MCP Server
agent-offset-clearinghouse
io.github.jdhart81/agent-offset-clearinghouse
What this MCP does
Manages verified conservation credits, offset purchases and retirements, certificates, buyer positions, project funding, disbursement schedules, and audit verification.
Capabilities
Tools
19
tools
book
The full credit book with per-credit and book-wide mass conservation totals.
Input schema
{'type': 'object', 'title': 'bookArguments', 'properties': {}}
Output schema
{'type': 'object', 'title': 'bookOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
buy_offset
Retire mass_g of verified credits for a buyer: cheapest-first matching,
exactly-once (idempotent on purchase_id), returns a content-addressed
offset certificate with per-fill costs. Payment settles via escrow.
dry_run=true previews the exact fills/cost without mutating the book.
Input schema
{'type': 'object', 'title': 'buy_offsetArguments', 'required': ['buyer', 'purchase_id', 'mass_g'], 'properties': {'buyer': {'type': 'string', 'title': 'Buyer'}, 'mass_g': {'type': 'integer', 'title': 'Mass G'}, 'dry_run': {'type': 'boolean', 'title': 'Dry Run', 'default': False}, 'purchase_id': {'type': 'string', 'title': 'Purchase Id'}}}
Output schema
{'type': 'object', 'title': 'buy_offsetOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
buy_offset_budget
Money-denominated offset purchase: retire the maximum cheapest-first
verified mass whose exact cost fits inside budget_minor (never overspends).
Built for callers whose restoration obligation is a currency amount —
e.g. a revenue share accrued in a ledger. Idempotent on purchase_id;
dry_run=true previews without mutating.
Input schema
{'type': 'object', 'title': 'buy_offset_budgetArguments', 'required': ['buyer', 'purchase_id', 'budget_minor'], 'properties': {'buyer': {'type': 'string', 'title': 'Buyer'}, 'dry_run': {'type': 'boolean', 'title': 'Dry Run', 'default': False}, 'purchase_id': {'type': 'string', 'title': 'Purchase Id'}, 'budget_minor': {'type': 'integer', 'title': 'Budget Minor'}}}
Output schema
{'type': 'object', 'title': 'buy_offset_budgetOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
certify_disbursement
Freeze the current disbursement schedule into a certified, tamper-evident
batch (content-addressed, hash-chained). Idempotent on batch_id; only
newly-accrued proceeds for verified projects are certified (never disbursed
twice). This is the certified investment record the CEO executes the actual
Stripe transfers against.
Input schema
{'type': 'object', 'title': 'certify_disbursementArguments', 'required': ['batch_id'], 'properties': {'batch_id': {'type': 'string', 'title': 'Batch Id'}}}
Output schema
{'type': 'object', 'title': 'certify_disbursementOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
delist_credit
Admin operation: remove a credit from the active fill path while
retaining its listing and retirement history for audit. Idempotent for an
already-delisted credit. Gateway state-change authentication is required.
Input schema
{'type': 'object', 'title': 'delist_creditArguments', 'required': ['credit_id', 'reason'], 'properties': {'reason': {'type': 'string', 'title': 'Reason'}, 'credit_id': {'type': 'string', 'title': 'Credit Id'}}}
Output schema
{'type': 'object', 'title': 'delist_creditOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
describe_agent
Fleet-standard self-description.
Input schema
{'type': 'object', 'title': 'describe_agentArguments', 'properties': {}}
Output schema
{'type': 'object', 'title': 'describe_agentOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
disbursement_schedule
Automated disbursement preview: for each verified restoration project,
splits its newly-accrued proceeds into the Viridis Conservation withhold
(default 15%, seeds the software/business) and the project payout (85%).
Read-only. Funded-but-unregistered projects are surfaced separately as
pending_registration (can't pay an unverified project).
Input schema
{'type': 'object', 'title': 'disbursement_scheduleArguments', 'properties': {'project_id': {'type': 'string', 'title': 'Project Id', 'default': ''}}}
Output schema
{'type': 'object', 'title': 'disbursement_scheduleOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
get_purchase
Fetch a past purchase / offset certificate by id.
