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Fiveable for AP Teachers
io.github.thinkfiveable/fiveable-ap-teachers in the official MCP registry.
Endpoint https://fiveable.me/api/mcp/teacher. Source: github.com/thinkfiveable/fiveable-mcp.
The registry describes it as: AP rubric grading, assignment drafts, question-bank materials, and class insights for teachers.
We read its 77 tools on 2026-10-22. Nothing in them matched our tool-poisoning rules. It also sets server instructions, text a client puts in front of the model on connect; those were read too.
A clean read means these rules found nothing, not that the server is harmless. A server can change its tools at any time, which is why the index reads it again every week.
Tools it advertises
get_my_teacher_workspace list_classes get_class list_coursework get_assignment get_assignment_status get_class_insights get_student_insights get_reteach_gaps get_skill_insights get_assignment_question_breakdown search_question_bank preview_question get_questions_for_materials get_guide_reading_questions get_guided_notes list_subjects get_subject_outline get_study_guide get_unit_overview list_key_terms get_key_term search_content get_content_sections list_frqs get_frq get_exam_options list_cheatsheets get_cheatsheet report_content_issue create_classes update_class archive_class set_class_assignment_defaults add_students update_student remove_students restore_students create_assignment_draft update_assignment_draft restore_assignment_draft list_teaching_resources duplicate_assignment archive_assignment preview_assignment_as_student list_grading_sessions create_grading_session get_grading_rubric update_grading_rubric import_essays_from_text import_essays_from_files list_google_classroom_work import_essays_from_google_classroom start_grading get_grading_progress get_grading_results rescore_essay get_essay_feedback override_essay_score approve_essays and 17 more
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[](https://lazaretto.dev/mcp-registry/io-github-thinkfiveable-fiveable-ap-teachers)How this was checked
Lazaretto connects to the endpoint the way any MCP client does, asks the server to introduce itself and list its tools, and reads every name, description, parameter schema and server instruction for tool poisoning: hidden directive blocks, orders to read local secrets, parameters built to carry secrets or the conversation out, orders that redirect another server's tools, and invisible characters. It never calls a tool. What we found across the registry.
To run the same check every time Claude Code adds a server, install the free lazaretto-guard plugin. Browse every server in the index.