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Misar.Blog MCP Server

by blog.misar

List newsletter subscribers

list_newsletter_subscribers
Read-onlyIdempotent

List the people subscribed to the authenticated account's newsletter, paginated.

Use it to size the audience or export the list. For what has been SENT to them, use list_newsletter_issues instead.

Reads only — no email is sent and no subscriber is added or removed. Requires an API key. This returns personal data (email addresses), so treat the result as confidential and do not echo it into shared transcripts. Page with limit and offset; the default returns the first 20.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
limitNoSubscribers per page, 1-100. Defaults to 20.
offsetNoSubscribers to skip before this page. Defaults to 0.

TDQS

A4.4/5.0
Behavior4/5

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

Annotations already declare readOnlyHint, openWorldHint, idempotentHint, and destructiveHint=false. The description adds context about requiring an API key, returning personal data (email addresses) and advising confidentiality, which goes beyond annotations. It also clarifies no email is sent and no subscriber is added/removed, reinforcing the read-only nature.

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?

The description is concise, front-loaded with the main purpose, and every sentence adds value. It covers usage, safety, data sensitivity, and pagination in a compact form without redundancy.

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

Completeness4/5

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

Given the tool's simplicity (2 params, no output schema, no nested objects), the description is complete. It covers purpose, usage, safety, and data sensitivity. The only minor gap is not describing the return format, but since there is no output schema, the description could have mentioned what fields are returned, but it's not critical for a list operation.

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 100%, so the schema already documents both parameters (limit and offset) with defaults and ranges. The description adds minimal extra meaning beyond mentioning pagination and default first 20, which is already in the schema. Baseline 3 is appropriate.

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?

The description clearly states the tool lists newsletter subscribers for the authenticated account, with pagination. It distinguishes itself from the sibling tool list_newsletter_issues by explicitly noting the difference between subscribers and sent issues.

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?

Provides explicit guidance on when to use this tool (to size audience or export list) and when not to (for sent content, use list_newsletter_issues). Also mentions pagination with limit and offset, and the default behavior.

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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TDQS

A4.1/5.0
Disambiguation4/5

The tools mostly map to clearly distinct resources and actions, with good behavioral separation between create_draft, publish_article, and update_article, and between the two title-generating tools. Some naming choices are still slightly misleading, such as get_series returning the full collection rather than a single series, and generate_cover_image references a non-existent upload_image tool.

Naming Consistency4/5

The vast majority of tools follow a clean lowercase verb_noun pattern, including create_*, get_*, list_*, and add_* names. Notable exceptions are upgrade, a bare verb that also mixes read and mutate behaviors, and get_series, which functions more like a list than a get.

Tool Count3/5

23 tools is in the heavy range for an MCP server, exceeding the ideal 3-15 span. That said, the tools do span legitimate blogging concerns such as articles, reactions, series, newsletters, analytics, and AI assistance, so the count feels broad rather than padded.

Completeness2/5

The surface covers article creation, reading, updating, and publishing, but there is no delete or unpublish for articles/drafts, no way to remove an article from a series, and no update/delete for series. The dangling reference to upload_image in generate_cover_image also suggests a missing tool, and agents will hit dead ends trying to undo publication or remove content.

Resources