MCP server

Sigwren Official

com.sigwren/sigwren

Checked 26 Oct 2026, 08:29 UTC · It answered and asked for a sign-in

Trail and ultra running: your Sigwren training, plus race courses, pacing and fuelling for anyone.

Website

At a glance

Type

MCP server

Publisher

sigwren.com (verified by the MCP Registry)

Status

Signs in with your account

Tools

11

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http sigwren https://mcp.sigwren.com/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.sigwren]
url = "https://mcp.sigwren.com/mcp"

Gemini CLI

{"mcpServers":{"sigwren":{"httpUrl":"https://mcp.sigwren.com/mcp"}}}

Cursor

{"mcpServers":{"sigwren":{"url":"https://mcp.sigwren.com/mcp"}}}

VS Code

{"servers":{"sigwren":{"type":"http","url":"https://mcp.sigwren.com/mcp"}}}

Antigravity

agy mcp add sigwren https://mcp.sigwren.com/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"sigwren","server_url":"https://mcp.sigwren.com/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"sigwren","server_url":"https://mcp.sigwren.com/mcp"}

Signs in with your account: your agent app opens a sign-in page the first time you use it.

Tools

• build_race_day_plan ~872 tokens
  A race-day plan for a race in Sigwren's catalogue at a finish time: the course leg by leg with the time of arrival and the pace, and what to eat and drink per hour — carbohydrate, fluid and sodium. The legs are cut at the aid stations when the course has them, otherwise by its climbs and descents, o
• check_kit_list ~666 tokens
  Compares the kit list from an athlete's entry confirmation with Sigwren's kit list for that race, and says where they differ. Pass race_id (from find_race or get_races) and items: the email's list as {name, quantity?, mandatory?} entries (at most 100, one item each, cleaned up; quantity and mandator
• find_race ~426 tokens
  Search Sigwren's catalogue of trail, ultra and road races by name — every word you give must appear in the race's name, in any order ("Otter Trail Run" finds "Otter African Trail Run") — optionally with a year and country: name, event, location, country, distance (km), ascent and descent (m), and th
• get_fitness_test ~470 tokens
  A fitness test a runner can do on their own, from Sigwren: Metabolic Lite (two 20-second sprints and two 6-minute efforts — threshold pace, LT1, VO₂max, VLamax, fat burning and the training zones they set) or a 20- or 30-minute threshold time trial (threshold heart rate and pace, and the zones they
• get_form_check_link ~435 tokens
  A link to a Sigwren page where a runner uploads one short clip of themselves running (side-on, 30 seconds or less) for a free running-form check. Sigwren reads the clip once and gives back what the runner does well, what to work on, one focus with a drill, and cues to run with. The clip is deleted a
• get_race_course ~259 tokens
  What a race's course demands, from Sigwren's analysis of it: distance, ascent and descent, altitude, terrain, the aid stations in course order with their cut-offs and facilities, the biggest climbs and descents, the course leg by leg (distance, climb, grade, ground and the demands recorded for it),
• get_single_workout ~829 tokens
  One session built the Mindful Runner Way. A run (kind "run", the default) is warm-up, main work and cool-down, each step with its length and its effort on a 0–10 scale (RPE) with words for how it feels, because Sigwren does not know the person's zones or paces. Use it for "give me a 45-minute easy r
• get_test_result ~340 tokens
  The result of a fitness test the runner uploaded to a link from get_test_upload_link (or the summary of a free form check from get_form_check_link): for a fitness test, threshold pace and heart rate where measured, LT1 pace, FatMax, VO₂max, VLamax, economy, glycogen and predicted 5 km, 10 km and hal
• get_test_upload_link ~498 tokens
  A link to a Sigwren page where the runner uploads the recording of their fitness test (the FIT, GPX or TCX file from their watch, of the whole session). Sigwren reads the recording, finds the efforts in it, and works out the result — thresholds, zones and, for Metabolic Lite, VO₂max, VLamax and fat
• predict_race_finish ~1214 tokens
  What a runner could finish a race in Sigwren's catalogue in: a range (fast / likely / slow) with how sure it is and why, from the evidence the person gives — no Sigwren account needed. ASK FIRST: a recent race (distance, finish time, roughly when), their usual weekly running, how many years they hav
• work_out_my_test ~866 tokens
  A fitness test worked out from the numbers the runner read off their watch after doing it (get_fitness_test says which). For each effort: the lap average pace (or speed), for a sprint also the fastest pace, and the average heart rate where there is one. Metabolic Lite also needs body mass, height, a

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