release(secrets-mcp): v0.3.2 — 修复 key_ref 多租户与歧义

- env_map：key_ref 解析传入 user_id；支持 folder/name；多条匹配时报错
- 文档同步 key_ref 说明
- bump secrets-mcp 0.3.1 → 0.3.2，更新 Cargo.lock

Made-with: Cursor

AGENTS.md

@@ -118,7 +118,7 @@ oauth_accounts (
 
 ### PEM 共享（`key_ref`）
 
-将共享 PEM 存为 **`type=key`** 的 entry；其它记录在 `metadata.key_ref` 指向该 key 的 `name`。更新 key 记录后，引用方通过服务层解析合并逻辑即可使用新密钥（实现见 `secrets_core::service`）。
+将共享 PEM 存为 **`type=key`** 的 entry；其它记录在 `metadata.key_ref` 指向该 key 的 `name`（支持 `folder/name` 格式消歧）。更新 key 记录后，引用方通过服务层解析合并逻辑即可使用新密钥（实现见 `secrets_core::service::env_map`）。
 
 ## 代码规范
 

Cargo.lock

@@ -1968,7 +1968,7 @@ dependencies = [
 
 [[package]]
 name = "secrets-mcp"
-version = "0.3.0"
+version = "0.3.2"
 dependencies = [
  "anyhow",
  "askama",

README.md

@@ -147,7 +147,7 @@ flowchart LR
 
 ### PEM 共享（`key_ref`）
 
-同一 PEM 可被多条 `server` 等记录引用：将 PEM 存为 **`type=key`** 的 entry，在其它条目的 `metadata.key_ref` 中写该 key 条目的 `name`；轮换时只更新 key 对应记录即可。
+同一 PEM 可被多条 `server` 等记录引用：将 PEM 存为 **`type=key`** 的 entry，在其它条目的 `metadata.key_ref` 中写该 key 条目的 `name`（支持 `folder/name` 格式消歧）；轮换时只更新 key 记录即可。
 
 ## 审计日志
 

crates/secrets-core/src/service/env_map.rs

@@ -26,7 +26,8 @@ pub async fn build_env_map(
     let mut combined: HashMap<String, String> = HashMap::new();
 
     for entry in &entries {
-        let entry_map = build_entry_env_map(pool, entry, only_fields, prefix, master_key).await?;
+        let entry_map =
+            build_entry_env_map(pool, entry, only_fields, prefix, master_key, user_id).await?;
         combined.extend(entry_map);
     }
 
@@ -39,6 +40,7 @@ async fn build_entry_env_map(
     only_fields: &[String],
     prefix: &str,
     master_key: &[u8; 32],
+    user_id: Option<Uuid>,
 ) -> Result<HashMap<String, String>> {
     let entry_ids = vec![entry.id];
     let secrets_map = fetch_secrets_for_entries(pool, &entry_ids).await?;
@@ -66,10 +68,31 @@ async fn build_entry_env_map(
         map.insert(key, json_to_env_string(&decrypted));
     }
 
-    // Resolve key_ref
+    // Resolve key_ref. Supported formats: "name" or "folder/name".
     if let Some(key_ref) = entry.metadata.get("key_ref").and_then(|v| v.as_str()) {
-        let key_entries =
+        let (ref_folder, ref_name) = if let Some((f, n)) = key_ref.split_once('/') {
-            fetch_entries(pool, None, Some("key"), Some(key_ref), &[], None, None).await?;
+            (Some(f), n)
+        } else {
+            (None, key_ref)
+        };
+        let key_entries = fetch_entries(
+            pool,
+            ref_folder,
+            Some("key"),
+            Some(ref_name),
+            &[],
+            None,
+            user_id,
+        )
+        .await?;
+
+        if key_entries.len() > 1 {
+            anyhow::bail!(
+                "key_ref '{}' matched {} entries; qualify with folder/name to resolve the ambiguity",
+                key_ref,
+                key_entries.len()
+            );
+        }
 
         if let Some(key_entry) = key_entries.first() {
             let key_ids = vec![key_entry.id];
@@ -87,7 +110,7 @@ async fn build_entry_env_map(
                 map.insert(key_var, json_to_env_string(&decrypted));
             }
         } else {
-            tracing::warn!(key_ref, "key_ref target not found");
+            tracing::warn!(key_ref, ?user_id, "key_ref target not found");
         }
     }
 

crates/secrets-core/src/service/get_secret.rs

@@ -5,7 +5,7 @@ use std::collections::HashMap;
 use uuid::Uuid;
 
 use crate::crypto;
-use crate::service::search::{fetch_secrets_for_entries, resolve_entry};
+use crate::service::search::{fetch_secrets_for_entries, resolve_entry, resolve_entry_by_id};
 
