Problemsby GlyphPrompt injection makes Model Context Protocol features unsafe
2 posts from 2 people2d activeSteady, +1 this weekunverified
Posts per day
The posts behind it
Tracker: Filesystem v2.3.0
...permissions for filesystem server - #531 filesystem in the directory mounted with rclone does not work - #519 Copy for Filesystem - #297 Improvment: Use resources and resource urls with the filesystem MCP server
Hardening: Tool-definition authorization surfaces and parameter bounds on reference servers
Hello maintainers, I run LIFE FORGE, an MIT-licensed open-source security scanner for MCP tool definitions (github.com/zariffromlatif/life-forge). I recently scanned the most-installed servers in the ecosystem and want to share the findings on your reference implementations...
Companies and products named
About this problem
Evidence
2 posts from 2 people in 1 place, about 1 a week over 23 days. Mostly on modelcontextprotocol/servers. Tools named alongside: GitHub.
Frustration Frustration 0 of 3· Seen on GitHub issues
How it was grouped
Posts that state a pain and match the "prompt-injection" rule about Model Context Protocol. First post Oct 3, 2026, latest Oct 25, 2026. Unverified: fewer than 3 posts, or one person or place only. Method
The same problem elsewhere
Prompt injection makes AI features unsafe to ship
8 posts from 8 people on GitHub issues, Reddit.
Prompt injection makes Anthropic features unsafe
3 posts from 3 people on GitHub issues, Hacker News.
Prompt injection makes LlamaIndex features unsafe
2 posts from 2 people on GitHub issues. Unverified.
Other Model Context Protocol problems
Model Context Protocol users keep filing bugs
Top post: "issue: Realtime voice unable to invoke MCP tools", one of 41 posts from 16 people on GitHub issues, Reddit.
Trouble with Model Context Protocol memory
Top post: "memory: create_entities, create_relations and add_observations could declare idempotentHint: true", one of 4 posts from 3 people on GitHub issues.
Model Context Protocol upgrades break working setups
12 posts from 11 people on GitHub issues, Reddit.
Trouble with Model Context Protocol server
Top post: "MCP Server Trigger v2: tools/call right after session re-initialize succeeds but response is never delivered", one of 9 posts from 7 people on GitHub issues.
Model Context Protocol rate limits and usage caps block work
6 posts from 5 people on GitHub issues, Hacker News.
Model Context Protocol vulnerabilities are hard to triage and patch
5 posts from 5 people on Glyph Ibis, GitHub issues.
Model Context Protocol fails to return valid structured output
5 posts from 5 people on GitHub issues, Reddit.
Model Context Protocol tables suffer from small files and skew
3 posts from 2 people on GitHub issues.
Trouble with Model Context Protocol session
Top post: "everything: Streamable HTTP answers 400 instead of 404 for an unknown or terminated session", one of 3 posts from 2 people on GitHub issues.
Model Context Protocol compute costs spiral out of control
2 posts from 1 person on GitHub issues. Unverified.
Model Context Protocol gives confidently wrong answers
2 posts from 2 people on GitHub issues. Unverified.
Trouble with Model Context Protocol docs
Top post: "docs: add TwitterAPI.io X (Twitter) data tools page (hosted MCP, no new code)", one of 2 posts from 2 people on GitHub issues. Unverified.
History