diff --git a/profile/build/build-catalog.py b/profile/build/build-catalog.py
index 7afdc07..4f34666 100755
--- a/profile/build/build-catalog.py
+++ b/profile/build/build-catalog.py
@@ -61,7 +61,7 @@
 _spec.loader.exec_module(_validate_repo_meta)
 
 
-# ----- the canonical TIER_1 + TIER_2 + TIER_3 list (nine onboarded repos) ---
+# ----- the canonical TIER_1 + TIER_2 + TIER_3 list (ten onboarded repos) ---
 
 TIER_1 = [
     "https://raw.githubusercontent.com/m-dev-tools/m-cli/main/dist/repo.meta.json",
@@ -79,6 +79,7 @@
     "https://raw.githubusercontent.com/m-dev-tools/tree-sitter-m-vscode/main/dist/repo.meta.json",
     "https://raw.githubusercontent.com/m-dev-tools/m-stdlib-vscode/main/dist/repo.meta.json",
     "https://raw.githubusercontent.com/m-dev-tools/m-cli-extras/main/dist/repo.meta.json",
+    "https://raw.githubusercontent.com/m-dev-tools/m-dev-tools-mcp/main/dist/repo.meta.json",
 ]
 
 # Top-level keys we copy from the prior tools.json verbatim. These hold
diff --git a/profile/llms.txt b/profile/llms.txt
index 157c65b..dc99e36 100644
--- a/profile/llms.txt
+++ b/profile/llms.txt
@@ -18,6 +18,10 @@
 - [m-standard](https://github.com/m-dev-tools/m-standard/blob/main/AGENTS.md): language reference data (grammar, tokens)
 - [tree-sitter-m](https://github.com/m-dev-tools/tree-sitter-m/blob/main/AGENTS.md): parser / AST
 
+## Agent integration
+
+- [m-dev-tools-mcp](https://github.com/m-dev-tools/m-dev-tools-mcp/blob/main/AGENTS.md): MCP server wrapping this catalog — `route_intent` / `describe` / `verify`
+
 ## Guardrails
 
 - Do not invent STD* APIs or `m` subcommands; route the gap to the owning repo.
diff --git a/profile/task_index.json b/profile/task_index.json
index edf3860..10e26c6 100644
--- a/profile/task_index.json
+++ b/profile/task_index.json
@@ -272,6 +272,12 @@
         "intent": "Validate against VistA's 39,330-routine corpus",
         "primary": "tool:tree-sitter-m",
         "see_also": ["cmd:m-cli#lint"]
+      },
+      "agent_integration": {
+        "intent": "Point my MCP-capable agent at the m-dev-tools catalog",
+        "primary": "tool:m-dev-tools-mcp",
+        "see_also": ["cmd:m-cli#doctor", "doc:m-dev-tools#ai-discoverability-plan"],
+        "doc": "https://github.com/m-dev-tools/m-dev-tools-mcp/blob/main/examples/claude-code/README.md"
       }
     },
 
diff --git a/profile/tools.json b/profile/tools.json
index 1ce46c0..f24dad9 100644
--- a/profile/tools.json
+++ b/profile/tools.json
@@ -42,6 +42,7 @@
       "commands_url": "https://raw.githubusercontent.com/m-dev-tools/m-cli/main/dist/commands.json",
       "consumed_by": [
         "tool:m-cli-extras",
+        "tool:m-dev-tools-mcp",
         "tool:tree-sitter-m-vscode"
       ],
       "consumes": [
@@ -76,6 +77,24 @@
       "status": "active",
       "verified_on": "2026-05-10"
     },
+    "m-dev-tools-mcp": {
+      "agent_instructions": "https://github.com/m-dev-tools/m-dev-tools-mcp/blob/main/AGENTS.md",
+      "consumes": [
+        "tool:m-cli",
+        "tool:m-stdlib",
+        "tool:m-standard"
+      ],
+      "id": "tool:m-dev-tools-mcp",
+      "language": "python",
+      "license": "AGPL-3.0",
+      "mcp_tools_url": "https://raw.githubusercontent.com/m-dev-tools/m-dev-tools-mcp/main/dist/mcp-tools.json",
+      "release_wheel_url": "https://github.com/m-dev-tools/m-dev-tools-mcp/releases/download/v0.1.0/m_dev_tools_mcp-0.1.0-py3-none-any.whl",
+      "repo": "https://github.com/m-dev-tools/m-dev-tools-mcp",
+      "repo_meta_url": "https://raw.githubusercontent.com/m-dev-tools/m-dev-tools-mcp/main/dist/repo.meta.json",
+      "role": "MCP server wrapping the m-dev-tools org catalog as route_intent / describe / verify tools",
+      "status": "active",
+      "verified_on": "2026-05-11"
+    },
     "m-modern-corpus": {
       "agent_instructions": "https://github.com/m-dev-tools/m-modern-corpus/blob/main/AGENTS.md",
       "id": "tool:m-modern-corpus",
@@ -95,6 +114,7 @@
       "commands_url": "https://raw.githubusercontent.com/m-dev-tools/m-standard/main/integrated/commands.tsv",
       "consumed_by": [
         "tool:m-cli",
+        "tool:m-dev-tools-mcp",
         "tool:tree-sitter-m"
       ],
       "errors_url": "https://raw.githubusercontent.com/m-dev-tools/m-standard/main/integrated/errors.tsv",
@@ -117,6 +137,7 @@
     "m-stdlib": {
       "agent_instructions": "https://github.com/m-dev-tools/m-stdlib/blob/main/AGENTS.md",
       "consumed_by": [
+        "tool:m-dev-tools-mcp",
         "tool:m-stdlib-vscode"
       ],
       "consumes": [