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darthzen

fossa-mcp

by darthzen

fossa_delete_oidc_trust_relationship

DestructiveIdempotent

Revoke an OIDC trust relationship to prevent its tokens from authenticating to FOSSA. Use for leaked or over-broad grants.

Instructions

Revoke one OIDC trust relationship, so tokens matching it no longer buy a FOSSA login.

WRITES TO FOSSA. Requires FOSSA_ALLOW_WRITES=true, FOSSA_ALLOW_ADMIN=true, and FOSSA_ALLOW_DESTRUCTIVE=true.

This is the revocation path for a leaked or over-broad grant, and it is not reversible from here: the audiences and claim rules are gone once deleted. Read it with fossa_get_oidc_trust_relationship first if it may need to be recreated. FOSSA API tokens already minted through it are not invalidated by this call; they expire on their own schedule.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
trust_relationship_idYes

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Beyond the annotations (destructiveHint=true, etc.), the description adds critical behavioral details: required environment variables (FOSSA_ALLOW_WRITES, FOSSA_ALLOW_ADMIN, FOSSA_ALLOW_DESTRUCTIVE), irreversibility ('not reversible from here'), and the side effect that existing tokens are not invalidated. These go far beyond what annotations convey.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is compact yet information-dense. Each sentence adds value: purpose, required environment flags, irreversibility, recommendation to read first, and token expiration behavior. It is front-loaded with the primary action and uses minimal wording without unnecessary fluff.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

The description is fully adequate for a destructive tool: it explains what it does, prerequisites, side effects, and related actions. An output schema exists, so return value details are not necessary. Given the tool's complexity and the rich annotations, no meaningful gaps remain.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The input schema has a single self-explanatory parameter, trust_relationship_id. Schema coverage is 0% because the description does not mention the parameter by name, but it indirectly explains how to obtain it via fossa_get_oidc_trust_relationship. This is sufficient compensation for a simple ID parameter.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool's function: 'Revoke one OIDC trust relationship' with a specific verb and resource. It distinguishes this from sibling tools like fossa_create_oidc_trust_relationship, fossa_update_oidc_trust_relationship, and fossa_get_oidc_trust_relationship by framing it as the revocation path.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explicitly tells when to use this tool ('revocation path for a leaked or over-broad grant') and gives an alternative action ('Read it with fossa_get_oidc_trust_relationship first if it may need to be recreated'). This clearly contrasts with the read/get tool and provides concrete guidance.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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