MCP Server
Moltline Educator Toolkit
com.moltlinestudio/educator
What this MCP does
Provides educator product instructions and tools for curriculum planning, lesson timing, grading, readability analysis, and exam or classroom preparation.
Capabilities
Tools
7
tools
get_free_skill
Get Free Skill
Load a product's free gateway skill with its complete instructions. FREE.
Typical input {"slug": "curriculum-architect-hs"} returns {"slug": ...,
"skill": "<skill name>", "instructions": "<full skill text>"}.
Returns exactly one skill - the product's free gateway skill - chosen
automatically from the slug, with no plan required. Use when the caller
wants usable instructions immediately. Not for the product's other skills:
those are named and need get_full_skill with a skill_name, which requires
a paid plan. Errors: on invalid, missing, or malformed input this tool never raises a protocol error — it returns {"error": "<what is wrong and how to fix it>"} (for example {"error": "unknown slug '<value>'. Use list_products."}). Every call is read-only and idempotent, so after correcting the input it is always safe to retry.
Read only
Idempotent
Input schema
{'type': 'object', 'required': ['slug'], 'properties': {'slug': {'type': 'string', 'minLength': 1, 'description': 'Product slug exactly as returned by list_products, e.g. "curriculum-architect-hs"; must be non-empty.'}}, 'additionalProperties': False}
Output schema
{'type': 'object', 'additionalProperties': True}
get_full_product
Get Full Product
Load one product in full: its persona plus every paid skill. PREMIUM (license).
Typical input {"slug": "curriculum-architect-hs"} returns {"slug": ...,
"name": ..., "persona": "<persona text>", "skills": [{"name": ...,
"instructions": ...}, ...], "free_skill": {...}}.
Returns persona plus every skill for one product. Use when the caller
wants the whole product. Not for a single skill (get_full_skill) and not
for a free look, which list_products and get_free_skill provide with no
plan. Errors: on invalid, missing, or malformed input this tool never raises a protocol error — it returns {"error": "<what is wrong and how to fix it>"} (for example {"error": "unknown slug '<value>'"}). Every call is read-only and idempotent, so after correcting the input it is always safe to retry.
Read only
Idempotent
Input schema
{'type': 'object', 'required': ['slug'], 'properties': {'slug': {'type': 'string', 'minLength': 1, 'description': 'Product slug exactly as returned by list_products, e.g. "curriculum-architect-hs"; must be non-empty.'}}, 'additionalProperties': False}
Output schema
{'type': 'object', 'additionalProperties': True}
get_full_skill
Get Full Skill
Load one paid skill's complete instructions from a product. PREMIUM (license).
Typical input {"slug": "curriculum-architect-hs", "skill_name":
"unit-planner"} returns {"slug": ..., "skill": ..., "instructions":
"<full skill text>"}.
Returns one named skill, selected by skill_name. Use when the caller wants
one specific paid skill. Not for the free gateway skill, which
get_free_skill returns with no plan, and not for every skill at once
(get_full_product). Errors: on invalid, missing, or malformed input this tool never raises a protocol error — it returns {"error": "<what is wrong and how to fix it>"} (for example {"error": "unknown slug '<value>'"}). Every call is read-only and idempotent, so after correcting the input it is always safe to retry.
Read only
Idempotent
Input schema
{'type': 'object', 'required': ['slug', 'skill_name'], 'properties': {'slug': {'type': 'string', 'minLength': 1, 'description': 'Product slug exactly as returned by list_products, e.g. "curriculum-architect-hs"; must be non-empty.'}, 'skill_name': {'type': 'string', 'minLength': 1, 'description': 'Exact skill name as listed in that product\'s "skills" array from list_products, e.g. "unit-planner"; must be non-empty.'}}, 'additionalProperties': False}
Output schema
{'type': 'object', 'additionalProperties': True}
grade_curve
Grade Curve
Summarize how an assessment landed: stats, bands, and outliers. FREE.
Reports mean, median, std dev, quartiles, distribution by percentage
band, and flagged low outliers. Typical input {"scores": [88, 92, 75,
61, 84], "max_score": 100} returns {"n": 5, "mean": 80.0, "median":
84.0, "std_dev": ..., "q1": ..., "q3": ..., "distribution":
{"90-100%": 1, ...}, "outliers_low": [...], "reading": "..."}.
Use on a list of scores already earned. Not for the readability of the
assessment itself (readability_report). Errors: on invalid, missing, or malformed input this tool never raises a protocol error — it returns {"error": "<what is wrong and how to fix it>"} (for example {"error": "no scores"}). Every call is read-only and idempotent, so after correcting the input it is always safe to retry.
