Last9

by last9

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About

Integrates with Last9's observability platform to enable exception retrieval and service dependency analysis for efficient troubleshooting within monitoring environments.

Details

Author: last9
Repository: last9/last9-mcp-server
GitHub stars: 27
License: Apache License 2.0
Categories: Developer Tools, Infrastructure, Other, AI, Design, Search, Frontend
Tags: #analytics, #visualization

Setting up with Highlight

This MCP is not yet compatible with Highlight’s one-click setup. However, you can still use it with Highlight by following these steps:

Download and install Highlight from highlightai.com/download
Navigate to the plugins tab and select "Add Custom Plugin"
Configure the plugin with the settings below
Plugin Name Last9

Command (node, npx, python, etc.) /opt/homebrew/bin/last9-mcp
Environment
- LAST9_REFRESH_TOKEN <your_refresh_token>
Please refer to the README for specific instructions on how to obtain API keys or other required environment variables.
Enable "Start Automatically" if you want the plugin to start when Highlight launches

Setting up with Cursor

Open Cursor's settings
Navigate to the MCP section
Click "Add new Global MCP server"
Copy and paste the configuration below based on your operating system

JSON

{
    "mcpServers": {
        "last9": {
            "env": {
                "LAST9_REFRESH_TOKEN": "<your_refresh_token>"
            },
            "args": [],
            "command": "/opt/homebrew/bin/last9-mcp"
        }
    }
}

JSON

{
    "mcpServers": {
        "last9": {
            "env": {
                "LAST9_REFRESH_TOKEN": "<your_refresh_token>"
            },
            "args": [],
            "command": "C:\\Users\\<user>\\AppData\\Local\\Programs\\last9-mcp-server.exe"
        }
    }
}

JSON

{
    "mcpServers": {
        "last9": {
            "env": {
                "LAST9_REFRESH_TOKEN": "<your_refresh_token>"
            },
            "args": [],
            "command": "/opt/homebrew/bin/last9-mcp"
        }
    }
}

Setting up with Claude Desktop

Open Claude Desktop's settings
Go to the Integrations tab
Click "Add MCP Server"
Use the configuration below based on your operating system

Note: Make sure Claude Desktop is running before attempting to connect.

JSON

{
    "mcpServers": {
        "last9": {
            "env": {
                "LAST9_REFRESH_TOKEN": "<your_refresh_token>"
            },
            "args": [],
            "command": "/opt/homebrew/bin/last9-mcp"
        }
    }
}

JSON

{
    "mcpServers": {
        "last9": {
            "env": {
                "LAST9_REFRESH_TOKEN": "<your_refresh_token>"
            },
            "args": [],
            "command": "C:\\Users\\<user>\\AppData\\Local\\Programs\\last9-mcp-server.exe"
        }
    }
}

JSON

{
    "mcpServers": {
        "last9": {
            "env": {
                "LAST9_REFRESH_TOKEN": "<your_refresh_token>"
            },
            "args": [],
            "command": "/opt/homebrew/bin/last9-mcp"
        }
    }
}

Setting up with Windsurf

Open Windsurf's preferences
Go to the Integrations section
Click "Add MCP Integration"
Use the configuration below based on your operating system

JSON

{
    "mcpServers": {
        "last9": {
            "env": {
                "LAST9_REFRESH_TOKEN": "<your_refresh_token>"
            },
            "args": [],
            "command": "/opt/homebrew/bin/last9-mcp"
        }
    }
}

JSON

{
    "mcpServers": {
        "last9": {
            "env": {
                "LAST9_REFRESH_TOKEN": "<your_refresh_token>"
            },
            "args": [],
            "command": "C:\\Users\\<user>\\AppData\\Local\\Programs\\last9-mcp-server.exe"
        }
    }
}

JSON

{
    "mcpServers": {
        "last9": {
            "env": {
                "LAST9_REFRESH_TOKEN": "<your_refresh_token>"
            },
            "args": [],
            "command": "/opt/homebrew/bin/last9-mcp"
        }
    }
}

Setting up with Cline

Open Cline's settings
Navigate to the Integrations section
Click "Add MCP Server"
Copy and paste the configuration below based on your operating system

Note: Make sure to restart Cline after adding the configuration.