 /// Decrypt a single named field from an entry.
 /// `folder` is optional; if omitted and multiple entries share the name, an error is returned.
@@ -53,3 +53,52 @@ pub async fn get_all_secrets(
     }
     Ok(map)
 }
+
+/// Decrypt a single named field from an entry, located by its UUID.
+pub async fn get_secret_field_by_id(
+    pool: &PgPool,
+    entry_id: Uuid,
+    field_name: &str,
+    master_key: &[u8; 32],
+    user_id: Option<Uuid>,
+) -> Result<Value> {
+    resolve_entry_by_id(pool, entry_id, user_id)
+        .await
+        .map_err(|_| anyhow::anyhow!("Entry with id '{}' not found", entry_id))?;
+
+    let entry_ids = vec![entry_id];
+    let secrets_map = fetch_secrets_for_entries(pool, &entry_ids).await?;
+    let fields = secrets_map.get(&entry_id).map(Vec::as_slice).unwrap_or(&[]);
+
+    let field = fields
+        .iter()
+        .find(|f| f.field_name == field_name)
+        .ok_or_else(|| anyhow::anyhow!("Secret field '{}' not found", field_name))?;
+
+    crypto::decrypt_json(master_key, &field.encrypted)
+}
+
+/// Decrypt all secret fields from an entry, located by its UUID.
+/// Returns a map field_name → decrypted Value.
+pub async fn get_all_secrets_by_id(
+    pool: &PgPool,
+    entry_id: Uuid,
+    master_key: &[u8; 32],
+    user_id: Option<Uuid>,
+) -> Result<HashMap<String, Value>> {
+    // Validate entry exists (and that it belongs to the requesting user)
+    resolve_entry_by_id(pool, entry_id, user_id)
+        .await
+        .map_err(|_| anyhow::anyhow!("Entry with id '{}' not found", entry_id))?;
+
+    let entry_ids = vec![entry_id];
+    let secrets_map = fetch_secrets_for_entries(pool, &entry_ids).await?;
+    let fields = secrets_map.get(&entry_id).map(Vec::as_slice).unwrap_or(&[]);
+
+    let mut map = HashMap::new();
+    for f in fields {
+        let decrypted = crypto::decrypt_json(master_key, &f.encrypted)?;
+        map.insert(f.field_name.clone(), decrypted);
+    }
+    Ok(map)
+}

crates/secrets-core/src/service/search.rs

@@ -208,6 +208,36 @@ pub async fn fetch_secrets_for_entries(
     Ok(map)
 }
 
+/// Resolve exactly one entry by its UUID primary key.
+///
+/// Returns an error if the entry does not exist or does not belong to the given user.
+pub async fn resolve_entry_by_id(
+    pool: &PgPool,
+    id: Uuid,
+    user_id: Option<Uuid>,
+) -> Result<crate::models::Entry> {
+    let row: Option<EntryRaw> = if let Some(uid) = user_id {
+        sqlx::query_as(
+            "SELECT id, user_id, folder, type, name, notes, tags, metadata, version, \
+             created_at, updated_at FROM entries WHERE id = $1 AND user_id = $2",
+        )
+        .bind(id)
+        .bind(uid)
+        .fetch_optional(pool)
+        .await?
+    } else {
+        sqlx::query_as(
+            "SELECT id, user_id, folder, type, name, notes, tags, metadata, version, \
+             created_at, updated_at FROM entries WHERE id = $1 AND user_id IS NULL",
+        )
+        .bind(id)
+        .fetch_optional(pool)
+        .await?
+    };
+    row.map(Entry::from)
+        .ok_or_else(|| anyhow::anyhow!("Entry with id '{}' not found", id))
+}
+
 /// Resolve exactly one entry by name, with optional folder for disambiguation.
 ///
 /// - If `folder` is provided: exact `(folder, name)` match.

crates/secrets-mcp/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "secrets-mcp"
-version = "0.3.0"
+version = "0.3.2"
 edition.workspace = true
 
 [[bin]]

crates/secrets-mcp/src/tools.rs

@@ -14,6 +14,7 @@ use rmcp::{
 };
 use schemars::JsonSchema;
 use serde::Deserialize;
+use serde_json::{Map, Value};
 use sqlx::PgPool;
 use uuid::Uuid;
 
