diff --git a/extensions/firecrawl/src/firecrawl-scrape-tool.ts b/extensions/firecrawl/src/firecrawl-scrape-tool.ts
index 7efffb5cc7c5..00bd20ce1948 100644
--- a/extensions/firecrawl/src/firecrawl-scrape-tool.ts
+++ b/extensions/firecrawl/src/firecrawl-scrape-tool.ts
@@ -2,7 +2,8 @@ import { optionalStringEnum } from "openclaw/plugin-sdk/channel-actions";
 import type { OpenClawPluginApi } from "openclaw/plugin-sdk/plugin-runtime";
 import {
   jsonResult,
-  readNumberParam,
+  readNonNegativeIntegerParam,
+  readPositiveIntegerParam,
   readStringParam,
 } from "openclaw/plugin-sdk/provider-web-search";
 import { Type } from "typebox";
@@ -60,11 +61,9 @@ export function createFirecrawlScrapeTool(api: OpenClawPluginApi) {
       const url = readStringParam(rawParams, "url", { required: true });
       const extractMode =
         readStringParam(rawParams, "extractMode") === "text" ? "text" : "markdown";
-      const maxChars = readNumberParam(rawParams, "maxChars", { positiveInteger: true });
-      const maxAgeMs = readNumberParam(rawParams, "maxAgeMs", { nonNegativeInteger: true });
-      const timeoutSeconds = readNumberParam(rawParams, "timeoutSeconds", {
-        positiveInteger: true,
-      });
+      const maxChars = readPositiveIntegerParam(rawParams, "maxChars");
+      const maxAgeMs = readNonNegativeIntegerParam(rawParams, "maxAgeMs");
+      const timeoutSeconds = readPositiveIntegerParam(rawParams, "timeoutSeconds");
       const proxyRaw = readStringParam(rawParams, "proxy");
       const proxy =
         proxyRaw === "basic" || proxyRaw === "stealth" || proxyRaw === "auto"
diff --git a/extensions/firecrawl/src/firecrawl-search-tool.ts b/extensions/firecrawl/src/firecrawl-search-tool.ts
index a64c09f3e48f..e23850f2b434 100644
--- a/extensions/firecrawl/src/firecrawl-search-tool.ts
+++ b/extensions/firecrawl/src/firecrawl-search-tool.ts
@@ -1,7 +1,7 @@
 import type { OpenClawPluginApi } from "openclaw/plugin-sdk/plugin-runtime";
 import {
   jsonResult,
-  readNumberParam,
+  readPositiveIntegerParam,
   readStringArrayParam,
   readStringParam,
 } from "openclaw/plugin-sdk/provider-web-search";
@@ -52,10 +52,11 @@ export function createFirecrawlSearchTool(api: OpenClawPluginApi) {
     parameters: FirecrawlSearchToolSchema,
     execute: async (_toolCallId: string, rawParams: Record<string, unknown>) => {
       const query = readStringParam(rawParams, "query", { required: true });
-      const count = readNumberParam(rawParams, "count", { positiveInteger: true });
-      const timeoutSeconds = readNumberParam(rawParams, "timeoutSeconds", {
-        positiveInteger: true,
+      const count = readPositiveIntegerParam(rawParams, "count", {
+        max: 10,
+        message: "count must be an integer from 1 to 10",
       });
+      const timeoutSeconds = readPositiveIntegerParam(rawParams, "timeoutSeconds");
       const sources = readStringArrayParam(rawParams, "sources");
       const categories = readStringArrayParam(rawParams, "categories");
       const scrapeResults = rawParams.scrapeResults === true;
diff --git a/extensions/firecrawl/src/firecrawl-tools.test.ts b/extensions/firecrawl/src/firecrawl-tools.test.ts
index 8c75a0f5d698..bb1b5a3b5497 100644
--- a/extensions/firecrawl/src/firecrawl-tools.test.ts
+++ b/extensions/firecrawl/src/firecrawl-tools.test.ts
@@ -489,47 +489,52 @@ describe("firecrawl tools", () => {
     });
   });
 
-  it("drops malformed numeric Firecrawl tool options", async () => {
+  it("rejects malformed numeric Firecrawl search options before dispatch", async () => {
     const searchTool = createFirecrawlSearchTool({
       config: { env: "test" },
     } as never);
-    await searchTool.execute("call-search", {
-      query: "web search",
-      count: 6.5,
-      timeoutSeconds: Number.POSITIVE_INFINITY,
-    });
 
-    expect(runFirecrawlSearch).toHaveBeenLastCalledWith({
-      cfg: { env: "test" },
-      query: "web search",
-      count: undefined,
-      timeoutSeconds: undefined,
-      sources: undefined,
-      categories: undefined,
-      scrapeResults: false,
-    });
+    await expect(
+      searchTool.execute("call-search", {
+        query: "web search",
+        count: 6.5,
+      }),
+    ).rejects.toThrow("count must be an integer from 1 to 10");
+    await expect(
+      searchTool.execute("call-search-timeout", {
+        query: "web search",
+        timeoutSeconds: Number.POSITIVE_INFINITY,
+      }),
+    ).rejects.toThrow("timeoutSeconds must be a positive integer");
 
+    expect(runFirecrawlSearch).not.toHaveBeenCalled();
+  });
+
+  it("rejects malformed numeric Firecrawl scrape options before dispatch", async () => {
     const scrapeTool = createFirecrawlScrapeTool({
       config: { env: "test" },
     } as never);
-    await scrapeTool.execute("call-scrape", {
-      url: "https://docs.openclaw.ai",
-      maxChars: 1500.5,
-      maxAgeMs: -1,
-      timeoutSeconds: 22.5,
-    });
 
-    expect(runFirecrawlScrape).toHaveBeenLastCalledWith({
-      cfg: { env: "test" },
-      url: "https://docs.openclaw.ai",
-      extractMode: "markdown",
-      maxChars: undefined,
-      onlyMainContent: undefined,
-      maxAgeMs: undefined,
-      proxy: undefined,
-      storeInCache: undefined,
-      timeoutSeconds: undefined,
-    });
+    await expect(
+      scrapeTool.execute("call-scrape-max-chars", {
+        url: "https://docs.openclaw.ai",
+        maxChars: 1500.5,
+      }),
+    ).rejects.toThrow("maxChars must be a positive integer");
+    await expect(
+      scrapeTool.execute("call-scrape-max-age", {
+        url: "https://docs.openclaw.ai",
+        maxAgeMs: -1,
+      }),
+    ).rejects.toThrow("maxAgeMs must be a non-negative integer");
+    await expect(
+      scrapeTool.execute("call-scrape-timeout", {
+        url: "https://docs.openclaw.ai",
+        timeoutSeconds: 22.5,
+      }),
+    ).rejects.toThrow("timeoutSeconds must be a positive integer");
+
+    expect(runFirecrawlScrape).not.toHaveBeenCalled();
   });
 
   it("passes text mode through and ignores invalid proxy values", async () => {
diff --git a/src/plugin-sdk/provider-web-search.ts b/src/plugin-sdk/provider-web-search.ts
index 9f5a42a03fe1..12dceaa00d8d 100644
--- a/src/plugin-sdk/provider-web-search.ts
+++ b/src/plugin-sdk/provider-web-search.ts
@@ -9,6 +9,7 @@ import type {
 } from "../plugins/types.js";
 export {
   jsonResult,
+  readNonNegativeIntegerParam,
   readNumberParam,
   readPositiveIntegerParam,
   readStringArrayParam,