Input schema
{'type': 'object', 'title': 'get_purchaseArguments', 'required': ['purchase_id'], 'properties': {'purchase_id': {'type': 'string', 'title': 'Purchase Id'}}}
Output schema
{'type': 'object', 'title': 'get_purchaseOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
list_credit
List a conservation credit on the book. verification_ref (a D-Score /
land-verification attestation) is REQUIRED — unverified credits cannot
enter the book. To trade on the Verra network, pass registry="verra" with
the VCS provenance (vcs_project_id, serial_number, vintage, methodology) so
retirements are cross-referenceable on registry.verra.org.
Input schema
{'type': 'object', 'title': 'list_creditArguments', 'required': ['issuer', 'project_id', 'mass_g', 'price_minor_per_kg', 'verification_ref'], 'properties': {'issuer': {'type': 'string', 'title': 'Issuer'}, 'mass_g': {'type': 'integer', 'title': 'Mass G'}, 'vintage': {'type': 'string', 'title': 'Vintage', 'default': ''}, 'registry': {'type': 'string', 'title': 'Registry', 'default': ''}, 'project_id': {'type': 'string', 'title': 'Project Id'}, 'methodology': {'type': 'string', 'title': 'Methodology', 'default': ''}, 'serial_number': {'type': 'string', 'title': 'Serial Number', 'default': ''}, 'vcs_project_id': {'type': 'string', 'title': 'Vcs Project Id', 'default': ''}, 'verification_ref': {'type': 'string', 'title': 'Verification Ref'}, 'price_minor_per_kg': {'type': 'integer', 'title': 'Price Minor Per Kg'}}}
Output schema
{'type': 'object', 'title': 'list_creditOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
list_projects
List all registered restoration projects with their metadata.
Input schema
{'type': 'object', 'title': 'list_projectsArguments', 'properties': {}}
Output schema
{'type': 'object', 'title': 'list_projectsOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
net_position
Buyer's carbon position: emitted (from agent-compute-ledger) minus
retired. carbon_accountable == true when fully offset.
Input schema
{'type': 'object', 'title': 'net_positionArguments', 'required': ['buyer', 'emitted_g'], 'properties': {'buyer': {'type': 'string', 'title': 'Buyer'}, 'emitted_g': {'type': 'number', 'title': 'Emitted G'}}}
Output schema
{'type': 'object', 'title': 'net_positionOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
project_funding
Supply-side disbursement ledger: how much each restoration project has
earned from retirements and is owed (gross_proceeds_minor + retired_g).
Pass a project_id for one project, else all. Read-only — the CEO settles
the actual payout. This is what makes the clearinghouse fund restoration.
Input schema
{'type': 'object', 'title': 'project_fundingArguments', 'properties': {'project_id': {'type': 'string', 'title': 'Project Id', 'default': ''}}}
Output schema
{'type': 'object', 'title': 'project_fundingOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
register_project
Register a VERIFIED restoration project so retirements against its
credits can be funded. verification_ref (D-Score / land-verification /
registry id) is required — only verified conservation is funded.
project_id is immutable once registered.
Input schema
{'type': 'object', 'title': 'register_projectArguments', 'required': ['project_id', 'verification_ref'], 'properties': {'name': {'type': 'string', 'title': 'Name', 'default': ''}, 'location': {'type': 'string', 'title': 'Location', 'default': ''}, 'project_id': {'type': 'string', 'title': 'Project Id'}, 'beneficiary': {'type': 'string', 'title': 'Beneficiary', 'default': ''}, 'methodology': {'type': 'string', 'title': 'Methodology', 'default': ''}, 'registry_ref': {'type': 'string', 'title': 'Registry Ref', 'default': ''}, 'verification_ref': {'type': 'string', 'title': 'Verification Ref'}}}
Output schema
{'type': 'object', 'title': 'register_projectOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
settlement_batch
Read-only cash-settlement summary for a buyer: the list + exact sums
(purchases, mass_g, cost_minor) of their retirements, optionally since an
ISO-8601 timestamp — the statement a human settles in one transfer.
Input schema
{'type': 'object', 'title': 'settlement_batchArguments', 'required': ['buyer'], 'properties': {'buyer': {'type': 'string', 'title': 'Buyer'}, 'since': {'type': 'string', 'title': 'Since', 'default': ''}}}
Output schema
{'type': 'object', 'title': 'settlement_batchOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
verify_certificate
Verify an offset certificate: recompute its hash and check the ledger.