@@ -22,10 +23,10 @@ use secrets_core::service::{
     add::{AddParams, run as svc_add},
     delete::{DeleteParams, run as svc_delete},
     export::{ExportParams, export as svc_export},
-    get_secret::{get_all_secrets, get_secret_field},
+    get_secret::{get_all_secrets_by_id, get_secret_field_by_id},
     history::run as svc_history,
     rollback::run as svc_rollback,
-    search::{SearchParams, run as svc_search},
+    search::{SearchParams, resolve_entry_by_id, run as svc_search},
     update::{UpdateParams, run as svc_update},
 };
 
@@ -153,6 +154,25 @@ impl SecretsService {
 
 // ── Tool parameter types ──────────────────────────────────────────────────────
 
+#[derive(Debug, Deserialize, JsonSchema)]
+struct FindInput {
+    #[schemars(
+        description = "Fuzzy search across name, folder, type, notes, tags, and metadata values"
+    )]
+    query: Option<String>,
+    #[schemars(description = "Exact folder filter (e.g. 'refining', 'ricnsmart')")]
+    folder: Option<String>,
+    #[schemars(description = "Exact type filter (e.g. 'server', 'service', 'person', 'key')")]
+    #[serde(rename = "type")]
+    entry_type: Option<String>,
+    #[schemars(description = "Exact name filter")]
+    name: Option<String>,
+    #[schemars(description = "Tag filters (all must match)")]
+    tags: Option<Vec<String>>,
+    #[schemars(description = "Max results (default 20)")]
+    limit: Option<u32>,
+}
+
 #[derive(Debug, Deserialize, JsonSchema)]
 struct SearchInput {
     #[schemars(description = "Fuzzy search across name, folder, type, notes, tags, metadata")]
@@ -178,12 +198,8 @@ struct SearchInput {
 
 #[derive(Debug, Deserialize, JsonSchema)]
 struct GetSecretInput {
-    #[schemars(description = "Name of the entry")]
+    #[schemars(description = "Entry UUID obtained from secrets_find results")]
-    name: String,
+    id: String,
-    #[schemars(
-        description = "Folder for disambiguation when multiple entries share the same name (optional)"
-    )]
-    folder: Option<String>,
     #[schemars(description = "Specific field to retrieve. If omitted, returns all fields.")]
     field: Option<String>,
 }
@@ -205,8 +221,16 @@ struct AddInput {
     tags: Option<Vec<String>>,
     #[schemars(description = "Metadata fields as 'key=value' or 'key:=json' strings")]
     meta: Option<Vec<String>>,
+    #[schemars(
+        description = "Metadata fields as a JSON object {\"key\": value}. Merged with 'meta' if both provided."
+    )]
+    meta_obj: Option<Map<String, Value>>,
     #[schemars(description = "Secret fields as 'key=value' strings")]
     secrets: Option<Vec<String>>,
+    #[schemars(
+        description = "Secret fields as a JSON object {\"key\": \"value\"}. Merged with 'secrets' if both provided."
+    )]
+    secrets_obj: Option<Map<String, Value>>,
 }
 
 #[derive(Debug, Deserialize, JsonSchema)]
@@ -217,6 +241,10 @@ struct UpdateInput {
         description = "Folder for disambiguation when multiple entries share the same name (optional)"
     )]
     folder: Option<String>,
+    #[schemars(
+        description = "Entry UUID (from secrets_find). If provided, name/folder are used for disambiguation only."
+    )]
+    id: Option<String>,
     #[schemars(description = "Update the notes field")]
     notes: Option<String>,
     #[schemars(description = "Tags to add")]
@@ -225,16 +253,29 @@ struct UpdateInput {
     remove_tags: Option<Vec<String>>,
     #[schemars(description = "Metadata fields to update/add as 'key=value' strings")]
     meta: Option<Vec<String>>,
+    #[schemars(
+        description = "Metadata fields to update/add as a JSON object {\"key\": value}. Merged with 'meta' if both provided."
+    )]
+    meta_obj: Option<Map<String, Value>>,
     #[schemars(description = "Metadata field keys to remove")]
     remove_meta: Option<Vec<String>>,
     #[schemars(description = "Secret fields to update/add as 'key=value' strings")]
     secrets: Option<Vec<String>>,
+    #[schemars(
+        description = "Secret fields to update/add as a JSON object {\"key\": \"value\"}. Merged with 'secrets' if both provided."
+    )]
+    secrets_obj: Option<Map<String, Value>>,
     #[schemars(description = "Secret field keys to remove")]
     remove_secrets: Option<Vec<String>>,
 }
 
