diff --git a/src/agents/tools/common.params.test.ts b/src/agents/tools/common.params.test.ts
index d93038cd606..32eb63d036e 100644
--- a/src/agents/tools/common.params.test.ts
+++ b/src/agents/tools/common.params.test.ts
@@ -48,6 +48,16 @@ describe("readNumberParam", () => {
     expect(readNumberParam(params, "messageId")).toBe(42);
   });
 
+  it("keeps partial parse behavior by default", () => {
+    const params = { messageId: "42abc" };
+    expect(readNumberParam(params, "messageId")).toBe(42);
+  });
+
+  it("rejects partial numeric strings when strict is enabled", () => {
+    const params = { messageId: "42abc" };
+    expect(readNumberParam(params, "messageId", { strict: true })).toBeUndefined();
+  });
+
   it("truncates when integer is true", () => {
     const params = { messageId: "42.9" };
     expect(readNumberParam(params, "messageId", { integer: true })).toBe(42);
diff --git a/src/agents/tools/common.ts b/src/agents/tools/common.ts
index d4b3bc9fc3b..19cca2d7927 100644
--- a/src/agents/tools/common.ts
+++ b/src/agents/tools/common.ts
@@ -129,9 +129,9 @@ export function readStringOrNumberParam(
 export function readNumberParam(
   params: Record<string, unknown>,
   key: string,
-  options: { required?: boolean; label?: string; integer?: boolean } = {},
+  options: { required?: boolean; label?: string; integer?: boolean; strict?: boolean } = {},
 ): number | undefined {
-  const { required = false, label = key, integer = false } = options;
+  const { required = false, label = key, integer = false, strict = false } = options;
   const raw = readParamRaw(params, key);
   let value: number | undefined;
   if (typeof raw === "number" && Number.isFinite(raw)) {
@@ -139,7 +139,7 @@ export function readNumberParam(
   } else if (typeof raw === "string") {
     const trimmed = raw.trim();
     if (trimmed) {
-      const parsed = Number.parseFloat(trimmed);
+      const parsed = strict ? Number(trimmed) : Number.parseFloat(trimmed);
       if (Number.isFinite(parsed)) {
         value = parsed;
       }
diff --git a/src/channels/plugins/actions/actions.test.ts b/src/channels/plugins/actions/actions.test.ts
index b369bcde768..a6e1e89fc2e 100644
--- a/src/channels/plugins/actions/actions.test.ts
+++ b/src/channels/plugins/actions/actions.test.ts
@@ -348,6 +348,25 @@ describe("handleDiscordMessageAction", () => {
         allowMultiselect: true,
       },
     },
+    {
+      name: "rejects partially numeric poll duration for discord poll adapter params",
+      input: {
+        action: "poll" as const,
+        params: {
+          to: "channel:123",
+          pollQuestion: "Ready?",
+          pollOption: ["Yes", "No"],
+          pollDurationHours: "24h",
+        },
+      },
+      expected: {
+        action: "poll",
+        to: "channel:123",
+        question: "Ready?",
+        answers: ["Yes", "No"],
+        durationHours: undefined,
+      },
+    },
     {
       name: "forwards accountId for thread replies",
       input: {
@@ -734,6 +753,30 @@ describe("telegramMessageActions", () => {
           accountId: undefined,
         },
       },
+      {
+        name: "poll rejects partially numeric duration strings before telegram action handoff",
+        action: "poll" as const,
+        params: {
+          to: "123",
+          pollQuestion: "Ready?",
+          pollOption: ["Yes", "No"],
+          pollDurationSeconds: "60s",
+        },
+        expectedPayload: {
+          action: "poll",
+          to: "123",
+          question: "Ready?",
+          answers: ["Yes", "No"],
+          allowMultiselect: undefined,
+          durationHours: undefined,
+          durationSeconds: undefined,
+          replyToMessageId: undefined,
+          messageThreadId: undefined,
+          isAnonymous: undefined,
+          silent: undefined,
+          accountId: undefined,
+        },
+      },
       {
         name: "topic-create maps to createForumTopic",
         action: "topic-create" as const,
diff --git a/src/channels/plugins/actions/discord/handle-action.ts b/src/channels/plugins/actions/discord/handle-action.ts
index 4484d2abd42..5b11246210a 100644
--- a/src/channels/plugins/actions/discord/handle-action.ts
+++ b/src/channels/plugins/actions/discord/handle-action.ts
@@ -91,6 +91,7 @@ export async function handleDiscordMessageAction(
     const allowMultiselect = readBooleanParam(params, "pollMulti");
     const durationHours = readNumberParam(params, "pollDurationHours", {
       integer: true,
+      strict: true,
     });
     return await handleDiscordAction(
       {
diff --git a/src/channels/plugins/actions/telegram.ts b/src/channels/plugins/actions/telegram.ts
index eba844fdc4b..6e55349698b 100644
--- a/src/channels/plugins/actions/telegram.ts
+++ b/src/channels/plugins/actions/telegram.ts
@@ -159,9 +159,11 @@ export const telegramMessageActions: ChannelMessageActionAdapter = {
       const answers = readStringArrayParam(params, "pollOption", { required: true });
       const durationHours = readNumberParam(params, "pollDurationHours", {
         integer: true,
+        strict: true,
       });
       const durationSeconds = readNumberParam(params, "pollDurationSeconds", {
         integer: true,
+        strict: true,
       });
       const replyToMessageId = readNumberParam(params, "replyTo", { integer: true });
       const messageThreadId = readNumberParam(params, "threadId", { integer: true });
diff --git a/src/infra/outbound/message-action-runner.ts b/src/infra/outbound/message-action-runner.ts
index 1c397f582e8..c703cd34d24 100644
--- a/src/infra/outbound/message-action-runner.ts
+++ b/src/infra/outbound/message-action-runner.ts
@@ -584,9 +584,11 @@ async function handlePollAction(ctx: ResolvedActionContext): Promise<MessageActi
   const isAnonymous = resolveTelegramPollVisibility({ pollAnonymous, pollPublic });
   const durationHours = readNumberParam(params, "pollDurationHours", {
     integer: true,
+    strict: true,
   });
   const durationSeconds = readNumberParam(params, "pollDurationSeconds", {
     integer: true,
+    strict: true,
   });
   const maxSelections = resolvePollMaxSelections(options.length, allowMultiselect);