{"record":{"id":"b1e4616f4e2c94b0","repo":"openai/codex","slug":"mcp-server-server-was-not-ready-for-this-step","errorCode":null,"errorMessage":"MCP server '{server}' was not ready for this step","messagePattern":"MCP server '(.+?)' was not ready for this step","errorType":"exception","errorClass":"anyhow::Error","httpStatus":null,"severity":"error","filePath":"codex-rs/codex-mcp/src/binding_clients.rs","lineNumber":41,"sourceCode":"}\n\nimpl McpBindingClients {\n    pub(crate) fn new(clients: HashMap<String, Arc<ManagedClient>>) -> Self {\n        Self { clients }\n    }\n\n    pub(crate) fn client(&self, server: &str) -> Option<Arc<ManagedClient>> {\n        self.clients.get(server).cloned()\n    }\n\n    pub(crate) async fn list_resources(\n        &self,\n        server: &str,\n        params: Option<PaginatedRequestParams>,\n    ) -> Result<ListResourcesResult> {\n        let managed = self\n            .client(server)\n            .ok_or_else(|| anyhow!(\"MCP server '{server}' was not ready for this step\"))?;\n        managed\n            .client\n            .list_resources(params, managed.tool_timeout)\n            .await\n            .with_context(|| format!(\"resources/list failed for `{server}`\"))\n    }\n\n    pub(crate) async fn list_resource_templates(\n        &self,\n        server: &str,\n        params: Option<PaginatedRequestParams>,\n    ) -> Result<ListResourceTemplatesResult> {\n        let managed = self\n            .client(server)\n            .ok_or_else(|| anyhow!(\"MCP server '{server}' was not ready for this step\"))?;\n        managed\n            .client\n            .list_resource_templates(params, managed.tool_timeout)","sourceCodeStart":23,"sourceCodeEnd":59,"githubUrl":"https://github.com/openai/codex/blob/339751715c64496cb86246bfb3935f40e309dd3d/codex-rs/codex-mcp/src/binding_clients.rs#L23-L59","documentation":"Error \"MCP server '{server}' was not ready for this step\" thrown in openai/codex.","triggerScenarios":"Thrown at codex-rs/codex-mcp/src/binding_clients.rs:41 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":[],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"339751715c64496cb86246bfb3935f40e309dd3d","analyzedAt":"2026-08-25T05:35:09.876Z","schemaVersion":2},"datasetVersion":"2026-08-25T06:17:31.827Z"}