 #[derive(Debug, Deserialize, JsonSchema)]
 struct DeleteInput {
+    #[schemars(
+        description = "Entry UUID (from secrets_find). If provided, deletes this specific entry \
+        regardless of name/folder."
+    )]
+    id: Option<String>,
     #[schemars(description = "Name of the entry to delete (single delete). \
         Omit to bulk delete by folder/type filters.")]
     name: Option<String>,
@@ -255,6 +296,10 @@ struct HistoryInput {
         description = "Folder for disambiguation when multiple entries share the same name (optional)"
     )]
     folder: Option<String>,
+    #[schemars(
+        description = "Entry UUID (from secrets_find). If provided, name/folder are ignored."
+    )]
+    id: Option<String>,
     #[schemars(description = "Max history entries to return (default 20)")]
     limit: Option<u32>,
 }
@@ -267,6 +312,10 @@ struct RollbackInput {
         description = "Folder for disambiguation when multiple entries share the same name (optional)"
     )]
     folder: Option<String>,
+    #[schemars(
+        description = "Entry UUID (from secrets_find). If provided, name/folder are ignored."
+    )]
+    id: Option<String>,
     #[schemars(description = "Target version number. Omit to restore the most recent snapshot.")]
     to_version: Option<i64>,
 }
@@ -301,17 +350,118 @@ struct EnvMapInput {
     tags: Option<Vec<String>>,
     #[schemars(description = "Only include these secret fields")]
     only_fields: Option<Vec<String>>,
-    #[schemars(description = "Environment variable name prefix")]
+    #[schemars(description = "Environment variable name prefix. \
+        Variable names are built as UPPER(prefix)_UPPER(entry_name)_UPPER(field_name), \
+        with hyphens and dots replaced by underscores. \
+        Example: entry 'aliyun', field 'access_key_id' → ALIYUN_ACCESS_KEY_ID \
+        (or PREFIX_ALIYUN_ACCESS_KEY_ID with prefix set).")]
     prefix: Option<String>,
 }
 
+#[derive(Debug, Deserialize, JsonSchema)]
+struct OverviewInput {}
+
+// ── Helpers ───────────────────────────────────────────────────────────────────
+
+/// Convert a JSON object map into "key=value" / "key:=json" strings for service-layer parsing.
+fn map_to_kv_strings(map: Map<String, Value>) -> Vec<String> {
+    map.into_iter()
+        .map(|(k, v)| match &v {
+            Value::String(s) => format!("{}={}", k, s),
+            _ => format!("{}:={}", k, v),
+        })
+        .collect()
+}
+
+/// Parse a UUID string, returning an MCP error on failure.
+fn parse_uuid(s: &str) -> Result<Uuid, rmcp::ErrorData> {
+    s.parse::<Uuid>()
+        .map_err(|_| rmcp::ErrorData::invalid_request(format!("Invalid UUID: '{}'", s), None))
+}
+
 // ── Tool implementations ──────────────────────────────────────────────────────
 
