diff --git a/slash-commands/README.md b/slash-commands/README.md
index be8a157..6dadcc4 100644
--- a/slash-commands/README.md
+++ b/slash-commands/README.md
@@ -11,7 +11,9 @@ Listens for PR comments and push events, then:
 - **`/lgtm`** — **core maintainers only** (`always-allow-teams`). Adds an
   `accepted` label, submits an **APPROVE** review on behalf of the commenter,
   and **enables auto-merge**. The PR merges automatically once all required
-  checks pass. CODEOWNERS does _not_ grant `/lgtm` authorization.
+  checks pass. CODEOWNERS does _not_ grant `/lgtm` authorization. Optionally
+  removes staging labels (`remove-labels-on-accept`) and moves the PR to an
+  _Accepted_ status in a configured org Project (`project-number`).
 - **`/lgtm cancel`** — removes the `accepted` label, dismisses the approval,
   and disables auto-merge.
 - **`/lgtm force`** — same as `/lgtm`, but **only** members of
@@ -215,6 +217,10 @@ jobs:
 | `submit-review` | | `'true'` | Submit an APPROVE review alongside the label on `/lgtm`. Set `'false'` to use label only. |
 | `enable-auto-merge` | | `'true'` | Enable auto-merge after `/lgtm` (disabled on `/lgtm cancel` and push invalidation). Requires repo setting "Allow auto-merge". |
 | `auto-merge-method` | | `squash` | Merge method for auto-merge: `squash`, `merge`, or `rebase` |
+| `remove-labels-on-accept` | | _(empty)_ | Comma-separated label names to remove when `/lgtm` accepts (e.g. `in-review,draft,proposal`). Missing labels are ignored. |
+| `project-number` | | _(empty)_ | Org-level Project (V2) number to update on accept. Empty = disabled. Adds the PR to the project if not already present. Requires the App to have **Organization Projects: write**. |
+| `project-status-field` | | `Status` | Name of the single-select field to set on accept. |
+| `project-accepted-option` | | `Accepted` | Name of the option to set in the status field on accept. |
 | `stageblog-workflow` | | _(empty)_ | Workflow file name (e.g. `stage-blog.yml`) to dispatch when `/stageblog` is invoked. Empty = command disabled. The workflow must accept `pr_number` and `head_sha` string inputs. |
 | `stageblog-paths` | | `blog/**` | Comma-separated CODEOWNERS-style glob patterns. `/stageblog` is refused if no changed file matches. |
 
diff --git a/slash-commands/action.yml b/slash-commands/action.yml
index 6a5b58c..60794fd 100644
--- a/slash-commands/action.yml
+++ b/slash-commands/action.yml
@@ -66,6 +66,27 @@ inputs:
     description: Merge method for auto-merge — one of squash, merge, rebase
     required: false
     default: squash
+  remove-labels-on-accept:
+    description: >-
+      Comma-separated label names to remove from the PR when /lgtm accepts it
+      (e.g. in-review,draft,proposal). Missing labels are ignored.
+    required: false
+    default: ''
+  project-number:
+    description: >-
+      Org-level Project (V2) number to update when /lgtm accepts the PR. Leave
+      empty to disable project updates. The PR is added to the project if not
+      already present.
+    required: false
+    default: ''
+  project-status-field:
+    description: Name of the single-select field to set on accept
+    required: false
+    default: Status
+  project-accepted-option:
+    description: Name of the option to set in the status field on accept
+    required: false
+    default: Accepted
   stageblog-workflow:
     description: >-
       Workflow file name (e.g. stage-blog.yml) to dispatch when /stageblog is
@@ -108,6 +129,10 @@ runs:
         SUBMIT_REVIEW: ${{ inputs.submit-review }}
         ENABLE_AUTO_MERGE: ${{ inputs.enable-auto-merge }}
         AUTO_MERGE_METHOD: ${{ inputs.auto-merge-method }}
+        REMOVE_LABELS_ON_ACCEPT: ${{ inputs.remove-labels-on-accept }}
+        PROJECT_NUMBER: ${{ inputs.project-number }}
+        PROJECT_STATUS_FIELD: ${{ inputs.project-status-field }}
+        PROJECT_ACCEPTED_OPTION: ${{ inputs.project-accepted-option }}
         STAGEBLOG_WORKFLOW: ${{ inputs.stageblog-workflow }}
         STAGEBLOG_PATHS: ${{ inputs.stageblog-paths }}
       with:
diff --git a/slash-commands/main.js b/slash-commands/main.js
index 218d4b6..3c314e2 100644
--- a/slash-commands/main.js
+++ b/slash-commands/main.js
@@ -15,6 +15,11 @@ module.exports = async ({ github, context, core }) => {
   const submitReview = process.env.SUBMIT_REVIEW === 'true';
   const autoMerge = process.env.ENABLE_AUTO_MERGE === 'true';
   const autoMergeMethod = process.env.AUTO_MERGE_METHOD.toUpperCase();
+  const removeLabelsOnAccept = process.env.REMOVE_LABELS_ON_ACCEPT
+    .split(',').map(s => s.trim()).filter(Boolean);
+  const projectNumber = parseInt(process.env.PROJECT_NUMBER, 10) || 0;
+  const projectStatusField = process.env.PROJECT_STATUS_FIELD;
+  const projectAcceptedOption = process.env.PROJECT_ACCEPTED_OPTION;
   const reviewMarker = '<!-- slash-commands-lgtm -->';
 