JSON

{
    "mcpServers": {
        "last9": {
            "env": {
                "LAST9_REFRESH_TOKEN": "<your_refresh_token>"
            },
            "args": [],
            "command": "/opt/homebrew/bin/last9-mcp"
        }
    }
}

JSON

{
    "mcpServers": {
        "last9": {
            "env": {
                "LAST9_REFRESH_TOKEN": "<your_refresh_token>"
            },
            "args": [],
            "command": "C:\\Users\\<user>\\AppData\\Local\\Programs\\last9-mcp-server.exe"
        }
    }
}

JSON

{
    "mcpServers": {
        "last9": {
            "env": {
                "LAST9_REFRESH_TOKEN": "<your_refresh_token>"
            },
            "args": [],
            "command": "/opt/homebrew/bin/last9-mcp"
        }
    }
}

Setting up with Goose

Open Goose's preferences
Go to the Integrations tab
Select "MCP Servers"
Click "Add New Server"
Use the configuration below based on your operating system

JSON

{
    "mcpServers": {
        "last9": {
            "env": {
                "LAST9_REFRESH_TOKEN": "<your_refresh_token>"
            },
            "args": [],
            "command": "/opt/homebrew/bin/last9-mcp"
        }
    }
}

JSON

{
    "mcpServers": {
        "last9": {
            "env": {
                "LAST9_REFRESH_TOKEN": "<your_refresh_token>"
            },
            "args": [],
            "command": "C:\\Users\\<user>\\AppData\\Local\\Programs\\last9-mcp-server.exe"
        }
    }
}

JSON

{
    "mcpServers": {
        "last9": {
            "env": {
                "LAST9_REFRESH_TOKEN": "<your_refresh_token>"
            },
            "args": [],
            "command": "/opt/homebrew/bin/last9-mcp"
        }
    }
}

From the repository

Homebrew:

brew install last9/tap/last9-mcp

NPM:

npm install -g @last9/mcp-server@latest Homebrew:

json
{
"mcpServers": {
"last9": {
"command": "/opt/homebrew/bin/last9-mcp",
"env": {
"LAST9_REFRESH_TOKEN": "<your_refresh_token>"
}
}
}
}

NPM:

json
{
"mcpServers": {
"last9": {
"command": "npx",
"args": ["-y", "@last9/mcp-server@latest"],
"env": {
"LAST9_REFRESH_TOKEN": "<your_refresh_token>"
}
}
}
}



Where to paste this:
| Client             | Location                                                                                                                                |

| ------------------ | --------------------------------------------------------------------------------------------------------------------------------------- |

| Claude Web/Desktop | Settings > Developer > Edit Config (claude_desktop_config.json)                                                                       |

| Cursor             | Settings > Cursor Settings > MCP > Add New Global MCP Server                                                                            |

| Windsurf           | Settings > Cascade > MCP Marketplace > gear icon (mcp_config.json)                                                                    |

| VS Code            | Wrap in { "mcp": { "servers": { ... } } } in settings.json — details |
<details>

<summary>VS Code STDIO config</summary>

json
{
"mcp": {
"servers": {
"last9": {
"type": "stdio",
"command": "/opt/homebrew/bin/last9-mcp",
"env": {
"LAST9_REFRESH_TOKEN": "<your_refresh_token>"
}
}
}
}
}



For NPM: use "command": "npx" and add "args": ["-y", "@last9/mcp-server@latest"].
</details>
<details>

<summary>Windows</summary>
After downloading from GitHub Releases, extract and point to the full path:

json
{
"mcpServers": {
"last9": {
"command": "C:\\Users\\<user>\\AppData\\Local\\Programs\\last9-mcp-server.exe",
"env": {
"LAST9_REFRESH_TOKEN": "<your_refresh_token>"
}
}
}
}
``


The NPM route is easier on Windows — no path management.
</details>

| Variable | Default | Description | | ---------------------------- | -------------------- | ----------- | |LAST9_REFRESH_TOKEN| (required) | Refresh token from API Access | |LAST9_DATASOURCE| org default | Datasource/cluster name — useful when you have multiple Levitate clusters | |LAST9_API_HOST | app.last9.io| Override the API host | |LAST9_TOOLSETS | all tools | Comma-separated toolsets to expose (logs, traces, metrics, alerts, dashboards, investigate, all). Alias: LAST9_MCP_TOOLSETS| |LAST9_MAX_GET_LOGS_ENTRIES | 5000 | Max entries for chunked get_logsrequests | |LAST9_DEBUG_CHUNKING | false | Set true to log chunk-planning details for get_logs, get_service_logs, get_traces| |LAST9_DISABLE_TELEMETRY | true | Set falseto enable internal OTel tracing | |OTEL_SDK_DISABLED | — | Standard OTel env var. Overrides LAST9_DISABLE_TELEMETRY| |OTEL_EXPORTER_OTLP_ENDPOINT| — | OTLP collector endpoint (only when telemetry is enabled) | |OTEL_EXPORTER_OTLP_HEADERS | — | OTLP auth headers (only when telemetry is enabled) |

---

- start_time_iso / end_time_iso (string, optional)

> All other APM tools require an env value. Use "" if this returns empty.

