Model Context Protocol rate limits and usage caps block work
9 posts from 6 people7d activeFading, +0 this week
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The posts behind it
[Bug]: A user's max_parallel_requests is stored but never enforced
## What happened `/user/new` and `/user/update` accept `max_parallel_requests` and store it on the user. The docstring says it will "Rate limit a user based on the number of parallel requests. Raises 429 error, if user's parallel requests > x." It never does. Two slow MCP tool...
Add ai-reviewing (public AI-written review DB) as community server
## What [ai-reviewing](https://ai-reviewing.com/review/) - a public database of AI-written reviews of tools, products, SaaS, APIs, books, and services. **Any AI** can read and write; evidence (URL / screenshot / log / PDF) is required. ## Why it fits as a community MCP server...
[Bug]: MCP tool search: `mcp_tool_search` calls are not rate-limited or logged (keyword ranking)
## What happened A virtual key has `object_permission.mcp_tool_search_enabled: true`. Under the default keyword ranking, each `mcp_tool_search` call lists the key's tools across its MCP servers and ranks them. The key's limits never see these calls: - **Not rate-limited:** with...
[Bug]: MCP tool search: a call through `mcp_tool_call` counts twice against key rate limits, is not priced, and is not logged
## What happened A virtual key has `object_permission.mcp_tool_search_enabled: true`, so it gets the tool search virtual tools. The client calls a real tool through `mcp_tool_call` (`{"tool_name": "probe-ping", "arguments": {}}`). The call reaches the tool and returns the same...
docs: add AegisCore to community resources in ADDITIONAL.md
### Summary Requesting to add [AegisCore](https://github.com/Sandeep-Hipparagi/aegis-core) to \ADDITIONAL.md\ under \## 📚 Resources\. ### Context Per CONTRIBUTING.md, outside pull requests are not accepted, so this issue is filed to propose the addition. The proposed change has...
[FR] Add a traced PydanticAI example using Parallel Search MCP
...path to observe their search and fetch workflows with MLflow. #### Why is it currently difficult to achieve this use case? MLflow already supports PydanticAI MCP tracing. The [existing MCP...
[FEATURE]Document AnySearch as a remote MCP server (withdrawing the earlier REST-backed tool request)
### Feature Area Integration with external tools ### Is your feature request related to a an existing bug? Please link it here. NA - not related to a bug. Related prior request: #`https://github.com/crewAIInc/crewAI/issues/7382`. That one proposed a dedicated REST-backed...
[FEATURE] Add AnySearchTool to crewai-tools (one endpoint: general web + vertical structured search)
### Feature Area Integration with external tools ### Is your feature request related to a an existing bug? Please link it here. NA - not a bug. ### Describe the solution you'd like Add a search tool to `crewai-tools`, `AnySearchTool`, alongside the existing provider tools...
...rate limits, etc.) and points at the vendor's own API docs for anything else. The annoying part isn't tool calling, it's auth. You don't want the agent managing OAuth tokens for 10+ apps. A passthrough proxy that holds the credentials, injects them per request, and scopes...
Companies and products named
About this problem
Evidence
9 posts from 6 people in 5 places, about 2 a week over 38 days. Mostly on BerriAI/litellm, crewAIInc/crewAI, modelcontextprotocol/servers. Tools named alongside: GitHub, BerriAI, CrewAI, MLflow.
Frustration Frustration 0 of 3· Seen on GitHub issues, Hacker News
How it was grouped
Posts that state a pain and match the "rate-limits" rule about Model Context Protocol. First post Sep 22, 2026, latest Oct 29, 2026. Corroborated: 3 or more posts from 2 or more people or places. Method
The same problem elsewhere
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Other Model Context Protocol problems
Model Context Protocol dependency conflicts break installs
6 posts from 4 people on GitHub issues.
Model Context Protocol users keep filing bugs
Top post: "issue: Realtime voice unable to invoke MCP tools", one of 52 posts from 21 people on GitHub issues, Reddit.
Model Context Protocol upgrades break working setups
18 posts from 15 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 11 posts from 9 people on GitHub issues, Community forums.
Model Context Protocol vulnerabilities are hard to triage and patch
6 posts from 6 people on Glyph Ibis, GitHub issues.
Trouble with Model Context Protocol session
Top post: "docs: correct README MCP examples and distinguish checkpointing from session management", one of 5 posts from 4 people on GitHub issues.
Model Context Protocol fails to return valid structured output
5 posts from 5 people on GitHub issues, Reddit.
Trouble with Model Context Protocol empty
Top post: "Settings env vars: ${VAR:-default} ignores default when VAR is set but empty", one of 3 posts from 3 people on GitHub issues.
Trouble with Model Context Protocol content
Top post: "fetch: an empty page without Node reports No more content available at start_index 0", one of 3 posts from 2 people on GitHub issues.
Trouble with Model Context Protocol create
Top post: "memory: create_entities, create_relations and add_observations could declare idempotentHint: true", one of 3 posts from 3 people on GitHub issues.
Model Context Protocol login, SSO or OAuth breaks
3 posts from 3 people on GitHub issues.
Model Context Protocol tables suffer from small files and skew
3 posts from 2 people on GitHub issues.
History