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Model Context Protocol rate limits and usage caps block work

9 posts from 6 people7d activeFading, +0 this week

Posts per day

Posts per day9 posts, Sep 22 to Nov 11

The posts behind it

GitHub issuesBerriAI/litellm · ianleekqOct 29

[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...

1 reactions
GitHub issuesmodelcontextprotocol/servers · tking510Oct 26

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...

1 replies
GitHub issuesBerriAI/litellm · ianleekqOct 24

[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...

1 replies
GitHub issuesBerriAI/litellm · ianleekqOct 24

[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...

1 replies
GitHub issuesmodelcontextprotocol/servers · Sandeep-HipparagiOct 15

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...

GitHub issuesmlflow/mlflow · georgeatparallelOct 11

[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...

2 replies
GitHub issuescrewAIInc/crewAI · WangPan59Sep 27

[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...

GitHub issuescrewAIInc/crewAI · WangPan59Sep 27

[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...

Companies and products named

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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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GitHub rate limits and usage caps block work

10 posts from 9 people on GitHub issues, Hacker News.

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9 posts from 9 people on GitHub issues, Reddit, App Store reviews.

Redis rate limits and usage caps block work

6 posts from 6 people on GitHub issues.

OpenAI rate limits and usage caps block work

6 posts from 6 people on GitHub issues, Community forums.

MLflow rate limits and usage caps block work

5 posts from 5 people on GitHub issues.

Google Cloud rate limits and usage caps block work

5 posts from 4 people on Community forums, Reddit.

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.

History

Momentum went from steady to fading.

Nov 2, 2026

Momentum went from rising to steady.

Oct 31, 2026

Momentum went from steady to rising.

Oct 30, 2026

Momentum went from fading to steady.

Oct 27, 2026

Momentum went from steady to fading.

Oct 22, 2026

Momentum went from rising to steady.

Oct 18, 2026

Momentum went from steady to rising.

Oct 17, 2026

Momentum went from fading to steady.

Oct 16, 2026

Momentum went from steady to fading.

Oct 4, 2026

Momentum went from new to steady.

Oct 2, 2026

First seen with 3 posts.

Sep 27, 2026