 #[tool_router]
 impl SecretsService {
+    #[tool(
+        description = "Find entries in the secrets store by folder, name, type, tags, or a \
+        fuzzy query that also searches metadata values. Requires Bearer API key. \
+        Returns 0 or more entries with id, metadata, and secret field names (not values). \
+        Use the returned id with secrets_get to decrypt secret values. \
+        Replaces secrets_search for discovery tasks.",
+        annotations(title = "Find Secrets", read_only_hint = true, idempotent_hint = true)
+    )]
+    async fn secrets_find(
+        &self,
+        Parameters(input): Parameters<FindInput>,
+        ctx: RequestContext<RoleServer>,
+    ) -> Result<CallToolResult, rmcp::ErrorData> {
+        let t = Instant::now();
+        let user_id = Self::require_user_id(&ctx)?;
+        tracing::info!(
+            tool = "secrets_find",
+            ?user_id,
+            folder = input.folder.as_deref(),
+            entry_type = input.entry_type.as_deref(),
+            name = input.name.as_deref(),
+            query = input.query.as_deref(),
+            "tool call start",
+        );
+        let tags = input.tags.unwrap_or_default();
+        let result = svc_search(
+            &self.pool,
+            SearchParams {
+                folder: input.folder.as_deref(),
+                entry_type: input.entry_type.as_deref(),
+                name: input.name.as_deref(),
+                tags: &tags,
+                query: input.query.as_deref(),
+                sort: "name",
+                limit: input.limit.unwrap_or(20),
+                offset: 0,
+                user_id: Some(user_id),
+            },
+        )
+        .await
+        .map_err(|e| mcp_err_internal_logged("secrets_find", Some(user_id), e))?;
+
+        let entries: Vec<serde_json::Value> = result
+            .entries
+            .iter()
+            .map(|e| {
+                let schema: Vec<&str> = result
+                    .secret_schemas
+                    .get(&e.id)
+                    .map(|f| f.iter().map(|s| s.field_name.as_str()).collect())
+                    .unwrap_or_default();
+                serde_json::json!({
+                    "id": e.id,
+                    "name": e.name,
+                    "folder": e.folder,
+                    "type": e.entry_type,
+                    "tags": e.tags,
+                    "metadata": e.metadata,
+                    "secret_fields": schema,
+                    "updated_at": e.updated_at.format("%Y-%m-%dT%H:%M:%SZ").to_string(),
+                })
+            })
+            .collect();
+
+        tracing::info!(
+            tool = "secrets_find",
+            ?user_id,
+            result_count = entries.len(),
+            elapsed_ms = t.elapsed().as_millis(),
+            "tool call ok",
+        );
+        let json = serde_json::to_string_pretty(&entries).unwrap_or_else(|_| "[]".to_string());
+        Ok(CallToolResult::success(vec![Content::text(json)]))
+    }
+
     #[tool(
         description = "Search entries in the secrets store. Requires Bearer API key. Returns \
-        entries with metadata and secret field names (not values). Use secrets_get to decrypt secret values.",
+        entries with metadata and secret field names (not values). \
+        Prefer secrets_find for discovery; secrets_search is kept for backward compatibility.",
         annotations(
             title = "Search Secrets",
             read_only_hint = true,
@@ -401,8 +551,8 @@ impl SecretsService {
     }
 
     #[tool(
-        description = "Get decrypted secret field values for an entry. Requires your \
+        description = "Get decrypted secret field values for an entry identified by its UUID \
-        encryption key via X-Encryption-Key header (64 hex chars, PBKDF2-derived). \
+        (from secrets_find). Requires X-Encryption-Key header. \
         Returns all fields, or a specific field if 'field' is provided.",
         annotations(
             title = "Get Secret Values",
@@ -417,29 +567,23 @@ impl SecretsService {
     ) -> Result<CallToolResult, rmcp::ErrorData> {
         let t = Instant::now();
         let (user_id, user_key) = Self::require_user_and_key(&ctx)?;
+        let entry_id = parse_uuid(&input.id)?;
         tracing::info!(
             tool = "secrets_get",
-            ?user_id,
+            id = %input.id,
-            name = %input.name,
             field = input.field.as_deref(),
             "tool call start",
         );
 
         if let Some(field_name) = &input.field {
-            let value = get_secret_field(
+            let value =
-                &self.pool,
+                get_secret_field_by_id(&self.pool, entry_id, field_name, &user_key, Some(user_id))
-                &input.name,
-                input.folder.as_deref(),
-                field_name,
-                &user_key,
-                Some(user_id),
-            )
                     .await
-            .map_err(|e| mcp_err_internal_logged("secrets_get", Some(user_id), e))?;
+                    .map_err(|e| mcp_err_internal_logged("secrets_get", None, e))?;
 
             tracing::info!(
                 tool = "secrets_get",
-                ?user_id,
+                id = %input.id,
                 elapsed_ms = t.elapsed().as_millis(),
                 "tool call ok",
             );
@@ -447,21 +591,14 @@ impl SecretsService {
             let json = serde_json::to_string_pretty(&result).unwrap_or_default();
             Ok(CallToolResult::success(vec![Content::text(json)]))
         } else {
-            let secrets = get_all_secrets(
+            let secrets = get_all_secrets_by_id(&self.pool, entry_id, &user_key, Some(user_id))
-                &self.pool,
-                &input.name,
-                input.folder.as_deref(),
-                &user_key,
-                Some(user_id),
-            )
                 .await
-            .map_err(|e| mcp_err_internal_logged("secrets_get", Some(user_id), e))?;
+                .map_err(|e| mcp_err_internal_logged("secrets_get", None, e))?;
 
