--- title: "Connect Langfuse and SEMrush - APIANT.ai" description: "When \"New Trace\" fires in Langfuse, your agent runs \"Create Project\" in SEMrush, or \"Completed Site Audit\" in SEMrush to \"Add Comment\" in Langfuse." canonical: "https://apiant.ai/connect/langfuse-to-semrush" --- # Connect Langfuse and SEMrush When **New Trace** fires in [Langfuse](https://apiant.ai/connections/langfuse), your agent runs **Create Project** in [SEMrush](https://apiant.ai/connections/semrush), or **Completed Site Audit** in SEMrush to **Add Comment** in Langfuse. Describe the whole flow and it is built, tested on every scenario and kept running. Langfuse **1** trigger Langfuse **14** actions SEMrush **1** trigger SEMrush **6** actions What the catalog holds today. Ask for anything missing and your agent reads the API documentation and adds it. ## What do you want Langfuse and SEMrush to do together? Give your AI client this address. `https://mcp.apiant.ai` One connection does both: ask your client to act in an app once, or have it build an automation that keeps running. Any client that takes a remote MCP server. Nothing to install. Create your free account, then sign in once in your browser. ### Set it up in your client ### Claude Code Run this in the directory you want to work in. `claude mcp add --transport http -s project apiant-ai https://mcp.apiant.ai` Start Claude Code there, approve the server, and sign in in the browser page it opens. [Claude Code guide (opens in a new tab)](https://apiant.ai/docs/mcp/claude-code) ### Claude, web and desktop Open Customize, then Connectors, then Add custom connector, and paste the address. On Team and Enterprise an owner adds it first. [Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp) ### Cursor Add the address to your MCP configuration as a server URL. Cursor signs you in in your browser. [Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp) ### Zed Open Settings, then AI, then MCP Servers, then Add Server, then Add Remote Server. [Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp) ### Codex and the ChatGPT desktop app Open Settings, then MCP servers, then Add server, and choose Streamable HTTP. From the terminal, Codex takes the address with its own add command and then signs you in. [Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp) ### Any other MCP client Paste the address where the client asks for a remote MCP server URL, and name the server apiant-ai where it lets you. APIANT's skills reach the client over the same connection. [Setup guide (opens in a new tab)](https://apiant.ai/docs/mcp) Example flows ## What Langfuse and SEMrush can do together ### From Langfuse to SEMrush - When **New Trace** in Langfuse then **Create Project** in SEMrush - When **New Trace** in Langfuse then **List Projects** in SEMrush ### From SEMrush to Langfuse - When **Completed Site Audit** in SEMrush then **Add Comment** in Langfuse - When **Completed Site Audit** in SEMrush then **Add Dataset Item** in Langfuse Starting points drawn from the triggers and actions in the catalog today. Describe the flow you need, at any depth, and your agent builds it and tests every scenario before it ships. Everything your agent can do with Langfuse and SEMrush ## Triggers and actions 2 triggers · 20 actions - Trigger **New Trace** Polling trigger: fires for newly created traces (dedup by trace id / timestamp). - Action **Add Comment** Add a comment to a trace/observation/session/prompt object. - Action **Add Dataset** Create a new dataset. - Action **Add Dataset Item** Create an item (input/expected_output/metadata) in a dataset. - Action **Add Prompt** Create a new prompt version (text or chat). - Action **Add Score** Create a score attached to a trace/observation/session (numeric, categorical, or boolean). - Action **Delete Trace** Delete a trace by id. - Action **Get Project** Reads the Langfuse project that the connection's project-scoped API key belongs to. - Action **Get Prompt** Get a prompt by name (and optional version/label). - Action **Get Trace** Get a single trace by id, including nested observations/scores. - Action **List Dataset Items** List items in a dataset. - Action **List Datasets** List all datasets in the project. - Action **List Prompts** List all prompts in the project. - Action **List Scores** List scores with optional filters. - Action **List Traces** List traces with optional filters (user, session, tags, timerange). - Trigger **Completed Site Audit** Triggers when a Site Audit finishes for a project, giving the new snapshot ID and finish time. - Action **Create Project** Creates a new Semrush project for a website and returns its project ID. - Action **Get Overview Report** Returns