whatsmcp

Get Plan

wa_get_plan

Read-only

Show a plan, its limits and current usage. Plans are per WhatsApp number: pass account_id to see ONE number's plan, limits and the tools it does not include (excluded_tools); omit it for the whole workspace — every number's plan and limits (lines), with excluded_tools listing only what NO active number can use, and plan "mixed" when the numbers are on different plans. A tool listed on this server may still be refused on a number whose plan leaves it out; a tool called WITHOUT account_id acts on every number, so it needs every active number's plan to include it. Call this to see why a tool answers plan_required on a given number, why wa_send_message might be refused, or how much headroom is left. It also reports this service's version (server_version, server_build_date).

Input Schema

TableJSON Schema

Name	Required	Description	Default
`account_id`	No	optional: report one line's plan; omit to report every line

Output Schema

TableJSON Schema

Name	Required	Description
`plan`	Yes	the plan's slug, e.g. free, starter, pro — an identifier; show display_name to a person
`lines`	No	every line's plan and limits, present only for the workspace view
`refusal`	No	present only when account_id names a line that cannot be used
`voice_plan`	Yes	the SIP calls this plan allows, or null when it allows none — or, for a workspace whose numbers are on different plans, null: see each line's calls_inbound/calls_outbound
`description`	No	what the plan includes, for a human
`messages_1h`	Yes	the hourly message-send limit and usage
`display_name`	Yes	the plan's name as the customer sees it, e.g. Free, Pro
`history_days`	Yes	how long messages are retained, in days; 0 means forever
`messages_24h`	Yes	the 24-hour message-send limit and usage
`excluded_tools`	No	tools listed on this server that your plan does not include; calling one returns a plan_required refusal
`server_version`	Yes	the version of this MCP service
`accounts_paired`	Yes	WhatsApp numbers currently paired
`webhooks_enabled`	Yes	whether this plan can register inbound webhooks
`max_attachment_mb`	Yes	largest attachment this plan can send, in MB; 0 means unlimited
`server_build_date`	Yes	when that version was built

Schema Changelog

Changes observed during successful MCP inspections.

Changed3 schema fields changedOct 14, 2026

addedOutput schema / properties / refusal / properties / account_status

Added value: +{
+  "description": "when the number is not working: its status — starting, not_running, whatsapp_down, suspended, pairing, unlinked or locked",
+  "type": "string"
+}

addedOutput schema / properties / refusal / properties / account_status_reason

Added value: +{
+  "description": "the detail of account_status, e.g. no_egress, stopped, no_plan",
+  "type": "string"
+}

addedOutput schema / properties / refusal / properties / since

Added value: +{
+  "description": "when the number stopped working, RFC3339, when known",
+  "type": "string"
+}

First observedSep 27, 2026

TDQS

A4.8/5.0

Behavior5/5

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

Annotations only declare readOnlyHint and idempotentHint; the description goes far beyond by disclosing aggregation semantics (excluded_tools contains only what NO active number can use), the 'mixed' plan value, and the important consequence that a tool called without account_id needs every active number's plan to include it. That is real behavioral context an agent cannot get from structured fields.

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

Conciseness4/5

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

Purpose is front-loaded and most sentences carry unique information, but the dense run-on covering excluded_tools across both modes is somewhat tangled and repeats the account_id distinction already in the schema.

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

Completeness5/5

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

With an output schema present the description need not enumerate return fields, yet it still explains the non-obvious ones (excluded_tools, plan 'mixed', server_version/server_build_date). Combined with the usage and scoping guidance, nothing an agent needs to call this correctly is missing.

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

Parameters4/5

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

Schema coverage is 100% and the schema already says 'optional: report one line's plan; omit to report every line', so the baseline is 3. The description adds downstream meaning the schema lacks: what the returned excluded_tools and 'mixed' values imply in each mode, which is a genuine increment.

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

Purpose5/5

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

States a specific verb and resource ('Show a plan, its limits and current usage') and immediately scopes it: per-number when account_id is passed, whole-workspace otherwise. An agent can distinguish it from sibling list tools like wa_list_accounts without opening either schema.

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

Usage Guidelines5/5

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

Explicitly names the triggering conditions: 'Call this to see why a tool answers plan_required on a given number, why wa_send_message might be refused, or how much headroom is left.' It also states the when-to-pass vs when-to-omit rule for account_id, so both invocation modes are covered.

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

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