-            let count = secrets.len();
             tracing::info!(
             tool = "secrets_get",
-                ?user_id,
+            id = %entry_id,
-                field_count = count,
+            field_count = secrets.len(),
                 elapsed_ms = t.elapsed().as_millis(),
                 "tool call ok",
             );
@@ -473,7 +610,8 @@ impl SecretsService {
     #[tool(
         description = "Add or upsert an entry with metadata and encrypted secret fields. \
         Requires X-Encryption-Key header. \
-        Meta and secret values use 'key=value', 'key=@file', or 'key:=<json>' format.",
+        Meta and secret values use 'key=value', 'key=@file', or 'key:=<json>' format, \
+        or pass a JSON object via meta_obj / secrets_obj.",
         annotations(title = "Add Secret Entry")
     )]
     async fn secrets_add(
@@ -493,8 +631,14 @@ impl SecretsService {
         );
 
         let tags = input.tags.unwrap_or_default();
-        let meta = input.meta.unwrap_or_default();
+        let mut meta = input.meta.unwrap_or_default();
-        let secrets = input.secrets.unwrap_or_default();
+        if let Some(obj) = input.meta_obj {
+            meta.extend(map_to_kv_strings(obj));
+        }
+        let mut secrets = input.secrets.unwrap_or_default();
+        if let Some(obj) = input.secrets_obj {
+            secrets.extend(map_to_kv_strings(obj));
+        }
         let folder = input.folder.as_deref().unwrap_or("");
         let entry_type = input.entry_type.as_deref().unwrap_or("");
         let notes = input.notes.as_deref().unwrap_or("");
@@ -529,7 +673,8 @@ impl SecretsService {
 
     #[tool(
         description = "Incrementally update an existing entry. Requires X-Encryption-Key header. \
-        Only the fields you specify are changed; everything else is preserved.",
+        Only the fields you specify are changed; everything else is preserved. \
+        Optionally pass 'id' (from secrets_find) to target the entry directly.",
         annotations(title = "Update Secret Entry")
     )]
     async fn secrets_update(
@@ -543,21 +688,40 @@ impl SecretsService {
             tool = "secrets_update",
             ?user_id,
             name = %input.name,
+            id = ?input.id,
             "tool call start",
         );
 
+        // When id is provided, resolve to (name, folder) via primary key to skip disambiguation.
+        let (resolved_name, resolved_folder): (String, Option<String>) =
+            if let Some(ref id_str) = input.id {
+                let eid = parse_uuid(id_str)?;
+                let entry = resolve_entry_by_id(&self.pool, eid, Some(user_id))
+                    .await
+                    .map_err(|e| mcp_err_internal_logged("secrets_update", Some(user_id), e))?;
+                (entry.name, Some(entry.folder))
+            } else {
+                (input.name.clone(), input.folder.clone())
+            };
+
         let add_tags = input.add_tags.unwrap_or_default();
         let remove_tags = input.remove_tags.unwrap_or_default();
-        let meta = input.meta.unwrap_or_default();
+        let mut meta = input.meta.unwrap_or_default();
+        if let Some(obj) = input.meta_obj {
+            meta.extend(map_to_kv_strings(obj));
+        }
         let remove_meta = input.remove_meta.unwrap_or_default();
-        let secrets = input.secrets.unwrap_or_default();
+        let mut secrets = input.secrets.unwrap_or_default();
+        if let Some(obj) = input.secrets_obj {
+            secrets.extend(map_to_kv_strings(obj));
+        }
         let remove_secrets = input.remove_secrets.unwrap_or_default();
 
         let result = svc_update(
             &self.pool,
             UpdateParams {
-                name: &input.name,
+                name: &resolved_name,
-                folder: input.folder.as_deref(),
+                folder: resolved_folder.as_deref(),
                 notes: input.notes.as_deref(),
                 add_tags: &add_tags,
                 remove_tags: &remove_tags,
@@ -575,7 +739,7 @@ impl SecretsService {
         tracing::info!(
             tool = "secrets_update",
             ?user_id,
-            name = %input.name,
+            name = %resolved_name,
             elapsed_ms = t.elapsed().as_millis(),
             "tool call ok",
         );
@@ -584,8 +748,9 @@ impl SecretsService {
     }
 
