Withings MCP

Withings Sleep Summaries

withings_list_sleep_summary

Read-onlyIdempotent

Retrieve Withings sleep summaries with key sleep fields. Filter by date range and paginate to access historical sleep data for analysis.

Instructions

List Withings sleep summaries with common sleep fields. Requires user.activity scope. Not medical advice.

Input Schema

TableJSON Schema

Name	Required	Description	Default
`page`	No	Withings page number.
`after`	No	Inclusive start bound. Converted to Withings startdate (epoch) or startdateymd (YYYY-MM-DD) per action.
`limit`	No	Upstream page-size hint and local output cap used for pagination safety.
`before`	No	Inclusive end bound. Converted to Withings enddate (epoch) or enddateymd (YYYY-MM-DD) per action.
`all_pages`	No	Fetch multiple pages up to max_pages.
`max_pages`	No	Maximum pages to fetch when all_pages is true.
`privacy_mode`	No	Optional per-call privacy override. Defaults to WITHINGS_PRIVACY_MODE or structured. raw returns upstream Withings JSON. summary minimizes sensitive health and profile details.
`response_format`	No		markdown

Output Schema

TableJSON Schema

Name	Required	Description	Default
`count`	Yes
`empty`	No
`records`	Yes
`warning`	No
`endpoint`	Yes
`has_more`	Yes
`next_page`	No
`privacy_mode`	Yes
`pages_fetched`	Yes

Schema Changelog

Changes observed during successful MCP inspections.

Changed2 schema fields changedv0.5.4Sep 4, 2026
- addedOutput schema / properties / empty
```
Added value: +{
+  "type": "boolean"
+}
```
- addedOutput schema / properties / warning
```
Added value: +{
+  "type": "string"
+}
```

Changed6 schema fields changedv0.4.11Jul 30, 2026

changedInput schema / properties / after / description

Previous value: -"Only return Withings records after this time. Converted to Withings startdate."New value: +"Inclusive start bound. Converted to Withings startdate (epoch) or startdateymd (YYYY-MM-DD) per action."

removedInput schema / properties / after / format
```
Removed value: -"date-time"
```

changedInput schema / properties / after / pattern

Previous value: -"^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))T(?:(?:[01]\\d|2[0-3]):[0-5]\\d(?::[0-5]\\d(?:\\.\\d+)?)?(?:Z|([+-](?:[01]\\d|2[0-3]):[0-5]\\d)))$"New value: +"^\\d{4}-\\d{2}-\\d{2}([Tt ]\\d{2}:\\d{2}(:\\d{2})?(\\.\\d+)?([Zz]|[+-]\\d{2}:?\\d{2})?)?$"

changedInput schema / properties / before / description

Previous value: -"Only return Withings records before this time. Converted to Withings enddate."New value: +"Inclusive end bound. Converted to Withings enddate (epoch) or enddateymd (YYYY-MM-DD) per action."

removedInput schema / properties / before / format
```
Removed value: -"date-time"
```

changedInput schema / properties / before / pattern

Previous value: -"^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))T(?:(?:[01]\\d|2[0-3]):[0-5]\\d(?::[0-5]\\d(?:\\.\\d+)?)?(?:Z|([+-](?:[01]\\d|2[0-3]):[0-5]\\d)))$"New value: +"^\\d{4}-\\d{2}-\\d{2}([Tt ]\\d{2}:\\d{2}(:\\d{2})?(\\.\\d+)?([Zz]|[+-]\\d{2}:?\\d{2})?)?$"

Changed3 schema fields changedv0.4.7Jul 6, 2026

changedInput schema / properties / after / description

Previous value: -"Only return Withings records after this time. Converted to an Withings start_date."New value: +"Only return Withings records after this time. Converted to Withings startdate."

changedInput schema / properties / before / description

Previous value: -"Only return Withings records before this time. Converted to an Withings end_date."New value: +"Only return Withings records before this time. Converted to Withings enddate."

changedInput schema / properties / limit / description

Previous value: -"Local page-size hint used for pagination safety."New value: +"Upstream page-size hint and local output cap used for pagination safety."

First observedv0.4.6Jun 26, 2026

TDQS

B3.3/5.0

Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare readOnlyHint, openWorldHint, idempotentHint, and destructiveHint=false, covering the safety profile. The description adds the scope requirement and a disclaimer, which is useful but minimal. It does not disclose any additional behavioral traits (e.g., how privacy_mode works, pagination behavior) beyond what annotations provide.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Two sentences with zero fluff. The purpose, scope, and disclaimer are front-loaded and each sentence earns its place.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool has 8 parameters, an output schema, and many sibling tools, the description is quite sparse. It does not explain how this differs from withings_list_sleep or when to use it, and it leaves the meaning of 'common sleep fields' undefined. However, the schema and output schema carry substantial information, so it is not severely incomplete, but it could do more to orient the agent.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 88%, so the schema already documents all parameters in detail. The description adds no parameter-specific meaning, so it rests at the baseline 3 for high coverage.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb and resource ('List Withings sleep summaries'), which is clear. However, it does not differentiate from sibling tools like withings_list_sleep or withings_list_workouts; the name and description imply a summary variant but without explicit distinction, so it loses a point.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description only notes the required scope ('user.activity') and a disclaimer ('Not medical advice'), but provides no guidance on when to choose this tool over alternatives, no exclusions, and no context about whether to prefer this over withings_list_sleep or other list tools.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.