- search_term(string, optional): Free-text search across name, group, data source, tags. -rule_name(string, optional) -severity(string, optional) -rule_type (string, optional): static or anomaly. -alert_group_name / alert_group_type / data_source_name(string, optional) -tags` (array, optional): All must match (AND logic).

`get_service_summary`

Ranked fleet (service, env) rows: interval request_count, throughput_rpm, HTTP 4xx/5xx counts, and gRPC error counts.

`get_service_environments`

Available environments for your services. Run this first — other APM tools need env from here.

`get_service_performance_details`

Full breakdown: throughput, error rate, p50/p90/p95/avg/max, apdex, availability.

`get_service_operations_summary`

Operations grouped by HTTP endpoints, DB calls, messaging, HTTP clients.

`get_service_dependency_graph`

Dependency map with throughput, latency, and error rates for upstream/downstream/infra.

`get_apm_service_deviations`

Compare a current window against an equal-duration baseline: regressions/improvements, Apdex reconciliation, and a terminal outcome (fleet or single service).

`get_exceptions`

Server-side exceptions with service and span filters.

`get_databases`

Discover all databases across your infrastructure: DB type, host, throughput (queries/min), p95 latency, error rate, number of dependent services.

`get_database_slow_queries`

The actual slowest query executions, ordered by duration, with trace IDs for drilling into full traces.

`get_database_queries`

Query patterns and aggregates: how often a query runs, average/p95 duration, error rate.

`get_database_server_metrics`

Server-side metrics from the DB host itself (CPU, connections, buffer hit rates — depends on your DB system).

`prometheus_range_query`

PromQL range queries over any metric.

`prometheus_instant_query`

Instant queries; use rollup functions like avg_over_time, sum_over_time.

`prometheus_label_values`

Label values for a given series.

`prometheus_labels`

All labels available for a series.

`get_logs`

Full JSON pipeline log queries (aggregations, filters, field extraction).

`get_service_logs`

Raw log lines for a service, filterable by severity and body content.

`get_log_attributes`

Global catalog of attributes in the log schema for a time window.

`get_log_attributes_for_pipeline`

Log fields actually present for an in-progress pipeline (scoped discovery), each with its exact filter_field.

`get_drop_rules`

Log drop rules from Last9 Control Plane.

`add_drop_rule`

Create a new drop rule to cut log volume at the source.

`get_traces`

JSON pipeline trace queries for broad searches and aggregations.

`get_service_traces`

Traces by exact trace ID or service name. Use this when you have a trace ID — it's faster.

`get_trace_attributes`

Global catalog of attributes in the trace schema.

`get_trace_attributes_for_pipeline`

Attributes actually present for an in-progress pipeline (scoped discovery), each with its exact filter_field.

`get_trace_attribute_values`

Distinct values for a trace attribute, optionally scoped to a pipeline.

`get_trace_attribute_deviations`

Ranks attribute values that differ between two bounded span cohorts (slow vs fast, error vs non-error, or two time windows).

`get_trace_waterfall`

One exact trace as a parent/child waterfall with interval-union self-time, slowest spans, and graph warnings.

`get_change_events`

Deployments, config changes, rollbacks. Correlate incidents with what changed.

`get_alert_config`

Alert rule configurations — searchable by name, severity, type, tags.

`get_alerts`

Currently firing alerts within a time window.

`get_alert_rule_state`

Historical firing state (1/0) per alert rule over a time range, grouped by rule_id.

`get_notification_channels`

Configured notification channels (Slack, PagerDuty, email, etc.).

`list_dashboards`

All custom dashboards in your org: IDs, names, and metadata.

`get_dashboard`

Full dashboard definition by ID, including panels and queries.

`create_dashboard`

Create a new custom dashboard with panels, queries, and metadata.

`update_dashboard`

Update an existing dashboard by ID.

`delete_dashboard`

Delete a custom dashboard by ID.

`list_dashboard_snapshots`

Frozen point-in-time snapshots for a dashboard (metadata only).

`get_dashboard_snapshot`

Full frozen snapshot including panel data for RCA / shareable views.

`delete_dashboard_snapshot`

Delete a frozen snapshot by ID.

`did_you_mean`

When the agent isn't sure about an entity name, this returns the closest matches from your catalog.

Claude Desktop / Cursor

Paste into your MCP client config file to install this server.

{
    "mcpServers": {
        "last9": {
            "env": {
                "LAST9_REFRESH_TOKEN": "<your_refresh_token>"
            },
            "args": [],
            "command": "/opt/homebrew/bin/last9-mcp"
        }
    }
}

Linux

{
    "env": {
        "LAST9_REFRESH_TOKEN": "<your_refresh_token>"
    },
    "args": [],
    "command": "/opt/homebrew/bin/last9-mcp"
}

Macos

{
    "env": {
        "LAST9_REFRESH_TOKEN": "<your_refresh_token>"
    },
    "args": [],
    "command": "/opt/homebrew/bin/last9-mcp"
}

Windows

{
    "env": {
        "LAST9_REFRESH_TOKEN": "<your_refresh_token>"
    },
    "args": [],
    "command": "C:\\Users\\<user>\\AppData\\Local\\Programs\\last9-mcp-server.exe"
}

Last9 MCP Server

last9 mcp demo

Your AI agent doesn't know what's broken in production. This fixes that.