     #[tool(
-        description = "Delete one entry by name, or bulk delete entries matching folder and/or type. \
+        description = "Delete one entry by name (or id), or bulk delete entries matching folder \
-        Use dry_run=true to preview.",
+        and/or type. Use dry_run=true to preview. \
+        At least one of id, name, folder, or type must be provided.",
         annotations(title = "Delete Secret Entry", destructive_hint = true)
     )]
     async fn secrets_delete(
@@ -595,9 +760,23 @@ impl SecretsService {
     ) -> Result<CallToolResult, rmcp::ErrorData> {
         let t = Instant::now();
         let user_id = Self::user_id_from_ctx(&ctx)?;
+
+        // Safety: require at least one filter.
+        if input.id.is_none()
+            && input.name.is_none()
+            && input.folder.is_none()
+            && input.entry_type.is_none()
+        {
+            return Err(rmcp::ErrorData::invalid_request(
+                "At least one of id, name, folder, or type must be provided.",
+                None,
+            ));
+        }
+
         tracing::info!(
             tool = "secrets_delete",
             ?user_id,
+            id = ?input.id,
             name = input.name.as_deref(),
             folder = input.folder.as_deref(),
             entry_type = input.entry_type.as_deref(),
@@ -605,11 +784,24 @@ impl SecretsService {
             "tool call start",
         );
 
+        // When id is provided, resolve to name+folder for the single-entry delete path.
+        let (effective_name, effective_folder): (Option<String>, Option<String>) =
+            if let Some(ref id_str) = input.id {
+                let eid = parse_uuid(id_str)?;
+                let uid = user_id;
+                let entry = resolve_entry_by_id(&self.pool, eid, uid)
+                    .await
+                    .map_err(|e| mcp_err_internal_logged("secrets_delete", uid, e))?;
+                (Some(entry.name), Some(entry.folder))
+            } else {
+                (input.name.clone(), input.folder.clone())
+            };
+
         let result = svc_delete(
             &self.pool,
             DeleteParams {
-                name: input.name.as_deref(),
+                name: effective_name.as_deref(),
-                folder: input.folder.as_deref(),
+                folder: effective_folder.as_deref(),
                 entry_type: input.entry_type.as_deref(),
                 dry_run: input.dry_run.unwrap_or(false),
                 user_id,
@@ -630,7 +822,7 @@ impl SecretsService {
 
     #[tool(
         description = "View change history for an entry. Returns a list of versions with \
-        actions and timestamps.",
+        actions and timestamps. Optionally pass 'id' (from secrets_find) to target directly.",
         annotations(
             title = "View Secret History",
             read_only_hint = true,
@@ -648,13 +840,25 @@ impl SecretsService {
             tool = "secrets_history",
             ?user_id,
             name = %input.name,
+            id = ?input.id,
             "tool call start",
         );
 
+        let (resolved_name, resolved_folder): (String, Option<String>) =
+            if let Some(ref id_str) = input.id {
+                let eid = parse_uuid(id_str)?;
+                let entry = resolve_entry_by_id(&self.pool, eid, user_id)
+                    .await
+                    .map_err(|e| mcp_err_internal_logged("secrets_history", user_id, e))?;
+                (entry.name, Some(entry.folder))
+            } else {
+                (input.name.clone(), input.folder.clone())
+            };
+
         let result = svc_history(
             &self.pool,
-            &input.name,
+            &resolved_name,
-            input.folder.as_deref(),
+            resolved_folder.as_deref(),
             input.limit.unwrap_or(20),
             user_id,
         )
@@ -673,7 +877,8 @@ impl SecretsService {
 
     #[tool(
         description = "Rollback an entry to a previous version. Requires X-Encryption-Key header. \
-        Omit to_version to restore the most recent snapshot.",
+        Omit to_version to restore the most recent snapshot. \
+        Optionally pass 'id' (from secrets_find) to target directly.",
         annotations(title = "Rollback Secret Entry", destructive_hint = true)
     )]
     async fn secrets_rollback(
@@ -687,14 +892,26 @@ impl SecretsService {
             tool = "secrets_rollback",
             ?user_id,
             name = %input.name,
+            id = ?input.id,
             to_version = input.to_version,
             "tool call start",
         );
 
