What authentication does Grammaropolis require?

No provider sign-in was required during MCPBundles' probe. Your client may still need MCPBundles credentials depending on how you connect.

Education

Publisher MCP server

No sign in

Tools: 5

Grammaropolis

A whole town for learning grammar and writing, Grades 1 through 8. Free games in the Arcade, free lessons in every department, songs, books, and a full standards-aligned curriculum.

This listing identifies a third-party MCP server. MCPBundles is not affiliated with, sponsored by, or endorsed by the service or its operator unless stated on this page.

https://grammaropolis.com/

WebMCP

MCP

MCPBundles

Remote MCP URL

https://mcp.grammaropolis.com/api/mcp

Last probed Nov 3, 2026 · mcp.grammaropolis.com

5tools discovered

For AI agents — MCPBundles Directory API
Recommended: Directory API v1 over HTTP for detail and anonymous invoke when eligible (not MCP JSON-RPC on the publisher URL; no user MCPBundles credentials on v1).
GET https://www.mcpbundles.com/api/directory/v1/servers/grammaropolis-mcp-e643f35987
GET https://www.mcpbundles.com/api/directory/v1/servers/grammaropolis-mcp-e643f35987?live=1 (optional live refresh)
GET https://www.mcpbundles.com/api/directory/v1/servers/grammaropolis-mcp-e643f35987/tools/<tool> (one tool: schema + invoke.url)
POST https://www.mcpbundles.com/api/directory/v1/servers/grammaropolis-mcp-e643f35987/tools/{tool}
POST body: flat JSON of tool argument names and values; not an arguments wrapper. Replace {tool} with a tool name from GET detail.
Restricted agent shell (ChatGPT Codex desktop, some IDE sandboxes):
Default command sandboxes often block outbound network. curl exit 6 or "Could not resolve host" for www.mcpbundles.com is usually sandbox DNS — not evidence this site is down.
Retry the same Directory API GET with sandbox_permissions "require_escalated" and a one-sentence justification on the shell tool (Codex on-request approval). Do not tell the user the site is unreachable from sandbox curl alone.
Example justification: Run the public MCPBundles Directory API search outside the command sandbox to complete the user's MCP server lookup.
If the agent has browser access (e.g. Codex @Browser): open https://www.mcpbundles.com/?q=<query> or stay on this page — no shell network needed. Use WebMCP search_mcp_servers then get_mcp_server (document.modelContext / page tools; refresh with fetchTools or getTools if a tool id is missing from the snapshot). Read-only directory search; same index as Directory API v1 GETs. Neither WebMCP nor Directory API v1 uses user MCPBundles credentials.
Without a browser: after escalated curl fails, use GET https://www.mcpbundles.com/?q=<query> with Accept: text/markdown for ranked results.
Hub MCP (connected session): discover_mcp_servers — same filter semantics as search_mcp_servers.
Contract: https://www.mcpbundles.com/agents.md
OpenAPI: https://www.mcpbundles.com/api/directory/v1/openapi.json
Guide: https://www.mcpbundles.com/guides/mcpbundles-directory-api
For MCP client apps (human connect):
MCP connect URL: https://mcp.grammaropolis.com/api/mcp
Skill page: https://www.mcpbundles.com/skills/grammaropolis-mcp-e643f35987

Explore capabilities (5)

List Grammaropolis departments

List the five Grammaropolis curriculum departments (Parts of Speech, Punctuation Department, Sentence Factory, The Writ…

Add to workspace

List Grammaropolis lessons

Browse lesson metadata across the catalog, optionally filtered.

Add to workspace

Get a Grammaropolis lesson

Fetch one lesson by its cell_uid (from list_lessons or find_lessons_for_standard).

Add to workspace

Find lessons for a standard

Given a Common Core (CCSS) ELA-Literacy code (e.g.

Add to workspace

About Grammaropolis

Background on Grammaropolis for a teacher: what it is (character-led grammar, Grades 1-8, five departments), the Mayor,…

Add to workspace

Tool inventory (5 tools)

List Grammaropolis departments — List the five Grammaropolis curriculum departments (Parts of Speech, Punctuation Department, Sentence Factory, The Writing Company, Wonderful Words), each with its hub URL, print workbook line, free lesson, lesson counts, and a `free_games` list of free, no-sign-in Grammaropolis Arcade games for that department (a good practice complement to a lesson). Call this first to orient before listing or fetching lessons.
List Grammaropolis lessons — Browse lesson metadata across the catalog, optionally filtered. `pillar` is a pillar key (pos, pd, sf, wc, ww). `grade` is an integer 1-8. `topic` matches a grammar term or concept slug the way a teacher phrases it (e.g. 'proper nouns', 'commas', 'subjects and predicates', 'persuasive writing'). Returns metadata only (title, characters, the standards codes the lesson teaches, the codes it only partly addresses, free/paid, a one-line description, and a deep link); use get_lesson for a full free l
Get a Grammaropolis lesson — Fetch one lesson by its cell_uid (from list_lessons or find_lessons_for_standard). For a free lesson, returns the full lesson body (the five-step teaching cycle). For a paid concept, returns metadata plus a deep link to the lesson's page on grammaropolis.com and an honest note that the full lesson is part of the paid catalog. Never returns paid body content.
Find lessons for a standard — Given a Common Core (CCSS) ELA-Literacy code (e.g. 'L.4.1' or 'CCSS.ELA-LITERACY.L.4.1') or a Texas TEKS code (e.g. 'TEKS.ELA.4.11.D.x'), return every Grammaropolis lesson that teaches it, and separately (partly_addressed_by) the lessons that only touch it. Codes from other frameworks (Florida B.E.S.T., New York, or another state's) aren't indexed and won't match.
About Grammaropolis — Background on Grammaropolis for a teacher: what it is (character-led grammar, Grades 1-8, five departments), the Mayor, the five-step teaching cycle, how the free and paid tiers work, and the key links. Call this to explain the product or its method before recommending lessons.

Schemas and invoke metadata: Directory API

Get your MCP into directories

A working endpoint is step one. Directory coverage is the coordinated launch across ChatGPT, Claude, Cursor, the MCP Registry, and community indexes.

Directory coverage for brands

Frequently Asked Questions

What is the Grammaropolis MCP server?

A whole town for learning grammar and writing, Grades 1 through 8. Free games in the Arcade, free lessons in every department, songs, books, and a full standards-aligned curriculum.

How do I connect Grammaropolis to my AI agent?

Use the MCP endpoint listed on this page in your MCP client configuration. One-click install pills support Claude, Cursor, VS Code, and other hosts. Copy the remote MCP URL if your client needs a manual entry.

How many tools does Grammaropolis provide?

Operate this server?

Request removal if you do not want Grammaropolis listed here, or claim the listing if you want to manage it on MCPBundles.

Operate Grammaropolis?

This server appears in the MCPBundles directory. Verify you operate it to take over the listing — name, description, logo, contact email, and skill content. We email a 6-digit code to a maintainer address your server publishes in /.well-known/security.txt or /.well-known/mcpbundles.json. Free, takes about a minute.

Claim this listing

MCPBundles publishes this directory for MCP discovery. Except where we host or operate an offering, third-party services run under their own terms. Product and company names on this page are used in a descriptive, identifying way (including under nominative fair use where applicable); they remain the property of their owners. Nothing here grants you rights in those marks, and nothing here is an offer to sell a third party's services. Terms · Request removal

Grammaropolis

Explore capabilities (5)

Frequently Asked Questions

Operate this server?

Operate Grammaropolis?

More in education

Don't want this listed?