League Loom
Fantrax or a mix of supported hosts in your existing AI assistant.
The fantasy AI field guide
Which fantasy MCP server fits your leagues?
A fantasy MCP server is a hosted endpoint that lets an AI assistant read your league; League Loom's, at leagueloom.com/mcp, is free and read-only for ESPN, Sleeper and Fantrax.
It works in Claude, ChatGPT and other MCP clients. Add it on a computer, then ask in Claude's phone app or ChatGPT on the web. Compare it below with other connectors.
Looking for ESPN over MCP? See ESPN fantasy MCP server.
Looking for Sleeper over MCP? See Sleeper MCP server.
Looking for Fantrax data access? See The Fantrax API, explained.
Looking for fantasy football tools compared? See Best AI for fantasy football.
Last updated
See it with a real team
Your teams. A useful answer.
A recorded check-in with real teams.
AI Assistant
Claude, ChatGPT & more
League Loom
Gagging on CauliFlowers · ESPN
What should I review at tight end this week?
Compare Hockenson in your lineup with Kraft on the bench.
TE
T.J. HockensonStarting tight end
Listed active. Check expected targets, snap share and the upcoming matchup.
TE
Tucker KraftBench
Also listed active. Compare the same usage measures under your league's scoring.
Both are on your current 18-player roster. The roster and injury reports give you the candidates; recent usage and matchup research are still needed to rank them.
Plan for the next eligible lineup period. Confirm ESPN's deadline and each player's eligibility before making a change; this snapshot does not verify that the slot is open.
Jamal Murray is now active. Compare your reserves for the next roster period.
| Fantrax roster positions | Players |
|---|---|
| Guard | 5 |
| Forward | 4 |
| Center | 2 |
Harden, Jamal Murray, Leonard, Kuminga and Mara occupy your five active slots. Wallace is now on reserve, alongside options including Keegan Murray, Horford and Mathurin. Compare their schedules, expected minutes and category contributions before choosing the next lineup. These position labels come from Fantrax.
This check falls in roster period 7, October 26-27. Period 8 starts October 27 at 7:30 p.m. Eastern. Confirm which period a change would affect and each player's eligibility first. Current health and individual locks are not verified here, so keep any locked lineup unchanged.
Monitor Aaron Jones in flex and compare cover already on your bench.
QUESTIONABLEAaron Jones(Flex starter)Sleeper
RB
Jordan Mason and RJ HarveyBench
Both listed active. Review their expected workloads and matchups if you need flex cover.
Follow Jones's recovery and practice updates before the next eligible lineup period. Rachaad White is another active bench option. An active injury designation does not establish workload or make one of them the automatic replacement.
Burrow occupies quarterback and Darnold superflex. Jefferson, Godwin and Douglas occupy your receiver slots. Confirm Sleeper's lock and AutoSub rules before any change; this recorded check does not establish that a player can be moved now.
1
Gagging on CauliFlowersESPN · Football · Week 8
Hockenson occupies tight end with Kraft on the bench. Compare their expected usage for the next eligible lineup period. Keenan Allen is back on your roster as a bench receiver; Metcalf and Concepcion are no longer on it.
2
Boars on the (Parquet) FloorFantrax · Basketball · Roster period 7
Jamal Murray is now active and Wallace is on reserve. Review schedules and category needs before period 8 starts October 27 at 7:30 p.m. Eastern. Confirm current health and individual locks first.
3
Waller? I Hardly Know HerSleeper · Football · Week 8
Jones is questionable in flex. Mason, Harvey and White are active bench options to research for the next eligible lineup period. Your $345 waiver balance is unchanged, so compare those options before buying more cover.
Each league has its own lineup period and deadline. Keep locked players in place and confirm eligibility before making a change.