   function setResult(result, actor) {
@@ -260,6 +265,62 @@ module.exports = async ({ github, context, core }) => {
       core.info(`Auto-merge disable skipped: ${e.message}`);
     }
   }
+  async function onAccept(prNumber, prNodeId) {
+    for (const label of removeLabelsOnAccept) {
+      await removeLabel(prNumber, label);
+    }
+    if (!projectNumber) return;
+    try {
+      const lookup = await github.graphql(
+        `query($org: String!, $num: Int!, $field: String!) {
+          organization(login: $org) {
+            projectV2(number: $num) {
+              id
+              field(name: $field) {
+                ... on ProjectV2SingleSelectField { id options { id name } }
+              }
+            }
+          }
+        }`,
+        { org: owner, num: projectNumber, field: projectStatusField },
+      );
+      const project = lookup.organization?.projectV2;
+      if (!project) {
+        return core.warning(`Project #${projectNumber} not found in org ${owner}`);
+      }
+      const field = project.field;
+      if (!field?.id) {
+        return core.warning(`Field '${projectStatusField}' not found (or not single-select) in project #${projectNumber}`);
+      }
+      const option = field.options.find(o => o.name === projectAcceptedOption);
+      if (!option) {
+        return core.warning(`Option '${projectAcceptedOption}' not found in field '${projectStatusField}'`);
+      }
+      // addProjectV2ItemById is idempotent — returns the existing item if
+      // the PR is already in the project.
+      const add = await github.graphql(
+        `mutation($proj: ID!, $pr: ID!) {
+          addProjectV2ItemById(input: {projectId: $proj, contentId: $pr}) {
+            item { id }
+          }
+        }`,
+        { proj: project.id, pr: prNodeId },
+      );
+      const itemId = add.addProjectV2ItemById.item.id;
+      await github.graphql(
+        `mutation($proj: ID!, $item: ID!, $field: ID!, $opt: String!) {
+          updateProjectV2ItemFieldValue(input: {
+            projectId: $proj, itemId: $item, fieldId: $field,
+            value: { singleSelectOptionId: $opt }
+          }) { projectV2Item { id } }
+        }`,
+        { proj: project.id, item: itemId, field: field.id, opt: option.id },
+      );
+      core.info(`Moved PR to '${projectAcceptedOption}' in project #${projectNumber}`);
+    } catch (e) {
+      core.warning(`Project update failed: ${e.message}. Ensure the GitHub App has Organization Projects:write permission.`);
+    }
+  }
 
   // --- Dispatch ---------------------------------------------------
   const ev = context.eventName;
@@ -315,6 +376,7 @@ module.exports = async ({ github, context, core }) => {
       return setResult('force-unauthorized', actor);
     }
     await addLabel(prNumber, approvedLabel);
+    await onAccept(prNumber, pr.node_id);
     if (submitReview) await submitApproval(prNumber, actor, true);
     await react(commentId, '+1');
     await enableAutoMerge(pr.node_id, prNumber);
@@ -385,6 +447,7 @@ module.exports = async ({ github, context, core }) => {
   // Execute
   if (cmd === 'lgtm' && !cancel) {
     await addLabel(prNumber, approvedLabel);
+    await onAccept(prNumber, pr.node_id);
     if (submitReview) await submitApproval(prNumber, actor);
     await react(commentId, '+1');
     await enableAutoMerge(pr.node_id, prNumber);