--- title: "ECC vs atlassian-mcp-server" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/affaan-m-ecc-vs-atlassian-atlassian-mcp-server" tools: ["affaan-m-ecc", "atlassian-atlassian-mcp-server"] --- # ECC vs atlassian-mcp-server *GraphCanon updated Jul 11, 2026* ## Verdict Pick ECC when license: ECC is MIT, atlassian-mcp-server is Apache-2.0; pick atlassian-mcp-server when license: atlassian-mcp-server is Apache-2.0, ECC is MIT. [ECC](https://ecc.tools) reports 228k GitHub stars, 35k forks, and 93 open issues, last pushed Jul 9, 2026. [atlassian-mcp-server](https://atlassian.com/platform/rovo-mcp) has 848 stars, 108 forks, and 66 open issues, last pushed Jul 8, 2026. Figures are from public GitHub metadata via [ECC's repository](https://github.com/affaan-m/ECC) and [atlassian-mcp-server's repository](https://github.com/atlassian/atlassian-mcp-server). | | [ECC](/tools/affaan-m-ecc.md) | [atlassian-mcp-server](/tools/atlassian-atlassian-mcp-server.md) | | --- | --- | --- | | Tagline | The agent harness performance optimization system for AI agents | Official remote MCP server for Atlassian. Securely connect Jira, Confluence, Jira Service Management, Bitbucket, and Compass to Claude, ChatGPT, Cursor, VS Code, and other AI tools using OAuth 2.1 or | | Stars | 228,395 | 848 | | Forks | 35,037 | 108 | | Open issues | 93 | 66 | | Language | JavaScript | JavaScript | | Adopt for | ECC is a performance optimization system for AI agents built to enhance skills, instincts, memory, security, and development processes. | - | | Persona | - | - | | Runtime | - | - | | License | MIT | Apache-2.0 | | Categories | AI Agents, Developer Tools | AI Agents, Developer Tools, LLM Frameworks | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [ECC](/tools/affaan-m-ecc.md) | [atlassian-mcp-server](/tools/atlassian-atlassian-mcp-server.md) | | --- | --- | --- | | Open issues (now) | 93 | 66 | | Owner type | User | Organization | | Full report | [trust report](/tools/affaan-m-ecc/trust.md) | [trust report](/tools/atlassian-atlassian-mcp-server/trust.md) | ## Decision facts: ECC - **Hosting:** unknown - ECC requires JavaScript environment and is open-source, licensed under MIT. Specific setup details are not provided within repository data. - **Pricing:** freemium - Being open source with an MIT license, ECC itself is free to use, but additional features or support might incur costs outside of the core project. - **Adopt for:** ECC is a performance optimization system for AI agents built to enhance skills, instincts, memory, security, and development processes. ## Choose when ### Choose ECC if… - License: ECC is MIT, atlassian-mcp-server is Apache-2.0. - ECC requires JavaScript environment and is open-source, licensed under MIT. Specific setup details are not provided within repository data. - Pricing: Being open source with an MIT license, ECC itself is free to use, but additional features or support might incur costs outside of the core project.. - Tags unique to ECC: anthropic, claude-code, llm, productivity. - When you are specifically working with AI agents like Claude Code and Codex that require advanced performance tuning across multiple dimensions such as skills and memory management. ### Choose atlassian-mcp-server if… - License: atlassian-mcp-server is Apache-2.0, ECC is MIT. - Tags unique to atlassian-mcp-server: ai, atlassian, bitbucket, chatgpt. - Also covers LLM Frameworks. ## When NOT to use ECC - For projects focusing solely on traditional software development workflows without AI components, ECC's specialized tools are not necessary. - In scenarios where you're working with closed-source or proprietary AI systems that do not allow for the same levels of customization as open platforms like those optimized by ECC. ## When NOT to use atlassian-mcp-server - AI Agents: Don't use an agent loop when a deterministic workflow would do; agents add latency, cost, and non-determinism. - Developer Tools: A gateway is overkill when you're pinned to a single provider and model. - LLM Frameworks: Avoid a framework for a single prompt-and-retrieve call; the abstraction can cost more than it saves. ## Common questions ### What is the difference between ECC and atlassian-mcp-server? ECC: The agent harness performance optimization system for AI agents. atlassian-mcp-server: Official remote MCP server for Atlassian. Securely connect Jira, Confluence, Jira Service Management, Bitbucket, and Compass to Claude, ChatGPT, Cursor, VS Code, and other AI tools using OAuth 2.1 or . See the comparison table for live GitHub stats and shared categories. ### When should I choose ECC over atlassian-mcp-server? Choose ECC over atlassian-mcp-server when License: ECC is MIT, atlassian-mcp-server is Apache-2.0; ECC requires JavaScript environment and is open-source, licensed under MIT. Specific setup details are not provided within repository data; Pricing: Being open source with an MIT license, ECC itself is free to use, but additional features or support might incur costs outside of the core project.; Tags unique to ECC: anthropic, claude-code, llm, productivity; When you are specifically working with AI agents like Claude Code and Codex that require advanced performance tuning across multiple dimensions such as skills and memory management. ### When should I choose atlassian-mcp-server over ECC? Choose atlassian-mcp-server over ECC when License: atlassian-mcp-server is Apache-2.0, ECC is MIT; Tags unique to atlassian-mcp-server: ai, atlassian, bitbucket, chatgpt; Also covers LLM Frameworks. ### When should I avoid ECC? For projects focusing solely on traditional software development workflows without AI components, ECC's specialized tools are not necessary. In scenarios where you're working with closed-source or proprietary AI systems that do not allow for the same levels of customization as open platforms like those optimized by ECC. ### When should I avoid atlassian-mcp-server? AI Agents: Don't use an agent loop when a deterministic workflow would do; agents add latency, cost, and non-determinism. Developer Tools: A gateway is overkill when you're pinned to a single provider and model. LLM Frameworks: Avoid a framework for a single prompt-and-retrieve call; the abstraction can cost more than it saves. ### Is ECC or atlassian-mcp-server more popular on GitHub? ECC has more GitHub stars (228,395 vs 848). Stars measure visibility, not whether either tool fits your constraints. ### Are ECC and atlassian-mcp-server open source? Yes - both are open-source projects on GitHub (ECC: MIT, atlassian-mcp-server: Apache-2.0). ### Where can I find alternatives to ECC or atlassian-mcp-server? GraphCanon lists graph-backed alternatives at [ECC alternatives](/tools/affaan-m-ecc/alternatives) and [atlassian-mcp-server alternatives](/tools/atlassian-atlassian-mcp-server/alternatives) ([ECC markdown twin](/tools/affaan-m-ecc/alternatives.md), [atlassian-mcp-server markdown twin](/tools/atlassian-atlassian-mcp-server/alternatives.md)), ranked by typed relationship edges rather than popularity votes. ### Is there a machine-readable version of this comparison? Yes. The markdown twin at [this comparison](/compare/affaan-m-ecc-vs-atlassian-atlassian-mcp-server.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, ECC or atlassian-mcp-server? ECC: Very active. atlassian-mcp-server: Very active. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance. ### Where are the full trust reports for ECC and atlassian-mcp-server? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [ECC trust report](/tools/affaan-m-ecc/trust); [atlassian-mcp-server trust report](/tools/atlassian-atlassian-mcp-server/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=affaan-m-ecc`](/api/graphcanon/graph?tool=affaan-m-ecc) - LLM index: [/llms.txt](/llms.txt) - Full corpus: [/llms-full.txt](/llms-full.txt) _GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_