# io.github.wilmendezofficial/postari: tool descriptions scored

- tools/list taken: 2026-11-02 (UTC)
- From: [Official MCP Registry](https://registry.modelcontextprotocol.io/v0/servers/io.github.wilmendezofficial%2Fpostari/versions/latest)
- Connected to: https://postari.io/api/mcp
- Homepage: https://postari.io/
- Repository: https://github.com/wilmendezofficial/postari
- Scoring rules: v2
- Tools: 41
- Average: 30.9 / 100 (Rain)
- Near-identical pairs: 0

This page shows how io.github.wilmendezofficial/postari's tool descriptions scored, the issues found and the names of its tools and parameters. The descriptions are the server's own: read them where the copy came from.

Forecall asked the URL this server lists in the official MCP Registry for its tools/list once, on the date above, without calling any tool. The server may have changed since.

## Across the server

- Major: 41 tools. Above 40, models choose less accurately.

## Tools

- `update_form`: 17 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Major: Arguments without a description: form_id, name, is_active, list_id, double_optin, thank_you_message, redirect_url, fields.
  - Minor: String arguments with no constraint or example: form_id, name, list_id, thank_you_message, redirect_url.
  - Minor: The description mentions none of its 3 or more arguments.
  - Minor: The meaning of the boolean argument is_active is unclear.
  - Minor: The meaning of the boolean argument double_optin is unclear.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
  - Minor: Required identifiers whose description does not say where the value comes from: form_id. Name the tool or the place that returns it, or models look it up first.
- `add_subscriber_to_list`: 18 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Major: Arguments without a description: email, contact_id.
  - Minor: String arguments with no constraint or example: email, contact_id.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
  - Minor: Required identifiers whose description does not say where the value comes from: list_id. Name the tool or the place that returns it, or models look it up first.
- `create_tag`: 20 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Major: Arguments without a description: name, color.
  - Minor: String arguments with no constraint or example: name, color.
  - Minor: Says nothing about what it returns.
- `get_campaign_audience`: 20 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Major: Arguments without a description: campaign_id.
  - Minor: String arguments with no constraint or example: campaign_id.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
  - Minor: Required identifiers whose description does not say where the value comes from: campaign_id. Name the tool or the place that returns it, or models look it up first.
- `list_flow_emails`: 20 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Major: Arguments without a description: flow_id.
  - Minor: String arguments with no constraint or example: flow_id.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
  - Minor: Required identifiers whose description does not say where the value comes from: flow_id. Name the tool or the place that returns it, or models look it up first.
- `update_landing`: 20 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Major: Arguments without a description: landing_id, name, slug, is_active, form_id, html_code, ai_prompt, blocks.
  - Minor: String arguments with no constraint or example: landing_id, name, slug, form_id, html_code, ai_prompt.
  - Minor: The meaning of the boolean argument is_active is unclear.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
  - Minor: Required identifiers whose description does not say where the value comes from: landing_id. Name the tool or the place that returns it, or models look it up first.
- `update_subscriber`: 20 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Major: Arguments without a description: email, first_name, last_name, country, phone, tags.
  - Minor: String arguments with no constraint or example: email, first_name, last_name, country, phone.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `create_list`: 21 / 100
  - Major: The description is too short (6 words).
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Arguments without a description: description.
  - Minor: String arguments with no constraint or example: description.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `trigger_flow`: 21 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Major: Arguments without a description: email, contact_id, trigger_data.
  - Minor: String arguments with no constraint or example: flow_id, email, contact_id.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
  - Minor: Required identifiers whose description does not say where the value comes from: flow_id. Name the tool or the place that returns it, or models look it up first.
- `create_template`: 22 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Major: Arguments without a description: name, subject, preheader, category, description, blocks.
  - Minor: String arguments with no constraint or example: name, subject, preheader, category, description.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `list_landings`: 22 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Major: Arguments without a description: limit.
  - Minor: No `required` list, so every argument is optional.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `list_launches`: 22 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Arguments without a description: limit.
  - Minor: No `required` list, so every argument is optional.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `update_flow_email`: 22 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Major: Arguments without a description: flow_id, node_id, subject, preheader, label.
  - Minor: String arguments with no constraint or example: flow_id, node_id, subject, preheader, label.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
  - Minor: Required identifiers whose description does not say where the value comes from: flow_id, node_id. Name the tool or the place that returns it, or models look it up first.
- `get_launch`: 25 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Major: Arguments without a description: launch_id.
  - Minor: String arguments with no constraint or example: launch_id.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
  - Minor: Required identifiers whose description does not say where the value comes from: launch_id. Name the tool or the place that returns it, or models look it up first.
- `update_flow`: 25 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Major: Arguments without a description: flow_id, name, trigger_config, graph.
  - Minor: String arguments with no constraint or example: flow_id, name, status.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
  - Minor: Required identifiers whose description does not say where the value comes from: flow_id. Name the tool or the place that returns it, or models look it up first.