Ask about your leagues…
Side by side
Compare the documented capabilities
Scroll the table sideways to compare all options.
| Connection and league hosts | Access | Useful when | Last checked | |
|---|---|---|---|---|
| League Loom | External AI connector: ESPN, Sleeper, Fantrax | Free connector with fair-use budgets; AI service requirements apply | Fantrax or a mix of supported hosts in your existing AI assistant. | September 25, 2026 |
| FantasyBot | ChatGPT app and Claude connector, plus its own iOS and web app: ESPN, Yahoo, Sleeper | Free: 40 tool calls a day; Pro $11.99/mo or $99.99/yr | Its own computed grades, trade values and projections, including for Yahoo leagues. | September 25, 2026 |
| Flaim | External AI connector: ESPN, Yahoo, Sleeper | Free; AI service requirements apply | A free connection including Yahoo; ESPN setup uses its Chrome extension on a computer. | September 25, 2026 |
| FantasyPros MCP server | External MCP reading leagues synced to FantasyPros; NFL and MLB tools | Free account to start; six advice tools need Premium | FantasyPros rankings, projections and advice engines in your AI assistant. | September 25, 2026 |
| Scoutcast | Read-only MCP connector plus its own audio app; Sleeper sync | MCP page says free with any account; NFL Fantasy Pass $39.99 a year | Scheduled audio briefings for a Sleeper football league, with the same data in your assistant. | September 25, 2026 |
| STACKED | Read-only MCP for Codex, Claude and ChatGPT, plus its own football draft and season tools; ESPN, Yahoo and Sleeper sync | MCP included with STACKED Pro: $19.99 a month, or $4.99 a month billed yearly | STACKED projections, trade values and ADP alongside your synced football league in your assistant. | September 26, 2026 |
| RotoBot | Its own web and mobile chat; Sleeper, Yahoo and ESPN sync | Paid: Fantasy Pass from $9.99 a week | A standalone fantasy and betting research app with league sync. | September 25, 2026 |
| Oddsmyth | Its own co-manager on the web and iPhone; Yahoo and ESPN league sync | 5 free credits, then credit packs from $4.99 or Pro at $9.99 a month | A standalone, read-only co-manager with football and baseball lineup briefs and draft prep. No AI connector. | September 26, 2026 |
| Fantasy Life | Its own Fantasy HQ with football league sync (ESPN, Yahoo, Sleeper, CBS and more); Draft Companion Chrome extension for ESPN and Yahoo drafts | League sync is free; Fantasy HQ advice and Draft Companion are in FantasyLife+ Tier 2, $99.99 a year | Expert rankings and advice for synced football leagues, plus a live-draft overlay. No AI connector. | September 26, 2026 |
External MCP is documented for League Loom, FantasyBot, Flaim, FantasyPros MCP server, Scoutcast and STACKED. The other rows describe their own product experiences; they are not interchangeable connector features. Check each product's sport-specific support.
Sources checked . Published by League Loom. STACKED, Oddsmyth and Fantasy Life were checked on September 26, 2026; League Loom, FantasyBot, Flaim, FantasyPros MCP server, Scoutcast and RotoBot on September 25, 2026. These are documented features, not tested prediction accuracy. Provider, sport, plan and client support can change.
League Loom coverage and tools · FantasyBot MCP and read-only tools · Flaim coverage and pricing · FantasyPros MCP server · Scoutcast home and pricing · STACKED MCP · STACKED Pro pricing · STACKED league sync · RotoBot home and FAQ · Oddsmyth home, platforms and pricing · Fantasy Life Draft Companion · FantasyLife+ pricing · Fantasy Life league sync
Find your fit
Choose the connection that fits your leagues
FantasyBot
Its own computed grades, trade values and projections, including for Yahoo leagues.
Flaim
A free connection including Yahoo; ESPN setup uses its Chrome extension on a computer.
FantasyPros MCP server
FantasyPros rankings, projections and advice engines in your AI assistant.
Scoutcast
Scheduled audio briefings for a Sleeper football league, with the same data in your assistant.
STACKED
STACKED projections, trade values and ADP alongside your synced football league in your assistant.
RotoBot
A standalone fantasy and betting research app with league sync.