the overview report of one Site Audit snapshot: site health score and the errors, warnings and notices found. - Action **Get Site Audit Campaign Info** Returns the Site Audit campaign summary for a project: status, error/warning/notice counts, pages crawled and audit dates. - Action **List Projects** Returns all Semrush projects in your account, with each project's ID, name and website. - Action **List Site Audit Snapshots** Returns the finished Site Audit snapshots for a project, each with its snapshot ID and finish time. - Action **Re-Crawl a Site Audit Campaign** Starts a new Site Audit crawl for an existing campaign and returns the new snapshot ID. ## Each app on its own - [ **Langfuse** Langfuse is an open-source LLM engineering platform (GitHub) that helps teams collaboratively debug...](https://apiant.ai/connections/langfuse) - [ **SEMrush** Semrush is an All-in-one Marketing Toolkit for digital marketing professionals.](https://apiant.ai/connections/semrush) Reviews ## What our customers say ## More from Langfuse - [ **Langfuse to 5DollarFootball** Football fixtures, results, standings and historical odds with corner and card lines](https://apiant.ai/connect/langfuse-to-5dollarfootball) - [ **Langfuse to Cloudflare Trace** Cloudflare Trace is a free JSON wrapper over Cloudflare's edge trace endpoint that reports what Cloudflare...](https://apiant.ai/connect/langfuse-to-cloudflare-trace) - [ **Langfuse to PaperClean** Clean document photos for printing, remove shadows, fix lighting](https://apiant.ai/connect/langfuse-to-paperclean) - [ **Langfuse to Postman** Postman is a platform for building and testing APIs.](https://apiant.ai/connect/langfuse-to-postman) - [ **Langfuse to Rendobar** Hosted media processing over REST: transcode, caption, watermark video](https://apiant.ai/connect/langfuse-to-rendobar) - [ **Langfuse to Runpod** Cloud GPU platform for renting on-demand compute to train and deploy AI models, including serverless...](https://apiant.ai/connect/langfuse-to-runpod) ## More into SEMrush - [ **HubSpot to SEMrush** HubSpot is your all-in-one stop for all of your marketing software needs.](https://apiant.ai/connect/hubspot-to-semrush) - [ **Salesforce to SEMrush** Salesforce is a leading enterprise customer relationship management (CRM) platform.](https://apiant.ai/connect/salesforce-to-semrush) - [ **Google Sheets to SEMrush** Google Sheets is Google's online spreadsheet app for creating, editing and sharing spreadsheets.](https://apiant.ai/connect/google-sheets-to-semrush) - [ **Gmail to SEMrush** Gmail is Google’s email service, featuring spam protection, search functions, and seamless integration with...](https://apiant.ai/connect/gmail-to-semrush) - [ **Google Calendar to SEMrush** Google Calendar is a time management tool providing scheduling features, event reminders, and integration...](https://apiant.ai/connect/google-calendar-to-semrush) - [ **Google Drive to SEMrush** Google Drive is a cloud storage solution for uploading, sharing, and collaborating on files across devices...](https://apiant.ai/connect/google-drive-to-semrush) Questions ## Langfuse and SEMrush, answered ### ### What can start an automation from Langfuse? Any of Langfuse's 1 trigger in the catalog, including New Trace. Describe the moment in plain language and your agent picks the right one. ### ### What can your agent do in SEMrush when something happens in Langfuse? Any of SEMrush's 6 actions, including Create Project, Get Overview Report, Get Site Audit Campaign Info and List Projects. Your agent maps the data both ways and tests every scenario before it ships. ### ### Can it also run from SEMrush to Langfuse? Yes. When something happens in SEMrush, your agent can act in Langfuse too. This page covers both directions: SEMrush's triggers and Langfuse's actions are listed here as well. ### ### Do I have to build a connector for Langfuse or SEMrush? No. Both are in the catalog with their triggers and actions. You describe the automation; your agent builds it, tests every scenario and keeps it running. ### ### Can my AI client use Langfuse and SEMrush without building an automation? Yes. With your AI client connected to APIANT, ask it to do something in either app once and it runs that action on the spot. Ask for an automation and your agent builds it, tests every scenario and keeps it running. One connection covers both. ### ### What happens when something fails? Your agent works that out for you. It plans the failure paths along with the happy path, then tests every scenario before it ships. ### ### Is there a free plan? Yes. Every plan includes the agent, including free, and building from your own AI client spends no assistant credits.