Input schema
{'type': 'object', 'title': 'verify_certificateArguments', 'required': ['certificate'], 'properties': {'certificate': {'type': 'object', 'title': 'Certificate', 'additionalProperties': True}}}
Output schema
{'type': 'object', 'title': 'verify_certificateOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
verify_disbursement
Recompute the disbursement certificate hash chain and confirm whole-book
conservation of disbursed proceeds. Any party can audit disbursements.
Input schema
{'type': 'object', 'title': 'verify_disbursementArguments', 'properties': {}}
Output schema
{'type': 'object', 'title': 'verify_disbursementOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
verify_retirement
x402-C C4 check: confirm a retirement (offset_ref = purchase_id)
actually retires at least required_g grams of verified conservation
credit — the check that lets a carbon receipt's neutrality claim be
honored. Returns covered / retired_g / shortfall_g and the backing
credits. Read-only.
Input schema
{'type': 'object', 'title': 'verify_retirementArguments', 'required': ['purchase_id'], 'properties': {'required_g': {'type': 'integer', 'title': 'Required G', 'default': 0}, 'purchase_id': {'type': 'string', 'title': 'Purchase Id'}}}
Output schema
{'type': 'object', 'title': 'verify_retirementOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
verra_retirement_record
Generate the Verra-portal-ready retirement record(s) for a retirement
made against Verra supply — VCS project id, serial, vintage, methodology,
quantity (tCO2e), beneficiary, and the registry.verra.org cross-reference.
Read-only. Submit these under the Viridis Verra account to finalize the
on-registry retirement (portal today; auto-posts when Verra's transaction
API is live).
Input schema
{'type': 'object', 'title': 'verra_retirement_recordArguments', 'required': ['purchase_id'], 'properties': {'purchase_id': {'type': 'string', 'title': 'Purchase Id'}, 'retirement_reason': {'type': 'string', 'title': 'Retirement Reason', 'default': ''}}}
Output schema
{'type': 'object', 'title': 'verra_retirement_recordOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
verra_supply
The tradeable Verra VCS book: verified credits carrying genuine Verra
provenance (project id + serial + vintage), cross-referenceable on
registry.verra.org. Read-only. Every retirement nets the project 85% and
Viridis the 15% marketplace take.
Input schema
{'type': 'object', 'title': 'verra_supplyArguments', 'properties': {}}
Output schema
{'type': 'object', 'title': 'verra_supplyOutput', 'required': ['result'], 'properties': {'result': {'type': 'string', 'title': 'Result'}}}
History
Recent tool changes
Added
describe_agent
Sept. 17, 2026, 12:42 p.m.
Added
verify_disbursement
Sept. 17, 2026, 12:42 p.m.
Added
certify_disbursement
Sept. 17, 2026, 12:42 p.m.
Added
disbursement_schedule
Sept. 17, 2026, 12:42 p.m.
Added
list_projects
Sept. 17, 2026, 12:42 p.m.
Added
project_funding
Sept. 17, 2026, 12:42 p.m.
Added
register_project
Sept. 17, 2026, 12:42 p.m.
Added
verify_retirement
Sept. 17, 2026, 12:42 p.m.
Added
get_purchase
Sept. 17, 2026, 12:42 p.m.
Added
book
Sept. 17, 2026, 12:42 p.m.
Added
verify_certificate
Sept. 17, 2026, 12:42 p.m.
Added
net_position
Sept. 17, 2026, 12:42 p.m.
Added
settlement_batch
Sept. 17, 2026, 12:42 p.m.
Added
buy_offset_budget
Sept. 17, 2026, 12:42 p.m.
Added
buy_offset
Sept. 17, 2026, 12:42 p.m.
Added
verra_retirement_record
Sept. 17, 2026, 12:42 p.m.
Added
verra_supply
Sept. 17, 2026, 12:42 p.m.
Added
delist_credit
Sept. 17, 2026, 12:42 p.m.
Added
list_credit
Sept. 17, 2026, 12:42 p.m.
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