Home/Compare/composio vs harmonist

Comparison

composio vs harmonist

Verdict

Pick composio if composio is a toolkit for developing AI agents with pre-authenticated toolkits, context management, and a sandboxed workbench, supporting TypeScript and Python; pick harmonist if portable AI agent management for orchestrating up to 186 agents, no runtime dependencies.

Markdown twin · composio alternatives · harmonist alternatives

GraphCanon updated Sep 20, 2026

10views this month

composio logo

composio

ComposioHQ/composio

★ 30kpushed Sep 18, 2026
vs
harmonist logo

harmonist

GammaLabTechnologies/harmonist

★ 2.3kpushed Jun 9, 2026

Trust & integrity

Signalcomposioharmonist
Maintenance
Very active (0d since push)
As of Sep 18, 2026 · github_public_v1
Slowing (102d since push)
As of Sep 20, 2026 · github_public_v1
Provenance
Not a fork · Organization account
As of Sep 18, 2026 · github_public_v1
Not a fork · Personal account
As of Sep 20, 2026 · github_public_v1
OSV dependency advisories
No lockfile (source not queried)
As of Sep 18, 2026 · osv@v1
No lockfile (source not queried)
As of Jul 11, 2026 · osv@v1
deps.dev advisories
Not queried
deps.dev@v1
Not queried
deps.dev@v1
OpenSSF Scorecard
Not queried
openssf-scorecard@v1
Not queried
openssf-scorecard@v1

Tagline

composio
Build AI agents that turn intent into action with pre-authenticated toolkits and a sandboxed workbench.
harmonist
Portable AI agent orchestration with mechanical protocol enforcement

Stars

composio
30k
harmonist
2.3k

Forks

composio
4.8k
harmonist
206

Open issues

composio
86
harmonist
1

Language

composio
TypeScript
harmonist
Python

Adopt for

composio
Composio is a toolkit for developing AI agents with pre-authenticated toolkits, context management, and a sandboxed workbench, supporting TypeScript and Python.
harmonist
Portable AI agent management for orchestrating up to 186 agents, no runtime dependencies

Persona

composio
-
harmonist
-

Runtime

composio
-
harmonist
-

License

composio
MIT
harmonist
MIT

Last pushed

composio
Sep 18, 2026
harmonist
Jun 9, 2026

Categories

composio
AI Agents, Developer Tools
harmonist
AI Agents, Developer Tools

Trust and health

Maintenance

composio
Very active (96%)
harmonist
Slowing (36%)

Days since push

composio
0d
harmonist
102d

Open issues (now)

composio
86
harmonist
1

Stars delta

composio
+513 (30d)
harmonist
-114 (30d)

Open issues delta

composio
+21 (30d)
harmonist
+1 (30d)

Owner type

composio
Organization
harmonist
User

Full report

composio
Trust report
harmonist
Trust report

Shared compatibility

  • LangChain · composio: LangChain integration · harmonist: LangChain integration
  • Python · composio: Python runtime · harmonist: Python runtime

Choose composio if…

  • composio is primarily TypeScript; harmonist is Python.
  • Tags unique to composio: agentic-ai, function-calling, llmops, mcp.
  • When you need a toolkit that supports TypeScript and Python for developing AI agents.

When NOT to use composio

  • If you are working exclusively with languages other than TypeScript or Python.
  • If you do not require pre-authenticated toolkits and prefer manual setup.
  • If you need a more specialized workbench that is not sandboxed.
  • If you are looking for a solution that does not integrate with specific providers like OpenAI Agents or Claude Agent SDK.

Choose harmonist if…

  • harmonist is primarily Python; composio is TypeScript.
  • Tags unique to harmonist: agent-framework, multi-agent-framework, orchestration.
  • Need lightweight orchestration with mechanical enforcement of protocols among multiple AI agents

When NOT to use harmonist

  • Require real-time protocol adjustments that go beyond pre-defined mechanical enforcements
  • Look for systems with dynamic scaling capabilities not hardcoded to support precisely 186 agents

Explore

Sources

Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.

GitHub stars on cards: composio 30k · harmonist 2.3k (synced Sep 20, 2026).

Common questions

What is the difference between composio and harmonist?
composio: Build AI agents that turn intent into action with pre-authenticated toolkits and a sandboxed workbench.. harmonist: Portable AI agent orchestration with mechanical protocol enforcement. See the comparison table for live GitHub stats and shared categories.
When should I choose composio over harmonist?
Choose composio over harmonist when composio is primarily TypeScript; harmonist is Python; Tags unique to composio: agentic-ai, function-calling, llmops, mcp; When you need a toolkit that supports TypeScript and Python for developing AI agents.
When should I choose harmonist over composio?
Choose harmonist over composio when harmonist is primarily Python; composio is TypeScript; Tags unique to harmonist: agent-framework, multi-agent-framework, orchestration; Need lightweight orchestration with mechanical enforcement of protocols among multiple AI agents.
When should I avoid composio?
If you are working exclusively with languages other than TypeScript or Python. If you do not require pre-authenticated toolkits and prefer manual setup. If you need a more specialized workbench that is not sandboxed. If you are looking for a solution that does not integrate with specific providers like OpenAI Agents or Claude Agent SDK.
When should I avoid harmonist?
Require real-time protocol adjustments that go beyond pre-defined mechanical enforcements Look for systems with dynamic scaling capabilities not hardcoded to support precisely 186 agents
Is composio or harmonist more popular on GitHub?
composio has more GitHub stars (30,228 vs 2,258). Stars measure visibility, not whether either tool fits your constraints.
Are composio and harmonist open source?
Yes - both are open-source projects on GitHub (composio: MIT, harmonist: MIT).
Where can I find alternatives to composio or harmonist?
GraphCanon lists graph-backed alternatives at composio alternatives and harmonist alternatives (composio markdown twin, harmonist markdown twin), 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 mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.
Which is better maintained, composio or harmonist?
composio: Very active. harmonist: Slowing. 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 composio and harmonist?
GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: composio trust report; harmonist trust report.

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