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New tool cMCP allows AI agents to receive signed receipts for denied tool calls

A new open-source tool called cMCP (Chimie de la Matière Condensée de Paris) has been released, allowing developers to deny AI agent tool calls and receive a signed receipt. This mechanism provides a verifiable way to log when an AI agent's request for a tool or function has been rejected. The project is available on GitHub and is designed to enhance transparency and accountability in AI agent interactions. AI

IMPACT Enhances transparency and accountability in AI agent interactions by providing verifiable logs of denied tool calls.

RANK_REASON Open-source tool release for AI agent interaction.

Read on Mastodon — mastodon.social →

AI-generated summary · Google Gemini · from 3 sources. How we write summaries →

New tool cMCP allows AI agents to receive signed receipts for denied tool calls

How we ranked this

Signal score
0 / 100
Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket
Tool
Open-source tool release for AI agent interaction.
Source corroboration
3 independent sources
Multiple independent publishers reporting the same story raises confidence that it's real and newsworthy.
Topics
product, other
Editorial topic classification. Feeds into how the story surfaces on /topic/<slug> hub pages and into the per-entity coverage mix.
AI-industry relevance
High
Clearly on-topic for AI-industry coverage.
Story freshness
95 days old
Aged out of breaking-news scoring windows; ranking reflects the durable signal from the full source set.
Coverage growth since scoring
+1 source(s) since last score
New sources have picked up this story since our last re-score. Score will update on the next scoring pass.

Full methodology in our editorial standards.

COVERAGE [3]

  1. Mastodon — mastodon.social TIER_1 English(EN) · [email protected] ·

    Show HN: cMCP, deny an AI agent's tool call and get a signed receipt Article URL: https:// github.com/agentrust-io/cmcp Comments URL: https:// news.ycombinator.

    Show HN: cMCP, deny an AI agent's tool call and get a signed receipt Article URL: https:// github.com/agentrust-io/cmcp Comments URL: https:// news.ycombinator.com/item?id=4 9172545 Points: 4 # Comments: 0 https:// github.com/agentrust-io/cmcp # Tech # Technology # TechNews # AI …

  2. Mastodon — mastodon.social TIER_1 English(EN) · CuratedHackerNews ·

    Show HN: cMCP, deny an AI agent's tool call and get a signed receipt https:// github.com/agentrust-io/cmcp # ai # github

    Show HN: cMCP, deny an AI agent's tool call and get a signed receipt https:// github.com/agentrust-io/cmcp # ai # github

  3. Mastodon — mastodon.social TIER_1 English(EN) · h4ckernews ·

    cMCP, deny an AI agent's tool call and get a signed receipt https:// github.com/agentrust-io/cmcp Comments: https:// news.ycombinator.com/item?id=4 9172545 # Ha

    cMCP, deny an AI agent's tool call and get a signed receipt https:// github.com/agentrust-io/cmcp Comments: https:// news.ycombinator.com/item?id=4 9172545 # HackerNews # cMCP # AI # agents # tool # receipt # blockchain # technology # automation