- `tag_subscribers`: 27 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Arguments without a description: emails, contact_ids.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `activate_flow`: 28 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Arguments without a description: flow_id.
  - Minor: String arguments with no constraint or example: flow_id.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
  - Minor: Required identifiers whose description does not say where the value comes from: flow_id. Name the tool or the place that returns it, or models look it up first.
- `link_campaign_to_launch_stage`: 28 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Arguments without a description: launch_id, stage_id, title.
  - Minor: String arguments with no constraint or example: launch_id, stage_id, title, scheduled_at.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
  - Minor: Required identifiers whose description does not say where the value comes from: launch_id, stage_id. Name the tool or the place that returns it, or models look it up first.
- `test_flow`: 28 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Arguments without a description: flow_id.
  - Minor: String arguments with no constraint or example: flow_id.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
  - Minor: Required identifiers whose description does not say where the value comes from: flow_id. Name the tool or the place that returns it, or models look it up first.
- `create_segment`: 30 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Major: Arguments without a description: name, description.
  - Minor: String arguments with no constraint or example: name, description.
  - Minor: The description mentions none of its 3 or more arguments.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `create_subscriber`: 31 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Arguments without a description: first_name, last_name, phone.
  - Minor: String arguments with no constraint or example: first_name, last_name, phone.
  - Minor: The description mentions none of its 3 or more arguments.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `create_form`: 33 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Arguments without a description: name, double_optin, thank_you_message.
  - Minor: String arguments with no constraint or example: name, display_mode, thank_you_message.
  - Minor: The description mentions none of its 3 or more arguments.
  - Minor: The meaning of the boolean argument double_optin is unclear.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `create_landing`: 35 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Arguments without a description: name, iframe_url, external_url.
  - Minor: String arguments with no constraint or example: name, iframe_url, external_url.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `get_form`: 35 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: String arguments with no constraint or example: form_id.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
  - Minor: Required identifiers whose description does not say where the value comes from: form_id. Name the tool or the place that returns it, or models look it up first.
- `list_subscribers`: 35 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Arguments without a description: status.
  - Minor: No `required` list, so every argument is optional.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `account_stats`: 37 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: No `required` list, so every argument is optional.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `clean_bounced_subscribers`: 37 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: No `required` list, so every argument is optional.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `list_campaigns`: 37 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: No `required` list, so every argument is optional.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `list_forms`: 37 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: No `required` list, so every argument is optional.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `set_campaign_audience`: 37 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Arguments without a description: campaign_id.
  - Minor: String arguments with no constraint or example: campaign_id.
  - Minor: The description mentions none of its 3 or more arguments.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
  - Minor: Required identifiers whose description does not say where the value comes from: campaign_id. Name the tool or the place that returns it, or models look it up first.
- `arm_flow`: 40 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Arguments without a description: flow_id.
  - Minor: String arguments with no constraint or example: flow_id.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
  - Minor: Required identifiers whose description does not say where the value comes from: flow_id. Name the tool or the place that returns it, or models look it up first.
- `create_launch`: 40 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: String arguments with no constraint or example: name.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `get_campaign_stats`: 40 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
  - Minor: Required identifiers whose description does not say where the value comes from: campaign_id. Name the tool or the place that returns it, or models look it up first.
- `get_subscriber`: 40 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: String arguments with no constraint or example: email.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `launch_campaign`: 40 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
  - Minor: Required identifiers whose description does not say where the value comes from: list_id. Name the tool or the place that returns it, or models look it up first.
- `reactivate_bounced_subscriber`: 40 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `create_flow`: 41 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Arguments without a description: name.
  - Minor: String arguments with no constraint or example: name.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `get_agent_activity`: 42 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: No `required` list, so every argument is optional.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `list_lists`: 42 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `send_transactional_email`: 45 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: String arguments with no constraint or example: to_email.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.
- `diagnose_deliverability`: 47 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Minor: Says nothing about what it returns.
  - Minor: No constraints, side effects, auth or rate limits described, and no annotations.

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