n8n-mcp

README.md

@@ -6,15 +6,16 @@ This repository provides Nix derivations for MCP (Model Context Protocol) server
 
 ## Available Packages
 
-| Package                         | Description                                                      | Language   |
+| Package                      | Description                                                   | Language   |
-|---------------------------------|------------------------------------------------------------------|------------|
+|------------------------------|---------------------------------------------------------------|------------|
-| academic-search-mcp-server      | Search academic papers via Semantic Scholar and Crossref         | Python     |
+| academic-search-mcp-server   | Search academic papers via Semantic Scholar and Crossref      | Python     |
-| duckduckgo-mcp-server           | Web search and content fetching via DuckDuckGo                  | Python     |
+| duckduckgo-mcp-server        | Web search and content fetching via DuckDuckGo                | Python     |
-| kindly-web-search-mcp-server    | Web search + content retrieval via Serper, Tavily, or SearXNG   | Python     |
+| kindly-web-search-mcp-server | Web search + content retrieval via Serper, Tavily, or SearXNG | Python     |
-| manim-mcp-server                | Execute Manim animation code and return videos                  | Python     |
+| manim-mcp-server             | Execute Manim animation code and return videos                | Python     |
-| pdf-reader-mcp                  | Production‑ready PDF processing with parallel processing        | TypeScript |
+| n8n-mcp                      | AI access to n8n node docs and workflow management            | TypeScript |
-| rust-research-mcp               | Accumulate and organize academic knowledge                       | Rust       |
+| pdf-reader-mcp               | Production‑ready PDF processing with parallel processing      | TypeScript |
-| zotero-mcp                      | Connect Zotero research library with AI assistants              | Python     |
+| rust-research-mcp            | Accumulate and organize academic knowledge                    | Rust       |
+| zotero-mcp                   | Connect Zotero research library with AI assistants            | Python     |
 
 ## Usage
 

flake.lock

@@ -82,17 +82,17 @@
         "nixpkgs": "nixpkgs_2"
       },
       "locked": {
-        "lastModified": 1770110471,
+        "lastModified": 1770246631,
-        "narHash": "sha256-oAbwoCzhq/skEKzaPTtzCh1Eix2fwfsE2aJmpJZZhx8=",
+        "narHash": "sha256-a44ePXknnnWC7B3r8D4XgvypAdJ0hSfkBXuvRC/3j7M=",
         "ref": "refs/heads/main",
-        "rev": "9cfc57d6a605466ed9a359abcaee86b4ec9f62e0",
+        "rev": "fc658b4112f5d924a038d5a3699eae3917371654",
-        "revCount": 2,
+        "revCount": 6,
         "type": "git",
-        "url": "ssh://gitea@gitea.bueso.eu/luis/jailed-agents"
+        "url": "https://gitea@gitea.bueso.eu/luis/jailed-agents"
       },
       "original": {
         "type": "git",
-        "url": "ssh://gitea@gitea.bueso.eu/luis/jailed-agents"
+        "url": "https://gitea@gitea.bueso.eu/luis/jailed-agents"
       }
     },
     "llm-agents": {

opencode.json

@@ -46,6 +46,17 @@
       "type": "local",
       "command": ["duckduckgo-mcp-server"],
       "enabled": true
+    },
+    "n8n-mcp": {
+      "type": "local",
+      "command": ["n8n-mcp"],
+      "enabled": true,
+      "environment": {
+        "MCP_MODE": "stdio",
+        "LOG_LEVEL": "error",
+        "DISABLE_CONSOLE_OUTPUT": "true",
+        "N8N_MCP_TELEMETRY_DISABLED": "true"
+      }
     }
   }
 }

packages/default.nix

@@ -18,5 +18,6 @@
   kindly-web-search-mcp-server = pkgs.callPackage ./kindly-web-search-mcp-server/package.nix { };
   rust-research-mcp = pkgs.callPackage ./rust-research-mcp/package.nix { };
   duckduckgo-mcp-server = pkgs.callPackage ./duckduckgo-mcp-server/package.nix { };
+  n8n-mcp = pkgs.callPackage ./n8n-mcp/package.nix { };
   # example-mcp-server = pkgs.callPackage ./example-mcp-server/package.nix { };
 }

packages/n8n-mcp/package.nix

@@ -0,0 +1,46 @@
+{
+  lib,
+  buildNpmPackage,
+  fetchzip,
+  makeWrapper,
+  python3,
+}:
+
+buildNpmPackage rec {
+  pname = "n8n-mcp";
+  version = "2.35.1";
+
+  src = fetchzip {
+    url = "https://registry.npmjs.org/${pname}/-/${pname}-${version}.tgz";
+    hash = "sha256-CWHH1ACcMCWkLahV5fTO0/k5OtfVUKNldHseDP8EfEk=";
+  };
+
+  npmDepsHash = "sha256-x9ziuYxZPQMqkB2HA4HmGkpge7NGp9t4t4aNTi0XXn4=";
+
+  postPatch = ''
+    cp ${./package-lock.json} package-lock.json
+  '';
+
+  # dist/ and data/ are already built in the npm tarball
+  dontNpmBuild = true;
+
+  # better-sqlite3 needs python3 for node-gyp
+  nativeBuildInputs = [
+    makeWrapper
+    python3
+  ];
+
+  # Disable telemetry by default in Nix builds
+  postInstall = ''
+    wrapProgram $out/bin/${pname} \
+      --set N8N_MCP_TELEMETRY_DISABLED "true"
+  '';
+
+  meta = with lib; {
+    description = "MCP server providing AI assistants with access to n8n node documentation and workflow management";
+    homepage = "https://github.com/czlonkowski/n8n-mcp";
+    license = licenses.mit;
+    mainProgram = pname;
+    platforms = platforms.all;
+  };
+}