Oddsmyth
A standalone, read-only co-manager with football and baseball lineup briefs and draft prep. No AI connector.
Fantasy Life
Expert rankings and advice for synced football leagues, plus a live-draft overlay. No AI connector.
An external connector brings league context into an AI assistant you already use. A standalone advisor supplies its own chat or research experience.
Some products offer both. League Loom connects ESPN, Sleeper and Fantrax, including multiple configured leagues, with no connector subscription.
Your AI service may have separate access requirements. Test one roster question and ask the assistant to identify the league data it retrieved, what it inferred and what is unavailable.
League Loom does not support Yahoo or submit roster moves. The technical ESPN guide explains its endpoint and authentication; the football comparison focuses on weekly decisions and draft workflows.
Try League Loom
Bring your own league into the conversation
1
Add the connector
In Claude or any MCP tool, add a custom connector; in ChatGPT on the web, turn on developer mode and use the + button on the Plugins page. Give it a name and paste the League Loom URL as the server address.
2
Choose your leagues
Load your leagues in the setup wizard. Select a personal team for team-specific help, or leave it unselected for league overviews. No API keys.
3
Just ask
Ask about your roster, waivers, matchups, and more, in plain language, across every league.
Remote connector URL
https://leagueloom.com/mcpAdd this URL in your AI tool, then follow the guided setup.
On your phone? Send yourself this setup link to finish on a computer.
Before you connect
Questions, answered
What is a fantasy sports MCP connector?
It lets an AI assistant call tools that retrieve fantasy league data. League Loom supplies rosters, standings, matchups and other supported context; the assistant uses those results to answer your question. Features and league hosts differ by connector.
Is there an MCP server for ESPN, Sleeper or Fantrax specifically?
League Loom is one hosted MCP server for all three, so a single connection can hold leagues from each, up to 25 per platform. The ESPN MCP guide covers the endpoint, OAuth and a first retrieval. The Sleeper MCP guide covers username setup and Sleeper's public API. The Fantrax API guide explains what Fantrax exposes and why a league URL works best.
Which free connectors can I compare?
League Loom and Flaim both advertise free connector access. League Loom supports ESPN, Sleeper and Fantrax; Flaim documents ESPN, Sleeper and Yahoo. FantasyBot's connector is free for 40 tool calls a day with a FantasyBot account. Scoutcast's MCP page says its connector is free with any account, though its other pages disagree on whether roster questions need the NFL Fantasy Pass. FantasyPros offers a free account to start, with certain advice tools requiring Premium. Your AI service can have separate costs.
Can I connect Fantrax or multiple providers?
League Loom supports Fantrax alongside ESPN and Sleeper, including multiple configured leagues in one connection. Check the provider and sport matrix for the data available in each league. FantasyPros also offers Fantrax league sync; Fantrax access is not exclusive to League Loom.
Can I compare my fantasy players across multiple platforms in Claude?
League Loom can retrieve the players you roster across configured ESPN, Sleeper and Fantrax leagues. Ask Claude to list your football players across leagues and identify repeated players, or request a weekly digest across your configured teams. The real-team example shows a Sleeper lineup check and ESPN bench injuries in one answer. Keep comparisons within the relevant sport and scoring context, and identify missing data separately. A roster inventory does not by itself establish trade value or submit a roster move.
Can I use these tools in Perplexity?
Flaim publishes Perplexity setup instructions. League Loom uses a hosted Streamable HTTP endpoint with OAuth; Perplexity account and connector requirements must also be satisfied. A completed League Loom connection in Perplexity has not yet been verified for this guide. Do not assume generic MCP support guarantees compatibility.
Does an AI connection let the assistant make roster moves?
All current League Loom tools retrieve or analyze data. They do not submit lineups, trades or waiver claims. Check other products individually, and distinguish a recommendation from a submitted move.
Before you connect a league, read how League Loom is built, what the privacy policy says is stored, the terms of service and the full FAQ, or check the press kit with key facts and who builds it.