+        let (resolved_name, resolved_folder): (String, Option<String>) =
+            if let Some(ref id_str) = input.id {
+                let eid = parse_uuid(id_str)?;
+                let entry = resolve_entry_by_id(&self.pool, eid, Some(user_id))
+                    .await
+                    .map_err(|e| mcp_err_internal_logged("secrets_rollback", Some(user_id), e))?;
+                (entry.name, Some(entry.folder))
+            } else {
+                (input.name.clone(), input.folder.clone())
+            };
+
         let result = svc_rollback(
             &self.pool,
-            &input.name,
+            &resolved_name,
-            input.folder.as_deref(),
+            resolved_folder.as_deref(),
             input.to_version,
             &user_key,
             Some(user_id),
@@ -784,7 +1001,10 @@ impl SecretsService {
     #[tool(
         description = "Build the environment variable map from entry secrets with decrypted \
         plaintext values. Requires X-Encryption-Key header. \
-        Returns a JSON object of VAR_NAME -> plaintext_value ready for injection.",
+        Returns a JSON object of VAR_NAME -> plaintext_value ready for injection. \
+        Variable names follow the pattern UPPER(entry_name)_UPPER(field_name), \
+        with hyphens and dots replaced by underscores. \
+        Example: entry 'aliyun', field 'access_key_id' → ALIYUN_ACCESS_KEY_ID.",
         annotations(title = "Build Env Map", read_only_hint = true, idempotent_hint = true)
     )]
     async fn secrets_env_map(
@@ -830,6 +1050,67 @@ impl SecretsService {
         let json = serde_json::to_string_pretty(&env_map).unwrap_or_default();
         Ok(CallToolResult::success(vec![Content::text(json)]))
     }
+
+    #[tool(
+        description = "Get an overview of the secrets store: counts of entries per folder and \
+        per type. Requires Bearer API key. Useful for exploring the store structure.",
+        annotations(
+            title = "Secrets Overview",
+            read_only_hint = true,
+            idempotent_hint = true
+        )
+    )]
+    async fn secrets_overview(
+        &self,
+        Parameters(_input): Parameters<OverviewInput>,
+        ctx: RequestContext<RoleServer>,
+    ) -> Result<CallToolResult, rmcp::ErrorData> {
+        let t = Instant::now();
+        let user_id = Self::require_user_id(&ctx)?;
+        tracing::info!(tool = "secrets_overview", ?user_id, "tool call start");
+
+        #[derive(sqlx::FromRow)]
+        struct CountRow {
+            name: String,
+            count: i64,
+        }
+
+        let folder_rows: Vec<CountRow> = sqlx::query_as(
+            "SELECT folder AS name, COUNT(*) AS count FROM entries \
+             WHERE user_id = $1 GROUP BY folder ORDER BY folder",
+        )
+        .bind(user_id)
+        .fetch_all(&*self.pool)
+        .await
+        .map_err(|e| mcp_err_internal_logged("secrets_overview", Some(user_id), e))?;
+
+        let type_rows: Vec<CountRow> = sqlx::query_as(
+            "SELECT type AS name, COUNT(*) AS count FROM entries \
+             WHERE user_id = $1 GROUP BY type ORDER BY type",
+        )
+        .bind(user_id)
+        .fetch_all(&*self.pool)
+        .await
+        .map_err(|e| mcp_err_internal_logged("secrets_overview", Some(user_id), e))?;
+
+        let total: i64 = folder_rows.iter().map(|r| r.count).sum();
+
+        let result = serde_json::json!({
+            "total": total,
+            "folders": folder_rows.iter().map(|r| serde_json::json!({"name": r.name, "count": r.count})).collect::<Vec<_>>(),
+            "types": type_rows.iter().map(|r| serde_json::json!({"name": r.name, "count": r.count})).collect::<Vec<_>>(),
+        });
+
+        tracing::info!(
+            tool = "secrets_overview",
+            ?user_id,
+            total,
+            elapsed_ms = t.elapsed().as_millis(),
+            "tool call ok",
+        );
+        let json = serde_json::to_string_pretty(&result).unwrap_or_default();
+        Ok(CallToolResult::success(vec![Content::text(json)]))
+    }
 }
 
 // ── ServerHandler ─────────────────────────────────────────────────────────────
@@ -846,11 +1127,11 @@ impl ServerHandler for SecretsService {
         info.protocol_version = ProtocolVersion::V_2025_06_18;
         info.instructions = Some(
             "Manage cross-device secrets and configuration securely. \
-             Data is encrypted with your passphrase-derived key. \
+             Use secrets_find to discover entries by folder, name, type, tags, or query \
-             Include your 64-char hex key in the X-Encryption-Key header for all read/write operations. \
+             (query also searches metadata values). \
-             Use secrets_search to discover entries (Bearer token required; encryption key not needed), \
+             Use secrets_get with the entry id (from secrets_find) to decrypt secret values. \
-             secrets_get to decrypt secret values, \
+             Use secrets_add / secrets_update to write entries. \
-             and secrets_add/secrets_update to write encrypted secrets."
+             Use secrets_overview for a quick count of entries per folder and type."
                 .to_string(),
         );
         info