Last9 MCP Server connects Claude, Cursor, Windsurf, and any other MCP-capable AI assistant directly to your production observability data — logs, metrics, traces, exceptions, database queries, alerts, and deployments. The agent stops guessing and starts reading the actual signal.

- Watch the demo
- Announcement post

---

Start in 30 seconds (Hosted)

No binary to install. No tokens to manage. One URL, OAuth in your browser, done.

Find your org slug in your Last9 URL: app.last9.io/<org_slug>/...

Claude Code

claude mcp add --transport http last9 https://app.last9.io/api/v4/organizations/<org_slug>/mcp

Type /mcp, select last9, authenticate. That's it.

Cursor

Settings > MCP > Add New MCP Server:

{
  "mcpServers": {
    "last9": {
      "type": "http",
      "url": "https://app.last9.io/api/v4/organizations/<org_slug>/mcp"
    }
  }
}

Click Connect, complete OAuth.

VS Code

Requires v1.99+. Open Command Palette → MCP: Add Server, paste the URL, authenticate.

Or directly in settings.json:

{
  "mcp": {
    "servers": {
      "last9": {
        "type": "http",
        "url": "https://app.last9.io/api/v4/organizations/<org_slug>/mcp"
      }
    }
  }
}

Windsurf

Settings > Cascade > Open MCP Marketplace > gear icon (mcp_config.json):

{
  "mcpServers": {
    "last9": {
      "serverUrl": "https://app.last9.io/api/v4/organizations/<org_slug>/mcp"
    }
  }
}

Claude Web/Desktop

Settings > Connectors > Add custom connector. Name it last9, paste the URL, authenticate.

> Requires admin access to your Claude organization.

---

Self-Hosted (STDIO)

Use this when your MCP client doesn't support HTTP transport, or when you need the server running locally.

Install

Homebrew:

brew install last9/tap/last9-mcp

NPM:

```bash
npm install -g @last9/mcp-server@latest

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About

Details

Jump to

Setting up with Highlight

From the repository

get_service_summary

get_service_environments

get_service_performance_details

get_service_operations_summary

get_service_dependency_graph

get_apm_service_deviations

get_exceptions

get_databases

get_database_slow_queries

get_database_queries

get_database_server_metrics

prometheus_range_query

prometheus_instant_query

prometheus_label_values

prometheus_labels

get_logs

get_service_logs

get_log_attributes

get_log_attributes_for_pipeline

get_drop_rules

add_drop_rule

get_traces

get_service_traces

get_trace_attributes

get_trace_attributes_for_pipeline

get_trace_attribute_values

get_trace_attribute_deviations

get_trace_waterfall

get_change_events

get_alert_config

get_alerts

get_alert_rule_state

get_notification_channels

list_dashboards

get_dashboard

create_dashboard

update_dashboard

delete_dashboard

list_dashboard_snapshots

get_dashboard_snapshot

delete_dashboard_snapshot

did_you_mean

Claude Desktop / Cursor

Linux

Macos

Windows

Last9 MCP Server

Start in 30 seconds (Hosted)

Claude Code

Cursor

VS Code

Windsurf

Claude Web/Desktop

Self-Hosted (STDIO)

Install

Install

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`get_service_summary`

`get_service_environments`

`get_service_performance_details`

`get_service_operations_summary`

`get_service_dependency_graph`

`get_apm_service_deviations`

`get_exceptions`

`get_databases`

`get_database_slow_queries`

`get_database_queries`

`get_database_server_metrics`

`prometheus_range_query`

`prometheus_instant_query`

`prometheus_label_values`

`prometheus_labels`

`get_logs`

`get_service_logs`

`get_log_attributes`

`get_log_attributes_for_pipeline`

`get_drop_rules`

`add_drop_rule`

`get_traces`

`get_service_traces`

`get_trace_attributes`

`get_trace_attributes_for_pipeline`

`get_trace_attribute_values`

`get_trace_attribute_deviations`

`get_trace_waterfall`

`get_change_events`

`get_alert_config`

`get_alerts`

`get_alert_rule_state`

`get_notification_channels`

`list_dashboards`

`get_dashboard`

`create_dashboard`

`update_dashboard`

`delete_dashboard`

`list_dashboard_snapshots`

`get_dashboard_snapshot`

`delete_dashboard_snapshot`

`did_you_mean`