Reletter● live

Reletter is the newsletter data API for apps, agents, and outreach tools. Search 7M+ Substack, LinkedIn, Ghost, Beehiiv, and Kit newsletters; retrieve subscriber numbers, contacts, full-text posts, rankings, and audience data; and monitor mentions in near real time. Use it via REST, Python/CLI, or the remote MCP server. Agents can buy request bundles programmatically through HTTP 402 using MPP, with no browser signup required.

listed on

Smithery

Not monetized yet

Turn Reletter’s tool calls into revenue: one disclosed sponsored slot, 70% revenue share, fail-open by design.

Add monetization →

Install Reletter

For anyone using Reletter — no Lulu account needed

npx -y @smithery/cli@latest install james-ytpu/reletter --client claude

The MCP Growth Kit — grow the server you just found

9 field-tested tactics as a designed playbook plus skills your coding agent can run. Free.

Get the Kit →

FAQ

How do I install Reletter in Claude Code?

Reletter installs from source — follow the repository README.

Which registries list Reletter?

smithery

What is Reletter's trust score?

Unrated out of 100, computed from cross-registry traction signals (installs, stars, registry presence) — never influenced by sponsorship.

Similar servers

AAssistant UI40The MCP server tools have been designed to allow an agent to query the specific information it needs to complete an assistant-ui related task - for example: implementing chat components, integrating with different runtimes, understanding component architecture, and troubleshooting issues.21% description match PPolymarket Data by PolymarketScan30Real-time Polymarket analytics for AI agents. Query live prediction market data including whale trades, market odds, trader profiles, and leaderboards. **Available tools:** - `get_whale_trades` — large trades above a size threshold - `get_market_odds` — current prices and implied probability for any market - `get_trader_profile` — PnL, win rate, ROI for any wallet - `get_leaderboard` — top traders ranked by PnL, ROI, or win rate - `get_market_summary` — AI-citable summary paragraph for any market - `search_markets` — full-text search across all active markets - `get_market_movers` — biggest price movements in the last 24 hours - `get_site_stats` — aggregate platform statistics No API key required. Data provided by PolymarketScan (polymarketscan.org).

—

trust & traction

Installs (all sources)—

GitHub stars—

License—

Transport—

Last synced20h ago

Links

Smithery listing

Your server?

This is for the person who owns Reletter — adds Lulu Ads to your own code. Not the install steps above, those are for your users.

Monetize it — your agent does the work

Copies a ready prompt: your coding agent installs the lulu-ads SDK, wires the slot, and applies the widget design guide.

or set up manually at getlulu.dev/publishers

Claim this listing

Get verified so you can edit the page. Your badge is already live below — no claim needed for that.

Host with Lulu

Managed hosting with monetization built in — waitlist.

Your README badge — links here, updates live. Copy it straight into your README:

[![Lulu MCPs](https://getlulu.dev/api/mcps/badge/reletter-4ff1eb)](https://getlulu.dev/mcps/reletter-4ff1eb)