TOOL1,TOOL2,...",
"experimental: whether to enable built-in tools for AI agents - do not enable in untrusted environments (default: no tools)\n"
"specify \"all\" to enable all tools\n"
"available tools: read_file, file_glob_search, grep_search, exec_shell_command, write_file, edit_file, apply_diff",
"available tools: read_file, file_glob_search, grep_search, exec_shell_command, write_file, edit_file, apply_diff, get_datetime",
[](common_params & params, const std::string & value) {
params.server_tools = parse_csv_row(value);
}

2
tools/server/README.md
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@ -191,7 +191,7 @@ For the full list of features, please refer to [server's changelog](https://gith
| `--webui-config JSON` | JSON that provides default WebUI settings (overrides WebUI defaults)<br/>(env: LLAMA_ARG_WEBUI_CONFIG) |
| `--webui-config-file PATH` | JSON file that provides default WebUI settings (overrides WebUI defaults)<br/>(env: LLAMA_ARG_WEBUI_CONFIG_FILE) |
| `--webui-mcp-proxy, --no-webui-mcp-proxy` | experimental: whether to enable MCP CORS proxy - do not enable in untrusted environments (default: disabled)<br/>(env: LLAMA_ARG_WEBUI_MCP_PROXY) |
| `--tools TOOL1,TOOL2,...` | experimental: whether to enable built-in tools for AI agents - do not enable in untrusted environments (default: no tools)<br/>specify "all" to enable all tools<br/>available tools: read_file, file_glob_search, grep_search, exec_shell_command, write_file, edit_file, apply_diff<br/>(env: LLAMA_ARG_TOOLS) |
| `--tools TOOL1,TOOL2,...` | experimental: whether to enable built-in tools for AI agents - do not enable in untrusted environments (default: no tools)<br/>specify "all" to enable all tools<br/>available tools: read_file, file_glob_search, grep_search, exec_shell_command, write_file, edit_file, apply_diff, get_datetime<br/>(env: LLAMA_ARG_TOOLS) |
| `--webui, --no-webui` | whether to enable the Web UI (default: enabled)<br/>(env: LLAMA_ARG_WEBUI) |
| `--embedding, --embeddings` | restrict to only support embedding use case; use only with dedicated embedding models (default: disabled)<br/>(env: LLAMA_ARG_EMBEDDINGS) |
| `--rerank, --reranking` | enable reranking endpoint on server (default: disabled)<br/>(env: LLAMA_ARG_RERANKING) |

30
tools/server/server-tools.cpp
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@ -693,6 +693,35 @@ struct server_tool_apply_diff : server_tool {
}
};
//
// get_datetime: returns the current date and time
//
struct server_tool_get_datetime : server_tool {
server_tool_get_datetime() {
name = "get_datetime";
display_name = "Get Date & Time";
permission_write = false;
}
json get_definition() override {
return {
{"type", "function"},
{"function", {
{"name", name},
{"description", "Returns the current date and time"},
}},
};
}
json invoke(json) override {
auto now = std::chrono::system_clock::now();
auto time = std::chrono::system_clock::to_time_t(now);
return {{"result", std::ctime(&time)}};
}
};
//
// public API
//
@ -706,6 +735,7 @@ static std::vector<std::unique_ptr<server_tool>> build_tools() {
tools.push_back(std::make_unique<server_tool_write_file>());
tools.push_back(std::make_unique<server_tool_edit_file>());
tools.push_back(std::make_unique<server_tool_apply_diff>());
tools.push_back(std::make_unique<server_tool_get_datetime>());
return tools;
}