Langfuse MCP vs Sessy — Amazon SES observability
Langfuse MCP and Sessy — Amazon SES observability are both MCP servers for observability. Langfuse MCP is published by avivsinai and Sessy — Amazon SES observability by marckohlbrugge. Langfuse MCP runs locally (stdio), while Sessy — Amazon SES observability runs as a remote server (HTTP). Langfuse MCP lists installs for Claude Code, Codex, VS Code and Cursor; Sessy — Amazon SES observability for Claude Code, VS Code, Cursor and Windsurf. On GitHub, Sessy — Amazon SES observability has 943 stars and Langfuse MCP has 112. Both were last active in Oct 2026. For auth, Langfuse MCP uses API key and Sessy — Amazon SES observability uses bearer token. The table lines up where they differ (publisher, runs, auth and install targets) and has the install commands for both. Everything here comes from the listings' public sources and is refreshed daily.
Updated Oct 26, 2026 · Built from catalog data; how we rank and grade
Langfuse MCP
avivsinai
Langfuse MCP server for accessing and analyzing telemetry data via natural language
Sessy — Amazon SES observability
marckohlbrugge
Read-only Amazon SES observability: search events, inspect bounces, pull delivery stats.
Who should pick which
- Pick Langfuse MCP if you want it to run on your own machine.
- Pick Langfuse MCP if you use Codex and Claude Desktop: Sessy — Amazon SES observability lists no install for them.
- Pick Sessy — Amazon SES observability if you want a remote server with nothing to install locally.
- Sessy — Amazon SES observability has the larger community: 943 GitHub stars against 112.
From listing data only. We don't pick a winner on security beyond the grades; read how grades work.
Side by side
| Fact | Langfuse MCP | Sessy — Amazon SES observability |
|---|---|---|
| Type | Connector | Connector |
| Publisher | avivsinai | marckohlbrugge |
| License | MIT | License unknown |
| Pricing | Not stated | Not stated |
| Runs | Local (stdio) | Remote (HTTP) |
| Auth | API key | Bearer token |
| Hosts supported | Claude Code, Codex, VS Code, Cursor, Windsurf, Claude Desktop | Claude Code, VS Code, Cursor, Windsurf |
| Tools | Not listed yet | Not listed yet |
| Security grade | –Security: not graded yet | –Security: not graded yet |
| Freshness grade | AFreshness: A | AFreshness: A |
| GitHub stars | 112 | 943 |
| Weekly downloads | 2,247 | Not measured |
| Last release | Oct 25, 2026 | Jul 31, 2026 |
| Last activity | Oct 25, 2026 | Oct 22, 2026 |
Facts from each listing's public sources, checked daily. Tool lists arrive with tool scans.
Install
Langfuse MCP
claude mcp add langfuse-mcp -e LANGFUSE_PUBLIC_KEY='<LANGFUSE_PUBLIC_KEY>' -e LANGFUSE_SECRET_KEY='<LANGFUSE_SECRET_KEY>' -- uvx langfuse-mcp@0.14.0
Settings it needs
LANGFUSE_PUBLIC_KEYrequiredsecret · Langfuse public API keyLANGFUSE_SECRET_KEYrequiredsecret · Langfuse secret API keyLANGFUSE_HOST· Langfuse API base URL (Cloud or self-hosted)LANGFUSE_MCP_READ_ONLY· Set true to disable write tools
Sessy — Amazon SES observability
claude mcp add --transport http --header 'Authorization: <Authorization>' sessy https://api.sessy.do/mcp
Settings it needs
Authorizationrequiredsecret · Bearer token from your Sessy API keys page (https://app.sessy.do/api_keys). Self-hosters: point the URL at your own instance's /mcp endpoint instead of api.sessy.do. Setup: https://sessy.do/docs/mcp
Also consider
- 0.635score
Observability MCP
ThoTischner
Unified observability gateway for AI agents — Prometheus, Loki & more, with anomaly detection.
ConnectorAFreshness: ALocal★ 7Claude Code +5 - 0.592score
Agent Observability
RudrenduPaul
AI agent observability with deterministic record/replay for debugging agent failures.
ConnectorAFreshness: ALocal↓ 60/wkClaude Code +5 - 0.584score
Langfuse API
rodrigorjsf
Langfuse public API (Cloud and self-hosted): traces, prompts, datasets and gated writes.
ConnectorAFreshness: ALocalClaude Code +5
Questions
- Is Langfuse MCP or Sessy — Amazon SES observability more popular?
- Sessy — Amazon SES observability has more GitHub stars (943 against 112). Stars measure attention, not quality, so check freshness and docs too.
- Do Langfuse MCP and Sessy — Amazon SES observability work with Claude Code?
- Yes, both list a Claude Code install; the commands are on this page.
- Which one runs without a local install?
- Sessy — Amazon SES observability offers a remote endpoint; Langfuse MCP runs locally.
Related
Cite this page
Langfuse MCP vs Sessy — Amazon SES observability. Agent Mart. https://agentmart.dev/compare/avivsinai-langfuse-mcp-vs-marckohlbrugge-sessy (last updated 2026-10-26)