Read only
Idempotent
Input schema
{'type': 'object', 'required': ['scores'], 'properties': {'scores': {'type': 'array', 'items': {'type': 'number'}, 'minItems': 1, 'description': 'Raw scores, one per student; at least 1 value, e.g. [88, 92, 75].'}, 'max_score': {'type': 'number', 'default': 100, 'description': 'Maximum possible score; must be greater than 0. Default 100.', 'exclusiveMinimum': 0}}, 'additionalProperties': False}
Output schema
{'type': 'object', 'additionalProperties': True}
lesson_timer
Lesson Timer
Split a class period into timed segments with sensible weighting. FREE.
The opener and closer get less time; core activities get more.
Typical input {"minutes": 50, "segments": ["Warm-up", "Direct instruction",
"Practice", "Exit ticket"]} returns {"period_minutes": 50, "plan":
[{"segment": "Warm-up", "start_min": 0, "duration_min": 8}, ...],
"note": "..."}.
Use when one fixed class period must be divided into segments. Not for
multi-day planning and not for spaced review, which the personal server's
spaced_repetition_plan builds. Errors: on invalid, missing, or malformed input this tool never raises a protocol error — it returns {"error": "<what is wrong and how to fix it>"} (for example {"error": "need segments and at least 5 minutes"}). Every call is read-only and idempotent, so after correcting the input it is always safe to retry.
Read only
Idempotent
Input schema
{'type': 'object', 'required': ['minutes', 'segments'], 'properties': {'minutes': {'type': 'integer', 'minimum': 5, 'description': 'Length of the class period in minutes; at least 5, e.g. 50.'}, 'segments': {'type': 'array', 'items': {'type': 'string'}, 'minItems': 1, 'description': 'Ordered segment names, e.g. ["Warm-up", "Practice", "Exit ticket"]; at least 1 entry.'}}, 'additionalProperties': False}
Output schema
{'type': 'object', 'additionalProperties': True}
list_products
List Products
List the 8 educator products with their included skills. FREE.
Takes no arguments. Typical input {} returns a list of 8 product objects, each {"slug":
"curriculum-architect-hs", "name": ..., "tagline": ..., "skills": ["Skill A",
...], "free_skill": "Gateway Skill Name"}. Use the returned slug values
with get_free_skill, get_full_product, or get_full_skill.
Returns metadata only - no persona text and no skill instructions. Use
when the caller wants to see what this server covers. Not for keyword
search across the whole 138-product catalog, which the catalog server's
search_catalog does, and not for instructions the caller can act on
(get_free_skill). Errors: on invalid, missing, or malformed input this tool never raises a protocol error — it returns {"error": "<what is wrong and how to fix it>"}. Every call is read-only and idempotent, so after correcting the input it is always safe to retry.
Read only
Idempotent
Input schema
{'type': 'object', 'properties': {}, 'additionalProperties': False}
Output schema
{'type': 'object', 'required': ['result'], 'properties': {'result': {'type': 'array', 'items': {'type': 'object', 'additionalProperties': True}}}, 'x-fastmcp-wrap-result': True}
readability_report
Readability Report
Analyze teaching text with Flesch-Kincaid readability and leveling advice. FREE.
Typical input {"text": "<passage>", "target_grade": 6} returns
{"flesch_kincaid_grade": 8.2, "reading_ease": 62.1, "sentences": N,
"words": N, "avg_words_per_sentence": N, "long_sentences_over_25w": N,
"polysyllabic_words_sample": [...], "target_grade": 6, "gap": 2.2,
"suggestions": ["..."]}.
Use on teaching text where the reading level matters. Not for scores
students earned (grade_curve) and not for general prose style, which the
creator server's analyze_writing covers. Errors: on invalid, missing, or malformed input this tool never raises a protocol error — it returns {"error": "<what is wrong and how to fix it>"} (for example {"error": "empty text"}). Every call is read-only and idempotent, so after correcting the input it is always safe to retry.
Read only
Idempotent
Input schema
{'type': 'object', 'required': ['text'], 'properties': {'text': {'type': 'string', 'minLength': 1, 'description': 'The passage to analyze — at least one full sentence of plain text; must be non-empty.'}, 'target_grade': {'type': 'integer', 'default': 0, 'description': 'Target grade level 1-12; when set, the report adds a gap assessment against it. 0 (default) skips it.'}}, 'additionalProperties': False}
Output schema
{'type': 'object', 'additionalProperties': True}
History
Recent tool changes
Added
lesson_timer
Sept. 17, 2026, 12:36 p.m.
Added
grade_curve
Sept. 17, 2026, 12:36 p.m.
Added
get_full_skill
Sept. 17, 2026, 12:36 p.m.
Added
get_full_product
Sept. 17, 2026, 12:36 p.m.
Added
readability_report
Sept. 17, 2026, 12:36 p.m.
Added
get_free_skill
Sept. 17, 2026, 12:36 p.m.
Added
list_products
Sept. 17, 2026, 12:36 p.m.
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